Calorex Pro-Pac Series Owners & Installation Manual page 24

PR0-PAC SYSTEM OWNER INSTALLATION MANUAL
MCB CONTACTS / MCB ALARM CONTACTS / MCB AUX CONTACTS SHOWN WITH
CIRCUIT BREAKER MANUALLY SWITCHED TO THE ON CONDITION
NEUTRAL
WATER FLOW SWITCH CONTACTS SHOWN WITH WATER FLOW AT MAXIMUM RATE.
MAINS LIGHT
FRIDGE CIRCUIT 1
REVERSING VALVE
CHILL LIGHT
FLOW OK LIGHT
COMPRESSOR 2
CONTACTOR
A1 A2
COMPRESSOR 1
CONTACTOR
A1 A2
DEFROST
LIGHT
COMPRESSOR 3
CONTACTOR
A1 A2
COMPRESSOR 4
TIMER 5
CONTACTOR
A1 A2
MCB SETTINGS
CONTROL COMPRESSORS 1 TO 4
2.5A
FRIDGE CCT 1
VALVE,COIL
(LIQUID LINE SHUT OFF)
FRIDGE CCT 2
VALVE,COIL
(LIQUID LINE SHUT OFF)
24
PP140(T)BHC THREE PHASE (400V 3 N~ 50Hz)
(N) 2
FRIDGE CIRCUIT 2
REVERSING VALVE
(N/O) 8
(N/C) 9
RELAY (R1)
B A
9 (COM)
6 (N/O)
3 (N/C)
CHILL LIMIT
LIGHT
7 (COM)
4 (N/O)
(N/O) 4
1 (N/C)
(N/C) 5
TEMP
OK
LIGHT
RELAY (R2)
B
DELAY
TIMER 2
(6 MINS)
A2 A1
DELAY
TIMER 4
(10 SEC)
(N/O)
18 (N/O) 15 (COM) (COM) 7
16 (N/C)
18 (N/O)
15 (COM) (COM) 9
DELAY 16 (N/C)
(10 SEC)
(N/O)
A2 A1
DELAYTIMER 3
(7 MINS)
FANS 1 AND 2
23.8A 2.8A
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
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
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)
6 (COM) (N/O) 4 7 (COM)
(N/C) 1
SENSOR
B A
RELAY (R3)
DELAY TIMER 1
(12 HOURS)
A2 A1
A 18 (N/O) 15 (COM)
16 (N/C) RELAY (R4)
B A
RELAY (R5)
1 (N/C)
(COM) 7
B A
4 (N/O)
(COM)
3 (N/C)
4 (N/O) (N/O) 4 7 (COM) 9
6 (N/O)
1 (N/C) (N/C) 1
(N/C) 1 3 (N/C)
6 (N/O) 7 (COM) (COM) 9
(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
CONTACTOR
A1 A2
(N/O) 2 1
FAN
(N/O) 4 3
2
(N/O) 6 5
21 (AUX)
63 (AUX)
1
3
5
COMP 2
63 (AUX)
21 (AUX)
1
3
5
21 (AUX)
63 (AUX)
1
3
5
COMP 4
63 (AUX)
21 (AUX)
1
3
5
12
(N/C)
INTERLOCK
TERMINALS
FAULT LIGHT
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
FAN 1 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
FAN 2 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
COMP 1 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
COMP 2 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
COMP 3 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
(N/C) 2 1
(N/C) 4 3
(N/C) 6 5
COMP 4 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
SD566250 ISSUE 35