Cranborne THI 10-50c, Installation, Commissioning And Servicing Instructions

Page: 50 / 66

- 51 -
GAS CONVERSION
Air inlet of burner :
- Gently separate the fan (7) from the burner (4) at
the level of the flange (3),
- Insert the air reducer (6) into the air inlet sleeve of
the burner,
- Gently refit the fan (7) together with its joint to the
burner flange (3).
Gas valve outlet:
- Remove the nut securing the gas tube (2) to the
gas valve (1),
- Fit the propane gas reducer (9) and o-ring (10) at
the outlet of the gas valve (1),
- Fit the gas tube/gas valve assembly and check
that the flat joint (8) is fitted correctly,
- Check that between the gas tube (2) and gas val-
ve (1) is gas-tight (burner on) by using a foaming
product,
- Check the CO2/CO rate (refer setting table § 3.2
- page 53).
Air inlet of burner :
- Gently separate the fan (7) from the burner (4) at
the level of the flange (3),
- Take off the air reducer (6) into the air inlet sleeve
of the burner,
- Gently refit the fan (7) together with its joint to the
burner flange (3).
Gas valve outlet:
- Remove the nut securing the gas tube (2) to the
gas valve (1),
- Take off the propane gas reducer (9) and o-ring
(10) at the outlet of the gas valve (1),
- Fit the gas tube/gas valve assembly and check
that the flat joint (8) is fitted correctly,
- Check that between the gas tube (2) and gas val-
ve (1) is gas-tight (burner on) by using a foaming
product,
- Check the CO2/CO rate (refer setting table § 3.2
- page 53).
TH
I-
36
-0
8
9
10
Po
V
Pi
K
PL
2
1
3
4
5
6 7
Fig. 46
1) Gas unit
2) Gas pipe
3) Flange Burner/fan
4) Burner
5) Air/Gas servo-control
6) Brass air reducer
7) Fan
8) Flat seal
9) Gas reducer
10) Gas reducer o-ring
2.1 - Conversion from Natural Gas to
Propane
2.2 - Conversion from Propane to Natural
gas