Service Reference Manual COMPONENT LOCATION ILLUSTRATIONS

4-3

HW/HWC122, 182, 242, 302

FENWAL IGNITION CONTROL - 2 MODELS (*24)

FENWAL TRITON 2461D 900-227 - ARMSTRONG P/N 43110-002

FENWAL 05-29 - ARMSTRONG P/N 39048B001

(SEE NOTE BELOW)

MAIN LIMIT

 

SWITCH (*52)

INDUCED DRAFT BLOWER/

FLUE BOX

COMBUSTION BLOWER (*63)

ARMSTRONG P/N 41144-001

 

 

GAS VALVE (*7)

 

WHITE RODGERS 25K49-120

 

ARMSTRONG P/N 43108-001

 

COMBUSTION AIR INLET (5")

HEATING SECTION

 

 

BURNER COVER

 

BURNER TRAY ASSEMBLY

CONTROL SECTION

BECKETT BURNER MODELS:

TL109A-26K

 

TL109B-38K

 

TL109C-51K

 

TL109D-64K

COOLING SECTION

INDIVIDUAL BURNERS (*34)

 

 

BECKETT - ARMSTRONG P/N 41948-001

 

ARMSTRONG - ARMSTRONG P/N 39006B001

 

FLAME ROLLOUT SWITCH (*55)

PRESSURE SWITCH (*57)

NOTE:

SEE COMPONENT SECTION FOR FURTHER

DETAIL OF IGNITION/BLOWER CONTROL MODELS

FIGURE 4-2

The numbers in parentheses in the drawing above refer to the section number each part is assigned. These num- bers are provided here to aid in locating the parts in the Parts List section found beginning on page 8-1.

SRM-HW/HWC 2/99

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Armstrong World Industries 243, 302, 123, 203, 183 manual HW/HWC122, 182, 242