Danfoss HDU-SF Manual de serviço - Página 4

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Service Guide

Note! HDU-SF are available with left or right side connections to riser. In this Service Guide all illustrations are shown for the left side

version.

1.2

Technical Data

Max. temperature

Max. working pressure

Nominal required differential pressure over Unit (HDU-SF)

Max. differential pressure in a control loop

Max. static pressure

Connection to riser (in and out)

Connection to radiator

Power supply (Heat meter)

* At differential pressure in control loop 10kPa at 100% AB-PM set-

ting.

1.3

Product

Manifold port plugs (10 pcs.)

Filter for strainer

Impulse tube with fittings for AB-PM

For draining the inlet and outlet:

▪ close ball valves on supply and return inlet pipes.

▪ use the cap hanging on the drain to open the drain.

The HDU-SF is automatically vented, if necessary.

HDU-SF (Horizontal Distribution Units - Single Flat)

90 °C

2 bar

0.26 bar*

0.22 bar

10 bar (PN 10)

R 3/4"

3/4"

A-cell battery, 3.6 VDC

VIIGB102

Code no.

003L1246

065B8248

003L8152

Danfoss Heating Solutions