Calorex 29 Series Owners & Installation Manual page 16

RECOMMENDED ELECTRICAL INSTALLATION FOR CALOREX HEAT PUMP(1Ø)
THREE PHASE
SUPPLY TO SUIT
CAPACITY OF
WATER PUMP
L3 L2
L3 L2
FIGURE 11
WITH THREE PHASE WATER PUMP
L3
VOLT FREE
AUXILLARY
CONTACT N/O
L
L1
4 POLE N/O STARTER WITH
OVERLOAD AND 230v 50Hz COIL
RATED TO SUIT WATER PUMP
N
L1
WATER PUMP
L2
THREE PHASE
L3
Page 16
SWITCHED FUSE ISOLATED WITHIN
2m OF HEAT PUMP AND SIZED IN
ACCORDANCE WITH DATA SHEET
N L
L1
N
5
CALOREX
INTERLOCK
HEAT PUMP
6
SINGLE PHASE
9
10
SOFT START