Lennox VHA 30, Руководство по установке, эксплуатации и техническому обслуживанию, Страница: 10 / 46

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Operation Details
(1) The function of main control
1. Time Delay Safety Control
3min The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
3sec The indoor fan is ceased for 3 seconds to prevent relay noise.
(Protection of fan relay and micro chip)
1min The 4-way valve is ceased for 1min. to prevent the refrigerant-gas abnormal noise when the Heating
operation is OFF or switched to the other operation mode.
2. Airflow Direction Control
This function is to swing the louver left and right automatically and to set it at the desired position.
The procedure is as the following.
1st : Press the ON/OFF Button to operate the product.
2nd : Press the Airflow Direction Control Button to swing the louver left and right automatically.
(Remote controller)
3rd : Repress the Airflow Direction Control Button to set the louver as the desired position.
(Remote controller)
8HP Model don't have this function.
3. Cooling Mode Operation
When selecting the Cooling( ) Mode Operation, the unit will operate according to the setting by the
controller and the operation diagram is as following
Intake Air temp.
Setting Temp. +1
°
C
(Compressor ON)
Setting Temp. -1
°
C
(Compressor OFF)
Indoor Fan Speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
Selecting
fan speed
3 minutes
More than
3 minutes
More than
Compressor ON OFF ON OFF ON