Daikin RXC71CV1B Manual

Daikin Klimaanlæg RXC71CV1B

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Installation Manual

R32 Split Series

3P621327-1 B

• The precautions described herein are classified as WARNING and CAUTION.

They both contain important information regarding safety. Be sure to observe all precautions without fail.

• Meaning of WARNING and CAUTION notices.

Failure to follow these instructions properly may result in personal injury or loss of life.

Failure to observe these instructions properly may result in property damage or personal injury, which

may be serious depending on the circumstances.

• The safety marks shown in this manual have the following meanings:

Be sure to follow the instructions. Be sure to establish a ground connection. Never attempt.

• After completing installation, conduct a trial operation to check for faults and explain to the customer how to operate

the air conditioner and take care of it with the aid of operation manual.

• Ask your dealer or qualiﬁ ed person to carry out installation work.

Do not attempt to install the air conditioner yourself. Improper installation may result in water leakage, electric shocks or ﬁ re.

• This appliance is not intended for use by persons, including children, with reduced physical, sensory or mental capabilities, or lack of

experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible

for their safety.

• Children should be supervised to ensure that they do not play with the appliance.

• Install the air conditioner according to the instructions given in this manual.

Incomplete installation may cause water leakage, electrical shock, or ﬁ re.

• Be sure to use only the speciﬁ ed accessories and parts for installation work.

Failure to use the speciﬁ ed parts may result in the unit falling, water leakage, electric shocks or ﬁ re.

• Install the air conditioner on a foundation strong enough to withstand the weight of the unit.

A foundation of insufﬁ cient strength may result in the equipment falling and causing injury.

• Electrical work must be performed in accordance with relevant local and national regulations and with instructions in this installation manual.

Be sure to use a dedicated power supply circuit only. Insufﬁ ciency of power circuit capacity and improper workmanship may result in electric shocks or ﬁ re.

• Be sure to use a dedicated power circuit. Never use a power supply shared by another appliance.

• Use a cable of suitable length.

Do not use tapped wires or an extension lead, as this may cause overheating, electric shocks or ﬁ re.

• Make sure that all wiring is secured, the speciﬁ ed wires are used, and that there is no strain on the terminal connections or wires.

Improper connections or securing of wires may result in abnormal heat build-up or ﬁ re.

• When wiring the power supply and connecting the wiring between the indoor and outdoor units, position the wires so that the control box lid

can be securely fastened.

Improper positioning of the control box lid may result in electric shocks, ﬁ re or overheating terminals.

• After connecting interconnecting and supply wiring, be sure to shape the cables so that they do not put undue force on the electrical covers

or panels. Install covers over the wires.

Incomplete cover installation may cause terminal overheating, electrical shocks, or ﬁ re.

• When installing or relocating the air conditioner, be sure to bleed the refrigerant circuit to ensure it is free of air, and use only the speciﬁ ed

refrigerant (R32).

The presence of air or other foreign matter in the refrigerant circuit cause abnormal pressure rise, which may result equipment damage and even injury.

• The installation height from the ﬂ oor must be over 2.3m.

• If refrigerant gas leaks during installation, ventilate the area immediately.

Toxic gas may be produced if the refrigerant comes into contact with ﬁ re.

• After completing installation, check for refrigerant gas leakage.

Toxic gas may be produced if the refrigerant gas leaks into the room and comes into contact with a source of ﬁ re, such as a fan heater, stove or cooker.

• During pump-down, stop the compressor before removing the refrigerant piping.

If the compressor is still running and the stop valve is open during pump-down, air will be sucked in when the refrigerant piping is removed, causing abnormal pressure in

refrigeration cycle, which may result equipment damage and even injury.

• During installation, attach the refrigerant piping securely before running the compressor.

If the refrigerant pipes are not attached and the stop valve is open when the compressor is run, air will be sucked in, causing abnormal pressure in the refrigeration cycle,

which may result equipment damage and even injury.

• Be sure to earth the air conditioner.

Do not earth the unit to a utility pipe, lightning conductor or telephone earth lead. Imperfect earthing may result in electric shocks.

• Be sure to install an earth leakage breaker. Failure to install an earth leakage breaker may result in electrical shocks, or ﬁ re.

Your air conditioning product is marked with this symbol. This means that electrical and electronic products shall not be mixed with unsorted household waste.

Do not try to dismantle the system yourself: the dismantling of the air conditioning system, treatment of the refrigerant, of oil and of other parts must be done by a qualified

installer in accordance with relevant local and national legislation. Air conditioners must be treated at a specialized treatment facility for re-use, recycling and recovery.

By ensuring this product is disposed of correctly, you will help to prevent potential negative consequences for the environment and human health. Please contact the installer or

local authority for more information. Batteries must be removed from the remote controller and disposed of separately in accordance with relevant local and national legislation.

• Before choosing the installation site, obtain user approval.

The indoor unit should be sited in a place where:

• The restrictions on installation specified in the indoor unit

installation drawing are met.

• Both air intake and exhaust have clear paths met.

• The unit is not in the path of direct sunlight.

• The unit is away from the sources of heat or steam.

• There is no source of machine oil vapour (this may

shorten indoor unit life).

• Cool air is circulated throughout the room.

• The unit is away from electronic ignition type fluorescent

lamps (inverter or rapid start type). As these may shorten

the remote controller range.

• The unit is at least 1 metre away from any television or

radio set (unit may cause interference with the picture or

sound).

