Usage and Installation Manual for Combination Heat Pump Water Heater
12.Controller usage instruction
z A. Display function of displaying panel
z LCD displaying panel
1. HEAT:
it will be displayed only during heating.
2. Error code: It will be displayed in main display area when there is error with system or
communication.
3. COOL: It will be displayed only during forced cooling of the unit.
4. Temp: It shows temp value displayed in main display area.
5. Auxiliary display area: It contains 2 numbers and a comma, for showing temp and number of
parameter at main display area. It only displays when under
Check mode and Parameter checking
mode.
6. Main display area: It contains a minus, 2 numbers and 1 temp unit, for displaying value of
temp and parameter (temp or time value) and error code. When temp value is displayed, it shows
value in algorism and temp unit; when time is displayed, it shows algorism value but no temp unit
(default unit is min); when it is code, it displays specific error (refer to Malfunction Error List) but no
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