Intermatic BD1-28C1S5W-BI Manual

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Side 1/2

HY1 0...10° Thermostat ON -> OFF differential .(0.0°C)

CRT 0...30min Compressor rest time. The output is switched on again after CRT minutes have elapsed since the previous switchover. We

recommend to set CRT=03 with HY0<2.0° .(1)

CT1 0...30min Compressor/Heater output run when probe T1 is faulty. With CT1=0 the output will always remain OFF .(3)

CT2 0...30min Compressor/Heater output stop when probe T1 is faulty. With CT2=0 and CT1>0 the output will always be ON. Example:

CT1=4, CT2= 6: In case of probe T1 failure, the compressor will cycle 4 minutes ON and 6 minutes OFF .(6)

DFM NON;

TIM;

FRO

Defrost start mode (NON)

NON : defrost function is disabled (the following parameter will be FCM).

TIM : regular time defrost.

FRO : the defrost time count is only increased when the conditions occur for frost to form on the evaporator (optimised

time increase). If the evaporator works at 0°C, defrost frequency depends on the thermal load and climatic conditions. With

setpoints much lower than 0°C, defrost frequency mainly depends on the refrigerator operating time.

DFT 0...99 hours Time interval among defrosts. When this time has elapsed since the last defrost, a new defrost cycle is started.

For example, with =TIM and =06, a defrost will take place every 6 hours .DFM DFT (6)

DFB NO/YES Defrost timer backup. With DFB=YES, after a power interruption, the timer resumes the count from where it was left off with ±30

min. approximation. With DFB=NO, after a power interruption, the defrost timer will re-start to count from zero (NO).

DLI -50...110° Defrost end temperature .(10°C)

DTO 1...120min Maximum defrost duration .30

DTY OFF;

ELE;

GAS

Defrost type .(ELE)

OFF: off cycle defrost (Compressor and Heater OFF).

ELE: electric defrost (Compressor OFF and Heater ON).

GAS: hot gas defrost (Compressor and Heater ON).

DSO OFF;

LO;

Defrost start - thermostat cycle synchronization (OFF)

OFF: none. The defrost will occur without delay.

LO: defrost start will be postponed to compressor cut-out (SOD = max delay).

HI: defrost start will be postoponed to compressor cut-in (SOD = max delay).

SOD 0...30 min Timeout for defrost start - thermostat cycle synchronization. If 0, defrost will start immediately .(5)

DPD 0...240sec Evaporator pump down. At the beginning of defrost, defrost outputs (determined by DTY) are OFF for DPD seconds .(0)

DRN 0...30min Pause after defrost (evaporator drain down time) .(3)

DDM RT;

LT;

SP;

DEF

Defrost display mode. During defrost the display will show :(DEF)

RT: the real temperature;

LT : the last temperature before defrost;

SP : the current setpoint value;

DEF : “dEF”.

DDY 0...60min Display delay. The display shows the information selected with parameter DDM during defrost and for DDY minutes after

defrost termination (10).

FID NO/YES Fans active during defrost .(NO)

FDD -50...110° Evaporator fan re-start temperature after defrost . (-5°C)

FTO 0...120min Maximum evaporator fan stop after defrost (0).

FCM NON;

TMP;

TIM

Fan mode during thermostatic control . (NON)

NON : The fans remain ON all the time;

TMP : Temperature-based control. The fans are ON when the compressor is ON. When the compressor is turned OFF, the

fans remain ON as long as the temperature difference Te-Ta is greater than FDT. The fans are turned ON again with FDH

differential. (Te = Evaporator temperature, Ta =

Air temperature);

TIM : Timed-based control. The fans are ON when

the compressor is ON. When the compressor is

OFF, the fans switch ON and OFF according to

parameteres FT1, FT2, FT3 (See Fig.2).

FDT -12...0° Evaporator-Air temperature difference for the fans to turn OFF after the compressor has stopped .(-2°C)

FDH 1...12° Temperature differential for fan re-start .(3°C)

Example: FDT = -1, FDH=3. In this case, after the compressor has stopped, the fans are OFF when Te > Ta - 1 (FDT), whereas

the fans are ON when Te < Ta - 4 (FDT-FDH).

FT1 0...180sec Fan stop delay after compressor/heater stop .(30)

FT2 0...30min Timed fan stop. With FT2=0 the fans remain on all the time . (1)

FT3 0...30min Timed fan run. With FT3=0, and FT2 > 0, the fans remain off all the time.

ATM NON;

ABS;

REL

Alarm threshold management .(NON)

NON : all temperature alarms are inhibited (the following parameter will be ACC).

