8. A qualified service agency must check for proper
operating gas pressure upon installation of the
heater.
9. Light according to instructions on heater or within
owner's manual.
10. Make sure the heater has the proper gas regulator for
the application. A regulator must be connected to the
gas supply so that gas pressure at the inlet to the gas
valve is regulated within the range specified on the
dataplate at all times. Contact your gas supplier, or
the L.B. White Co., Inc. if you have any questions.
11. This heater is configured for use for L.P. gas vapor
withdrawal only. Do not use the heater in an L.P. gas
liquid withdrawal system or application. If you are in
doubt, contact the L.B. White Co., Inc.
12. Eventually, like all electrical/mechanical devices, the
thermostat can fail. For heaters so equipped,
thermostat failure may result in an underheating
condition which may allow or cause damage to
construction materials, such as cement or drywall.
The thermostat should be tested to make sure it turns
the heater on and of f within a temperature
differential of ±3°F.
13. Take time to understand how to operate and maintain
the heater by using this Owner’s Manual. Make sure
you know how to shut off the gas supply to the
building and also to the individual heater. Contact
your fuel gas supplier if you have any questions.
14. Any defects found in performing any of the service or
maintenance procedures must be eliminated and
defective parts replaced immediately. The heater
must be retested by properly qualified service
personnel before placing the heater back into use.
8
BURNER AND GAS CONTROL ASSEMBLY
BURNER
PILOT BRACKET
SCREWS
ATTACHMENT NUT
THERMOCOUPLE
THERMOCOUPLE HOLDER
ATTENTION
■
Assembly of burner and gas control components
is required on Model 324 and 328 heaters. Refer
to following instructions and illustrations.
■
Model 326 and 330 heaters ship with gas control
components factory installed.
PILOT BURNER HEAD
PILOT ORIFICE
1. Attach pilot bracket to burner casting with machine
screws. Tighten the screws securely See Fig. 1.
FIG. 1
2. Align the threaded hole in the pilot burner head to
hole in the pilot bracket. Thread pilot orifice into pilot
head until hex of orifice butts up against pilot
bracket. See Fig. 2.
FIG. 2
3. Position the thermocouple within its holder on the
pilot bracket. Secure in place with its attachment
nut. Tighten the nut securely. See Fig. 3.
FIG. 3
4. Slide compression nut and sleeve onto the pilot tube.
Form the small screen around this end of the pilot
tube to prevent debris from entering the pilot orifice.
See Fig. 4.