• Install at the recommended height (more than 2.3m).

• Do not install the units at or near doorway.

• Do not operate any heating apparatus too close to the

air conditioner unit or use in room where mineral oil, oil

vapour or oil steam exist, this may cause plastic part to

melt or deform as a result of excessive heat or chemical

reaction.

• When the unit is used in kitchen, keep flour away from

going into suction of the unit.

• This unit is not suitable for factory used where cutting oil,

mist or iron powder exist or voltage fluctuates greatly.

• Do not install the units at area like hot spring or oil

refinery plant where sulphide gas exists.

• Ensure the color of wires of the outdoor unit and the

terminal markings are same to the indoors respectively.

• IMPORTANT : DO NOT INSTALL OR USE THE AIR

CONDITIONER UNIT IN A LAUNDRY ROOM.

Do not use joined and twisted wires for incoming power

supply. The equipment is not intended for use in a

potentially explosive atmosphere

The outdoor unit should be sited in a place where:

• The restrictions on installation specified in the outdoor unit

installation drawing are met.

• Drain water causes no trouble or problem in particular.

• Both air intake and exhaust have clear paths of air.

• The unit is in a clear path of air but not directly exposed to

rain, strong winds, or direct sunlight.

• There is no fear of inflammable gas leakage.

• The unit is no directly exposed to salt, sulfidized gases, or

machine oil vapour (they may shorten outdoor unit life).

• Operation noise or hot (cold) air flow does not cause trouble

to neighbours.

• The unit is at least 3 metres away from any television or

radio antenna.

• Condensation dripping from the stop valve cannot damage

anything during operation.

When operating the air conditioner in a low outdoor ambient

temperature, be sure to follow the instructions described

below.

• To prevent exposure to wind, install the outdoor unit with its

suction side facing the wall.

• Never install the outdoor unit at a site where the suction

side may be exposed directly to wind.

• To prevent exposure to wind, it is recommended to install a

baffle plate on the air discharge side of the outdoor unit.

• In heavy snow areas, select an

installation site where the snow

will not affect the unit.

• If there is a likelihood of snow

accumulating on the outdoor

unit, attach a snow protection

hood.

• In high humidity areas or heavy

snow areas, it is recommended

to attach a drain pan heater to

prevent ice build-up from the

bottom frame.

• Construct a large canopy.

• Construct a pedestal.

Install the unit high enough off the

ground to prevent burying in snow

• Do not expose the remote controller to direct sunlight (this

will hinder receiving signals from the indoor unit).

• Turn on all the fluorescent lamps in the room, if any, and

find the site where remote controller signals are properly

received by the indoor unit (within 7 metres).

Do not install the unit at altitude over 2000m for both

indoor and outdoor.

Mounting plate 1

Remote controller holder 1

AAA dry-cell batteries 2

Wireless remote controller 1

Fixing screws for remote controller

holder M3 × 16L

Titanium apatite deodorizing filter 2

Drain socket

Drain plug 1

Installation manual 1

Only for heat pump models.

Operation manual 1

This product contains fuorinated greenhouse gases.

Do not vent gases into the atmosphere.

Refrigerant type: R32

GWP (1) value: 675

(1) GWP = Global Warming Potential

1 Please ﬁ ll in with indelible ink,



the factory refrigerant charge of the product,



the additional refrigerant amount charged in the field and



the total refrigerant charge

on the refrigerant charge label supplied with the product.

The filled out label must be adhered in the proximity of the product charging

port (e.g. onto the inside of the service cover).

Contains fluorinated greenhouse gases

tCO

GWP × kg

1000

GWP: 675

R32

a Factory refrigerant charge: see unit name plate

b Additional refrigerant amount charged

c Total refrigerant charge

d Greenhouse gas emissions of the total refrigerant charge expressed

as tonnes CO2

-equivalent

e GWP = Global warming potential

In Europe, the of the total refrigerant charge in the system (expressed as tonnes CO

2 -equivalent) is used to determine the

maintenance intervals.

Follow the applicable legislation.

GWP value of the refrigerant × Total refrigerant charge [in kg] / 1000

2 Fix the label on the inside of the outdoor unit. There is a dedicated place for it on the wiring diagram label.

• All electrical wiring must not touch the water piping or any moving parts of the fan motors.

• Confirm that the unit has been switched OFF before installing or servicing the unit.

• Disconnect from the main power supply before servicing the air conditioner unit.

• DO NOT pull out the power cord when the power is ON.

This may cause serious electrical shocks which may result in fire hazards.

• Keep the indoor and outdoor units, power cable and transmission wiring, at least 1m from TVs and radios, to prevent distorted pictures and static.

Depending on the type and source of the electrical waves, static may be heard even when more than 1m away.

• Do not use means to accelerate the defrosting process (if applicable) or to clean, other than those recommended by the manufacturer.

• The appliance must be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater).

• Do not pierce or burn.

• Be aware that refrigerants may not contain an odour.

• The appliance must be installed, operated and stored in a room with a floor area larger than Xm

2 (refer to Section “Special Precautions When Dealing With R32 Unit”).

In case it does not satisfy minimum floor area, it requires to install at good ventilation room.

• NOTE: The manufacturer may provide other suitable examples or may provide additional information about the refrigerant odour.

• Do not install the air conditioner at any place where there is danger of flammable gas leakage.

In the event of a gas leakage, build-up of gas near the air conditioner may cause a fire to break out.

