Honeywell VHL120 Guide

VHL120

Manual Valve and Lockshield set

Installation and User Instructions

1. Notes and Safety instructions

2. Specification

3. Component parts

Maximum working pressure 10 bar (140 psi)

Closing time 20 minutes

To ensure that the valve will thermostatically close the

Maximum differential pressure to ensure reliable and quiet

operation is 0.2 bar.

1. Handwheel

2. Cover cap

3. Lockshield valve

4. Olive

5. Nut

6. Tail piece

7. Valve body V120EUBGB15

4 5 4 5

differential pressure must not exceed 1.0 bar.

Whilst Honeywell takes all reasonable and practical steps to

design and manufacture its products to comply with the

requirements of the Health and Safety at Work Act 1974, all

products must be properly used and purchasers are reminded

that their obligations under the Act are to ensure that the

installation and operation such products at place of work

should be safe and without risk to health.

Honeywell reserves the right at anytime and without notice to

change any product or any information contained in this

publication.

This product complies with BS 6284 Part 2 and EN215.

4. To shut off the manual valve

When removing the radiator for any reason the handwheel

supplied with the valve should be used to isolate the flow.

5. Fitting valve and lockshield

Copper Connections

Cut copper tube to an entry

depth of 10mm.

Radiator Connections

Screw 1/2’’ tailpiece into the tapping on radiator.

10mm

6. Lockshield valve

Install the lockshield opposite from manual valve.

1. Remove cover cap.

2. Turn the spindle clockwise till stop by using a pliers

3. Fit cover cap.

7. To shut off the lockshield valve

8. Servicing

Use the WV108M tool for cleaning

or replacement of the valve insert

without draining the system.

9. Check list

•Consider the use of an automatic by-pass valve

(e.g. Honeywell DU145) to ensure the specification is

adhered to.

•Check all connections for securing and leaks.

•Use clean pipework, free from swarf.

•Do not allow heat from blow torch onto body.

•Do not overtighten the head/body connection.

OPEN

SHUT

Honeywell Control Systems Ltd.

Honeywell House

Arlington BusinessPark

Bracknell, Berkshire RG12 1EB

T (0 1344) 65 60 00

F (0 1344) 65 62 40

www.Honeywelluk.com

EN1H-0417GE25-R1211

50071339-001 Rev. A

December 2011

Subject to change without notice

Manufactured for and on behalf of the Environmental and Combustion

Controls Division of Honeywell Technologies Sàrl, Rolle, Z.A.

La Pièce 16, Switzerland or its authorized representative.

Honeywell TRVs are recognised by the Energy Savings Trust.

UK Head Office

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