Extra electric hot water heater
The heat pump should be supplemented with an electric
water heater, for example NIBE COMPACT, if a whirlpool
or other significant consumer of hot water is installed.
■
The valve connection on COMPACT can be separated.
The mixing valve remains on COMPACT and the remain-
ing valve connector can be used for incoming cold
water in F1226.
Ground water system
An intermediate heat exchanger is used to protect the
heat pump's exchanger from dirt. The water is released
into a buried filtration unit or a drilled well. This docking
alternative requires the EXC 40 accessory.
If this docking alternative is used, "min. brine out" in
menu 5.1.7 "br pmp al set." must be changed to a suit-
able value to prevent freezing in the heat exchanger.
Ventilation recovery
The installation can be supplemented with the exhaust
air module FLM to provide ventilation recovery.
■
Pipes and other cold surfaces must be insulated with
diffusion-proof material to prevent condensation.
■
The brine system must be supplied with a pressure
expansion vessel (CM3). If there is a level vessel (CM2)
this should be replaced.
Frånluft
Ø 160
A
vluft
Ø 160
P
Free cooling
The installation can be supplemented with fan con-
vectors, for example, in order to allow connections for
free cooling.
■
Pipes and other cold surfaces must be insulated with
diffusion-proof material to prevent condensation.
■
Where the cooling demand is high, fan convectors
with drip trays and drain connection are needed.
■
The brine system must be supplied with a pressure
expansion vessel (CM3). If there is a level vessel (CM2)
this should be replaced.
NIBE F1226Chapter 4 | Pipe connections16
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