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4. Service procedures
SM830082
IV - 22
1
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Section
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Fig. IV-4
1929_M_I
Sensor address
Sensor temperature °F
a
Unit No. (Indoor unit address)
(B) Check the sensor temperature readings
The air conditioner has thermo sensors which are used to control the unit.
❏ Each sensor has an address which is made up of the indoor unit address, and the
sensor address. The indoor unit address is used only when several units are hooked
up to one remote controller (group control). If there is only one unit, made up of one
indoor and one outdoor unit, then only the sensor address should be put in, as shown
in the procedure below.
Follow this procedure to display the temperature of each sensor:
a On the remote controller, press both and buttons at the same time for more than 4
seconds. (Ref. Fig. IV-4)
b The UNIT No., the address and temperature of the sensors instead of its usual informa-
tion will flash on the display.
❏ Following example shows the UNIT No. (Indoor unit address) is fixed at 01– 01.
❑ In case of group control, select the UNIT NO. (Indoor unit address) which you want to
check with button.
❏ Each time you press the , ( ) button you can select a different sensor, and the
display shows the sensor address and temperature as shown Fig. IV-4.