DC Inverter U-match Series Floor Ceiling Type Unit
28
①. Before starting work, check that power is not being supplied to the indoor unit and outdoor unit.
②. Match the terminal block numbers and connection cord colors with those of the indoor unit side.
Erroneous wiring may cause burning of the electric parts.
③. Connect the connection cords firmly to the terminal block. Imperfect installation may cause a fire.
④. Always fasten the outside covering of the connection cord with cord clamps. (If the insulator is not
clamped, electric leakage may occur.)
⑤. Always connect the ground wire.
(4). Electric wiring between the indoor and outdoor units
Single-phase units (18/24K)
Single-phase units (18/24K)
MQIU-174018-HCU216A+MQS-174018-CFC216A
①. Power cord 3×1.5mm
2
(H07RN-F)
②. Power cord 3×1.0mm
2
(H05RN-F)
③. Communication Cords 2×0.75mm
2
(H05RN-F)
①. Power cord 3×2.5mm
2
(H07RN-F)
②. Power cord 3×1.0mm
2
(H05RN-F)
③. Communication cords 2×0.75mm
2
(H05RN-F)
Single-phase units (36~60K)
①. Power cord 3×2.5mm
2
(H07RN-F)
②. Power cord 3×1.0mm
2
(H05RN-F)
③. Communication cords 2×0.75mm
2
(H05RN-F)
①. Power cord 3×6.0mm
2
(H07RN-F)
②. Power cord 3×1.0mm
2
(H05RN-F)
③. Communication cords 2×0.75mm
2
(H05RN-F)
Fig. 4.29
(5). Electric wiring of indoor unit side
Remove the left cover plate and the electric box cover then insert the end of the
MQIU-174024-HCU216A+MQS-174024-CFC216A
MQIU-174036-HCU216A+MQS-174036-CFC216A
MQIU-174048-HCU216A+MQS-174048-CFC216A
MQIU-174060-HCU216A+MQS-174060-CFC216A
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