Calorex Pro-Pac Series Owners & Installation Manual page 23

Pro-Pac 45EMY THREE PHASE (220V 3 ~ 60Hz)
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
MAINS LIGHT
[RUN] (N/O) 2
[STANDBY] (N/C) 3
(COM) 7
(N/O)
WATER FLOW
SWITCH
SOFT
START
THERMAL
O/LOAD &
FAULT
LIGHT IF
FITTED
STARTER
OR
EXTERNAL
FLOW
SWITCH
(N/C) L
LP SWITCH
(BREAKS TO H ON
PRESSURE FALLING)
HP SWITCH (N/O) L
(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
14
13 (N/O) (COM) 1
5 6 (N/C)
3 4 (N/C)
1 2 (N/C)
FAN CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
5 6 (N/C)
4 (N/C)
3
1 2 (N/C)
CONTROL CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
L3 L2 L1
SD566252 ISSUE 51
CONTACTOR
5 6 (N/O) (W1)
3 4 (N/O) (V1)
1 2 (N/O) (U1)
21 22 (N/C)
A2
(N/O)
A1 A2
11 (N/O)
DELAY TIMER
2
8
SMART CLOCK
FEED TERMINALS
10
OUT
1 MAKES 4 TO 6 ON TEMP FALLING
11
DIGITAL STAT (1 STAGE)
STANDBY
1 (COM) SWITCH
FLOW OK LIGHT
(N/O) 4
1 (N/C)
A B
RELAY (R1)
INTERLOCK
TERMINALS
H (N/O)
C (COM)
FAULT LIGHT
H (N/C)
C
(COM)
TK
(N/C)
TK
(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)
CONTACTOR
L3
12 (N/C)
L2
L1 11 (COM)
PHASE
ROTATION
RELAY
COMP
HEATER
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
7
SENSOR
FAN
MCB SETTINGS
COMPRESSOR
CONTROL FAN
2.5A 46.8A 3.3A
23