DC Inverter U-match Series Cassette Type Unit
37
⑨
Connect wires correspondingly by referring to the circuit diagram
labeled on the unit or electric box. Screws must be tightened up.
Slipped screws must be replaced by specialized flat-head screws.
⑩
Please use the power cables that are delivered along with the air
conditioner. Do not change the power cables arbitrarily. Do not change
the length and terminals of the power cables. If you want to change the
power cables, please contact
YAMATO
’s local service center.
⑪
Wiring terminals should be connected firmly to the terminal board.
Loose connection is forbidden.
⑫
After the electrical installation is finished, please use wire clamps to
secure the power cord, connection wire of indoor and outdoor units
and the communication cords. Make sure the wires are not clamped
too tight.
⑬
The wire gauge of power cord should be large enough. Damaged
power cord or other wires must be replaced by specialized wires.
Wiring work must be done according to national wiring rules and
regulations.
2.3.2 Wire Specifications and Fuse Capacity
Model
Power supply
Fuse
capacity
Min. sectional area
of power cord
V/Ph/Hz
A
mm²
Indoor unit
220-240V ~50/60Hz
3.15
1.0
Model
Power supply
Circuit
breaker
capacity
Min. sectional area
of power cord
V/Ph/Hz
A
mm²
YC12G4/O
220-240V ~50/60Hz
16
1.5
YC18G4/O
16
1.5
YC24G4/O
20
2.5
YC30G4/O
20
2.5
