2.2
Connection to the Gas Supply
Installation should be carried out in accordance with the various regulations listed on the cover of this
document.
On NATURAL gas appliances, the adjustable governor supplied, MUST be fitted to gas circuit and
securely fixed in a position that enables adjustment to be carried out during commissioning.
PROPANE appliances do not require a governor.
Ensure that gas isolating cock is fitted to the supply in convenient proximity to the grill.
Gas supply tubing or hose shall comply with the national requirements in force, and shall be
periodically examined and replaced as necessary. The tubing or Flexible hose must not
exceed 1.5m in length.
2.3
Connection to an Electrical Supply
Not applicable to this appliance.
2.4
Connection to a Water Supply
Not applicable to this appliance.
2.5
COMMISSIONING
2.5.1 Testing and Purging
Pressure test installation for gas soundness and purge any air from the supply.
2.5.2 Gas Pressure and Burner Flame Adjustment
a) Remove RH Side Panel.
b) Fit a pressure gauge to test point and light grill.
c) With burner at Full Flame position, setting pressure should be as detailed in Section 1.9. On
Natural gas models, adjust governor as required.
d) With gas control in the Full Flame position, check the flame cone is approximately 30mm in length.
If necessary, adjust by means of the aeration screw in burner throat. Tighten locknut when
complete. (Refer to Section 1.10.)
e) Check all burner ports cross light satisfactorily.
f) Turn control to Low Flame position and check that flame cone reduces in length.
Note -
LOW Flame position is set at factory. Re-setting is NOT necessary in normal conditions.
If Low flame adjustment is required, i.
e. when appliance has been converted from another gas, refer
to section 2.5.3. below.
2.5.3
Adjusting Low flame/Turndown Setting
.
a) Remove RH Side Panel and Control panel.
b) Fit a pressure gauge to test point and light grill.
c) With gas control turned to Low/Turndown position, observe manometer and adjust low position
screw on gas control,(
situated below spindle)
to give following pressures;
Natural gas (I
2
h)
– 3.5 millibar.
Propane gas (I
3
P)
– 9 millibars.
2.5.4 Soundness Checking and Re-assembly
