English 18
Priority room setting
• To use priority room setting, initial settings must be made when the unit is installed. Explain the priority room setting, as described
below, to the customer, and confirm whether or not the customer wants to use priority room setting.
Setting it in the guest and living rooms is convenient.
1. About the priority room setting function
The indoor unit for which priority room setting is applied takes priority in the following cases.
1-1.
Operation mode priority
The operation mode of the indoor unit which is set for priority room setting takes priority. If the set indoor unit is operat-
ing, all other indoor units do not operate and enter standby mode, according to the operation mode of the set indoor
unit.
1-2.
Priority during high-power operation
If the indoor unit which is set for priority room setting is operating at high power, the capabilities of other indoor units will
be somewhat reduced. Power supply gives priority to the indoor unit which is set for priority room setting.
1-3.
Quiet operation priority
Setting the indoor unit to quiet operation will make the outdoor unit run quietly.
Setting procedure
Slide the switch to the ON side for the switch that corresponds to the piping connected to the indoor unit to be set. (In the fig-
ure below, it is room A.) Once the settings are complete, reset the power.
NOTE:
Priority room setting is only applicable for an air conditioner indoor unit.
Be sure to only set one room
Service PC-board
HEAT
COOL
4
3
2
1
2
1
E
D
C
B
A
COOL
4
3
2
1
2
1
E
D
C
B
A
Screw
Remove
the switch
cover
ON OFF
Priority room setting switch (SW4)
E
D
C
B
A
3PEN417620-3N.book Page 18 Friday, June 21, 2019 9:50 AM
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