ABS : the values programmed in ALA and AHA represent the real alarm thresholds.

REL : the alarm threshold is obtained by the sum of setpoint, thermostat differential and ALR/AHR.

ALA -50... 110° Low temperature alarm threshold .(-50°C)

AHA -50... 110° High temperature alarm threshold (120°C).

ALR -12... 0° Low temperature alarm differential. With ALR=0 the low temperature alarm is excluded .(0°C)

AHR 0... 12° High temperature alarm differential. With AHR=0 the high temperature alarm is excluded .(0°C)

ATI T1; T2; T3 Probe used for temperature alarm detection .(T1)

ATD 0... 120min Delay before alarm temperature warning .(60)

ACC 0...52

weeks

Condenser periodic cleaning. When the compressor operation time, expressed in weeks, matches the ACC value programmed,

“CL” ﬂashes in the display. With ACC=0 the condenser cleaning warning is disabled and CND disappears from Info Menu (0).

IISM NON;

MAN;

ECO;

Switchover mode to second parameter set (NON)

NON : inhibition to use the second parameter group (the following parameter will be SB).

MAN : button switches the two parameter groups over.

ECO : automatic switchover to the second parameter group, when ECO conditions are detected.

DI : switchover to the second parameter group when DIx input is on.

IISL -50... IISH Minimum limit for IISP setting . (-25°C)

IISH IISL... 110° Maximum limit for IISP setting . (25°C)

IISP IISL... IISH Setpoint in mode 2 .(5°C)

IIH0 1... 10° Thermostat OFF->ON differential in mode 2 .(4°C)

IIH1 0... 10° Thermostat ON->OFF differential in mode 2 .(0°C)

IIDF 0...99 hours Time interval among defrosts in mode 2 (6).

IIFC NON;TMP; TIM Fan control in mode 2. See FCM .(NON)

ECS 1...5 Controller sensitivity for the automatic switchover from Group I to Group II (1=minimum, 5=maximum) .(3)

EPT 0...240 min Eco pull-down time. Only with IISM=ECO. Group I parameters are used in regulation for at least EPT minutes. See Fig.3 (30)

SB NO/YES Stand-by button enabling (YES).

DSM NON;

ALR;

STP

Door switch input mode :(NON)

NON : door switch inhibited

ALR : when DIx=DOR and the digital input is on, an alarm is generated after DAD minutes

STP : when DIx=DOR and the digital input is on, in addition to the alarm, the fans are immediately stopped and the

compressor is stopped after CSD minutes.

DAD 0...30 min Delay before door open alarm warning .(5)

CSD 0...30 min

Compressor/heater stop delay after door has been opened. If CSD=NO compressor/heater never stops due to the door

opening .(1)

OFF

COMPR.

COMPR. OFF

FT1 FT2 FT3 FT3FT2

Fig.2 Time-optimised fan control (FCM=TIM)

D1O NON;

DOR;

ALR;

IISM;

RDS

DI1 digital input operation (NON)

NON : digital input 1 not active.

DOR : door input.

ALR : when the input is on, an alarm is generated (if AHM=STP, the compressor is stopped and the defrosts are suspended).

IISM : when the input is on, the controller will use group II parameters.

RDS : when the input is on, a defrost is started (remote control).

D1A OPN; CLS. DI1 digital input activation .(OPN)

OPN : on open

CLS : on close

D2O See D1O DI2 digital input operation. See D1O .(NON)

D2A OPN; CLS. DI2 digital input activation. See D1A .(OPN)

D3O NON;

...

RDS;

DSY.

DI3 digital input operation (NON)

NON ... RDS : See D1O.

DSY : defrost synchronization. The controllers will all start and end defrost together. The ﬁrst controller in defrost will get

defrost of all the others started. The last controller ending defrost will get defrost of all the others stopped.

D3A OPN; CLS. DI3 digital input activation. See D1A .(OPN)

LSM NON;

MAN;

ECO;

DI1;

DI2;

DI3.

Light control mode (NON)

NON : light output not controlled.

MAN : light ouput controlled through button (if OAx=LGT).

ECO : lights activated/deactivated following the ECO state.

DIx : lights activated/deactivated following the DIx state.

LSA OPN;

CLS

Light activation (only with LSM=ECO or LSM=DIx) .(OPN)

OPN : lights on with DIx open or ECO mode deactivated.

CLS : lights on with DIx closed or ECO mode activated.

