e) While the indoor unit thermostats are displayed, press the SET (SW007) key. The display changes to indoor
unit forced thermostat OFF setting. Select the indoor units that are to be forced OFF. (* Set this setting from
the smallest address unit of the corresponding refrigerant system.)
* A light turns on to indicate that the thermostat of the corresponding indoor unit is ON, blinks at 1-second
intervals to indicate the thermostat of the corresponding indoor unit is OFF, blinks at 0.5-second intervals to
indicate the forced thermostat OFF setting is set for the corresponding indoor unit, and blinks at high speed
to indicate the number of the indoor unit being set.
* Use the UP (SW005) or DOWN (SW006) key to select the number of the indoor unit to be forced to stop. The
screen automatically switches to display units 33–64 for numbers exceeding 32.
Unit 25 Unit 26
Unit 27 Unit 28
Unit 29 Unit 30
Figure
7
Unit 1 Unit2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8 Unit 9 Unit10 Unit 11 Unit 12
Unit 13 Unit14 Unit 15 Unit 16 Unit 17 Unit 18 Unit 19 Unit 20 Unit 21 Unit22 Unit 23 Unit 24
Unit 33 Unit 34 Unit 35 Unit 36 Unit 37 Unit 38 Unit 39 Unit 40 Unit 41 Unit42 Unit 43 Unit 44
Unit 45 Unit 46 Unit 47 Unit 48 Unit 49 Unit 50 Unit 51 Unit 52 Unit 53 Unit 54 Unit 55 Unit 56
Unit 31 Unit 32
Unit 63 Unit 64
Unit 57 Unit 58 Unit 59 Unit 60 Unit 61 Unit 62
f) After selecting the number of the indoor unit to be forced to stop, press the SET (SW007) key for longer than 1
second. The forced thermostat OFF setting is set for the selected indoor unit. TEST/WARNING indicator (red
LED (LED052)) lights up.
In order to cancel the forced stop, after selecting the number of the indoor unit, press the SET (SW007) key
for longer than 1 second. The forced thermostat OFF setting is canceled for the selected indoor unit. TEST/
WARNING indicator (red LED (LED052)) goes off.
g) After completing the tests, remove the setting.
● Check that there is no error metallic noise from the compressor.
● Check that there is no error metallic noise or tappet noises from the engine.
Check that there is no error vibration in each part of the units.
● Check that there is no error vibration in the refrigerant tubing or capillary tubes. (particularly during low rota
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tional speeds)
● Check that there are no error vibrations due to contact between tubing, fittings, panels, etc.
a) For safety, when the outdoor units are stopped, set the total stop setting (Set SW001 (STOP-SW) to “STOP”)
on all outdoor main boards of the corresponding refrigerant system.
(3) Checking the indoor units and remote controller
● Stop the outdoor unit test run and remove the forced thermostat OFF setting on the indoor units. (turn the Stop
switch (STOP SW) to “NORM”)
● With each remote controller individually, check that the combination of indoor unit and remote controller unit num
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ber display label agree.
Ⅲ
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