Service manual
•
window type series
12
7. Control Specifications
7.1 Control specifications
7.1.1
Adjusting the temperature range: Turn the temperature control knob on the control panel to clockwise.
Dextrorotation is from ‘HIGH’ to ‘LOW’. The set temperature is from high to low. The set temperature
range: 16
℃
-30
℃
(60-90
℉
).
7.1.2
When the indoor temperature is greater than the set temperature, the compressor runs.
When the indoor temperature is less than the set temperature, the compressor stops.
7.1.3
When operating maintenance or testing capacity, the temperature control knob can be turned to the
maximum thermostat setting. It is in the TEST RUN position. The air conditioner gets into cooling
operation forcedly.
7.1.4
There are six modes of operation.
Off (O)
: All functions stop.
High Fan
: Fan turns at high speed and circulates filtered air without cooling;
High Cool
: Fan turns at high speed and circulates filtered air. High fan speed is for rapid cooling.
Middle Cool
: Fan turns at middle speed and circulates cooled, filtered air.
Low Cool
: Fan turns quietly at low speed and circulates cooled, filtered air.
Low Fan
: Fan turns quietly at low speed and circulates filtered air without cooling.
7.1.5
Horizontal Auto deflection: Press one end with “I” mark on the Auto deflector switch, the grille will
turn automatically from side to side; press one end with “O” mark on the Auto deflector switch, Auto
deflection function will be cancelled.
7.1.6
In cooling operation, the compressor will stop when the temperature set by the temperature control
knob is greater than or equal to the indoor temperature. The fan is still running in former speed for
keeping air circulation.
7.2 Operating mode
7.2.1 Cooling:
Temperature control range: 16
℃
-30
℃
(60-90
℉
); Original value: 24
℃
(75
℉
);
Temperature control precision: ±1
℃
(±1
℉
);
Characters on control:
When Tr
≥
Ts+1
℃
(±1
℉
),the compressor runs;
When Tr
≤
Ts
℃
, the compressor stops. The control circuit will stop compressor only after it has run at
least 5minutes(Except air conditioner is turned off). The compressor can be restarted 3minutes later
the turn off (Effective in any status).
Fan speed control:
Manual: Users can select the fan speed of high, medium or low level as needed in the turn-on status.
7.2.2 Dry:
Temperature control range: 16
℃
-30
℃
(60-90
℉
); Original value: 24
℃
(75
℉
);
Temperature control precision: ±1
℃
(±1
℉
);
