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Use the correct screwdriver to tighten the terminal screws. Small screwdrivers can damage the screw
head and prevent appropriate tightening.
Over-tightening the terminal screws can damage the screws.
Attach a ground fault circuit interrupter and fuse to the power supply line.
In wiring, make certain that prescribed wires are used, carry out complete connections, and fix the wires
so that outside force cannot affect the terminals.
7.3 Safety device requirements
Select the wire diameters( minimum value) individually for each unit based on the table below.
Select circuit breaker that having a contact separation in all poles not less than 3 mm providing full
disconnection, where MFA is used to select the current circuit breakers and residual current operation
breakers:
System
100/190(3kW heater)
100/240(3kW heater) 50 220-240/1N
Standard
160/240(3kW heater) 50 220-240/1N
100/190(6kW heater)
100/240(6kW heater) 50 220-240/1N
160/240(6kW heater) 50 220-240/1N
Optional
100/190(9kW heater)
100/240(9kW heater) 50 380-415/3N
160/240(9kW heater) 50 380-415/3N
MCA: Min. Circuit Amps. (A)
MFA: Max. Fuse Amps. (A)
IWP：Indoor Water Pump Motor
FLA: Full Load Amps. (A)
7.4 Before connecting the wiring
1. Remove the bolt in the lower left corner of indoor unit.
2. Open the front panel.
3. Remove the cover of the control box.
Fig. -1
Power Current
Voltage
Min.
Hz
(V)
(V)
50 220-240/1N
198
198
198
50 220-240/1N
198
198
198
50 380-415/3N
342
342
342
NOTE
Fig.7-2
20
Max.
MCA
MFA
(V)
(A)
(A)
264
16.9
20
264
16.9
20
16.9
264
20
264
33.1
40
264
33.1
40
264
33.1
40
456
16.9
20
456
16.9
20
456
16.9
20
IWPM
FLA
kW
(A)
0.087
0.66
0.087
0.66
0.087
0.66
0.087
0.66
0.087
0.66
0.087
0.66
0.087
0.66
0.087
0.66
0.087
0.66
V.2
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