1
4
12
2
21
20
14
15
COM
COM
COM
COM
OUT2
OUT4
STAT
10
12
OUT1
L1
NEUTRAL
10
COMPRESSOR
R
S
C
SOFT
START
IF
FITTED
SOFT START
THERMAL
OVERLOAD
& FAULT
LIGHT
IF FITTED
HP SWITCH
LP SWITCH
BREAKS ON
PRESSURE
FALLING
BREAKS ON
PRESSURE
RISING
C
L
C
L
SENSOR
A1
A2
FAN
VOLT FREE PUMP RUN MAX 3AMPS
15
COMPRESSOR
4
2
CONTACTOR
1
4
2
5
24
(N)
22
DIGITAL INPUTS
COMPRESSOR
11
FLOW SWITCH
CHILL
LIMIT
SWITCH
FALLING
H
C
L2
1
3
5
2
4
6
L1 L2 L3
11
COM
14
N/O
PHASE
ROTATION
RELAY
CONTROL
CIRCUIT
BREAKER
14
CRANK CASE HEATER
6
6
di3
3
com
9
di4
di1
di2
(WATER TEMP)
O/LOAD ALARM
BREAKS ON
PRESSURE
OUT3
SUPPLY
N/O
N/O
N/O
N/C
3
13
O/LOAD
O/LOAD ALARM
96
95
N/C
9
N/O
N/C
N/C
N/C
13
98
97
N/O
N/O
REMOTE ON/OFF
INTERLOCK
13
18
19
23
(L)
N/C
N/O
16
16
17
L3
PP22BC THREE PHASE (400V ~3N 50Hz)
MCB
OVERLOAD SETTINGS
MODEL
PP22BC
CONTROL
2.5A
COMPRESSOR
MODEL
12A
PP22BC
33
SD331852 ISSUE 7
