Operating Instructions For TD/TAD4 Dual Fuel Burner
June 13 20 of 165 TD/TAD4 Manual Rev 4
2.2
Gas Valve mounting
2.2.1
Burner fitted with Unibloc
The Unibloc gas valve is
a heavy item and will
require two persons to lift
it into position and secure
in place using bolts
provided.
The Unibloc is shipped
pre - connected. Please
consult electrical wiring
diagram for electrical
connections.
Governor shown is
supplied with every
burner using a Unibloc
gas valve and should be
installed according to
guidelines illustrated
below and approximately
10 pipe diameters
upstream of the gas valve.
Pipe work and isolating valve are supplied by others.
Important:
The installer must install a 90° turn type isolation ball valve next to or in close proximity to
the burner and capable of rapid operation.
The manual valve must be capable of operating at a pressure equal to 1.5 times the maximum
supply pressure and where possible must be orientated in such a way that when the valve closes the
handle must fall from the vertical to the horizontal. The valve must have mechanical end stops to
prevent the ball valve from going below the 0° point or above the 90° point.
The gas supply pipework
must be adequately
supported to prevent undue
stress on the burner casing or
the gas train components.
Gas supplies greater than
500mbar must be governed
down to a suitable gas
pressure below 500mbar
using a CE approved high
pressure gas governor. The
gas governor or should be
fitted as per manufactures
instructions, copies available
on request
.
Typical Gas train installation
is shown on the right
Summary of Contents for TAD4
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