Chromalox PG433-1 Electric Heater User Manual


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5
MAINTENANCE
ELECRIC SHOCK HAZARD. Disconnect all power
before servicing or replacing heating elements.
The reflectors should be kept clean to obtain the maximum
radiant output.
Element Replacement
1. Remove Terminal Box Cover.
2. Disconnect lead wires from heater terminals.
3. Remove safety grills (if installed).
4. Remove retainer screw located on the reflector at the terminal end.
5. Loosen (2), 3/8" nuts from the terminal box bracket located on
the back of the heater and slide the entire heating element
assembly out of the reflector assembly.
6. Remove wires and jumper straps as required to replace the
failed heating element(s).
7. Remove bulkhead fitting nuts and washers.
8. Remove failed element and replace with a new element.
Replace only with genuine Chromalox "Arctic End" ele-
ments. Use of other elements will cause excess temperatures
inside terminal box.
9. Place gasket on the bulkhead fitting and insert terminals and
fittings into the element holes in the terminal box.
10. Place washers and nuts on bulkhead fittings and tighten.
11. Replace wiring and jumper straps ( see Fig. 4).
12. Reassemble by following the reverse procedures (steps 5
through 1)
RENEWAL PARTS IDENTIFICATION
Element Housing Terminal Box
ModelElement*** ReflectorSafety Screen Gasket
STAR-02A-11-PC PCN 106059 PCN 111878 132-304879-004
STAR-02A-81-P
PCN 106067
PCN 111878 132-304879-004
STAR-06A-83-P PCN 340638 132-304879-003
STAR-02A-21-P
PCN 106075
PCN 111878 132-304879-004
STAR-06A-23-P PCN 340638 132-304879-003
STAR-02A-71-P
PCN 106083
234-891755-004 PCN 111878 132-304879-004
STAR-06A-71-P PCN 340638 132-304879-003
STAR-02A-41-P
PCN 106091
PCN 111878 132-304879-004
STAR-06A-43-P PCN 340638 132-304879-003
STAR-02A-61-P
PCN 106104
PCN 111878 132-304879-004
STAR-06A-63-P PCN 340638 132-304879-003
STAR-05A-81-P
PCN 106403
PCN 111894 132-304879-004
STAR-14A-83-P PCN 340857 132-304879-003
STAR-05A-21-P
PCN 106411
PCN 111894 132-304879-004
STAR-14A-23-P PCN 340857 132-304879-003
STAR-05A-71-P
PCN 106796
234-891-755-002 PCN 111894 132-304879-004
STAR-14A-71-P PCN 340857 132-304879-003
STAR-05A-41-P
PCN 106964
PCN 111894 132-304879-004
STAR-14A-43-P PCN 340857 132-304879-003
STAR-05A-61-P
PCN 106972
PCN 111894 132-304879-004
STAR-14A-63-P PCN 340857 132-304879-003
Parts Common to All Models:
Bulkhead fitting gasket . . . . . . . . . . . . . . . 132-895735-008
Bulkhead fitting washer . . . . . . . . . . . . . . . 328-890675-014
Bulkhead fitting nut . . . . . . . . . . . . . . . . . . 200-890615-031
Element Support . . . . . . . . . . . . . . . . . . . . . 291-304869-002
Vinyl Grip. . . . . . . . . . . . . . . . . . . . . . . . . . 024-304894-001
Parts Common to STAR, 06A-P and 14A-P Models:
Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333-557518-001
End Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . 039-510848-001
*** Includes element supports
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