Commissioning And Adjusting; Preparations; Filling And Venting - Nibe F1145 Installer Manual

6 Commissioning and adjusting

Preparations

1. Ensure that F1145 has not been damaged during
transport.
2. Check that the switch (SF1) is in position "
3. Check for water in any hot water heater and climate
system.
Caution
Check the miniature circuit-breaker and the
motor protection breakers. They may have
tripped during transportation.
NOTE
Do not start the heat pump, if there is a risk that
the water in the system has frozen.
NOTE
At the time of commissioning, complete all rel-
evant sections of the Benchmark Checklist loc-
ated at the back of this document.
Completion of the Benchmark Checklist is a
condition of warranty. For full terms and condi-
tions of warranty, please see our website
www.nibe.co.uk.

Filling and venting

Caution
Insufficient venting can damage internal com-
ponents in F1145.
Filling and venting the climate system
Filling
1. Open the filling valve (external, not included with
the product). Fill the climate system with water.
2. Open the venting valve .
3. When the water that exits the venting valve is not
mixed with air, close the valve. After a while the
pressure starts to rise.
4. Close the filling valve when the correct pressure is
obtained.
Venting
NOTE
Insufficient venting can cause damage to intern-
al components.
1. Bleed the heat pump via a vent valve and the rest of
the climate system via their relevant vent valves.
2. Keep topping up and venting until all air has been
removed and the pressure is correct.
30 Chapter 6 | Commissioning and adjusting
Filling and venting the brine system
NOTE
Insufficient venting can cause damage to the
brine pump.
".
When filling the brine system, mix the water with anti-
freeze in an open container. The mixture should be
protected against freezing down to about -15 °C. The
brine is filled by connecting a filling pump.
1. Check the brine system for leakage.
2. Connect the filling pump and return line on the brine
system's filler connector as illustrated.
3. If alternative 1 (level vessel) is used, close the valve
under the level vessel (CM2).
4. Close the three way valve in the filler connector (ac-
cessory).
5. Open the valves on the filler connector.
6. Start the filling pump.
7. Fill until liquid enters the return pipe.
8. Close the valves on the filler connector.
9. Open the three way valve in the filler connector.
10. If alternative 1 (level vessel) is used, open the valve
under the level vessel (CM2).
Alt. 2
P
XL1 XL6
XL 1 Connection, heating medium flow
XL 2 Connection, heating medium return
XL 6 Connection, brine in
XL 7 Connection, brine out
XL 9 Connection, hot water heater
VBf
Alt. 1
Stängs
Closes
BK / JK Collector
XL9 XL7
XL6 XL7
KBin KBut
VV
VBr
XL2
NIBE F1145