Nibe VPD 150, Руководство по установке, Страница: 11 / 20

Heat pump
Connecting to heat pump
The heat pump supply and return are connected to
VPD.
Supply line hp
Return line hp
Cold water
Hot water
Schematic diagram
The enclosed kit includes suitable connectors that can
be used for the installation.
LEK
XL4
XL36
XL3
႑
Install the T-coupling in position (XL3) (blue) accord-
ing to image. If Ø15 mm pipes are used, the reduction
sleeves can be used.
႑
Connect the return line from the heat pump to the
angled connection on the T-coupling. Install the
supplied non-return valve on this pipe.
႑
Install a shut-off valve on the incoming cold water
pipe.
႑
The safety valve must have a maximum 10.0 bar
opening pressure and be installed on the incoming
cold water line. The entire length of the overflow
water pipe from the safety valves must be inclined
to prevent water pockets and must also be frost-free.
႑
Connect the incoming cold water to the T-coupling.
႑
Straight couplings, 22/15 mm, installed on connec-
tions (XL4) and (XL36) as illustrated.
႑
Connect the supply line from the heat pump to pos
(XL36) (white) on the water heater section.
႑
Hot water connection to pos (XL4) (red) on the water
heater.
9 Chapter 4 | Pipe connections VPD 150, 300