Danfoss Heat Pump Wartungshandbuch PDF herunterladen (Seite 10)

VMBMD302

5 Piping installation

⚠

To prevent leaks ensure that there are no stresses in

the connecting pipes!

• Ensure that the pipe installation is carried out in accord-

ance with the dimensions and connection diagrams.

• Pipeinstallationmustbecarriedoutbyanauthor-

ized installer.

⚠

NOTE! It is extremely important that the heating sys-

tem is completely bled.

⚠

NOTE! Bleed valves must be installed where necessary.

5.1 Safety valve

Radiator systems with closed expansion tanks must also

be supplied with approved pressure gauge and safety

valve.

⚠

NOTE! The heat pump must be connected to the

expansion tank and the safety valve according to

applicable regulations.

The connecting lines between the reservoir and the

safety valve must be routed in a continuous incline.

A continuous upwards slope means that the pipe

must not slope downwards from the horizontal at

any point.

5.2 Heating system supply pipe and return

pipe

• Install a filter (max mesh size 0.7 mm) in the heating

system’s return pipe to protect the unit against foreign

particles.

• Install the supply line with all the accompanying com-

ponents.

• Install a suitable circulation pump in the heating system

supply pipe and connect the pump’s control cable to

the relevant terminal block (see separate wiring dia-

gram).

• Install the return line with all the accompanying compo-

nents.

• Insulate the supply and return pipes.

Example of system solution for DHP-R with several water heaters.

TWC = Tap Water Control

CW = Cold water

HW = Hot water

HWC = Hot water circulation

HWH = Hot water heater

Additional shunt

(0-10V)

Heating system

Hot water

Hot gas circuit

TWC Communication

Brine

HWC

HWH HWH HWH HWH

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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