Calorex Pro-Pac Series Owners & Installation Manual page 18

PR0-PAC SYSTEM OWNER INSTALLATION MANUAL
Pro-Pac 70BM THREE PHASE (400V 3N~ 50Hz)
CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
5
6 (N/C)
3 4 (N/C)
1
2 (N/C)
CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
5
6 (N/C)
3 4 (N/C)
1 2 (N/C)
DELAY TIMER 2
RELAY (R2)
(N/C)
(N/O)
L
DEFROST
C
(COM)
STAT
(BREAKS TO 'H'
ON TEMP
FALLING)
(N/O)
4
(L) (N)
OUT 1
1 2
6
(COM)
[RUN] (N/O) 2
[STANDBY] (N/C) 3
(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
(BREAKS TO L ON
PRESSURE RISING)
FAN THERMAL
CUT OUT
FAN MCB AUX
BLOCK : ALARM
TRIP = BREAK CONTACT
COMPRESSOR MCB
AUX BLOCK : ALARM
TRIP = BREAK CONTACT
6 (N/O)
5
3 4 (N/O)
1 2 (N/O)
CONTROL
L3 L2 L1
CIRCUIT BREAKER
18
CONTACTOR
5 6 (N/O)
3 4 (N/O)
FAN
1
2 (N/O)
A1 A2
CONTACTOR
(W1)
5 6 (N/O)
(V1)
3 4 (N/O)
COMP
1 2 (N/O) (U1)
A1 A2
21 22
COMP AUX
HEATER
(NC)
LIQUID LINE SHUT OFF VALVE
13 14
COMP AUX
(NO)
A2
A1
DELAY TIMER 1
12 HOUR
(COM) 15 18 (N/O)
A1 A2
H
DEFROST
LIGHT
SMART CLOCK
FEED TERMINALS
8
9
(N/C)
5 10
SENSOR
DIG STAT 1 STAGE
11
MAKES 6 TO 4 ON TEMP FALLING
STANDBY
1 (COM)
SWITCH
FLOW OK LIGHT
(N/O) 4
(COM) 7
1 (N/C)
A B
RELAY (R1)
INTERLOCK
TERMINALS
H (N/O)
C (COM)
FAULT LIGHT
(N/O) L H (N/C)
C (COM)
TB
(N/C)
TB
96
(N/O)
95
44
(N/O)
43
MAINS LIGHT
12 (N/C)
14 (N/O)
L3
L2
L1 11 (COM)
PHASE
NEUTRAL
ROTATION RELAY
MCB SETTINGS
CONTROL
COMPRESSOR
2.5A
36.8A
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
FAN
2.2A
SD566252 ISSUE 51