Calorex PPT12 - Page 22

Page 19
Calorex Heat Pumps Ltd. · The Causeway, Maldon, Essex CM9 4XD, UK
Technical Manual
PPT8/12/16/22LX/LY SLIMLINE
SD638160 ISSUE 22d
®
PPT12/16/22 BLX/BLY THREE PHASE 400V~3N 50Hz
MODEL
MCB SETTING
2.0A
2.0A
PPT12BLX/BLY
PPT16BLX/BLY
PPT22BLX/BLY
2.0A
1
4
REMOTE ON/OFF
INTERLOCK
1415
(WATER TEMP)
2
9
21
20
19
18
13
14
17
15
16
(DEFROST)
SENSOR
10
N/O
N/O
N/C
COM
COM
COM
COM
N/O
OUT2
OUT4
N/O
POOL STAT
10
12
OUT3
OUT1
L3
NEUTRAL
12
13
COMPRESSOR
SOFT
START
SOFT START
THERMAL
OVERLOAD
& FAULT
LIGHT
IF
FITTED
IF FITTED
HP SWITCH
LP SWITCH
BREAKS
ON
PRESSURE
FALLING
BREAKS
ON
PRESSURE
RISING
L
C
H
C
(N/C)
(N/C)
SENSOR
A1
A2
FAN
VOLT FREE
POOL PUMP RUN
MAX 3A (1/2 HP)
19
18
CONTACTOR
3
5
4
6
(N/O)
(N/O)
1
2
(N/O)
11
22
3
SOLENOID / REVERSING VALVE
DIGITAL INPUTS
di1
di2
di4
di3
com
CONTROL
CIRCUIT
BREAKER
PHASE
ROTATION RELAY
5
3
1
6 (N/C)
4 (N/C)
2 (N/C)
L3
L2
L1
14 (N/O)
12 (N/C)
11 (COM)
L2 L1
T1
T2
T3
11
23
(L)
24
(N)
SUPPLY
FLOW SWITCH
CLOSE ON FLOW
SOLENOID VALVE B
PPT22BLX ONLY