7.5 Connecting the main power supply
L N
LPS
L N
INDOOR UNIT
POWER SUPPLY
1-phase 3kW backup
heater standard
2
2
20
22
Unit
Wiring size
(mm
Stated values are maximum values (see electrical data for exact values)
High voltage wire
Low voltage wire
Fig.7-3
L N
LPS
L N
INDOOR UNIT
POWER SUPPLY
1-phase 6kW backup
heater (optional)
2
20
22
6kW-1Ph
3kW-1Ph
4.0
2
)
21
L1
INDOOR UNIT
POWER SUPPLY
3-phase 9kW backup
heater (optional)
L1
L2 L3
N
2
2
9kW-3Ph
8.0
4.0
L2 L3
N
2
20
22
V.2