Calorex Pro-Pac Series Owners & Installation Manual page 22

PR0-PAC SYSTEM OWNER INSTALLATION MANUAL
COMP
CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
5 6 (N/C)
3 4 (N/C)
1 2 (N/C)
DELAY TIMER 1
(12 HOUR)
A1 A2
RELAY (R2)
18 (N/O)
(COM) 15
A1
16 (N/C)
14
[RUN] (N/O) 2
STANDBY
SWITCH
(COM) 1
(N/O) 4
(COM) 7
SOFT START
THERMAL O/LOAD &
FAULT LAMP 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
COMP
CONTACTOR
AUX BLOCK
63 64 (N/O) (COM) 1
5 6 (N/C)
3 4 (N/C)
1 2 (N/C)
FAN CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
L3
5 6 (N/C)
L2
3 4 (N/C)
L1
1 2 (N/C)
CONTROL CIRCUIT
BREAKER
TRIP / OFF = BREAK CONTACT
L3 L2 L1
22
Pro-Pac 45BMY THREE PHASE (400V 3 N~ 50Hz)
COMPRESSOR
CONTACTOR
5 6 (N/O)
3 4 (N/O)
1 2 (N/O)
21 22 (N/C)
A2
(N/O)
A1 A2
11 (N/O)
DELAY TIMER 2
9
SMART CLOCK
FEED TERMINALS
10
OUT 1 MAKES 4 TO 6 ON TEMP FALLING
11
DIGITAL STAT (1 STAGE)
3 (N/C) [STANDBY]
WATER FLOW OK LIGHT
1
B
(N/C)
RELAY (R1)
A
WATER FLOW SWITCH
(N/O)
(N/C) L H (N/O)
C (COM)
(N/O)
L H (N/C)
FAULT
LIGHT
C (COM)
TB
(NC)
TB
(N/C)
96
(N/C)
95
96
(N/C)
95
LIQUID LINE SHUT OFF VALVE
2
(N)
REVERSING VALVE
DEFROST LIGHT
3 (N/O)
4 (N/C)
A1 A2
5 6 (N/O)
3 4 (N/O)
1 2 (N/O)
FAN CONTACTOR
12 (N/C)
11 (COM)
PHASE
ROTATION
MAINS LIGHT
RELAY
(W1)
(V1)
COMP
(U1)
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
HEATER 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
8
SENSOR
FAN
NEUTRAL
MCB SETTINGS
CONTROL COMPRESSOR FAN
2.5A 23.8A 1.1A
SD566252 ISSUE 51