Press the
Main interface
FUNCTION button.
6.7 Special Function
6.7.1 Keypad Lock
In normal status of the unit, press and hold ▲+▼ for 5 seconds. The LOCK icon is
displayed on the controller and all buttons become unavailable. The LOCK icon blinks
when any button is pressed. To cancel the Keypad lock function, press and hold ▲+▼
for 5 seconds again. Then the LOCK icon disappears.
If the unit is faulty, the lock function becomes invalid and all buttons are available
again. The Keypad lock function will resume after the error is rectified. In addition, the
lock status before power failure is memorized.
Controller For The Air Source Heat Pump Water Heater
The CYCLE icon
Press the
blinks.
TIMER button.
Schedule time for
Press the
water return is
TIMER button.
successfully set.
17
The water return
Press the
timer is on and the
TIMER button.
hour value blinks.
The water return
timer is off and the
minute value
blinks.
The water return
timer is on and the
minute value
blinks.
The water return
timer is off and the
hour value blinks.