Calorex Pro-Pac Series Owners & Installation Manual page 16

PR0-PAC SYSTEM OWNER INSTALLATION MANUAL
Pro-Pac 45BM THREE PHASE (400V 3 N~ 50Hz)
FAN CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
5 6 (N/C)
3 4 (N/C)
1 2 (N/C)
COMP CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
5
3
1
DELAY
TIMER 2
RELAY (R2)
DEFROST
STAT
(BREAKS TO 'H' ON
TEMP FALLING)
OUT 1
[RUN] (N/O) 2
[STANDBY] (N/C) 3
WATER FLOW SWITCH
SOFT START
THERMAL O/LOAD
& FAULT LIGHT IF
FITTED
STARTER OR
EXTERNAL
FLOW SWITCH
LP SWITCH
(BREAKS TO H ON
PRESSURE FALLING)
HP SWITCH
(BREAKS TO L ON
PRESSURE RISING)
FAN THERMAL
CUT OUT
COMPRESSOR
MOTOR
PROTECTOR
FAN MCB AUX BLOCK : ALARM
TRIP = BREAK CONTACT
COMPRESSOR MCB AUX BLOCK : ALARM
TRIP = BREAK CONTACT
5
3
1
CONTROL CIRCUIT
BREAKER
TRIP / OFF = BREAK CONTACT
L3 L2 L1
16
CONTACTOR
5 6 (N/O)
3 4 (N/O)
FAN
1 2 (N/O)
A1 A2
CONTACTOR
6 (N/C)
(W1)
5 6 (N/O)
4 (N/C)
3 4 (N/O) (V1)
COMP
2 (N/C)
1 2 (N/O) (U1)
A1 A2
21 22
COMP AUX
HEATER
(NC)
LIQUID LINE SHUT OFF VALVE
63 64
COMP AUX
(NO)
11 (N/O) A2
14 A1
(COM)
DELAY TIMER 1
12 HOUR
(COM) 15 18 (N/O)
A1 A2
(N/C)
(N/O)
L
H
DEFROST
LIGHT
C
(COM)
SMART CLOCK
FEED TERMINALS
9 8
(N/O) (N/C)
4 5
10 11
DIG STAT 1 STAGE
MAKES 6 TO 4 ON TEMP FALLING
6
(COM)
STANDBY
1 (COM) SWITCH
FLOW OK LIGHT
(N/O) 4
(COM) 7
(N/O)
1 (N/C)
A B
RELAY (R1)
(N/C) L H (N/O)
C (COM)
(N/O) L H (N/C)
FAULT LIGHT
C (COM)
TB
(N/C)
TB
(N/C)
96
(N/C)
95
96
(N/C)
95
MAINS LIGHT
14 (N/O)
L3
6 (N/C)
4 (N/C) L2
2 (N/C) L1
11 (COM)
PHASE
ROTATION RELAY
MCB SETTINGS
CONTROL COMPRESSOR
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
SENSOR
NEUTRAL
FAN
1.1A
SD566252 ISSUE 51