Danfoss Bi-Directional Installation guide

INSTRUCTION

HOME Radiator Thermostat Bi-Directional
valve with flow- selectable feature

Installation of valve

The valve is a bi-directional valve and can be installed
horizontally or vertically in either the flow or return
pipe.

A built in flow direction selection feature can be used
to eliminate the risk of water hammer.

1, Close all radiator valves by
turning the valve cover cap
clockwise. Leave system to cool.

2, Start boiler/heating. 3, Open one valve and deter-

Troubleshooting

In the unlikely event of water hammer being
encountered turn the setting ring (see diagram 4) to
the other setting. Alternatively if commissioning the
whole system, establish the flow direction through
each valve using the diagrams below.

If the flow direction needs to be changed there is no
need to remove the valve, simply turn the setting ring.

mine flow direction. Which pipe
heats first?

4, Remove cap and turn
setting ring according to
the drawings. The setting
ring is turned by hand
only.

Note: Maximum pressure
drop should not exceed

0.45 bar

© Danfoss HS | 2019.07| VIMQC202 | 013R9672

5, Repeat step 3 and 4 until all
valves have been set correctly.
Sensor may now be fitted or the
valve cap temporarily refitted.

1

Installation Guide User Guide

Danfoss can a ccept no responsib ility for possi ble errors in cat alogues, broc hures and other pri nted material. Dan foss reserves th e right to alter its pr oducts witho ut notice. This also a pplies to
product s already on orde r provided that suc h alterations can b e made without sub sequential chan ges being necess ary in specic ations already a greed.
All tradem arks in this mater ial are propert y of the respec tive companies. D anfoss and all Danfo ss logotypes a re trademark s of Danfoss A/S. Al l rights reserv ed.

Danfoss Limited

Heating Segment • heating.danfoss.co.uk • [phone]

• E-mail: [e-mail]

Fitting the Sensor

1. The Danfoss snap-on
mounting is easy to
install and requires no
use of tools.

2. When the sensor is
in place, the snap­on mechanism is
activated and the
sensor is mounted
correctly.Tighten the
coupling by turning
the snap-on ring
clockwise.

3. Set desired room temperature.

Removing the Sensor

1. The sensor is
removed by turning
the snap-on ring
counter-clockwise.

2. Before remounting
the snap-on
mechanism must be
activated manually
by turning the snap­on ring counter­clockwise.

Setting the desired room temperatures

The desired room temperature is set by turning the head.
The temperatures obtained are approximately:

Do not cover the thermostat

The thermostat opens and closes as determined by the
temperature around it. Therefore the sensor must never be
hidden behind thick curtains, furniture, etc. Alternatively a
thermostat with remote sensor should be used.

Lockshield valve (type RLV-D) is only included
in codes: 013G6545 & 013G6546.

Removal of
protective cap

Balancing

© Danfoss HS | 2019.07| VIMQC202 | 013R9672

2