Circuit Diagrams - Calorex PPT16 BHC Owners & Installation Manual

6.0 CIRCUIT DIAGRAMS

PPT16/22 BHC THREE PHASE 400V~3N 50HZ
DEFROST
STAT
CHILL LIMIT SWITCH
BREAKS TO 'H' ON FALLING
PRESSURE OR
TEMPERATURE
POOL/WATER
2 STAGE STAT
(SHOWN IN HEAT
MODE)
INTERLOCK
TERMINALS
FLOW SWITCH
SMART CLOCK
FEED TERMINALS
SOFT START
THERMAL
OVERLOAD &
FAULT LIGHT
LP SWITCH
BREAKS TO 'H' ON
PRESSURE FALLING
HP SWITCH
BREAKS TO 'L' ON
PRESSURE RISING
3A
FAN FUSE
3A
CONTROL FUSES
L1 L2 L3
SD6381652 ISSUE 4
1
3
5
DELAY TIMER
A2
CONTACTOR
(N/C) L H (N/O)
C (COM)
B
RELAY 1
A
H
(N/O)
C (COM)
5
6
7
8
9
N
L
10
13
FAULT LIGHT
14
(N/C) L H (N/O)
C (COM)
(N/O) L H (N/C)
MAINS SWITCH
C (COM)
(N/O) 3
MAINS LIGHT
L3
L2
11 (COM)
L1
PHASE ROTATION RELAY
SOFT START
2 (N/O) U
4 (N/O)
V
COMPRESSOR
6 (N/O) W
A1
SHUT OFF VALVE
(CHILL LIMIT FAULT)
DEFROST LIGHT
REVERSING VALVE
MODEL
PPT16BHC
PPT22BHC
FAN
U1 U2
TERM'L TERM'L
BLOCK
BLOCK
11 12
A
RELAY 2
B
POOL STAT
2
SENSOR
CRANKCASE
HEATER
NEUTRAL
FUSE RATINGS
FAN FUSE CONTROL FUSES
3A 3A
3A 3A
17