Calorex Pro-Pac Series Owners & Installation Manual page 19

Pro-Pac 90BM THREE PHASE (400V 3 N~ 50Hz)
N
MAINS LIGHT
SMART CLOCK
FEED TERMINALS
(N) 8 9 (L)
FLOW OK LIGHT
COMPRESSOR 1
CONTACTOR
A2 A1
DEFROST LIGHT
COMPRESSOR 2
CONTACTOR
A2 A1
FRIDGE CCT 1
VALVE COIL
(LIQUID LINE SHUT OFF)
FRIDGE CCT 2
VALVE COIL
(LIQUID LINE SHUT OFF)
SD566252 ISSUE 51
MCB SETTINGS
CONTROL
COMPRESSORS
2.5A 23.8A
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
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
(N) 2 1 (L)
(N/O) 4 6 (COM) (N/O) 4
(N/C) 1
(N/C) 5
STANDBY
SWITCH
B A
RELAY (R6)
RELAY (R1)
B A
DELAY TIMER (2)
(6 MINS)
A2 A1
COMP 1 MCB AUX BLOCK
TRIP / OFF = BREAK CONTACT
18 (N/O)
15 (COM) (COM) 7
16 (N/C)
18 (N/O) 15 (COM) (COM) 9
16 (N/C)
COMP 2 MCB AUX BLOCK
A2 A1 TRIP / OFF = BREAK CONTACT
DELAY TIMER (3)
(7 MINS)
COMPRESSOR 1
CONTACTOR
(N/O) 64 63 (AUX)
COMPRESSOR 1 HEATER
(N/C) 22 21 (AUX)
U1 (N/O) 2 1
V1 (N/O) 4 3
COMP
1
W1 (N/O) 6 5
COMPRESSOR 2
CONTACTOR
(N/O) 64 63 (AUX)
COMPRESSOR 2 HEATER
(N/C) 22 21 (AUX)
U1 (N/O) 2 1
V1 (N/O) 4 3
COMP
2
W1 (N/O) 6 5
FANS
1.1A
INTERLOCK TERMINALS
7 (COM)
DELAY TIMER (1)
(12 HRS)
A2 A1
15
18 (N/O)
(COM)
16 (N/C)
RELAY (R2)
B A
RELAY (R3)
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 (R5)
B A
RELAY (R4)
FAN 1 CONTACTOR
A2 A1
(N/O) 2 1 (N/C) 2
(N/O) 4 3 (N/C) 4
FAN
1
(N/O) 6 5 (N/C) 6
FAN 1 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
FAN 2 CONTACTOR
A2 A1
(N/O) 2 1 (N/C) 2
(N/O) 4 3 (N/C) 4
FAN
2
(N/O) 6 5 (N/C) 6
FAN 2 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
(N/C) 2
(N/C) 4
(N/C) 6
COMPRESSOR 1 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
(N/C) 2
(N/C) 4
(N/C) 6
COMPRESSOR 2 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
L1 L2 L3
12 (N/C)
1
3
5
1
3
5
1
3
5
1
3
5
19