UNIT OPERATION
. 1 Switch the unit On and off
To start the unit, press and hold the On/Off key for one second
To stop the unit, press and hold the On/Off key for one second
. 2 Mode switch
（
5 modes in total
）
A. Under mode standby or On, press the M key repeatly, the following icons will flash by recycling.
AC cooling -> AC heating -> DHW(Domestic hot water)-> AC c DHW ->AC h
DHW
When selected a mode, press
button to confirm, then the icon will be solid, heat pump will perform as
selected.
B. When in mode AC cDHW or AC heating & DHW, DHW heating will be the priority.
C. When select DHW mode, only hot water system working, no air conditioner working.
D. When select air conditioner mode, only air conditioner system working, no sanitary hot water system working.
E. Sterilization is independent and auto-operated. You can change parameter according to need.
.3 Procedures of setting parameter change
A. When in
settled mode, the unit will operate in accordance with the factory default temperature or last modified
temperature.
B. Modification method for settled temperature
In the on / standby mode, press key M and
for 3 seconds, the current operating mode light will flash;
by press the M key, you can switch modes in the following order: Cooling / heating / hot water / sterilization;
by pressing key
▲ or ▼to setting value, press key to confirm, then exit and save current changes;
if
didn’t press key
to confirm, it will exit the parameter modification automatically 15 seconds later. Pre-
vious Changes will not be saved.
Detailed settings as follows:
NO. Meaning
Settled
temperature
range
Default temperature
operation for modify settled para-
meters
1
AC cooling returned
water temp
10
℃～
25
℃
12
℃
M+
→M→▲or▼→
2
AC Heating returned
water temp
10
℃～
55
℃
45
℃
M+
→M→▲or▼→
3
sanitary hot water
heating
10
℃～
60
℃（
AU
）
50
℃
M+
→M→▲or▼→
4
Legionella
Anti-bacteria
60
℃～
70
℃
65
℃
M+
→M→▲or▼→
5
