Nibe FIGHTER 1127, Инструкция по установке и обслуживанию

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■
Insert a screwdriver and turn the pump rotor.
■ Screw in the venting screw.
■ Start FIGHTER 1127 and check that the circulation pump
functions.
It is usually easier to start the circulation pump with FIGHTER
1127 running, switch (8) in position ”
1 ”. If helping the circu-
lation pump to start is performed with FIGHTER 1127 run-
ning, be prepared for the screwdriver to jerk when the pump
starts.
Indications
NOTE
Work behind panels secured by screws may only be
carried out under the supervision of a qualified install-
ation engineer.
Alarm lamp flashes and the text ”HP/MS–alarm”is dis-
played
AT HP/MP alarm: Set the motor protection to manual mode
and restart the heat pump.
Bad circulation in the heating medium circuit. Cause:
Check the heating medium pump (16). Open any
radiator thermostats. Check that the particle filter
is not blocked. Action:
If the alarm lamp still flashes the motor cut-out has tripped due
to the following causes.
Dropped phase or temporary mains disturbance. Cause:
Check the fuses. Action:
Overloaded compressor (27). Cause:
Call qualified service personnel. Action:
Mechanical fault on the compressor (27). Cause:
Call qualified service personnel. Action:
Defective motor protection (26). Cause:
Call qualified service personnel. Action:
Fine-wire fuse on relay card (29) has blown. Cause:
Replace the fuse. Action:
NOTE
The fault status must not be repeatedly reset, as there
is a risk of overheating the motor windings.
Alarm lamp flashes and the text ”LP–alarm”is displayed
Start up of cold installation Cause:
Use ”Electric boiler mode”. Action:
Bad circulation in brine system due to inferior ven-
ting/low pressure or ice (if ice has formed the brine
pump (35) will be warm). Cause:
Vent and top up the fluid. Wait a few hours. Action:
Brine pump (35) not running. Cause:
Check the brine pump. Action:
Lack of heating medium or other fault in the coo-
ling circuit. Cause:
Call qualified service personnel. Action:
Iced evaporator due to too low antifreeze concent-
ration. Cause:
Check the brine’s freezing point. Action:
After corrective action, in the display check that the differ-
ence between "
Brine In " and " Brine O " is 2 – 5°C when
the compressor is operating. (See "Control –Information
available on the display", point 4.)
Once the fault cause has been rectified set switch (8) to ” 0 ”
and then to ” 1 ”.
Draining, heat medium side
Close the shut-off valves in heating medium system. Now
open the drain valve (76). A small amount of water runs out,
however, to fully empty the heating medium side requires
the connector that joins the heating medium side and the
connection on the heat pump ”HM-flow” to be loosened a
little to allow air to enter so the remaining water can run
out. When the heating medium side is empty the requisite
service can be carried out.
Draining, collector side
When replacing the brine pump or drive side or when
cleaning the pump, the shut-off valves in the brine system
should be closed. The hose between the top of the evapor-
ator and the brine pump is loosened on the evaporator. The
loose hose end can now be bent down and emptied in a
small bowl. Now loosen the connection to ”KB-in” a little
to allow air to enter so the heat pump’s brine side is emptied
completely. When the circuit is empty the requisite service
can be carried out.
If the operating disturbance cannot be rectified by means of the above, an installation engineer should be called.
FIGHTER 1127 32
Miscellaneous
Dealing with malfunctions