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(See figure 13 for identification)
VENT BOX ASSEMBLY C/W: Burner assembly and Brass trim.
1 Simulated coal front
L & R Hand coal support shelves
2 Burner inserts
12 Large, 5 Medium and 2 Triangular Coals.
Fitting kit
Installation & Users Instructions.
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If a fire back (chair brick) is fitted in the existing builders opening it will be necessary to remove it together with
any infill or rubble. Any remedial work should be carried out including levelling the base beneath the fire. The
sizes required for the opening are shown in Fig 2.
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To prevent any damage and to assist with the installation of the appliance both the burner and the trim should be
removed. The trim is removed by lifting the trim vertically observing that the lugs locate over the flanges of the
box. To remove the burner from the box unscrew the two screws at the base of the fascia panel and pull the burner
forward observing that the rear feet locate under two lugs in the base panel.
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BEFORE COMMENCING WORK, TURN OFF ANY APPLIANCES THAT ARE FED BY THE METER
AND ISOLATE THE SUPPLY BY TURNING OFF AT THE METER.
The gas connection to this appliance is made with 8mm O/D rigid or semi rigid tube to a pressure test elbow
situated on the left-hand side of the burner as shown in Fig 1. It advisable to provide a means of isolating the gas
supply to the appliance for servicing with either a restrictor elbow or isolation cock as shown in Fig 1. A 45mm
length of Bundy is supplied for use with a restrictor elbow or a 90 degree bend for use with an isolation cock; (the
supply tube support bracket may be removed as shown in Fig 4. Provision is made in the rear of the box to make a
concealed connection; (additional holes may be drilled as required). The installer is reminded of the requirements
of BS 6891 1988 dealing with enclosed pipes. The standard requires that when a gas pipe is fed through a wall, the
pipe should be enclosed in a tight sleeve to protect against failure caused by movement and shall be constructed to
prevent a passage of gas either between the pipe and sleeve or sleeve and the wall. If a gas supply is required to be
fed from either the left or right across the front of the appliance it should be routed as shown in Fig 7. It is only the
MACH II Cast Iron Front & Fret that has provision for this requirement alternative Fronts & Frets will need
modifying to allow access for the supply tube, see Fig 5. If a JB front and fret is being used it will require two
stops to be fitted using the self-tap screws and spacers shown in Fig 7.
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