Heat Pump Installation Guide
73
Cold Start
After carrying out the test function check the flow temperature of the system to ensure that the flow
temperature is above 10°C. If the flow temperature is below 10°C then the outdoor unit will not start.
Press the Timer button
to see the flow temp. This needs to be above 10°C before the com-
pressor will start.
Put the system back into test mode by pushing and holding the left and right hand keys together for
6 seconds until either 7EST or Heat is shown on the controller.
1. If the system temperature is below 10°C turn on the immersion heater whilst the unit is on test mode
by pushing the Mode button
and the immserion should appear
on the controller.
2. Turn on the pumps by pushing the Power
button and the pump symbol
should appear
on the controller.
3. Force the hot water valve open by pushing the Outing
button and the hot water symbol
should appear. Leave the system to run like this until the flow temperature reaches 15°C.
4. Now Re-Check the Flow Meter to ensure that the flow rate is over 16 L/min. If the flow rate is
lower than 17L/min the unit will display a flow rate error “E911”.
5. Once the flow temperature has reached 15°C, take the machine out of test by holding the Esc
key.
Setting The Clock
1. To set the time push the User Set
button once and 1 should appear on the controller.
2. Push the Up
arrow to change the 1 to a 2.
3. Push the Right
button twice and 21 should appear alonge with the year, use the Up
arrow to change the year and then push the Set
and 22 should appear.
4. Push the Right
button and the month should flash, use the Up
button to change.
5. Push the Right
button and the day should flash, use the up button to change.
6. Push the Set button and 22 should flash, push the up button to change to 23.
7. Push the Right
arrow and the day and current time are shown, adjust the day with the Up
button.
8. Push the right button and AM or PM will flash, use the up button to change to AM or PM, if you
have both AM and PM flashing this will change the clock to 24 hours.
9. Push
Right
button and the hour will flash, use the Up
button to change the hour.
10. Push the Right
button and the minutes will flash, use the Up
button to change the
minutes. Now push the Set Key.
11. Push the Esc
button to return to the normal screen.