Installation Instructions

22
Power supply wiring
Item
Model
Wire size
All models of indoor units 2.0 mm² Max. 20m 3.5 mm² Max. 50m
[Indoor unit]
NL
Earth
NL
Earth
NL
Earth
NL
Earth
Earth leakage breaker
Indoor unit
Connection cable
Connector conversion cable
(MMK-AP∗∗∗2H (High Wall) does not use a this conversion cable.)
Indoor control P.C. board
Pulse motor valve (Indoor unit side)
CN82 connector
Pull box
Main switch
Indoor unit power supply
1N~ 50Hz, 220 240V
1N~ 60Hz, 220V
PMV
PMV Kit
For Indoor unit power supply (The outdoor unit has a separate power supply.)
Note)
Power supply cord specification : Cable 3-core 2.5 mm², inconformity with Design 60245 IEC57.
The connecting length indicated in the table represents the length from the pull box to the outdoor unit when the
indoor units are connected in parallel for power, as shown in the illustration below. A voltage drop of no more than
2% is also assumed. If the connecting length will exceed the length indicated in the table, select the wire
thickness in accordance with indoor wiring standards.
Determine the wire size for indoor unit according to the number of connected indoor units downstream.
For details of the PMV Kit, refer to the Installation Manual.
Connection of PMV Kit