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If you select AIR PURGE :
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.
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.
During test run, all buttons except OK are invalid.
If you want to turn off the test run, please press OK.
For example ,when the unit is in air purge mode, after you
press OK, the page will displayed as follows:
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.
Use LEFT RIGHT to scroll the cursor to YES and press OK.
The test run will turn off.
Summary of Contents for WSAN-YMi 101
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Page 84: ...Access by pwd is reserved to qualified personnel The parameters changes may cause malfunctions...
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