L.B. White Premier, Инструкция и руководство пользователя

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Premier Ductable Heaters
Owner’s Manual • Premier 350 2.0
23
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 fire
or explosions, leading to injury or death to
humans, and property damage.
FIG. 32
4. Remove burner retaining bolt from under base at gas
control end of heater. See Fig. 33.
FIG. 33
5. Pull the gas train assembly so orifice is exposed. See
Fig. 34. Replace control valve or orifice if needed.
FIG. 34
Gas Pressure Checks
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 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.
Screws
Wiring
Orifice
Copper washer
Burner bolt