Airwell Wellea Split A R32 Installation Manual page 39

XT1
LPS
L N
INDOOR UNIT
POWER SUPPLY
1-phase 3KW backup heater
Unit
Wiring size(mm
Stated values are maximum values (see electrical data for exact values).
When connecting to the power supply terminal, use the circular wiring terminal with the insulation casing (see Figure 8.1).
Use power cord that conforms to the specifications and connect the power cord firmly. To prevent the cord from being
pulled out by external force, make sure it is fixed securely.
The ground fault circuit interrupter must be a high-speed type breaker of 30 mA (<0.1 s).Flexible cord must meet
60245IEC(H05VV-F) standards.
Mode selection of 3-phase 3/6/9KW backup heater
Option 1
1 2 3 4
S1
The default of backup heater is as option 3 (for 9kW backup heater). If 3kW or 6kW backup heater is
needed, please ask professional installer to change the Dip switwch S1 to option 1 (for 3kW backup heater) or
option 2 (for 6kW backup heater), refer to 9.2.1 FUNCTION SETTING.
L1
LPS
INDOOR UNIT
POWER SUPPLY
3-phase 3/6/9KW backup heater
3KW-1PH 3KW-3PH
2
) 4.0 2.5
CAUTION
+
Figure 8.1
NOTE
Option 2
1 2 3 4
S1
NOTE
38
XT1
L2 L3 N
N
L1 L2 L3
6KW-3PH 9KW-3PH
4.0 4.0
Circular wiring
terminal
Insulation tube
Power cord
Option 3
1 2 3 4
S1