Design and Technical Manual

6. SYSTEM DESIGN
INDOOR UNIT (setting by simple remote controller)5-5.
The function settings of the control of the indoor unit can be changed by this procedure
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according to the installation conditions. Incorrect settings can cause the indoor unit
malfunction.
After the power is turned on, perform the "FUNCTION SETTING" according to the
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installation conditions using the remote controller.
The settings may be selected between the following two: Function Number or Setting
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Number.
Settings will not be changed if invalid numbers or setting numbers are selected.
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This function cannot be used on the secondary units.
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PREPARATION
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(1) Turn on the power to the Branch box.
By turning on the power indoor units, so make sure the piping air-tight test and vacuuming have been conducted ●
before turning on the power.
Also check again to make sure no wiring mistakes were made before turning on the power. ●
Indoor
units
Branch box
Breaker ON
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SYSTEM DESIGN SYSTEM DESIGN