Calorex AW631 Owners & Installation Manual page 17

RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP (1Ø or 3Ø)
WITH SINGLE PHASE WATER PUMP OF MAXIMUM ¾ H. P
(NOTE: Method shown in Fig 9. is a preferred system due to incorporated starter and interlock)
SINGLE PHASE
13 AMP SUPPLY 230v
FUSED TO SUIT
WATER PUMP
L
N
RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP(1Ø or 3Ø)
WITH SINGLE PHASE WATER PUMP OF LARGER THAN ¾ H.P.
SINGLE PHASE
SUPPLY TO SUIT
CAPACITY OF
WATER PUMP
L N
VOLT FREE
AUXILLARY
CONTACT N/O
L
L N
4 POLE N/O STARTER WITH
OVERLOAD AND 230v 50Hz COIL
RATED TO SUIT WATER PUMP
N L
N
L
WATER PUMP
N
MORE THAN 3/4 HP
SINGLE PHASE
FIGURE 9
SWITCHED FUSE ISOLATOR
WITHIN
2m OF HEAT PUMP AND SIZED IN
ACCORDANCE WITH DATA SHEET
N L
L
N
5
INTERLOCK
6
9
10
WATER PUMP
MAXIMIUM 3/4 HP
SOFT START
SINGLE PHASE
FIGURE 10
SWITCHED FUSE ISOLATOR WITHIN
2m OF HEAT PUMP AND SIZED IN
ACCORDANCE WITH DATA SHEET
N L
L
N
5
INTERLOCK
6
9
10
SOFT START
Page 15
L1
L2
L3
N
CALOREX
HEAT PUMP
5
SINGLE PHASE
INTERLOCK
6
9
10
SOFT
START
CALOREX
HEAT PUMP
SINGLE PHASE
INTERLOCK
SOFT START
CALOREX
HEAT PUMP
THREE PHASE
L1
L2
L3
N
CALOREX
HEAT PUMP
5
THREE PHASE
6
9
10