Calorex Pro-Pac Series Owners & Installation Manual page 24

PR0-PAC SYSTEM OWNER INSTALLATION MANUAL
Pro-Pac 70BMY THREE PHASE (400V 3 N~ 50Hz)
COMPRESSOR
CIRCUIT BREAKER
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) 3 (N/C)
2 [STANDBY]
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
FAN MCB
ALARM
COMPRESSOR MCB
ALARM
INTERLOCK
TERMINALS
COMP
CONTACTOR
AUX BLOCK
13 14 (N/O) (COM) 1
5 6 (N/C)
3 4 (N/C)
1 2 (N/C)
FAN CIRCUIT BREAKER
5 6 (N/C) L3
3 4 (N/C) L2
1 2 (N/C) L1
CONTROL CIRCUIT PHASE ROTATION
BREAKER
L3 L2 L1
24
SOFT START
COMPRESSOR
IF FITTED
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 8
SMART CLOCK FEED TERMINALS
10
OUT 1 MAKES 4 TO 6 ON TEMP FALLING
11
DIGITAL STAT (1 STAGE)
WATER FLOW OK LIGHT
B
1 (N/C)
RELAY (R1)
A
WATER FLOW
(N/O) SWITCH
(N/C) L H (N/O)
C (COM)
(N/O) L H (N/C)
FAULT
LIGHT
C (COM)
TB
NC
TB
96 (N/C)
95
44 (N/C)
43
LIQUID LINE SHUT OFF
VALVE
2
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
14 (N/O)
12 (N/C)
11 (COM)
MAINS LIGHT
RELAY
(W1)
(V1)
COMPRESSOR
(U1)
MCB SETTINGS
CONTROL COMPRESSOR
2.5A 39.3A
HEATER
MCB CONTACTS / MCB ALARM CONTACTS / MCB AUX CONTACTS
SHOWN WITH CCT 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 CCT DIAGRAM
ABOVE CONDITIONS APPLY.
SENSOR
FAN
NEUTRAL
FAN
2.2A
SD566252 ISSUE 51