50
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 HEAT MODE RUNNING is selected, the follow-
ing page will be displayed:
Go to MENU> FOR SERVICEMAN> 11.TEST RUN.
Press OK. The following page will be displayed:
11 TEST RUN
Active the settings and
active the “TEST RUN”?
OK
CONFIRM
NO
YES
11 TEST RUN
Test run is on.
Circulation pump is on.
OK
CONFIRM
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
following page will be displayed:
11 TEST RUN
Test run is on.
Cool mode is on.
Leaving water temperature is
15°C.
OK
CONFIRM
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
following page will be displayed:
11 TEST RUN
Test run is on.
Air purge is on.
OK
CONFIRM
If you select AIR PURGE and OK is pressed, the following
page will be displayed :
Before the point check, make sure the tank and
the water system is filled with water, and air is
expelled, or it may cause the pump or backup
heater burn out.
CAUTION
If YES is selected, the following pages will be displayed:
If POINT CHECK is selected, the following pages will be
displayed:
Press
▼
▲
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.
11 TEST RUN( POINT CHECK)
OFF
OFF
OFF
OFF
OFF
ON/OFF
ON/OFF
3-WAY VALVE 1
3-WAY VALVE 2
PUMP I
PUMP O
PUMP C
1/2
11 TEST RUN( POINT CHECK)
OFF
OFF
OFF
OFF
OFF
ON/OFF
ON/OFF
PUMPSOLAR
PUMPDHW
INNER BACKUP HEATER
TANK HEATER
3-WAY VALVE 3
2/2
OK
ENTER
11 TEST RUN
11.1 POINT CHECK
11.2 AIR PURGE
11.3 CIRCULATION PUMP RUNNING
11.4 COOL MODE RUNNING
11.5 HEAT MODE RUNNING
OK
ENTER
11 TEST RUN
11.6 DHW MODE RUNNING