20
NOTE:
1) The timer ‘ON’ and timer ‘OFF’ functions can be set at the same time.
2) The timer settings are repeating.
3) The timer settings are still valid after a sudden power
cut.
6
．
button
1) 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).
2) When the heat pump is ON, press this button and hold for 5 seconds to enable or disable the fan
ventilation function.
3) When the heat pump is OFF, press this button to entry E-heater heating mode.
7
．
button
1) Check the temperatures and EXV open steps (running parameter)
-Press this button to entry temp and EXV open step checking.
-Press the
and
buttons to check the temp sensor values and EXV open steps (parameters
A-H).
2) Check the system parameters
-In any status, press this button and hold for 5 seconds, entry the system parameter checking
interface.
-Press the
and
buttons to check the system parameters.
3) Adjust the system parameters
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.
-
-
-
-
Manufacturer parameters (password 76 or 29)
When the unit is off, press
and
2s to enter the password, water temp area
blinking(only 00 display),press “
” to enter the password "7", press “ "again to enter password "6"
，
then press " " to confirm(lf the password is wrong, it will return to home page,Enter another password)
After entering parameter modify page, press “ “ “ ” to select the parameter
need to be modified.
Press
"
"
to confirm the selection, press“ ” “ ” to modify the parameter. Press "
" to confirm the
modification and return to home page
No operation for 10s, the modification will be saved automatically and return to home page. Press
"
”
could return to home page as well.
-
NOTE: The parameters have been set; the user cannot change the parameters optionally. Please ask a
qualiÿed service person to do this when required.
20
