HTW VAW Serie Manual De Usuario E Instalacion página 65

NOTE:
The timer 'ON' and timer 'OFF' functions can be set at the same time.
1)
The timer settings are repeating.
2)
The timer settings are still valid after a sudden power cut.
3)
6． button
• When the heat pump is ON, press this button to turn 'ON' the electrical heater. The heater
icon will be showed, and the electrical heater will work according to the control program
(parameter 3).
• When the heat pump is ON, press this button and hold for 5 seconds to enable or disable the
fan ventilation function.
• When the heat pump is OFF, press this button to entry E-heater heating mode.
7． button
Check the temperatures and EXV open steps
1)
-Press this button to entry temp and EXV open step checking.
-Press the and
(parameters A-F).
Check the system parameters
2)
-In any status, press this button and hold for 5 seconds, entry the system parameter
checking interface.
-Press the and
Adjust the system parameters
3)
• When the unit is off, press
• Press or
• Press the
the setting.
If no action to the buttons for 10 seconds, the controller will exit and save the setting
automatically.
NOTE: The parameters have been set; the user cannot change the parameters optionally. Please ask
a qualified service person to do this when required.
8． Error codes
During standby or running status, if there is a malfunction, the unit will stop automatically and
show the error code on the left screen of the controller.
buttons to check the temp sensor values and EXV open steps
buttons to check the system parameters.
for 5 seconds, entry the parameter checking interface.
button to select the parameter, and press
and buttons to adjust the selecting parameter, then press
button to confirm it.
19
to confirm