HANDLING MANUAL
SERVICE MANUAL
RAYPAK HI DELTA BOILERS/WATER HEATERS
WITH FAN ASSISTED PREMIX BURNERS
63
4.4.
CONVERTION TO ANOTHER TYPE OF GAS
For converting to another gas type:
-
Replace all gas orifices! The lower side panel must
be removed from the front of the gas appliance!
Make sure that all gaskets and seals are closing
tight at the end of the replacement!
-
Set the low gas pressure switch, supply gas
pressure and burner gas pressure to the value
required for the new gas type!
-
Indicate the adjusted gas type on the appliance!
!
The supply pressure measured at the inlet of the
gas valves shall never exceed 200 mbar!
Exceeding
gas pressures can damage the gas valves.
The PB
gas operated appliances differ from those
intended for natural gas. Appliances intended for
one gas type cannot be operated on another gas
without being converted. Never attempt to do so
because you might cause danger of life!
Converting the appliance to other gas type is
allowed only by an authorized service listed in the
warranty.
Model
Quantity of
Orifices
Orifice Diameter/
Identifying Number
For G20 Gas
Orifice Diameter/
Identifying Number
For G25,1 and G27,1 gases
Orifice Diameter/
Identifying Number
For G30 and G31 Gases
Pieces
mm/#
mm/#
mm/#
HD 992 ACE
11
2,85/#285
3,20/#320
1,45/#145
HD 1262 ACE
14
2,85/#285
3,20/#320
1,45/#145
HD 1532 ACE
17
2,85/#285
3,20/#320
1,45/#145
HD 1802 ACE
20
2,85/#285
3,20/#320
1,45/#145
HD 2002 ACE
23
2,85/#285
3,20/#320
1,45/#145
HD 2072 ACE
23
2,85/#285
3,20/#320
1,45/#145
HD 2342 ACE
26
2,85/#285
3,20/#320
1,45/#145