Function and Control
During cooling operation, the signals being sent from the indoor unit allow the operating frequency limitation and then prevent freezing of the indoor heat exchanger. (The signal from the indoor unit must be divided into the zones as the followings.)
Detail
Conditions for Start Controlling
Judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start.
Control in Each Zone
Heat exchanger |
|
thermistor temperature | Return/Reset zone |
A | Up zone |
B | Keep zone |
| |
C | Drooping zone |
D | Stop zone |
| |
E |
|
|
|
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