Nibe F1245 Service Manual

Sensors etc.
Internal
FunctionLocationName
Protects the compressor against pres-
sures that are too high.
On the liquid line.High pressure pressostatBP1
Protects the compressor against pres-
sures that are too low.
On suction gas line.Low pressure pressostatBP2
Set point values for heating and cool-
ing demand calculation. Operating
mode change.
Outdoor, shaded location on north side
of the house.
Outside sensorBT1*
Calculation of DM. If BT25 is installed,
only view.
On supply line after immersion heater
(EB1).
Flow pipeBT2
Stopping the compressor at high tem-
perature.
On return line between circulation
pump (GP1) and condenser (EP2).
Return pipeBT3
Stop and start of hot water charging.On water heater lower section.Hot water, chargingBT6
View.At water heater peak.Hot water, topBT7
View.On incoming brine line before circula-
tion pump (GP2).
Brine inBT10
Stops compressor at high temperature.
Controls brine pump speed together
with BT11
Stopping the compressor at low tem-
perature.
On outgoing brine line after evaporator
(EP1).
Brine outBT11
Controls brine pump speed together
with BT10
Stopping the compressor at high tem-
perature.
On supply line between condenser
(EP2) and immersion heater (EB1).
Condenser flow lineBT12
Stopping the compressor at high tem-
perature.
On hot gas line after compressor
(GQ10).
DischargeBT14
View.On the liquid line after the condenser
(EP2).
Fluid pipeBT15
View.On suction gas line before the com-
pressor (GQ10).
Suction gasBT17
Calculation of DM. Actual value for ad-
ditional shunt.
Externally on the flow line to the heat-
ing system.
External flow lineBT25*
Correction of the indoor temperature.In suitable indoor location.Room sensorBT50*
* Externally mounted (not included in outline diagram).
F1245Chapter 3 | System description12

Nibe F1245 Specifications

General

Brand	Nibe
Model	F1245
Category	Heat Pump
Language	English