Gas Pressure Checks - L.B.White Premier 350 DF Instrucciones Y Manual Del Propietario

FIG. 32
Wiring
4. Remove burner retaining bolt from under base at gas
control end of heater. See Fig. 33.
FIG. 33
Burner bolt
5. Pull the gas train assembly so orifice is exposed. See
Fig. 34. Replace control valve or orifice if needed.
FIG. 34
Orifice
Copper washer
Premier Ductable Heater

Gas Pressure Checks

■ Do not disassemble the gas control valve.
■ Do not attempt to replace any components of the
gas control valve.
■ The gas control valve must be replaced if any
Screws Screws
physical damage occurs to the control valve
assembly.
■ Failure to follow this warning will result in fire
or explosions, leading to injury or death to
humans, and property damage.
ATTENTION
■ The following explains a typical procedure to be
followed in checking gas pressures.
■ The gas pressures will vary depending upon fuel type.
■ Consult the dataplate on the heater or page 4 in this
manual for specific pressures to be used in conjunction
with this procedure.
■ Gas pressure measured at the inlet to the gas valve
is Inlet Pressure and gas pressure measured at the
outlet of the gas valve is Burner Manifold Pressure.
MATERIALS REQUIRED
Quantity
2
A. Preparation
1. Disconnect the heater from the electrical supply and
close the fuel supply valve to the heater.
2. Open the case access panel at burner end of
heater.
3. Brush or blow off any dust or dirt in the vicinity of
the gas control valve.
Owner's Manual • Premier 350DF 2.0
WARNING
Burn Hazard
Description
Gas pressure gauges capable of
reading up to 35 in.W.C./8.7 kPa.
(Available from L.B.White Company
if desired)
23