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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.
Safety device requirements
8.8.4
1. Select the wire diameters( minimum value) individually for each unit based on the table below.
2. 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
ETHKH06A
ETHKH10A
ETHKH16A
ETHKH06A(3kW heater)
ETHKH10A(3kW heater)
ETHKH16A(3kW heater)
ETHKH06A(9kW heater)
ETHKH10A(9kW heater)
ETHKH16A(9kW heater)
8.8.5 Specifications of standard wiring components
Equipment main Power Supply Wiring
LPS
L N
Stated values are maximum values (see electrical data for exact values).
Power Current
Voltage
Min.
Hz
(V)
(V)
50 220-240/1N
198
50 220-240/1N
198
50 220-240/1N
198
50 220-240/1N
198
50 220-240/1N
198
50 220-240/1N
198
50 380-415/3N
342
50
380-415/3N
342
50
380-415/3N
342
XT1
INDOOR UNIT
POWER SUPPLY
33
Max.
MCA
MFA
(V)
(A)
(A)
264
1.20
/
264
1.20
/
264
1.20
/
264
14.30
/
264
14.30
/
264
14.30
/
456
14.00
/
456
14.00
/
456
14.00
/
IFM
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
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