Calorex Pro-Pac PPT45EHC - Page 22

dxf from d558750s2
D558750
COMPRESSOR 2
MCB AUX BLOCK
TRIP / OFF = BREAK
CONTACT
COMPRESSOR 2 MCB AUX BLOCK
TRIP= BREAK CONTACT
CONTROL
CIRCUIT BREAKER
PHASE
ROTATION
RELAY
FAN
2
COMP
1
HEATER COMP 1
12 HOURS
DELAY TIMER (1)
MAINS LIGHT
L3 L2 L1
NEUTRAL
STARTER OR
EXTERNAL FLOW SWITCH
INTERLOCK
TERMINALS
SOFT START THERMAL O/LOAD
& FAULT LIGHT IF FITTED
WATER FLOW SWITCH
RELAY (R3)
CHILL
LIGHT
RELAY
(R1)
RELAY (R5)
DELAY TIMER (2)
(6 MINS)
RELAY (R4)
RELAY (R7)
STANDBY
SWITCH
RELAY (R6)
FRIDGE CIRCUIT 1
REVERSING VALVE
DIGITAL
STAT
(2 STAGE)
MAKES 7 TO 8 ON TEMP RISING
MAKES 4 TO 6 ON TEMP FALLING
FAN 1 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
FAN
1
FAN 1 CONTACTOR
CONTACTOR
COMP 2
CONTACTOR
COMP 1
DELAY TIMER (3)
(7 MINS)
FRIDGE
CIRCUIT 2
DEFROST STAT
COMP 1
CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
COMP 2
CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
VALVE,COIL
(LIQUID LINE SHUT OFF)
FRIDGE CIRCUIT 1
VALVE,COIL
(LIQUID LINE SHUT OFF)
FRIDGE CIRCUIT 2
FAN 1 MCB AUX
BLOCK : ALARM TRIP= BREAK CONTACT
FAN 1 THERMAL
CUT OUT
FAN 2 THERMAL
CUT OUT
FAN 2 MCB AUX
BLOCK : ALARM. TRIP= BREAK CONTACT
SENSOR
CHILL LIMIT PRESSURE
SWITCHES
(BREAK TO 'H' ON TEMP
FALLING)
FRIDGE CIRCUIT 1
COMPRESSOR 1
MCB AUX BLK
TRIP = BREAK CONTACT
COMPRESSOR 1
MCB AUX BLK
TRIP = BREAK CONTACT
HP SWITCH
(BREAKS TO 'L'
ON PRESSURE RISING)
COMP 1 MOTOR
PROTECTOR
LP SWITCH
(BREAKS TO 'H'
ON PRESSURE FALLING)
COMP 2 MOTOR
PROTECTOR
LP SWITCH
(BREAKS TO 'H'
ON PRESSURE FALLING)
HP SWITCH
(BREAKS TO 'L' ON
PRESSURE RISING)
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
FAULT
LIGHT
FLOW OK LAMP
TEMP OK
LIGHT
CHILL LIMIT
LIGHT
HEAT
LIGHT
DEFROST
LIGHT
FAULT LIGHT
FAULT LIGHT
1
14 (N/O)
96
(N/C) 95
96
(N/C) 95
TB
TB
(N/C) TB
(N/C) TB
(COM) 1
RUN (N/O) 2
3 (N/C)
STANDBY
6
(COM)
1 (L)(N) 2
(N/O) 4
(N/C) 5
5
TRIP / OFF = BREAK CONTACT
1 3
2 (N/C) 4 (N/C) 6 (N/C)
L1 L2 L3
11 (COM)
12
(N/C)
AB
4 (N/O)
1 (N/C)
6 (N/O)
3 (N/C)
10 11
(COM) 7
(COM) 9
(COM) C (N/O) H L (N/C)
(BREAKS TO 'H' ON
AB
(N/C) 1
(N/O) 4 7 (COM)
B
B
1 (N/C)
4 (N/O)
(COM) 7
3 (N/C)
6 (N/O)
(COM) 97 (COM)
(N/O) 4
(N/C) 1
(COM) C
(N/O) H L (N/C)
A
A
TEMPERATURE FALLING)
(BREAKS TO 'H' ON
TEMPERATURE FALLING)
1 (N/C)
(COM) 7 4 (N/O)
54
(N/C) 53
15 (COM)
18 (N/O)
16 (N/C)
A2A1
A1A2
A1 A2 (COM) 9
54 53 (N/C)
3 (N/C)
6 (N/O)
15 (COM)
16 (N/C)
18 (N/O)
A1A2
95
(N/C) 96
(COM) C (N/O) L H (N/C)
(COM) C (N/O) H L (N/C)
AB 15 (COM)
18 (N/O)
16 (N/C)
A1A2
1
3
5
(N/C) 2
(N/C) 4
(N/C) 6
1
3
5
(N/O) 2
(N/O) 4
(N/O) 6
A2A1
1
3
5
1
3
5
(N/O) 2
(N/O) 4
(N/O) 6
A2A1
1
3
5
(N/C) 2
(N/C) 4
(N/C) 6
1
3
5
(N/O) 2
(N/O) 4
(N/O) 6
21 (AUX)(N/C) 22
1
3
5
(N/C) 2
(N/C) 4
(N/C) 6
1
3
5
(N/O) 2
(N/O) 4
(N/O) 6
21 (AUX)(N/C) 22
7 6
95 96 (N/C)
C (COM) L (N/O)
C (COM)
H (N/O)
H (N/C)
L (N/C)
U
V
W
U
V
W
63 (AUX)(N/O) 64
BREAKS ON WATER
FLOW RATE FALLING
(N/C) 1
(N/O) 4 7 (COM)
AB
7 (COM)(N/O) 8
(N/C) 9
(COM) C (N/O) H
L
(N/C)
(COM) C (N/O) H
L
(N/C)
6 (N/O)
9 (COM)
3 (N/C)
AB
(N/C)
4 (N/O)
7 (COM)
1 (N/C)
(N/C) (N/C)
9 8
OUT 1OUT 2
63 (AUX)(N/O) 64
CONTROL
2.5A
MCB SETTINGS
FANS 1 & 2
1.1A
COMPRESSORS 1 & 2
23.6A
FRIDGE CIRCUIT 2
REVERSING VALVE
COMP
2
HEATER COMP 2
FAN 2 CONTACTOR
FRIDGE CIRCUIT 2
FAN 2 CIRCUIT BREAKER
TRIP / OFF = BREAK CONTACT
RELAY (R2)
CONTACTOR
COMP 1
CONTACTOR
COMP 2
2
FRIDGE
CIRCUIT 1
DEFROST STAT
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.
FRIDGE CIRCUIT 1
FRIDGE CIRCUIT 2
(N/C) 2
(N/C) 4
(N/C) 6
PP90BHC THREE PHASE (400V 3 N~ 50Hz)
22
SD566250 ISSUE 35
PR0-PAC SYSTEM OWNER INSTALLATION MANUAL