HTW -AT-V100MR290A Manuel De L'utilisateur Et D'installation page 82

-Press the
(parameters A-L).
Check the system parameters
2)
-In any status, press this button and hold for 5 seconds, enter the system parameter
checking interface.
-Press the
Adjust the system parameters
3)
• When the unit is off, press
• Pres or
parameter.
s
• Press
and
setting.
If no action to the buttons for 10 seconds, the controller will exit and save the setting
automatically.
NOTE: Once the parameters have been set, the users cannot change the parameters
by themselves. Please ask a qualified service person to do this when required.
7) Error codes
During standby or running status, if there is a malfunction, the unit will stop automatically
and show the error code on the right part screen of the controller.
LED icons
Hot water available
1)
The icon indicates that the domestic hot water temperature reaches the set point. The hot
water is available for use. Heat pump is standby.
Fan ventilation
2)
The icon indicates that the fan ventilation function is enabled.
When the unit is on, press the
can be enabled or disabled. If this function is enabled the fan will continue working to ventilate
the air, when the water temperature reaches the set point and unit is standby. If this function is
disabled the fan will stop, when the water temperature reaches the set point and unit is
standby
Electrical heating
3)
The icon indicates that the electrical heating function is enabled. The electrical heater will work
according to the control program.
Defrosting
4)
and buttons to check the temp sensor values and EXV open steps
and buttons to check the system parameters.
for 5 seconds, enter the parameter checking interface.
button to select the parameter, and press button to choose this
buttons to adjust the selecting parameter, then press to confirm the
button and hold it for 5 seconds the fan ventilation function
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