42
BURNER ASSEMBLY
GAS VALVE
INDUCER FAN
MOTOR ASSEMBLY
VESTIBULE PLATE
SUPPORT INSULATION
ASSEMBLY
HEATER TUBE
ASSEMBLY
SEAL STRIPS
(SPONGE RUBBER)
REGULATOR
GASKET
REGULATOR
RETAINER
WIND CAP ASSEMBLY
(SHOWN INVERTED
AS SHIPPED)
~
C08227
Fig. 51
−
Typical Heat Exchanger Assembly
Burners and Igniters
EQUIPMENT DAMAGE HAZARD
Failure to follow this CAUTION may result in
equipment damage.
When working on gas train, do not hit or plug
orifice spuds.
CAUTION
!
Main Burners
To access the burner section, open the heater access door
below the indoor fan panel. At the beginning of each
heating season, inspect for deterioration or blockage due
to corrosion or other causes. Observe the main burner
flames and adjust, if necessary. Flames should be conical
in shape and enter the heat exchanger tubes with minor
impingement on the sheet metal flame components.
Orifice Projection
Refer to Fig. 52 for maximum projection dimension for
the orifice face to manifold tube.
ORIFICE
1.00-in
(25.4 mm)
MANIFOLD
PIPE
C08211
Fig. 52
−
Orifice Projection
Removal and Replacement of Gas Train
See Fig. 46, Fig. 51 and Fig. 53.
1. Shut off the gas using the manual shutoff switch lo-
cated in the gas supply line.
2. Turn the gas valve ON/OFF knob to the OFF position.
Содержание 48TC 17 Series
Страница 39: ...39 C10818 Fig 45 RTU OPEN Control Module ...
Страница 82: ...82 APPENDIX IV WIRING DIAGRAMS cont C12615 Fig 73 48TC D17 D28 Control Diagram 208 230 3 60 460 575 3 60 ...
Страница 83: ...83 APPENDIX IV WIRING DIAGRAMS cont C12616 Fig 74 48TC D17 D28 Power Diagram 208 230 3 60 ...
Страница 84: ...84 APPENDIX IV WIRING DIAGRAMS cont C12266 Fig 75 48TC D17 D28 Power Diagram 460 3 60 ...
Страница 85: ...85 APPENDIX IV WIRING DIAGRAMS cont C12618 Fig 76 48TC D17 D28 Power Diagram 575 3 60 ...
Страница 86: ...86 APPENDIX IV WIRING DIAGRAMS cont C14061 Fig 77 48TC D17 D28 Control Diagram with Humidi MiZer ...
Страница 87: ...87 APPENDIX IV WIRING DIAGRAMS cont C12620 Fig 78 48TC D17 D28 Power Diagram 208 230 3 60 with Humidi MiZer ...
Страница 88: ...88 APPENDIX IV WIRING DIAGRAMS cont C12621 Fig 79 48TC D17 D28 Power Diagram 460 3 60 with Humidi MiZer ...
Страница 89: ...89 APPENDIX IV WIRING DIAGRAMS cont C12622 Fig 80 48TC D17 D28 Power Diagram 575 3 60 with Humidi MiZer ...
Страница 91: ...91 APPENDIX IV WIRING DIAGRAMS cont C13766 Fig 82 PremierLinkt System Control Wiring Diagram with Humidi MiZer ...
Страница 92: ...92 APPENDIX IV WIRING DIAGRAMS cont C13767 Fig 83 RTU OPEN Wiring Diagram ...
Страница 93: ...93 APPENDIX IV WIRING DIAGRAMS cont C13768 Fig 84 RTU OPEN Wiring Diagram with Humidi MiZer ...