Danfoss RAS-C2 Combi Radiator Thermostat Installation Guide

1

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Radiator Thermostat RAS-C² Combi Pack / Radiator Pack  

BI-DIRECTIONAL VALVE WITH FLOW-SELECTABLE FEATURE  

INSTRUCTION  

Installation of valve  

Troubleshooting  

The valve is a bi-directional valve * and can be installed In the unlikely event of water hammer being encountered  

horizontally or vertically in either the flow or return pipe. turn the setting ring (see diagram 4) to the other setting.  

A built in flow direction selection feature can be used to Alternatively if commissioning the whole system, establish  

eliminate the risk of water hammer.  

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.  

2

Start boiler/heating.  

3

1

Open one valve and determine flow  

direction. Which pipe heats first?  

Close all radiator valves by turning  

the valve cover cap clockwise. Leave  

system to cool.  

Keymark reference:  

This package contains sensor 013G6040,  

valve 013G6281 (15mm) or  

valve 013G6283 (8/10 mm)  

Setting ring  

4

Remove cap and turn setting ring  

according to the drawings - the  

setting ring is turned by hand only.  

5

Repeat step 3 and 4 until all valves have been  

set correctly. Sensor may now be fitted or the  

valve cap temporarily refitted.  

* Maximum pressure drop should not  

exceed 0.45 bar  

© Danfoss Climate Solutions | 01/2024 | AN325831496588en-GB0401 (013R9677)  

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General	Details
Name	Danfoss RAS-C2 Combi Radiator Thermostat Installation Guide
Make	Danfoss
Language	English
Filetype	PDF (Download)
File size	0.11 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• Danfoss

Danfoss RAS-C2 Combi Radiator Thermostat Installation Guide Overview

Summary of Contents

• Page 1: Radiator thermostat RAS-C Combi pack / radiator pack Bi-directional valve with flow-selectable feature Installation of valve Troubleshooting 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. If the flow direction needs to be changed there is no need to remove the valve, simply turn the setting ring. Open one valve and determine flow direction. Close all radiator valves by turning the valve cover cap clockwise.
• Page 2: Mounting Ensure the pipe is pushed to the pipe stop in the elbow. Remove cap from valve and turn sensor to fit. Make sure union nut is turned loosely up towards the sensor body. Both nuts have to be tightened; check the fitting before use. Press the sensor firmly onto the valve with the scale pointer at the top. Ensure the system is depressurized before removing fitting. Tighten the grey union nut to 5Nm using parrot nose pliers. Set desired room temperature by turning the head. For plastic pipes, use a pipe insert of the same make as the pipe. Do not cover the thermostat; it must be exposed to the surrounding temperature.