OA1 NON;

LGT;

0-1;

2CU;

2EU;

ALO;

ALC

AUX 1 output operation (NON)

NON : output disabled (always off).

LGT : output enabled for light control.

0-1 : the relay contacts follow the on/standby state of controller.

2CU : output programmed for the control of an auxiliary compressor.

2EU : output enabled for the control of the electrical defrost of a second evaporator.

ALO : contacts open when an alarm condition occurs.

ALC : contacts make when an alarm condition occurs.

OA2 See OA1 AUX2 output operation. See OA1 .(NON)

2CD 0...120 sec Auxiliary compressor start delay. If OAx=2CU the auxiliary output is switched on with a delay of 2CD seconds after the main

compressor has cut-in. Both compressors are turned off at the same time .(30)

OS1 -12...12° Probe T1 offset (0°C).

T2 NO/YES Probe T2 enabling (evaporator) . (NO)

OS2 -12...12° Probe T2 offset (0°C).

T3 NON;

DSP;

CND;

2EU

Auxiliary probe T3 operation (NON)

NON : probe T3 not ﬁtted.

DSP : temperature T3 to be displayed.

CND : condenser temperature measurement.

2EU : second evaporator temperature measurement.

OS3 -12...12° Probe 3 offset .(0°C)

AHM NON;

ALR;

STP;

Operation in case of high condenser alarm (NON)

NON : high condenser alarm inhibited.

ALR : in case of alarm, “HC” ﬂashes in the display and the buzzer is switched on.

STP : in addition to the alarm symbols displayed, the compressor is stopped and defrosts are suspended.

AHT -50...110° Condensation temperature alarm (referred to T3 probe) .(60°C)

TLD 1...30 min Delay for minimum temperature (TLO) and maximum temperature (THI) logging . (5)

TDS T1;

1-2;

Selects the temperature probe to be displayed . (T1)

T1 : probe T1

1-2 : the AVG-weighted average between T1 and T2

T3 : probe T3

AVG 0...100% The relative weight of T2 on T1 (if TDS = 1-2) (0)

Example 1: T1 = -5°, T2 = -20°, AVG = 100%. The displayed temperature will be -20° (T1 has no effect)

Example 2: T1 = -5°, T2 = -20°, AVG = 60%. The displayed temperature will be -14.

SCL 1°C;

2°C;

°F

Readout scale .(1°C)

1°C : measuring range -50…110°C (0.1°C resolution within -9.9 ÷ 9.9°C interval, 1°C outside)

2°C : measuring range -50 … 110°C

°F : measuring range -55 … 180°F

SIM 0...100 Display slowdown . (3)

ADR 1...255 BD1-28 address for PC communication . (1)

EPT EPT

Heavy duty Heavy dutyEco

Heavy duty

condition detection

ECO condition

detection

SP+HY0

IISP

IISP+IIH0

IISP-IIH1

SP-HY1

Fig.3 - EPT parameter

5. WIRING DIAGRAM

BD1-28

1 2 4 5 6 7 8 9 10 11 13 19

20 21 22 23 24 25 26 27 28

RS485

data I/O

remote

16(4)A

7A7A

AUX 2 AUX 1

16(12)A

NEUTRAL

AUX T3

Aux

DI1 DI2 DI3

L2/Neutral

LIVE

AIR T1

EVP T2

Power Supply

100...240 Vac

FUSE20A

Remote

unit

1. INSTALLATION

■The BD1-28 controller, size mm (WxHxD), is to be secured to a DIN rail in such a position as to ensure that no liquid inﬁltrates causing serious 107x95x47

damage and compromising safety.

■Make sure that electrical connections comply with the paragraph “wiring diagrams”. To reduce the effects of electromagnetic disturbance, keep the

sensor and signal cables well separate from the power wires.

■Place the probe T1 inside the room in a point that truly represents the temperature of the stored product.

■Place the probe T2 on the evaporator where there is the maximum formation of frost.

■The function of probe T3 is determined by the parameter T3. With =DSP the probe measures the temperature to be displayed. With =CND the probe T3 T3

measures the condenser temperature, it must therefore be placed between the ﬁns of the condensing unit. With =2EU the probe measures the temperature T3

of the second evaporator and it must therefore be placed where there is the maximum formation of frost. With =NON, the third probe is disabled.T3

2. DISPLAY INFO

Alarm Room high temperature alarm

Thermostat output Room low temperature alarm

Fan output Condenser high temperature

Defrost output Generic alarm

Activation of 2

nd set Condenser clean warning

Controller in stand-by Probe T1 failure

Defrost in progress Probe T2 failure

Door open alarm Probe T3 failure

In case of alarm, press any key to mute the buzzer sound.

