1.8 INJECTOR SIZE
1.8.1 Natural Gas
Model
Pilot Burner
Cross-lighter
Main Burner
G1808X
51
0.026
2 x Ø2.38mm
G1838X
51
0.026
2 x Ø3.3mm
G1848X
51
0.026
4 x Ø2.38mm
1.8.2 Propane Gas
Model
Pilot Burner
Cross-lighter
Main Burner
G1808X
35
0.016
2 x Ø1.47mm
G1838X
35
0.016
2 x Ø1.95mm
G1848X
35
0.016
4 x Ø1.47mm
1.9 GAS PRESSURE ADJUSTMENT
1.9.1 Supply Pressures
A pressure test point is fitted on the burner manifold and
the operating pressure is shown in the tables below.
On G1848X model, burner pressure should be set
with both pans turned on.
An adjustable governor is required on Natural Gas
models.
Gas type
mbar
inches w.g
Natural Gas
20
8
Propane Gas
37
14.8
1.9.2 Natural Gas Burner Pressures
Model
mbar
inches w.g.
G1808X
13
5.2
G1838X
11.2
4.48
G1848X
13
5.2
1.9.3 Propane Gas Burner Pressures
Model
mbar
inches w.g.
G1808X
35.6
14.2
G1838X
34.5
13.8
G1848X
35.6
14.2
1.10 BURNER ADJUSTMENTS
1.10.1 Pilot
No adjustment is available.
Main Burner
No aeration adjustment is necessary, however gas
pressure should be set as per value shown in Section 1.9.
SECTION 2 -
ASSEMBLY and COMMISSIONING
2.1 ASSEMBLY
The unit is packed as a complete assembly.
2.2 APPLIANCES ON CASTORS
For units on castors, refer to guidelines in BS6173.
These state that where wheels, castors or rollers are
used, these must be fitted with a brake or locking device.
This should be accessible to operator from front or side.
2.3 CONNECTION TO A GAS SUPPLY
Gas supply piping and unit connection must be installed
in accordance with regulations listed on front page of this
document.
A gas isolating cock must be fitted to the supply in a
position that is readily accessible to operator.
2.4 CONNECTION TO AN ELECTRICAL SUPPLY
Not applicable to these units.
2.5 CONNECTION TO A WATER SUPPLY
Not applicable to these units.
2.6 PRE-COMMISSIONING CHECK
Prior to operation, ensure that all packing material has
been removed from unit.
2.6.1 Setting The Gas Pressure
a) It is necessary to check gas pressure during
commissioning. A suitable pressure gauge must be
connected to test point on supply manifold.
b) Turn on main gas valve at supply.
c) Light burners as detailed in User Instructions.
The supply pipes may contain air therefore it may be
necessary to repeat lighting procedure.
d)
Natural gas models only
. Adjust governor to setting
as detailed in Section 1.9.
e) Disconnect pressure gauge from test point. Replace
sealing screw and test gas soundness.
2.7 INSTRUCTION TO USER
After installing and commissioning the fryer, hand User
Instructions to operator or purchaser. Ensure details to
light, turn off, use and clean are properly understood.
The main gas isolating valve location should be made
known to user and the procedure for operation in event of
an emergency should be demonstrated.
