Gas Pressure Checks - L.B.White Premier TS350DF Manual Del Usuario E Instrucciones

FIG. 30
4. Remove burner retaining bolt from under base at gas
control end of heater. See Fig. 31.
FIG. 31
5. Pull the gas train assembly so orifi ce is exposed. See
Fig. 32. Replace control valve or orifi ce if needed.
FIG. 31
Orifi ce
Copper washer
Screws
Burner bolt
Owner's Manual • Premier 350
Premier Ductable Heaters

Gas Pressure Checks

WARNING
Burn Hazard
■ 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
physical damage occurs to the control valve
assembly.
■ Failure to follow this warning will result in fi re
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 specifi c 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 Description
2 Gas pressure gauges capable of
reading up to 35 in.W.C./8.7 kPa.
(Available from L.B.White Company
if desired)
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.
B. Gauge Installation
1. Locate the gas control pressure tap, see Fig. 33.
Remove the pressure tap plugs using a 3/16 in.
allen key.
2. Securely connect pressure gauges at these points.
3. Open the fuel supply valves to the heater and recon-
nect the heater electrical supply.
4. Start the heater
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