RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP(1Ø or 3Ø)
WITH THREE PHASE WATER PUMP
Fig. 7
L1
L2
WATER PUMP
THREE PHASE
L1
L2
L3
N
5
6
9
10
SOFT START
INTERLOCK
CALOREX
HEAT PUMP
THREE PHASE
634/834/1234/1222BC/1534BH
THREE PHASE
SUPPLY TO SUIT
CAPACITY OF
WATER PUMP
L3
L3
L3 L2
L
4 POLE N/O STARTER WITH
OVERLOAD AND 230v 50Hz COIL
RATED TO SUIT WATER PUMP
L1
L3
L2
N
L1
N
5
6
9
10
SOFT START
INTERLOCK
CALOREX
HEAT PUMP
SINGLE PHASE
N L
SWITCHED FUSE ISOLATED WITHIN
2m OF HEAT PUMP AND SIZED IN
ACCORDANCE WITH DATA SHEET
L1
L2
L3
N
6
7
8
9
SOFT START
WATER PUMP,
INTERLOCK OR FLOW
SWITCH
CALOREX
HEAT PUMP
THREE PHASE
3034/7034H
10
11
RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP(1Ø or 3Ø)
WITH SINGLE PHASE WATER PUMP OF LARGER THAN ¾ H.P.
Fig. 6
L
N
WATER PUMP
MORE THAN 3/4 HP
SINGLE PHASE
L1
L2
L3
N
5
6
9
10
SOFT START
INTERLOCK
CALOREX
HEAT PUMP
THREE PHASE
634/834/1234/1534BH
SINGLE PHASE
SUPPLY TO SUIT
CAPACITY OF
WATER PUMP
L
N
L
N
L
N L
4 POLE N/O STARTER WITH
OVERLOAD AND 230v 50Hz COIL
RATED TO SUIT WATER PUMP
N
L
N
5
6
9
10
SOFT START
INTERLOCK
CALOREX
HEAT PUMP
SINGLE PHASE
N L
SWITCHED FUSE ISOLATOR WITHIN
2m OF HEAT PUMP AND SIZED IN
ACCORDANCE WITH DATA SHEET
L1
L2
L3
N
6
7
8
9
SOFT START
CALOREX
HEAT PUMP
THREE PHASE
3034/7034H
10
11
WATER PUMP,
INTERLOCK
OR FLOW SWITCH
15
SD331851 ISSUE 28