• While following the instructions in this installation manual, install drain piping to ensure proper drainage and insulate piping to prevent condensation.

Improper drain piping may result in indoor water leakage and property damage.

• Tighten the flare nut according to specified method such as with a torque wrench.

If the flare nut is too tight, it may crack after prolonged use, causing refrigerant leakage.

• Do not overcharge the unit.

This unit is factory pre-charged. Overcharge will cause over-current or damage to the compressor.

• Ensure that the unit’s panel is closed after service or installation.

Unsecured panels will cause the unit to operate noisily.

• Sharp edges and coil surfaces are potential locations which may cause injury hazards.

Avoid from being in contact with these places.

• Before turning off the power supply set the remote controller’s ON/OFF switch to the “OFF” position to prevent the nuisance tripping of the unit.

If this is not done, the unit’s fans will start turning automatically when power resumes, posing a hazard to service personnel or the user.

• Make sure to provide for adequate measure in order prevent that the outdoor unit be used as a shelter by small animals. Small animal making contact with electrical parts can cause malfunctions, smoke or fire.

Please instruct the customer to keep the area around the unit clean.

• The temperature of refrigerant circuit will be high, please keep the inter-unit wiring away from copper pipes that are not thermally insulated.

• Only qualified personnel can handle, fill, purge and dispose of the refrigerant.

Air filters

Air filter

Screws

(M4 x 12L)

Front panel

55mm or more from ceiling

50mm or more from walls

(on both sides)

Cut thermal insulation pipe

to an appropriate length and

wrap it with tape, making

sure that no gap is left in the

insulation pipe’s cut line.

Caulk pipe hole

gap with putty.

Refrigerant piping must be protected

from physical damage. Install a plastic

cover or equivalent.

Allow 300mm of work space below

the ceiling surface.

Tab

Where there is a danger of

the unit falling, use foot bolts.

Allow space for piping and

electrical servicing.

The flare connection should

be installed outdoors.



• Remove the screw on the

stop valve cover.

• Slide the lid downward to

remove it.



• Insert the upper part of the

stop valve cover into the

outdoor unit to install.

• Tighten the screws.

Wrap the insulation pipe with the

finishing tape from bottom to top.

The service lid is removable.



1) Remove the service lid

screws.

2) Pull out the service lid

diagonally down in the

direction of the arrow.

3) Pull down.

Titanium apatite

deodorizing filter

Filter frame

500mm from wall

RXC20/25/35 RXC50/60/71

Max. allowable piping length 20m 30m

Min. allowable piping length 3m

Max. allowable piping height 15m 20m

Additional refrigerant required for refrigerant pipe

exceeding 7.5m in length 17g/m

Gas pipe 3/8 inch (9.5mm) 1/2 inch (12.7mm)

Liquid pipe 1/4 inch (6.4mm)

Be sure to add the proper amount of additional refrigerant.

Failure to do so may result in reduced performance.

The suggested shortest pipe length is 10ft (3m), in order to avoid noise from the outdoor unit and vibration.

(Mechanical noise and vibration may occur depending on how the unit is installed and the environment in which it is used.)

• The mounting plate should be installed on

a wall which can support the weight of the

indoor unit.

1) Temporarily secure the mounting plate to the

wall, make sure that the panel is completely

level, and mark the drilling points on the wall.

2) Secure the mounting plate to the wall with

screws.

Mounting plate fixing screw

The mounting plate should

be installed on a wall

which can support the

weight of the indoor unit.

Mounting plate

 Recommended mounting plate

retention spots (7 spots in all) Place a leveler on these tabs. Use a tape measure as shown.

Position the end of the tape

measure at 

Through-the-wall

hole Ø 65mm

Drain hose position

unit : mm

50 170170

116.5117

241.6

46.4

770

46.4

49.549.5

 Recommended mounting plate

retention spots (7 spots in all) Place a leveler on these tabs. Use a tape measure as shown.

Position the end of the tape

measure at 

Through-the-wall

hole Ø 65mm

Drain hose position

unit : mm

117

170 60 170

126.5

251.6

45.4

990

49.5

45.4

65.5

• For walls containing metal frame or metal board, be sure to use a wall embedded pipe and wall cover in the feed-through

hole to prevent possible heat, electrical shock, or fire.

• Be sure to caulk the gaps around the pipes with caulking material to

prevent water leakage.

1) Drill a feed-through hole of 65mm in the wall so it has a down slope

toward the outside.

2) Insert a wall pipe into the hole.

3) Insert a wall cover into wall pipe.

4) After completing refrigerant piping, wiring, and drain piping, caulk

pipe hole gap with putty.

Wall embedded pipe

(Field supply) Caulking (Putty)

(Field supply)

Inside Outside

Wall embedded pipe

(Field supply)

Ø 65

Wall hole cover

(Field supply)

Wire guide

Mounting plate

Hang indoor unit’s hook here.

mark

Remove pipe port cover here for

right-bottom piping

Bind refrigerant pipe and

drain hose together with

insulation tape.

Remove pipe port cover here

for right-side piping

Right-side piping

Right-back piping

Right-

bottom

piping

Mounting plate

When stripping the

ends of inter-unit wire

in advance, bundle

the wire lead ends

with insulation tape.

Inter-unit wire

1) Attach the drain hose to the underside of the refrigerant pipes with

adhesive vinyl tape.

