Nibe S1155PC Installer Manual page 16

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. See
for more information about connecting a ground water
pump.
If this docking alternative is used, "min. brine out" in
menu 7.1.2.8 "br pmp al set." must be changed to a
suitable value to prevent freezing of the heat exchanger.
-EP12
-EP12-AA25
-EP12-EP4
-EP12-HQ40
-EP12-GP3
VENTILATION RECOVERY
The installation can be supplemented with the exhaust
air module NIBE FLM S45 to provide ventilation recov-
ery.
• 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. If there is a level vessel this should
be replaced.
P
16 Chapter 4 | Pipe connections
TWO OR MORE CLIMATE SYSTEMS
In buildings with several climate systems that require
different supply temperatures, the accessory
page 24 ECS 40/ECS 41 can be connected. A shunt valve then
lowers the temperature to the underfloor heating sys-
tem, for example.
POOL
With the POOL 40 accessory, you can heat the pool
with your heat pump.
During pool heating, the heating medium circulates
between the S1155PC and the pool exchanger using
the heat pump's internal circulation pump.
-CL11
-CL11-AA25
-CL11-QN19
-EP21
-EP21-AA25
-EP21-BT2 -EP21-GP20
-EP21-BT3
-EP21-QN25
-CL11-EP5
-CL11-GP9 -CL11-BT51 -CL11-HQ4
NIBE S1155PC