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Les langues disponibles
PR0-PAC SYSTEM OWNER INSTALLATION MANUAL
LOCATION OF MAINS INPUT AND EXTERNAL INTERLOCK TERMINALS
1 2
3
4
5 6 7 8 9
N
L1
L2
L3
D209450 ISS 1
OUTSIDE FAULT CIRCUIT
(ONLY ON Y MACHINES)
INTERLOCK
RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP
These units have an interlock circuit incorporated into the control circuit,
brought out to two terminals. These terminals are shorted out for
factory testing.
On site the shorting loop is to be removed and two wires taken to a
pair of volt free contacts in the water pump starter/contactor/relay or
SINGLE PHASE
flow switch so that the heat pump cannot operate unless the water
SUPPLY TO SUIT
CAPACITY OF
pump is operating. (See figures 5 and 6).
WATER PUMP
L
N
L
N
4 POLE N/O STARTER WITH
OVERLOAD AND 230v 50Hz COIL
RATED TO SUIT WATER PUMP
N
L
L
N
12
MAINS
SUPPLY IN
WITH SINGLE PHASE WATER PUMP
SWITCHED FUSE ISOLATOR WITHIN
2m OF HEAT PUMP AND SIZED IN
ACCORDANCE WITH DATA SHEET
L
N
WATER PUMP
MORE THAN 3/4 HP
SINGLE PHASE
Fig. 4
R1
R2
R3
RUN
WATER TEMP
STANDBY
MAINS
FAULT
DEFROST
HEAT
CHILL
CHILL LIMIT
TEMP OK
N
L1
L2
L3
D209450
ISS 1
Fig. 5
CALOREX
HEAT PUMP
THREE PHASE
5
1
2
3
4
N
L1
L2
L3
REMOVE SERVICE PANEL
(1/4 TURN FASTENERS)
6
8
10
7
9
11
SD566251 ISSUE 36
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