Air Source Heat Pump Water Heater
11
Parameters Check
This function is usually for debugging personnel.
When press check button into checking state, checking
code flashes and corresponding parameters are displayed in
clock displaying area. Press ▲ and ▼ to switch among code.
6) Malfunction Display
If malfunctions occur during operation of system, temp
displaying area will display error codes.
When malfunction occurs,wired controller shields all
functions except On/Off and checking functions and outdoor
unit is off.
If multiple malfunctions occur at the same time, error
codes will be displayed in cycle.
If wired controller displays malfunction, please turn off
the unit and ask professionals for help.
Refer to error codes in the last page for reference.
5.5 Notices for Operation of Wired Controller
Notices and Instructions
1) Never operate the unit with wet hand.
2) Never knock, throw or frequently disassemble the wired controller.
3) The setting water temp of the unit before outgoing is set to be 50 .The user can adjust the temp to
required value during operation of the unit, but over-high temp will affect COP of the unit.
4) The unit will automatically stop with wired controller displaying “KEEP” once setting water temp
reaches. If actual water temp is decreased to be 5 lower than setting temp, the unit will restart to keep the
setting water temp.
5) Ambient temp during operation of the unit ranges from -15 to 43 . -15 is low limit so the unit will
be limited by the wired controller once ambient temp is lower than it. If in this case, heat pump water heater
won’t start up except operation of E-heater heating the water in water tank. Wired controller will display water
temp and L6 by turns.
