Nibe VVM S325 Installateurhandbuch Seite 62

Pipe connections
GENERAL
When the indoor module is docked to a pool, the charge
circuit must be equipped with an external charge pump
(GP12) as it is not possible to use the internal charge
pump. The internal circulation pump maintains the flow
in the climate system during pool charging. The extra/ex-
ternal circulation pump (GP10) maintains the flow in the
heating circuit, allowing the supply temperature sensor
(BT25) to measure the temperature correctly.
INSTALLATION PRINCIPLE
Circulation pump
The circulation pump's permitted positions.
Shuttle valve
The reversing valve's permitted positions.
PIPE CONNECTIONS
1. If the indoor module has already been installed and
filled with water, the climate system and indoor
module must be drained of water. See the Installer
manual for the indoor module for further instructions.
62
Pipes to and from the pool are connected between
2.
the heat pump and the indoor module.
TIP
To prevent unnecessary heat losses insulate
the pipes.
CIRCULATION PUMP
Install the ball valves on the circulation pump. Use the
flat gaskets supplied to seal.
SHUTTLE VALVE
Install the reversing valve (QN19) with port AB as incom-
ing supply line from the heat pump, port A towards the
pool and port B towards the heating system. Install it
so that port AB is open towards port B when the motor
is in standby mode. In the event of a signal, port AB
opens towards port A.
B
Ball valve
Flat gasket
Circulation pump
A
AB
POOL 310 | GB