2) Wrap the refrigerant pipes and drain hose together with insulation tape.

3) Pass the drain hose and refrigerant pipes through the wall hole, then set

the indoor unit on the mounting plate hooks by using the markings at

the top of the indoor unit as a guide.

4) Open the front panel, then open the service lid.

(Refer to installation tips.)

5) Pass the inter-unit wire from the outdoor unit through the feed-through

wall hole and then through the back of the indoor unit.

Pull them through the front side. Bend the ends of tie wires upward for

easier work in advance. (If the inter-unit wire ends are to be stripped first,

bundle wire ends with adhesive tape.)

6) Press the bottom frame of the indoor unit with both hands to set it on the

mounting plate hooks. Make sure the wires leads do not catch on the

edge of the indoor unit.

1) Rotate to detach wire clip from hook on the right and remove

the drain hose.

2) Remove the drain plug on the left side and attach it to the

right side.

3) Insert the drain hose and tighten by rotating the wire clip to

hook.

Forgetting to tighten this may cause water leakages.

The drain hose is on the back of the unit.

Attachment on the left side Attachment on the right side

(factory default)

Back view of unit

Front side of unit

Left side Right side

Wire clip

Drain hoseDrain hose

1) Attach the drain hose to the underside of the refrigerant pipes

with adhesive vinyl tape.

2) Be sure to connect the drain hose to the drain port in place of a

drain plug.

3) Shape the refrigerant pipe along the pipe path marking on the

mounting plate.

4) Pass drain hose and refrigerant pipes through the wall hole,

then set the indoor unit on mounting plate hooks, using the

markings at the top of indoor unit as a guide.

5) Pull in the inter-unit wiring.

6) Connect the inter-unit piping.

Do not apply lubricating oil (refrigerant

machine oil) when inserting.

Application causes deterioration and

drain leakage of the plug.

Left-side piping

Remove pipe port cover

here for left-side piping.

Remove pipe port cover

here for left-bottom piping. Left-back piping

Left-bottom piping

 How to set drain plug

Insert a hexagon wrench

(4mm)

No gap

Drain hose

Caulk this hole

with putty or

caulking material. Bind with plastic tape.

Mounting plate

Wrap insulating tape around

the bent portion of refrigerant

pipe. Overlap at least half the

width of the tape with each turn.

The figures shown in the table are for information purpose only. They should be checked and selected

to comply with the local/national codes of regulations. This is also subject to the type of installation and

conductors used.

The appropriate voltage range should be checked with label data on the unit.

Outdoor Unit

Terminal Block

Indoor Unit

Terminal Block

N / L2

L / L1

Power

Supply

Main

Switch

Fuse /

Circuit

Breaker

Power Supply Cable

Interconnection

cable

There must be an all

pole disconnection in

the supply mains with

a contact separation of

at least 3mm.

220-240V/~/50Hz +

1.5

2.5

1.5

16 16

• All wires must be firmly connected.

• Make sure all the wire do not touch the refrigerant pipings, compressor or any moving parts.

• The connecting wire between the indoor unit and the outdoor unit must be clamped by using provided cord anchorage.

• The power supply cord must be equivalent to H07RN-F which is the minimum requirement.

• Make sure no exter nal pressure is applied to the terminal connectors and wires.

• Make sure all the covers are properly fixed to avoid any gap.

• Use round crimp-style terminal for connecting wires to the power supply terminal block. Connect the wires by matching to

the indication on terminal block. (Refer to the wiring diagram attached on the unit).

Attach insulation sleeve

Round crimp-style terminal

Electric wire

• Used the correct screwdriver for terminal screws tightening. Unsuitable screwdrivers can damage the screw head.

• Over tightening can damage the terminal screws.

• Do not connect wire of different gauge to same terminal.

• Keep wiring in an orderly manner. Prevent the wiring from obstructing other parts and the terminal box cover.

Connect wires of the

same gauge to both sides.

Do not connect wires of the

same gauge to one side.

Do not connect wires

of different gauges.

• Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation guidelines

below.

• For any of the below installation patterns, the wall height on the exhaust side should be 1200mm or less.

Wall facing one side Walls facing two sides Walls facing three sides

Side view

Top view

1200

or less

Wall facing one side Walls facing two sides Walls facing three sides

More than 50

More than 100 More than 350

than 100

More than

350

More than 100

More than 350

than 50 More

than 50

More than

More than 100

More than

150

More than

100

than 50 More

than 50

More than 150

More than 300

More than

1200

or less

(Heat Pump Unit Only) Drain water hole

Bottom frame

Drain socket

Hose (available commercially, inner dia. 5/8" (16mm))

1) Use drain socket for drainage.

2) If the drain port is covered by a mounting base or floor surface,

place additional foot bases of at least 30mm (1-3/16") in height

under the outdoor unit’s feet.

3) In cold areas, do not use a drain hose with the outdoor unit.

(Otherwise, drain water may freeze, impairing heating performance.)

1) Cut the pipe end with a pipe cutter.

2) Remove burrs with the cut surface facing downward so that the

chips do not enter the pipe.

3) Put the flare nut on the pipe.

4) Flare the pipe.

5) Check that the flaring is properly made.

• Do not use mineral oil on flared part.

• Prevent mineral oil from getting into the system as this would

reduce the lifetime of the units.

• Never use piping which has been used for previous installations.

• Only use parts which are delivered with the unit.

• Do never install a drier to this unit in order to guarantee its lifetime.

