Calorex Pro-Pac Series Owners & Installation Manual page 25

NOTES
MCB CONTACTS / MCB ALARM CONTACTS / MCB AUX CONTACTS SHOWN WITH CIRCUIT
BREAKER MANUALLY SWITCHED TO THE ON CONDITION.
WATER FLOW SWITCH CONTACTS SHOWN WITH WATER FLOW AT MAXIMUM RATE.
FRIDGE CIRCUIT 2
REVERSING VALVE
FRIDGE CIRCUIT 1
REVERSING VALVE
RELAY (R1)
9 (COM)
CHILL LIGHT
7 (COM)
FLOW OK LIGHT
COMPRESSOR 2
DELAY
CONTACTOR
TIMER 4
(10 SEC)
A1 A2
COMPRESSOR 1
(N/O)
CONTACTOR
A1 A2
DEFROST
LIGHT
COMPRESSOR 3
CONTACTOR
A1 A2
COMPRESSOR 4
DELAY
CONTACTOR TIMER 5
(10 SEC)
A1 A2
(N/O)
MCB SETTINGS
CONTROL COMPRESSORS 1 TO 4
2.5A 32.0A
FRIDGE CIRCUIT 1
VALVE,COIL
(LIQUID LINE SHUT OFF)
FRIDGE CIRCUIT 2
VALVE,COIL
(LIQUID LINE SHUT OFF)
SD566250 ISSUE 35
PP140(T)EHC THREE PHASE (200V 3 ~ 60Hz)
(N) 2
(N/O) 8
(N/C) 9
HEAT
B A
LIGHT
6 (N/O)
3 (N/C)
CHILL LIMIT
LIGHT
4 (N/O)
(N/O) 4
1 (N/C)
(N/C) 5
SENSOR
RELAY (R2)
B
DELAY TIMER 2
(6 MINS)
A2 A1
18 (N/O)
15 (COM) (COM) 7
16 (N/C)
18 (N/O) 15 (COM) (COM) 9
16 (N/C)
A2 A1
DELAY TIMER 3
(7 MINS)
FANS 1 AND 2
4.5A
COMP 1
CONTACTOR
COMP 1 HEATER
(N/C) 22
(N/O) 64
U (N/O) 2
COMP
V (N/O) 4
1
W (N/O) 6
COMP 2
CONTACTOR
(N/O) 64
COMP 2 HEATER
(N/C) 22
U (N/O) 2
COMP
V (N/O) 4
2
W (N/O) 6
COMP 3
CONTACTOR
COMP 3 HEATER
(N/C) 22
(N/O) 64
U (N/O) 2
COMP
V (N/O) 4
3
W (N/O) 6
COMP 4
CONTACTOR
(N/O) 64
COMP 4 HEATER
(N/C) 22
U (N/O) 2
COMP
V (N/O) 4
4
W (N/O) 6
ALL OTHER CONTACTS SHOWN IN DE-ENERGISED STATE
BUT WITH REFRIGERATION CIRCUIT FULLY CHARGED.
WHERE CONTACTS ARE MARKED (N/O) OR (N/C) ON
CIRCUIT DIAGRAM ABOVE CONDITIONS APPLY.
1 (L)
7 (COM)
INTERLOCK
TERMINALS
6 (COM) (N/O) 4 7 (COM)
(N/C) 1
B A
RELAY (R3)
DELAY TIMER 1
(12 HOURS)
A2 A1
18 (N/O)
A 15 (COM)
16 (N/C) RELAY (R4)
B A
RELAY (R5)
1 (N/C)
(COM) 7
B A
4 (N/O)
3 (N/C)
4 (N/O) (N/O) 4 7 (COM) (COM) 9
6 (N/O)
1 (N/C) (N/C) 1
(N/C) 1 3 (N/C)
7 (COM) (COM) 9
6 (N/O)
(N/O) 4 6 (N/O)
3 (N/C)
1 (N/C)
(COM) 7
B A
4 (N/O)
RELAY (R6)
B A
RELAY (R7)
FAN 1
CONTACTOR
A1 A2
(N/O) 2 1
FAN
(N/O) 4 3
1
(N/O) 6 5
FAN 2
FAN 1 CIRCUIT BREAKER
CONTACTOR
TRIP / OFF = BREAK CONTACT
A1 A2
(N/O) 2 1
FAN
(N/O) 4 3
2
(N/O) 6 5
FAN 2 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
21 (AUX)
63 (AUX)
1
3
5
COMP 1 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
63 (AUX)
21 (AUX)
1
3
5
COMP 2 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
21 (AUX)
63 (AUX)
1
3
5
COMP 3 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
63 (AUX)
21 (AUX)
1
3
5
COMP 4 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
L1 L2 L3
12 (N/C)
FAULT LIGHT
FAULT 1
LIGHT
2
FAULT
LIGHT
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
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