Info items Navigation

Instant probe 1 temperature

* Instant probe 2 temperature

* Instant probe 3 temperature

Max probe 1 temperature

Min probe 1 temperature

** Compressor working weeks

Keypad state lock

*: only if enabled **: only if ACC > 0

Keypad Lock THI / TLO / CND reset

3. OPERATION

Setpoint I and II: display and modication Standby (SB=YES)

1’’

3’’

I Set II tSe

Increase

Decrease

3.1 SELECTION OF SECOND PARAMETER GROUP

Manual (IISM=MAN) Automatic (IISM=ECO) Contact (IISM=DI)

ECO

(See Fig. 3)

DxA=CLS

DxA=OPN

3.2 DEFROST START

Manual Timed (DFM=TIM) Optimized (DFM=FRO) Remote (DxO=RDS)

DFT hours T2 < 0°C

for DFT hours

DxA=CLS

DxA=OPN

Synchronized (D3O=DSY)

- - -

+ + +

27 27 27

BD1-28 BD1-28 BD1-28

28 28 28

DI3 DI3 DI3

Start and end are synchronized

among connected BD1-28

3.3 DEFROST TERMINATION

Time limit Survey of 1 evaporator before time limit Survey of 2 evaporators before time limit

DTO minutes

T2 ≥ DLI

DTO minutes

T2 and T3 ≥ DLI

Resuming thermostatic cycle. When defrost is over, if is greater than 0, all outputs will remain off for minutes, in order for the ice to melt DRN DRN

completely and the resulting water to drain. Moreover, if probe T2 is active ( =YES), the fans will re-start when the evaporator gets to a temperature lower T2

than FDD; Vice versa, if probe T2 is not active ( =NO) or after defrost has come to an end, such condition does not occur by end of the time , after T2 FTO FTO

minutes have elapsed the fans will be switched on anyway.

Caution: if =NON or =HEA all defrost functions are inhibited; if =0, automatic defrost functions are excluded. During defrost, high temperature DFM C-H DFT

alarm is bypassed.

4. CONFIGURATION PARAMETERS

Access / Navigation / Modication

PAR RANGE DESCRIPTION

SPL -50..SPH Minimum limit for SP setting (-25°C).

SPH SPL...110° Maximum limit for SP setting .(20°C)

SP SPL... SPH Setpoint (value to be maintained in the room) (1°C).

C-H REF; HEA Refrigerating (REF) or Heating (HEA) control mode .(REF)

HY0 1...10° Thermostat OFF -> ON differential .(3.0°C)

Display value

Exit

Visualize value

Increase or decrease value

Next or previous parameter

Exit

BD1-28 INSTRUCTIONS FOR USE

= Click = Click and Hold

6. TECHNICAL DATA

Power Supply

BD1-28.…W 100-240Vac ±10%, 50/60Hz, 3W

Relay Output Max Loads (240Vac)

Model

Output BD1-28..S..-. BD1-28..Q..-.

Compressor 16A resistive

12 FLA 72 LRA

12A resistive

12 FLA 72 LRA

Evap. Fan 16A resistive

3.6 FLA 21.6 LRA

12A resistive

3.6 FLA 21.6 LRA

Defrost 16A resistive

3.6 FLA 21.6 LRA

12A resistive

3.6 FLA 21.6 LRA

Auxiliary loads 1 7A resistive

1 FLA 4 LRA

7A resistive

1 FLA 4 LRA

Auxiliary loads 2 7A resistive

1 FLA 4 LRA

7A resistive

1 FLA 4 LRA

Input

NTC 10KΩ@25°C Intermatic Part No. SN4...

Measurement Range

-50…110°C, -58…180°F

-50 / -9.9 … 9.9 / 110°C

Measurement Accuracy

<0.5°C within the measurement range

Operating Conditions

-10 … +50°C; 15%...80% r.H.

Pollution degree 2

Approvals and Reference Norms

- RoHS 2011/65/UE

- EN50082-1; EN55022 (Class B);

- EN60730-1; EN60730-2-9;

- UL60730-1, File SA32385

7777 Winn Road

Spring Grove, IL 60081

Intermatic Customer Service:

815-675-7000

www.intermatic.com

INSTRUCTIONS FOR USE

BD1-28

158--01986

INSTRUCTIONS FOR USE

BD1-28

Thank you for having chosen an Intermatic electronic product. Before installing the instrument, please read this instruction booklet carefully in order to

ensure safe installation and optimum performance.