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Manual de usuario Armstrong World Industries, modelo HWC PREMIER 123

Fabricar: Armstrong World Industries
Tamaño del archivo: 2.86 mb
Nombre del archivo:
Idioma del manual:en
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Resumen del manual


To see simplified and detailed sequences of operation for the HWC122, 182, 242, 302 models equipped with the Fenwal Triton 2461D DSI Ignition Control, refer to pages 2-17 to 2-20. To see simplified and detailed sequences of operation for the HWC122, 182, 242, 302 models equipped with the Fenwal 05-29 Ignition Control, refer to pages 2-27 to 2-30. SEQUENCE OF OPERATIONS SRM-HW/HWC 2/99 Service Reference Manual UNIT TEAR DOWN Section 3 - Unit Tear Down Heating Section Heat Exchanger Removal ............................ 3-2 Induced Draft Blower Removal..................... 3-2 Cooling Section Chassis Removal ........................................ 3-4 Evaporator Blower Assembly Removal .......... 3-6 SRM-HW/HWC 8/99 UNIT TEAR DOWN Magic-Pak: HW/HWC UNIT TEAR DOWN HWC units are comprised of two major sections. The heating section is located in the top half of the unit. It contains the heat exchanger and the majority of the components associated with the heating function: controls, burners, switches, etc.... The total heating section is not removable as a complete unit. The heat exchanger may be removed separately for service (see below). The cooling section is located in the lower half of the unit. It contains the compressor, coils and motors that make up the refrigeration system. The cooling section is referred to as the “chassis” of the cooling system. The chassis is removable as a complete unit. Removal of the chassis allows service to be performed away from the job site, thus allowing a spare chassis to be installed to reduce downtime at a residence. Bench tests may be performed on chassis. See the Performance Test section beginning on page 9-11 for chassis performance data of both bench tested and installed units. Heating Section Heat Exchanger Removal: The heat exchanger may be removed from the unit through the front side. Refer to the following directions and Figure 3-1. To remove the heat exchanger: 1. Disconnect all power to the unit. 2. Shut off and disconnect the gas supply. 3. Open the burner access panel. 4. Remove the burner tray and the gas valve. 5. Remove the front heat section panel. 6. Remove the vestibule panel. 7. Remove the heat exchanger. Induced Draft (Combustion) Blower Removal: Refer to the following directions and Figure 3-1. To remove the induced draft blower: 1. Disconnect all power to the unit. 2. Shut off and disconnect the gas supply. 3. Remove the plate mounting screws. 4. Slide the induced draft blower out. SRM-HW/ Service Reference Manual UNIT TEAR DOWN PLATE MOUNTING SCREWS HEAT EXCHANGER FRONT HEAT SECTION PANEL HEATING SECTION CONTROL SECTION COOLING SECTION BURNER ACCESS PANEL INDUCED DRAFT BLOWER/ COMBUSTION BLOWER GAS VALVE VESTIBULE PANEL BURNER TRAY FILTER ACCESS DOOR Figure 3-1 SRM-HW/HWC 8/99 UNIT TEAR DOWN Magic-Pak: HW/HWC Cooling Section Chassis Removal: The cooling chassis may be removed from behind the filter access door. Refer to the following directions and Figures 3-1 to 3-4. To remove the cooling chassis: 1. Disconnect all power to the unit. 2. Shut off and disconnect the gas supply. 3. Remove the filter access door (Figure 3-1). 4. Disconnect L1 and L2 from the compressor contactor (Figure 3-2). 5. Disconnect the 6-pin low voltage molex plug (Figure 3-2). 6. Remove the filler panel by removing the four hold down screws (Figure 3-2). 7. Remove the right side chassis screw (Figure 3-2). 8. Remove the permagum seal on the base rails of the chassis (Figure 3-4). 9. Disconnect the drain tube from the evaporator drain pan (Figure 3-3). 10. Remove the chassis from the front of the unit, pulling it toward yourself (Figure 3-4). FILLER PANEL HOLD DOWN SCREWS L1/L2 WIRES 6-PIN LOW VOLTAGE MOLEX PLUG RIGHT SIDE CHASSIS SCREW Figure 3-2 SRM-HW/ Service Reference Manual UNIT TEAR DOWN 3-5 SRM-HW/HWC 8/99 EVAPORATOR BLOWER MOTOR COMPRESSOR EVAPORATOR DRAIN PAN EVAPORATOR EVAPORATOR DRAIN TUBE CONNECTION Figure 3-3 LOW VOLTAGE MOLEX PLUG PERMAGUM SEAL EVAPORATOR DRAIN TUBE CONNECTION DRAIN HOSE (NOT PICTURED) ARMSTRONG P/N 03613A001 17" LONG .63" (5/8") I.D. .13" WALL THICKNESS CHASSIS SHOWN PARTIALLY REMOVED Figure 3-4 3-6 UNIT TEAR DOWN Magic-Pak: HW/HWC SRM-HW/HWC 8/99 ROTATION MOUNTING SCREWS EVAPORATOR BLOWER ASSEMBLY CONTROL PANEL SCREWS CHASSIS BASE PERMAGUM SEAL (BETWEEN BASE RAIL AND CHASSIS BASE) Figure 3-5 Evaporator Blower Assembly Removal: The evaporator blower assembly is removable as one complete section. To remove the assembly, the chassis must be removed first (see page 3- 4). Refer to the following directions and Figure 3-5. To remove the evaporator blower assembly: 1. Remove the four mounting screws from the blower assembly. 2. Remove the four control panel screws. 3. Slide control panel toward yourself about 1". 4. Disconnect the electrical wiring to the motor. 5. Pull blower assembly up and out from chassis. Service Reference Manual COMPONENT LOCATION ILLUSTRATIONS Section 4 - Component Location Illustrations HW/HWC(3) Unit..............................

Otros modelos de este manual:
Los acondicionadores de aire - HWC PREMIER 122 (2.86 mb)
Los acondicionadores de aire - HWC PREMIER 243 (2.86 mb)
Los acondicionadores de aire - HWC PREMIER 302 (2.86 mb)
Los acondicionadores de aire - HWC PREMIER 182 (2.86 mb)

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