‑
24
＊
‑
Cable name plate
Power supply terminal block
○
It holds cables in place and protect the terminal
connection from external force.
○
This clamp is for the cable in the outside
diameter 9~15mm.
Please adjust it when not suitable.
○
Please be sure to carry out D-type (type III)
grounding work.
○
It has stuck on the lid of a control box.
Grounding terminal
Cable clamp
Indoor - Outdoor
connecting wire
Power cable
Please connect the earthed line of indoor and outdoor
connecting wire to a bracket part of the illustration.
power cable, indoor - outdoor connecting wire circuit diagram
CAUTION
CAUTION
Power cable, indoor-outdoor connecting wires
Always use an earth leakage circuit breaker designed for inverter circuits to
prevent a faulty operation.
●
Always perform grounding system installation work with the power cord unplugged.
L
Outdoor unit
Switchgear or Circuit breaker
N
1 2/N 3
1 2/N 3
Indoor unit
X Y
Earth leakage breaker
(Harmonic resistant type)
Interconnecting and
grounding wires
(minimum
)
20
25
35
2.0
mm
2
30A
16A
1.5
mm
2
×4
15A,30mA,
0.1sec or less
Switchgear or Circuit Breaker
Switch breaker Over current protector
rated capacity
Earth leakage breaker
●
The specifications show in the above table are for units without heaters. For units with heaters,refer to
the installation instructions or the construction instructions of the indoor unit.
●
Switchgear or Circuit breaker capacity which is calculated from MAX. over current should be chosen along the
regulations in each country.
●
The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than
three cables contained in a conduit and a voltage drop is 2%. For an installation falling outside of these
conditions, please follow the internal cabling regulations. Adapt it to the regulation in effect in each country.
Power souce
(minimum
)
Model
Phase
Single-phase
INSTALLATION TEST CHECK POINTS
After installation
Check the following points again after completion of the installation, and before turnig on the power. Conduct a test run again and ensure that the unit operates properly.
Explain to the customer how to use the unit and how to take care of the unit following the instruction manual.
Power cables and crossover wires are securely fixed to thet erminal block.
The power supply voltage is correct as the rating.
The drain hose is fixed securely.
Operational valve is fully open.
No gas leaks from the joints of the operation alvalve.
The pipe joints for indoor and outdoor pipes have been insulated.
The reverse flow check cap is attached.
The cover of the pipe cover (A) faces downward to prevent rain from entering.
Gaps are properly sealed between the pipe covers (A) (B) and the wall surface / pipes.
