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LOCATION OF MAINS INPUT AND EXTERNAL INTERLOCK TERMINALS
1 2
3
4
5 6 7 8 9
SOFT
START
N
L1
L2
L3
D209450 ISS 1
*OUTSIDE FAULT CIRCUIT
(ONLY ON Y MACHINES
WITHOUT TITANIUM
CONDENSERS)
Interlock
All units have interlock circuit incorporated in control circuit, brought out
to two terminals. These terminals are shorted out for factory testing.
RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP WITH SINGLE
The interlock may be used to control the heat pump from a remote
location or a built in flow switch.
On site shorting loop is to be removed and two wires taken to pair of
volt free contacts in water pump starter/contactor/relay or flow switch
so that the heat pump cannot operate unless water pump is operating
(see figs 5 and 6).
SINGLE PHASE
SUPPLY TO SUIT
CAPACITY OF WATER
PUMP
L
N
L
N
N
SD566252 ISSUE 51
All manuals and user guides at all-guides.com
SMART
FLOW
*INTER
CLOCK
SWITCH
LOCK
MAINS SUPPLY IN
PHASE WATER PUMP
SWITCHED FUSE ISOLATOR
WITHIN 2m OF HEAT PUMP AND
SIZED IN ACCORDANCE WITH
L
4 POLE N/O STARTER WITH
OVERLOAD AND 230V 50Hz COIL
RATED TO SUIT WATER PUMP
L
N
L
N
WATER PUMP MORE THAN
¾ HP SINGLE PHASE
Fig. 4
0
1
1
2
N
L1
L2
L3
D209450 ISS 1
Fig. 5
DATASHEET
CALOREX HEAT PUMP
THREE PHASE
1
2
N
REMOVE SERVICE PANEL
(1/4 TURN FASTENERS)
3
4
5
6
7
8
9
10
11
L1 L2 L3
13
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