How to enter TEST RUN
To enter test run, go to MENU> FOR SERVICEMAN> TEST RUN. 
Press OK. The following page is displayed:
Use ▼ ▲ to scroll to the components you want to check and press 
ON/OFF. For example, when 3-WAY VALVE is selected and ON/OFF is 
pressed, if the 3-way valve is open/close, then the operation of 3-way 
valve is normal, and so are other components.
If you select AIR PURGE and OK is pressed, the page will displayed as 
follows:
When in air purge mode, the 3-way valve will open, the 2-way valve 
will close. 60s later the pump in the unit (PUMPI) will operate for 10min 
during which the flow switch will not work. After the pump stops, the 
3-way valve will close and the 2-way valve will open. 60s later both the 
PUMPI and PUMPO will operate until the next command is received.
When CIRCULATION PUMP RUNNING is selected, the page will 
displayed as follows:
When circulation pump running is turned on, all running components
 will stop. 60 minutes later, the 3-way valve will open, the 2-way valve 
will close, 60 seconds later PUMPI will operate. 30s later, if the flow 
switch checked normal flow, PUMPI will operate for 3min, after the
 pump stops, the 3-way valve  will close and the 2-way valve  will open. 
60s later the both PUMPI and PUMPO will operate, 2 mins later, the 
flow switch will check the water flow. If the flow switch closes for 15s, 
PUMPI and PUMPO will operate until the next command is received.
When the COOL MODE RUNNING is selected, the page will 
displayed as follows:
When the HEAT MODE RUNNING is selected, the page will 
displayed as follows:
During HEAT MODE test running, the default target outlet water 
temperature is 35°C. The first backup heater will turn on after the 
compressor runs for 10 min, 60s later the second backup heater 
will turn on. After the two backup heater runs for 3 min, both backup 
heaters will turn off, the heat pump will operate until the water 
temperature increase to a certain value or the next command is received.
During COOL MODE test running, the default target outlet water 
temperature is 7°C. The unit will operate until the water temperature 
drops to a certain value or the next command is received.
When the DHW MODE RUNNING is selected, the page will 
displayed as follows:
During DHW MODE test running, the default target temperature of 
the domestic water is 55°C. The booster heater will turn on after the 
compressor runs for 10min. The booster heater will turn off 3 min later,
the heat pump will operate until the water temperature increase to a 
certain value or the next command is received.
About TEST RUN
TEST RUN
TEST RUN is used to check correct operation of the valves, air 
purge, circulation pump operation, cooling, heating and domestic 
water heating.
If YES is selected, the following page is displayed:
11 TEST RUN
Test run is on.
Circulation pump is on.
11 TEST RUN
Test run is on.
Cool mode is on.
Leaving water temperature is 
15
11 TEST RUN
Test run is on.
Heat mode is on.
Leaving water temperature is 
15
11 TEST RUN
11 TEST RUN
Test run is on.
Air purge is on.
11 TEST RUN
Activate the settings and 
activate “TEST RUN”?
         NO          YES
46
Use ▼ ▲ to scroll to the mode you want to run and press OK. The 
unit will run as selected.
If POINT CHECK is selected, the following page will appear:
2-WAY VALVE
PUMP I
PUMP O
PUMP C
PUMPSOLAR