• The drying material may dissolve and damage the system.

• Incomplete flaring may cause refrigerant gas leakage.

Do not reuse joints which have been used once already.

Set exactly at the position shown below.

6.4 (1/4") 0-0.5 1.0-1.5 1.5-2.0

9.5 (3/8") 0-0.5 1.0-1.5 1.5-2.0

12.7 (1/2") 0-0.5 1.0-1.5 2.0-2.5

15.9 (5/8") 0-0.5 1.0-1.5 2.0-2.5

19.1 (3/4") 0-0.5 1.0-1.5 2.0-2.5

Flaring

Die

Flare’s inner surface

must be flaw-free

The pipe end must be evenly

flared in a perfect circle.

Make sure that the flare nut is fitted.

Check

(Cut exactly at

right angles.) Remove burrs.

1) Use the flare nut fixed to the main unit. (To prevent cracking of the flare nut by aged deterioration.)

2) To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for R32.)

3) Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage.

Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand. Then tighten them fully with the torque wrenches.

[Apply oil]

Apply refrigeration oil to the inner surface of the flare.

Do not apply refrigeration oil to the outer surface.

Do not apply refrigeration oil to the flare nut to

avoid tightening with excessive torque.

Flare nut

[Tighten]

Torque wrench

Spanner

Pipe union

Flare nut

6.4 (1/4") 18 (13.3)

9.5 (3/8") 42 (31.0)

12.7 (1/2") 55 (40.6)

15.9 (5/8") 65 (48.0)

19.1 (3/4") 78 (57.6)

Wall

Rain

Be sure to place

a cap.

If no flare cap is available,

cover the flare mouth

with tape to keep dirt or

water out.

1) Protect the open end of the pipe against dust and moisture.

2) All pipe bends should be as gentle as possible.

Use a pipe bender for bending.

When using commercial copper pipes and fittings, observe the following:

1) Insulation material: Polyethylene foam

Heat transfer rate: 0.041 to 0.052W/mK (0.035 to 0.045kcal/(mh •˚C)

Refrigerant gas pipe’s surface temperature reaches 110˚C max.

Choose heat insulation materials that will withstand this

temperature.

2) Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below.

6.4 (1/4") 30mm or more

0.8mm

(C1220T-O)

I.D. 8-10mm

10mm Min.

9.5 (3/8") 30mm or more I.D. 12-15mm

12.7 (1/2") 40mm or more I.D. 14-16mm

15.9 (5/8") 50mm or more 1.0mm

(C1220T-O)

I.D. 16-20mm

19.1 (3/4") 50mm or more I.D. 20-24mm

Inter-unit wire

Drain hose

Liquid pipe insulationGas pipe insulation

Finishing tape

Gas pipe Liquid pipe

Do NOT exceed the unit’s maximum working pressure (see “Max. Allowable Pressure” on the unit name plate).

• When piping work is completed, it is necessary to purge the air and check for gas leakage

1) Do not mix any substance other than the specified refrigerant (R32) into the refrigeration cycle.

2) When refrigerant gas leaks occur, ventilate the room as soon and as much as possible.

3) R32, as well as other refrigerants, should always be recovered and never be released directly into the environment.

4) Use a vacuum pump for R32 exclusively. Using the same vacuum pump for different refrigerants may damage the vacuum

pump or the unit.

• If using additional refrigerant, perform air purging from the refrigerant pipes and indoor

unit using a vacuum pump, then charge additional refrigerant.

• Use a hexagonal wrench (4mm) to operate the stop valve rod.

• All refrigerant pipe joints should be tightened with a torque wrench at the specified

tightening torque.

Pressure meter

Valve

caps

Liquid stop

valve

Gas stop valve

Vacuum pump Service port

High

pressure

valve

Low-pressure

valve

Charging hoses

Compound

pressure gauge

Gauge manifold

1) Connect projection side of charging hose (which comes from gauge manifold) to gas stop valve’s service port.

2) Fully open gauge manifold’s low-pressure valve (Lo) and completely close its high-pressure valve (Hi).

(High-pressure valve subsequently requires no operation.)

3) Do vacuum pumping and make sure that the compound pressure gauge reads - 0.1MPa (- 760mmHg)

4) Close gauge manifold’s low-pressure valve (Lo) and stop vacuum pump. (Keep this state for a few minutes to make sure that the compound

pressure gauge pointer does not swing back.)

5) Remove covers from liquid stop valve and gas stop valve.

6) Turn the liquid stop valve’s rod 90 degrees counterclockwise with a hexagonal wrench to open valve.

Close it after 5 seconds, and check for gas leakage. Using soapy water, check for gas leakage from indoor unit’s flare and outdoor unit’s flare and

valve rods. After the check is complete, wipe all soapy water off.

7) Disconnect charging hose from gas stop valve’s service port, then fully open liquid and gas stop valves.

(Do not attempt to turn valve rod beyond its stop.)

8) Tighten valve caps and service port caps for the liquid and gas stop valves with a torque wrench at the specified torques.

1. Pipe length vs. vacuum pump run time

Pipe length Up to 15 metres More than 15 metres

Run time Not less than 10 min. Not less than 15 min.

2. If the compound pressure gauge pointer swings back, refrigerant may have water content or a loose pipe joint may exists.

Check all pipe joints and retighten nuts as needed, then repeat steps 2) through 4).

1) Remove the valve lids from liquid stop valve and gas stop valve.

