AUX air conditioner service manual
67
2. Mode button: used for selecting the working mode of the air-conditioner (the option working mode
of two pump type includes cooling, dehumidifying, heating and ventilating; The option working mode
of cooling only type includes cooling, dehumidifying and ventilating)
3. Wind grid button: used for selecting the mode of swing, stop and the swing direction of wind grid.
Every press on this button, the setting wind grid transforms in cycle according to the following
sequence: grid swings up and down-right and left →grid is fixed→grid swings right and left→grid is
fixed →grid swings up and down → grid is fixed;
4. Wind speed button: used for selecting the fan’s speed (includes the conditions of high fan and low
fan)
5. On-off button: used for controlling the start and close of the air-conditioner.
6. Remote signal receiving window: used for receiving the signal delivered from the remote controller;
●Fluorescence display
a.- silence b-strong fan speed c. Fan speed
d-cooling e-dehumidifying f- ventilating
g-heating (invalid for cooling type) h-humidifying l-sleep
j-lock k-swing right and left L-health
m-humidity n-timing on/off O-temperature
P- up and down grid
Ⅳ Functions for the controller of the Floor-standing unit
●Z, C series
1. The basic working conditions for the operation of the controller
⑴The applicable voltage range of the electrical power: The input voltage 175 V – 253V;
⑵The input AC current frequency: 50Hz;
⑶The operating temperature for electric control: (-10~+70) ;℃
⑷The operating moisture for electric control: RH20%~RH90%;
⑸The indoor fan: three speeds tap ironclad motor; indoor fan motor relay (220VAC/5A)×3;
⑹The outdoor fan: tap ironclad motor, only one speed and the outdoor fan relay (220VAC/5A)×1;
⑺Four-way valve relay (220VAC/5A)×1;
⑻The Swing Motor is synchro motor : relay (220VAC/5A)×2;
The compressor control of 51 series model is the direct relay control (220VAC/30A, 220VAC/15A)
COS¢=0.4)×1;The compressor control of 61,71 series model is the AC contactor (220VAC/5A)×1
of the compressor’s relay control (220VAC/5A)×1;
⑼Auxiliary electric heating relay (220VAC/30A)X1;
⑽The model of temperature sensor of the indoor temperature and indoor coil temperature: B(25/50)
=3470×(1±1﹪)K,R(25)=5×(1±1﹪)KΩ.
2. Partition of the controller’s function
⑴The function of the controller consists of the following parts:
⑵The buzzer’s driving function;