Calorex Pro-Pac 45 - Page 18

CONTROL
2.5A
MCB SETTINGS
COMPRESSOR FAN
2.2A36.8A
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
TRIP / OFF = BREAK CONTACT
CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
CIRCUIT BREAKER
11 (N/O)
14 (COM)
(N/C)
(COM)
C
L
(N/O)
H
(BREAKS TO 'H'
ON TEMP
FALLING)
(L) (N)
FAN MCB AUX
BLOCK : ALARM
TRIP = BREAK CONTACT
COMPRESSOR MCB
AUX BLOCK : ALARM
TRIP = BREAK CONTACT
LIQUID LINE SHUT OFF VALVE
6 (N/O)
4 (N/O)
2 (N/O)
5
3
1
6 (N/C)
4 (N/C)
2 (N/C)
5
3
1
6 (N/O)
4 (N/O)
2 (N/O)
5
3
1
6 (N/C)
4 (N/C)
2 (N/C)
5
3
1
6 (N/O)
4 (N/O)
2 (N/O)
5
3
1
(N/O)(COM)
(N/O)
(COM)
(N/C)
5
(N/O)
(N/O)
H (N/O)
(N/O) L
H (N/C)
12 (N/C)
A2
A2
A1
A1
2221
(N/C)
TB
TB
FAN THERMAL
CUT OUT
95
96
CONTROL
MAINS LIGHT
L3 L2
L1
CIRCUIT BREAKER
L1
L2
L3
11 (COM)
14 (N/O)
PHASE
ROTATION RELAY
SWITCH
STARTER
OR
INTERLOCK
TERMINALS
FLOW
THERMAL
O/LOAD &
LIGHT IF
FITTED
FAULT
EXTERNAL
SOFT START
LP SWITCH
(BREAKS TO H ON
PRESSURE FALLING)
43
44
C (COM)
C (COM)
(N/C) L
FAULT LIGHT
1
10
11
6
SENSOR
4
OUT 1
DIG STAT 1 STAGE
MAKES 6 TO 4 ON TEMP FALLING
9
8
SMART CLOCK
2
FEED TERMINALS
NEUTRAL
A1
A2
RELAY (R2)
DEFROST
STAT
DEFROST
LIGHT
FAN
CONTACTOR
COMP
(U1)
(V1)
(W1)
HEATER
(NC)
COMP AUX
CONTACTOR
DELAY TIMER 2
12 HOUR
DELAY TIMER 1
A1
A2
15 18
HP SWITCH
(BREAKS TO L ON
PRESSURE RISING)
(N/O)
WATER FLOW
SWITCH
A B
RELAY (R1)
FLOW OK LIGHT
1 (COM)
[STANDBY] (N/C) 3
[RUN] (N/O) 2
STANDBY
SWITCH
(N/O) 4
1 (N/C)
(COM) 7
1413
(NO)
COMP AUX
Pro-Pac 70BM THREE PHASE (400V 3N~ 50Hz)
18
SD566252 ISSUE 51
PR0-PAC SYSTEM OWNER INSTALLATION MANUAL