2) Carry out forced cooling operation.

3) After five to ten minutes, close the liquid stop valve with a hexagonal wrench.

4) After two to three minutes, close the gas stop valve and stop forced cooling



Press the indoor unit ON/OFF switch for at least 5 seconds. (The operation will start.)

• Forced cooling operation will stop automatically after around 15 minutes.

To stop the operation, press the indoor unit ON/OFF switch.

Hexagonal

wrench

Valve lid

Gas stop valve

Service port

Liquid stop valve

After closing the liquid stop valve, close the gas stop valve within 3 minutes, then stop the forced cooling operation.

. If you want to pump down the system, and there is a leakage in the refrigerant circuit:

• Do NOT use the unit’s automatic pump down function, with which you can collect all refrigerant from the system into

the outdoor unit. Possible consequence: Self-combustion and explosion of the compressor because of air going into the

operating compressor.

• Use a separate recovery system so that the unit’s compressor does NOT have to operate.

During pump down operation, stop the compressor before removing the refrigerant piping. If the compressor is still running

and the stop valve is open during pump down, air will be sucked into the system. Compressor breakdown or damage to the

system can result due to abnormal pressure in the refrigerant cycle.

Do NOT try to dismantle the system yourself: the dismantling of the system, treatment of the

refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a

specialised treatment facility for reuse, recycling and recovery.

Green Cool mode

Red Heat mode

Green Auto mode in Cooling operation

Red Auto mode in Heating operation

Green Fan mode on

Green Dry mode on

Dimmed Green / Dimmed Red Sleep mode on

Orange Timer on

Red Defrost operation

Green Unit error

ON Blinking

Prior to installation, ensure risk of ignition is minimised and avoid working in confined space.

Ensure adequate ventilation is available by opening windows or doors.

• When flared joints are reused indoors,the flare part shall be re-fabricated.

• Avoid installation of the air conditioner in a place where there is danger of exposure to continuously operating open flames

(for example an operating electric heaters).

• Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an

industry-accredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an

industry recognised assessment specification.

The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of

potentially flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with flammable refrigerants,

i.e. nonsparking, adequately sealed or intrinsically safe.

If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate fire extinguishing equipment shall

be available to hand. Have a dry powder or CO 2 fire extinguisher adjacent to the charging area.

All possible ignition sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repairing,

removing and disposal, during which flammable refrigerant can possibly be released to the surrounding space. “No Smoking” signs

shall be displayed.

– marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected;

– refrigeration pipe or components are installed in a position where they are unlikely to be exposed to any substance which may

corrode refrigerant containing components, unless the components are constructed of materials which are inherently resistant to

being corroded or are suitably protected against being so corroded.

– that capacitors are discharged, this shall be done in a safe manner to avoid possibility of sparking

– there shall be no live electrical components and wiring are exposed while charging, recovering or purging the system;

Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage

and current permitted for the equipment in use.

Replace components only with parts specified by the manufacturer.

Ensure that the detector is not a potential source of ignition (for example a halide torch) and is suitable for the refrigerant used. Leak

detection equipment shall be set at a percentage of the LFL of the refrigerant (for R32, LFL is 13%) and shall be calibrated to the

refrigerant employed and the appropriate percentage of gas (25% maximum) is confirmed.

Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the

chlorine may react with the refrigerant and corrode the copper pipework. If a leak is suspected, all naked flames shall be removed/

extinguished. If a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered from the system, or

isolated (by means of shut off valves) in a part of the system remote from the leak. Oxygen free nitrogen (OFN) shall then be purged

through the system both before and during the brazing process.

When breaking into the refrigerant circuit to make repairs – or for any other purpose – conventional procedures shall be used. However,

it is important that best practice is followed since flammability is a consideration. The following procedure shall be adhered to:

• remove refrigerant;

• purge the circuit with inert gas;

• evacuate;

• purge again with inert gas;

• open the circuit by cutting or brazing.

The refrigerant charge shall be recovered into the correct recovery cylinders. The system shall be “flushed” with OFN to render the unit

safe. This process may need to be repeated several times.

Compressed air or oxygen shall not be used for this task. Flushing shall be achieved by breaking the vacuum in the system with OFN

and continuing to fill until the working pressure is achieved, then venting to atmosphere, and finally pulling down to a vacuum.

Heat Pump Model

Model : FTXC 20/25/35 RXC 20/25/35

-15

-10

10 15 20 25 27 32

14 15 19 20 23 25

-20

OUTDOOR TEMP (°CDB)

OUTDOOR TEMP (°CWB)

INDOOR TEMP (°CWB) INDOOR TEMP (°CDB)

COOLING HEATING

DB: Dry bulb WB: Wet bulb

Model : FTXC 50/60/71 RXC 50/60/71

-20

10 1415 19 20 23 25

-20

-15

-10

10 15 20 25 27 30

-10

OUTDOOR TEMP (°CDB)

OUTDOOR TEMP (°CWB)

INDOOR TEMP (°CWB) INDOOR TEMP (°CDB)

COOLING HEATING

DB: Dry bulb WB: Wet bulb

When an infrared remote control operating signal has

been transmitted, the signal receiver on the indoor unit

will respond as below to confirm acceptance of the signal

transmission.

LED INDICATOR LIGHTS

1 Long Beep

2 Short Beep

1 Short Beep

The table shows the LED indicator lights for the air

conditioner unit under normal operation and fault

conditions. The LED indicator lights are located at the

side of the air conditioner unit.

