Balanced Flue

30
Installation Instructions
6c. Top Exit – Vertical Flue
Not suitable for a Wall Mounted appliance tted with a
Top Extension Section
6.50 Where a vertical only ue system has been purchased, refer
to Installation & Instructions, Site Requirements, Section 3D.
6.51 Pay careful attention to the following:
Terminal positions
Flue supports
Weatherproong
Fire precautions
6.52 Local and national codes of practice must be followed for all
the above.
6.53 A restrictor must be tted with vertical ues. See
Technical Specication on page 13 for restrictor sizes.
PLEASE NOTE: When installing the appliance in
conjunction with a vertical termination kit, there is a
unique kit for use with this appliance (Gazco Part No.
999-539). This kit differs in that it has restrictors with
sliding plates. Please ensure you have the correct kit
before proceeding with the installation.
6.54 It is important that the sliding restrictor assembly is used.
The restrictor assembly must be tted with the slide collars
uppermost and the top restrictor plate must be checked to
ensure it moves freely before the ue is tted.
Restrictor assembly
Slide collars
45
6.55 Replace the Top Box Section back panel:
Note: The back panel is not replaced in a Wall Mounted
installation when a Top Box Section is tted.
Locate the back panel under the top of the Top Box Section
and position so it sits ush with the casting.
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6.56 Secure with the 2 screws previously removed.
7. Gas Soundness Pressure Check
This is essential to expel any debris that may block the gas
controls.
7.1 Connect the gas to the 8mm elbow on the rear of the
appliance, see Diagram 47.
47
7.2 Connect a suitable pressure gauge to the test point located
on the inlet tting and turn the gas supply on. Light the
appliance and check all gas joints for possible leaks. Turn
the appliance to maximum and check that the supply
pressure is as stated on the databadge. Turn the gas off and
replace the test point screw, turn the gas on and check the
test point for leaks.