Operation Details
(1) The function of main controls/controller
1. Time Delay Safety Control
• 3min... The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 30sec... The 4-way valve is ceased for 30sec. to prevent the abnormal noise of the refrigerant gas when the
Heating operation is OFF or switched to the other operation mode while compressor is off.
While compressor is running, it takes 3~5 seconds to switch.
2. Soft-Dry Operation
• The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of
already being set to the best speed for Dry Operation by Micom Control.
3. Cooling Mode Operation
• When selecting the Cooling( ) Mode Operation, the unit will operate according to remote controller settings and
the operation diagram is as following.
–10–
Intake Air temp.
SET TEMP.+0.5°C
(COMP. ON)
SET TEMP. -0.5°C
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COMPRESSOR
ON
OFF
ON
OFF
ON
INDOOR FAN
Low Low
Summary of Contents for TB-H488RSS5
Page 1: ...Ceiling Duct Type Air Conditioner SERVICE MANUAL MODELS TB H488RSS5 ...
Page 5: ...1 Specifications 1 1 Indoor unit 5 5 5 ...
Page 7: ...5 ...
Page 8: ...8 5 ...
Page 19: ... 19 Preparation of Piping 6 Connecting Pipes to the Indoor Unit ...
Page 20: ... 20 ...
Page 21: ... 21 ...
Page 39: ... 39 Electronic control device MAIN P C B ASM ...
Page 42: ......