ON/OFF DISPLAY

ON/OFF SWITCH

TIMER

IR RECEIVER

The heat pump units are equipped with an “auto”

mode sensor whereby it will provide reasonable room

temperature by switching automatically to either “cool” or

“heat” mode according to the temperature set by the user.

Do NOT operate the system before the following checks are OK:

The is properly mounted.

The system is properly and the earth terminals are tightened.

The or locally installed protection devices are installed according to this document, and have NOT been

bypassed.

The matches the voltage on the identification label of the unit.

There are NO or damaged electrical components in the switch box.

There are NO or on the inside of the indoor and outdoor units.

There are NO .

The (gas and liquid) are thermally insulated.

The correct pipe size is installed and the are properly insulated.

The (gas and liquid) on the outdoor unit are fully open.

The following has been carried out according to this document and the applicable legislation

between the outdoor unit and the indoor unit.

Make sure drainage flows smoothly.

: Condensate water might drip.

The indoor unit receives the signals of the .

The specified wires are used for the .

To perform an .

To perform a .

This process shall be repeated until no refrigerant is within the system. When the final OFN charge is used, the system shall be vented

down to atmospheric pressure to enable work to take place. This operation is absolutely vital if brazing operations on the pipe-work are

to take place. Ensure that the outlet for the vacuum pump is not close to any ignition sources and there is ventilation available.

This unit shall be labelled ‘de-commissioned and emptied of refrigerant’. This label shall be dated and signed. Ensure that there are

labels on the equipment stating the equipment contains flammable refrigerant.

In addition to conventional charging procedures, the following requirements shall be followed.

– Ensure that contamination of different refrigerants does not occur when using charging equipment. Hoses or lines shall be as

short as possible to minimise the amount of refrigerant contained in them.

– Cylinders shall be kept upright.

– Ensure that the refrigeration system is earthed prior to charging the system with refrigerant.

– Label the system when charging is complete (if not already).

– Extreme care shall be taken not to overfill the refrigeration system.

Prior to recharging the system it shall be pressure tested with OFN. The system shall be leak tested on completion of charging but prior

to commissioning. A follow up leak test shall be carried out prior to leaving the site.

Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. It is

recommended good practice that all refrigerants are recovered safely. Prior to the task being carried out, an oil and refrigerant sample

shall be taken in case analysis is required prior to re-use of reclaimed refrigerant. It is essential that electrical power is available before

the task is commenced.

a) Become familiar with the equipment and its operation.

b) Isolate system electrically.

c) Before attempting the procedure ensure that:

• mechanical handling equipment is available, if required, for handling refrigerant cylinders;

• all personal protective equipment is available and being used correctly;

• the recovery process is supervised at all times by a competent person;

• recovery equipment and cylinders conform to the appropriate standards.

d) Pump down refrigerant system, if possible.

e) If a vacuum is not possible, make a manifold so that refrigerant can be removed from various parts of the system.

f) Make sure that cylinder is situated on the scales before recovery takes place.

g) Start the recovery machine and operate in accordance with manufacturer’s instructions.

h) Do not overfill cylinders. (No more than 80% volume liquid charge).

i) Do not exceed the maximum working pressure of the cylinder, even temporarily.

j) When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the equipment are

removed from site promptly and all isolation valves on the equipment are closed off.

k) Recovered refrigerant shall not be charged into another refrigeration system unless it has been cleaned and checked.

When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants

are removed safely. When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed.

Ensure that the correct number of cylinders for holding the total system charge are available. All cylinders to be used are designated

for the recovered refrigerant and labelled for that refrigerant (i.e. special cylinders for the recovery of refrigerant). Cylinders shall be

complete with pressure relief valve and associated shut-off valves in good working order. Empty recovery cylinders are evacuated and,

if possible, cooled before recovery occurs.

The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and shall

be suitable for the recovery of flammable refrigerants. In addition, a set of calibrated weighing scales shall be available and in good

working order. Hoses shall be complete with leak-free disconnect couplings and in good condition. Before using the recovery machine,

check that it is in satisfactory working order, has been properly maintained and that any associated electrical components are sealed

to prevent ignition in the event of a refrigerant release. Consult manufacturer if in doubt.

The recovered refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer

Note arranged. Do not mix refrigerants in recovery units and especially not in cylinders.

If compressors or compressor oils are to be removed, ensure that they have been evacuated to an acceptable level to make certain that

flammable refrigerant does not remain within the lubricant. The evacuation process shall be carried out prior to returning the compressor

to the suppliers. Only electric heating to the compressor body shall be employed to accelerate this process. When oil is drained from a

system, it shall be carried out safely.

• Do not use tapped wires, extension cords, or starburst connections, as they may cause overheating, electric shock, or fire.

• Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the

terminal block.) Doing so may cause electric shock or fire.

• Be sure to install an earth leakage circuit breaker. (One that can handle higher harmonics.)

(This unit uses an inverter. Therefore, an earth leakage circuit breaker capable of handling higher harmonics must be used in

order to prevent the earth leakage circuit breaker malfunctioning.)

• Use an all-pole disconnection type circuit breaker with at least 3mm (1/8 inch) between the contact point gaps.

• When carrying out wiring, take care not to pull at the conduit.

• Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.

• Do not turn on the circuit breaker until all work is completed.

1) Strip the insulation from the wire (20mm).

