CHOFU AEYC-1639U-CH Installation And Instruction Manual page 26

4. Remote Controller
4.1 Buttons
No. Button name Description
1 ON/OFF Push the button for 3 seconds to turn ON and turn OFF the HP unit.
Turn on the LED(green) of ON/OFF button if the HP unit is ON.
The LED(red) of the ON/OFF button blinks when an alarm on the heat pump occurs.
2 Timer for Push the Timer for Heating/Cooling button to change ON/OFF the time bands for Heating/Cooling.
Heating/Cooling If the time bands, day and clock have not been set, it will not be available and decline this operation.
Push the Timer for Heating/Cooling button for 3 seconds to set ON/OFF of the time bands for Space Heating/Cooling.
The time bands can be programmed by selecting each individual day or in groups (7 days, 5 working days, 2 holidays)
for room set temperature of Comfort or Economy and its time respectively.
* Slave Remote controller only can set ON/OFF of the time bands but cannot set the time as the long press is not
available. The time can be set by Master Remote controller.
3 Menu Programming: dedicated button for accessing the menu/parameters.
Push the Menu button for 3 seconds to set the parameters (user level).
4 Timer for Push the Low tariff/Night button to set HP unit operation mode.
Low tariff/Night Low tariff → Night → Low tariff and Night → OFF the mode
(Key Lock)
Push the Low tariff/Night button for 3 seconds to lock the button. During Key Lock is active, push 3 seconds to unlock.
(Also during Key Lock is active, it is possible to only turn OFF the HP unit by the ON/OFF button.)
5 Return Return button in parameter programming mode.
Push the Return button for 3 seconds to enter the monitor display mode.
-,+
6 For parameter setting, select and change the digit to be entered.
Push the Menu,–,+ button together for 3 seconds to set the parameters (installer level).
During alarm display, push – and + button of Master Remote controller together for 3 seconds to reset alarm display.
7 Set(confirm) Push the Set button:
-During the programming to save the setting.
-Change display : Clock→Humidity value (*) →Room set temperature
(*) Humidity value is displayed only Master Remote controller, when Par5117 (Humidity sensor) set enable, if the
parameter set disable, humidity value is not displayed (skip).
Push the Set button for 3 seconds to set the current time (day, hour, minutes).
Time setting can be set by Master Remote controller only.
8 Up,Down Selecting the room set temperature.
Even when the clock is displayed, press the Up or Down button to change to select the Room air temperature.
For parameter setting, change the parameter numbers.
9 Timer for DHW Push the Timer for DHW button to change ON/OFF the time bands for DHW.
Push the Timer for DHW button for 3 seconds to set the time bands for DHW.
If the time bands, day and clock have not been set, it will not be available and decline this operation.
10 DHW Domestic Hot Water production:
- Push the DHW button:
DHW time band disable : DHW Comfort → DHW Economy → DHW OFF
DHW time band active: Disable.
- Push the DHW button for 3 seconds:
Start DHW force mode, to charge the DHW tank until it reaches the over boost set point. Press for 3 seconds again
to escape force mode.
In case of "only HP" (without DHW heater), DHW tank is heated to reach comfort set point even in DHW force mode.
11 Mode Selecting the operating mode.
-Heating/Cooling time band disable : Heating/Cooling OFF→Heating→Cooling
-Heating/Cooling time band active : Heating
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Door open
Cooling