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參數資料
| 型號： | V4073A1088 |
| 英文描述： | VALVE DIVERTER 28MM |
| 中文描述： | 閥門轉向器28毫米 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 70K |
| 代理商： | V4073A1088 |
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
1
/
4
" 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.
Plumbing
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,
3
/
4
" & 1" BSP
Dimensions and KV values: See diagrams
Spares available
Powerhead
Motor
Ball & ‘O’ Ring Kit
Part No. 40003916-003
Part No. 40002737-003
Part No. 272742A CARD
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.
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.
INSTALLATION
INSTRUCTIONS
AUTO
MAN
OPEN
A
M
O
Flow
Characteristics
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