2) Connect the inter-unit wires between the indoor and outdoor units so that the terminal numbers match. Tighten the terminal

screws securely. It is recommended that a flathead screwdriver be used to tighten the screws.

The screws are packed with the terminal block.

123

L N

1 2 3

Firmly ﬁx the wires with

the terminal screws.

Power supply

50Hz 220-240V

Earth leakage

circuit breaker

Circuit

breaker

Earth

Firmly ﬁx the wires

with the terminal

screws.

Indoor

unit

Power supply

terminal block

Shape wires so

that the service

lid and stop valve

cover fit securely.

Power supply wire

3-core 60245 IEC 57

H07RN-F

Inter-unit wire 4-core 60245

IEC 57 H07RN-F

RXC20/25/35 16A

RXC50/60/71 16A

* *

0.55 0.29 0.76 0.55

0.75 0.54 0.96 0.88

1.00 0.95 1.38 1.82

1.10 1.15 1.48 2.10

1.15 1.26 1.53 2.24

• Installation of pipe work shall be kept to a minimum and pipe work shall be protected from physical damage and shall not be

installed in an unventilated space.

• Reusable mechanical connectors and flare joints shall be accessible for maintenance purposes.

Importer for Turkey

Allianz Plaza-Kucukbakkalkoy Mah.Kayısdagi Cad.No:1 34750

Atasehir-ISTANBUL / TURKIYE

• In the event that there is any conﬂ ict in the interpretation of this manual and any translation of the same in any

language, the English version of this manual shall prevail.

• The manufacturer reserves the right to revise any of the speciﬁ cation and design contain herein at any time

without prior notiﬁ cation.

Head ofﬁ ce:

Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,

Kita-ku, Osaka, 530-8323 Japan

Tokyo ofﬁ ce:

JR Shinagawa East Bldg., 2-18-1, Konan,

Minato-ku, Tokyo, 108-0075 Japan

http://www.daikin.com/global/

Lot 60334, Persiaran Bukit Rahman Putra 3,

Taman Perindustrian Bukit Rahman Putra,

47000 Sungai Buloh, Selangor Darul Ehsan,

Malaysia.

Maintenance MUST be done by an authorized

installer or service agent.

We recommend performing maintenance at least

once a year. However, applicable legislation

might require shorter maintenance intervals.

Before carrying out any maintenance

or repair activity, ALWAYS switch off

the circuit breaker on the supply panel,

remove the fuses or open the protection

devices of the unit.

Do NOT touch live parts for 10 minutes

after the power supply is turned off

because of high voltage risk.

Please note that some sections of the

electric component box are hot.

Make sure you do NOT touch a conductive

section.

Do NOT rinse the unit. This may cause

electric shocks or fire.

This chapter contains information about:

• The yearly maintenance of the outdoor unit

Check the following at least once a year:

• Outdoor unit heat exchanger.

The heat exchanger of the outdoor unit can get

blocked up due to dust, dirt, leaves, etc. It is

recommended to clean the heat exchanger yearly. A

blocked heat exchanger can lead to too low pressure

or too high pressure leading to worse performance.

Before performing any maintenance or

service work, touch a metal part of the unit

in order to eliminate static electricity and to

protect the PCB.

Drain hose

Outer wall

50 mm

or more Vinyl chloride drain pipe

(VP-30)

Inner wall

Insert drain hose to this

depth so it won’t be pulled

out of drain pipe.

Refrigerant

pipes

Mounting

plate

Bottom frame

7) Wrap the refrigerant pipes and drain hose together with

insulation tape as right figure.

Follow the instructions given

1) Insert the drain hose to this depth so it won’t be pulled out

of the drain pipe.

The indoor unit must be installed in such a way so as to prevent short circuit of the cool discharged air with the hot return air.

Please follow the installation clearance shown in the figure. Do not place the indoor unit where there could be direct sunlight

shining on it. Also, this location must be suitable for piping and drainage, and be away from doors or windows.

ReturnAir

Required space min. 50min. 50

min. 55

(Space for

maintenance)

(Space for

maintenance)

(Space for

performance)

Air flow

(Indoor)

All dimensions are in mm



Hook the claws of the bottom

frame to the mounting plate.



Push up the marked area

(at the lower part of the front

grille) to release the claws.

Mounting

plate

Claw

Mark (rear side)

Bottom frame

Front grille

• Connect the drain hose, as described below.

The drain hose should

be inclined downward.

No trap is permitted.

Do not put the end of

the hose in water.

• Water Drainage

Water

leaking Water

leaking

Water

retention

Drain

WrongWrongWrongCorrect

End

dipped

into

water

• Remove the air filters and pour some water into the

drain pan to check the water flows smoothly.

• When drain hose requires extension, obtain an extension

hose commercially available. Be sure to thermally insulate the

indoor section of the extension hose.

Indoor unit

drain hose

Ø 16

Extension drain hose

Heat insulation tube

(Field supply)

• When connecting a rigid polyvinyl chloride pipe (inside

diameter 16mm) directly to the drain hose attached to

the indoor unit as with embedded piping work, use any

commercially available drain socket (inside diameter 16mm)

as a joint.

φ16

Drain hose supplied

with the indoor unit

socket (inside

diameter 16mm)

polyvinyl pipe

(diameter 16mm)

Produkt Specifikationer

Mærke:	Daikin
Kategori:	Klimaanlæg
Model:	RXC71CV1B

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