Calorex 29 Series, Owners & Installation Manual

Page: 15 / 136

Page 15
RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP (1Ø)
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)
L
N
5
6
9
10
SOFT START
INTERLOCK
CALOREX
HEAT PUMP
SINGLE PHASE
L
N
SINGLE PHASE
13 AMP SUPPLY 230v
FUSED TO SUIT
WATER PUMP
N L
SWITCHED FUSE ISOLATOR WITHIN
2m OF HEAT PUMP AND SIZED IN
ACCORDANCE WITH DATA SHEET
WATER PUMP
MAXIMIUM 3/4 HP
SINGLE PHASE
RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP(1Ø)
WITH SINGLE PHASE WATER PUMP OF LARGER THAN ¾ H.P.
L
N
5
6
9
10
SOFT START
INTERLOCK
CALOREX
HEAT PUMP
SINGLE PHASE
L
N
N L
SWITCHED FUSE ISOLATOR WITHIN
2m OF HEAT PUMP AND SIZED IN
ACCORDANCE WITH DATA SHEET
WATER PUMP
MORE THAN 3/4 HP
SINGLE PHASE
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
VOLT FREE
AUXILLARY
CONTACT N/O
FIGURE 9
FIGURE 10