Datasheet > 40002737-001

40002737-001

更新时间： 2022-01-18 16:03:00

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其他 - ETC		电机
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2页	73K
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MOTOR REPLACEMENT

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40002737-001 数据手册

INSTALLATION

INSTRUCTIONS

V4073A Motorised Mid-Position Valve

Application

The V4073A valve has been designed to control the flow of

water in a small bore domestic central heating system where

both radiator and hot water cylinder circulation are pumped.

It is typically suited for systems up to 90,000 Btu/h (26 KW).

Specifications

Voltage: 230-240V ~ 50Hz

Power consumption: 6W

Lead supplied: 1 metre, 5 core

Operating temperature range: +5 to +88°C

(Special models available for chilled water applications)

Maximum ambient temperature: +52°C

Pipe fitting sizes:

22mm & 28mm compression fitting, / " & 1" BSP

Dimensions and KV values: See diagrams

Spares available

Powerhead

Part No. 40003916-003

Part No. 40002737-003

Part No. 272742A CARD

Motor

Ball & ‘O’ Ring Kit

Installation

V4073A incorporates a manual

lever, the lever should normally

be in ‘AUTO’ position, but can

be moved to ‘MAN OPEN’

position for system draindown

and filling purposes only.

AUTO

MAN

OPEN

Before fitting the valve, read

through the plumbing and

wiring instructions.

This product MUST be

installed by a competent

person. The installation MUST conform to I.E.E.

Regulations and with The Electricity at Work Regulations.

A Class ‘A’ switch (having contact separation of at least

3mm in all poles) must be incorporated in the fixed wiring

as a means of disconnecting the supply. The system must

be appropriately fused.

Flow

Characteristics

Plumbing

The valve MUST NOT be fitted on the return pipework

under any circumstances. Flow from the boiler must be

connected to port AB, the radiator circuit to port A and the

hot water cylinder circuit to port B.

The valve may be plumbed in at any angle but must not be

mounted so that the valve head is below the horizontal

level of the pipework. In the unlikely event of a leak a

safety hazard could result.

Do not grip the valve head while making and tightening up

plumbing connections. Attach a spanner (32mm or 1 / " AF)

onto the valve body at each port, whilst tightening up the nuts.

Tighten compression nuts enough to make a watertight seal.

TAKE CARE NOT TO OVERTIGHTEN.

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