Pipe connections
General
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.
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 instruc-
tions.
2. Pipes to and from the cooling accumulator tank are
connected between 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.
12
Ball valve
Flat gasket
Circulation pump
Shuttle valve
Install the reversing valve (QN12) with port AB as incom-
ing supply line from the heat pump, port A towards the
cooling accumulator and port B towards the heating
system. Install it so that port AB is open towards port B
when the motor is in standby. In the event of a signal,
port AB opens towards port A.
B
AB
Temperature sensor
The temperature sensor for ACS 310(BT64) is located on
the supply line from the cooling accumulator
Install the temperature sensor with cable ties with the
heat conducting paste and aluminium tape. Then insu-
late with supplied insulation tape.
NOTE
Sensor and communication cables must not be
placed near power cables.
A
ACS 310 | GB