Nibe FIGHTER 1220, Инструкция по установке и обслуживанию

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Commissioning and adjusting 19
For the Installer
FIGHTER 1220
The heating medium system is filled with water until
the required pressure is reached and then vented.
Before starting up the system, check that the heating,
collector and hot water circuits are full and thoroughly
vented. Check the pipe system for leaks.
Filling the
heating medium system
Preparations
NOTE!
The compressor must not be forced to
start with periods shorter that 1 start
per 15 minutes.
Fighter 1220 is equipped with a soft-starter relay (97)
that limits the inrush current on the compressor to max
30A.
The compressor must not be forced to start with peri-
ods shorter that 1 start per 15 minutes.
Soft-start relay
To fill the collector system, mix antifreeze with water,
which protects against freezing down to
-15 °C, in an open container and connect with filler
pump and hoses as illustrated. Close the valve on the
main pipe between the service connections and fill
through the connection under the level vessel (NK)
(which has been removed) until the fluid emerges from
the return hose. Then make the following settings on
the control panel.
■
Set the switch (8) to 1.
■
Select Service from menu 8.1.1.
■
Switch Electric boiler mode on menu 9.2.4 to On.
■
Select On in menu 9.2.12.
The heat pump cannot start because EP (electric boil-
er mode only) is selected. The brine pump is now
operational together with the filling pump. The fluid
can circulate via the mixing vessel until fluid, without
air, returns to the return hose.
■
Select Off on menu 9.2.12.
Stop the filling pump and clean the particle filter. Then
start the filling pump again. Open the valve on the
main pipe between the service branches while the fill-
ing pump is still operational (to release the air
between the branches). Now close the valve by the
return hose. Pressurise the system (to max 3 bar) with
the filling pump. Close the valve where the level ves-
sel is fitted and stop the filler pump.
Remove the filler hoses and refit the level vessel. Fill
the vessel about three-quarters full with the fluid. Now
shut the filling plug and open the valve under the ves-
sel.
■
Return to normal mode by switching Electric boiler
mode on menu 9.2.4. to Off.
■
Select the required operating mode with the oper-
ating mode selector knob.
Filling and venting the collector system
Evaporator
Brine pump
Compressor
Condenser
Heating water
pump
Expansion valve
Cooling unit
Immersion heater
3 way valve
Double jacket
Water heater
Heating water
flow
Heating water
return
Hot water
circulation
AVT
Closed
BK / JK
NK
SÄV
SF
Brine in
Brine out
AVT Draining
SAV Safety valve
NK Level vessel
SF Particle filter
BK Rock collector
JK Ground collector
HW Hot water