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4. Indoor unit installation
1. Pass the piping through the hole in the wall.
2. Put the upper claw at the back of the indoor unit on the upper hook of the installation plate, move the indoor
unit from side to side to see that it is securely hooked (see Fig.12).
3. Piping can easily be made by lifting the indoor unit with a cushioning material between the indoor unit and
the wall. Get it out after finish piping.
4. Push the lower part of the indoor unit up on the wall, then move the indoor unit from side to side, up and
down to check if it is hooked securely.
Indoor units that can
be used in combination
Compressor
stop/start frequency
Power source voltage
Max. Length for all rooms
Max. Length for one indoor unit
Max. height different between
indoor and outdoor unit
Max. height different between indoor units
Number of connected units
Stop time
Voltage fluctuation
Voltage drop during start
Interval unbalance
OU higher than IU
OU lower than IU
8
Fig.12
1-5units
3 min or more
within ±10% of rated voltage
within ±15% of rated voltage
within ±3% of rated voltage
1 drive2
1 drive3
1 drive4
30m
45m
20m
25m
10m
10m
15m
15m
10m
10m
1 drive5
60m
75m
30m
30m
10m
10m
15m
15m
10m
10m
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