Service Manual

SiUS121502E Trial Operation
Trial Operation and Field Settings 181
3. Trial Operation
3.1 CTXS, FTXS, CDXS, FDXS, FVXS Series
Outline Carry out the trial operation in accordance with the operation manual to ensure that all functions
and parts, such as flap movement, are working properly.
Trial operation should be carried out in either cooling or heating operation.
Detail 1. Measure the power supply voltage and make sure that it falls within the specified range.
2. In cooling operation, select the lowest programmable temperature (18°C (64°F)); in heating
operation, select the highest programmable temperature (30°C (86°F)).
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Trial operation may be disabled in either operation mode depending on the room
temperature.
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After trial operation is complete, set the temperature to a normal level (26 ~ 28°C (78 ~ 82°F)
in cooling, 20 ~ 24°C (68 ~ 75°F) in heating).
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For protection, the system does not start for 3 minutes after it is turned off.
ARC452 Series
(1) Press the ON/OFF button to turn on the system.
(2) Press both of the TEMP buttons and the MODE button at the same time.
(3) Press the MODE button twice.
(
T
appears on the display to indicate that trial operation is selected.)
(4) Press the MODE button and select the operation mode.
(5) Trial operation terminates in approximately 30 minutes and switches into normal mode. To quit
trial operation, press the ON/OFF button.
(R14476)
(2)
(2) (3) (4)
(1) (5)
(2)
(3)