Blank | Armstrong World Industries 183, 243, 302, 242, 122, 123, 203, 182

Service Reference Manual

SEQUENCE OF OPERATIONS

2-21

BLANK PAGE

SRM-HW/HWC 2/99

Image 31

Armstrong World Industries 183, 243, 302, 242, 122, 123, 203, 182 manual Blank

Contents

Models HWC Premier 122, 182, 242, 302 123, 183, 243 Service Reference Manual Disclaimer Table of Contents Heating Configuration Table Cooling Configuration Table Specifications Model Number Guide Models Covered By This ManualProduct Serial Numbers, Beginning Cooling Configurations of HWC Units Heating Configurations of HW/HWC UnitsSummary of Model Revisions/Variations Performance Ratings HWC122/123 Physical and Electrical Specifications HWC UnitsPhysical and Electrical Performance Ratings Performance Ratings HWC302/303 Performance RatingsPerformance Ratings HWC182/183 Performance Ratings HWC242/243 Blower Performance HWC Units Blower Performance Wall Sleeve all measurements in inches Service Reference Manual Dimensions HWC122,182,242,302 Fenwal 2461D Ignition Control Sequence of OperationHWC123,183,243,303 HW Heating Only Utec 1097 Spark Ignition System HW Heating Only Fenwal 05-29 Ignition Control HWC122,182,242,302 Fenwal 05-29 Ignition ControlHWC123,183,243,303 Low Ambient Control HWC122,182,242,302 Blank United Technologies 1097 Spark Ignition System Connection Diagram Refer to Figure Simplified Sequence HWC123,183, 243Detailed Sequence follows Low Voltage 24 VAC L1 PowerL2 Power Line Voltage LIMIT/ROLLOUT Opens Failed Flame SENSE/TRIAL for Ignition FAN on HW Heating Only Simplified Sequence HW w/UTEC 1097 Board At pin 6 of the 6-pin ignition wire harness LIMIT/ROLLOUT Opens Failed Flame SENSE/TRIAL for Ignition Blank Fenwal Triton 2461D DSI Ignition Control HWC122, 182, 242 Refer to Figure 2 on the contactor Second black wireTerminal R on the blower control board Limit Opens FAN on Blank #39247D2 Simplified Sequence HW w/Fenwal 2461D Board Terminal on the blower control board Low Voltage 24 VAC First black wire 1 on the ignition control Limit Opens Only Fenwal 05-29 Ignition Control Refer to Figure Power Limit Opens FAN on Blank Circuits Energized Simplified Sequence HW w/Fenwal 05-29 Board Circulating air blower capacitor terminal Second black wire First black wire 1 on the ignition moduleTerminal L-1 on the blower control board Low Voltage 24 VAC Flame Sense HWC123, 183, 243, 303 Low Ambient HWC123,183, 243 Low Ambient Model HWC122, 182, 242, 302 Low Ambient HWC122,182, 242 Low Ambient Model Cooling Section Chassis Removal Evaporator Blower Assembly RemovalUnit Tear Down Heating Section Induced Draft Combustion Blower Removal Heat Exchanger Removal Unit Tear Down Chassis Removal 63 5/8 I.D Evaporator Blower Assembly Removal Component Location Illustrations Service Reference Manual Component Location Illustrations HW/HWC123,183,243,303 HW/HWC122, 182, 242 HW/HWC Panels HW/HWC Exterior Louver/Grill Panel HWC Chassis Assembly Armstrong P/N 03982D004 Armstrong P/N 16.5 x 25 x 10.75 xBand Armstrong P/N 07407B000 Arms Armstrong P/N 07408B004 63 5/8 Unit Components Unit Components 208/240 VAC Transformer SpecificationsTransformer *1 24 VAC Secondary White-Rodgers 25K49-120 Gas Valves *7 Honeywell 8105 Series Gas Valve Specifications 24VAC Heatcraft Blower Control Board IBC-H4C401 Ignition Controls *24 Ignition Control SpecificationsFenwal Triton 2461D Triton 2461D Diagnostic Flash Code Diagnostics Fenwal Triton 2461D Fenw Integrated Blower/Ignition Control *24 Integrated Control SpecificationsUnited Technologies Model United Technologies Model 1097-400-1 Fan On Delay Heat ModeFan Off Delay Induced Draft Blower *63 Induced Draft Blower Specifications Burners *34 Burner Specifications 11 Inshot Burners Flame Carryover Problems Manifold Orifices *13 Manifold Orifice Specifications Contactor *278 Contactor Specifications 15 Camstat Main Limit Switch Main High Limit Switch *52 17 Flame Rollout Switch Flame Rollout Switch *55 Pressure Switch Specifications Pressure Switch *57 Pressure Switches Pressure Switch Problems Blocked Intake Blocked Flue Terminology What Is Needed for the Tests Word About the Switch Open Value Word About the Switch Closed ValueProcedure for Checking Pressure Switch 20 Incline Manometer Connection Compressors *262 Compressor Specifications on next RLA LRA Side View Tecumseh Rotary Compressor SpecificationsManufacturer Tecumseh Top View 22 Tecumseh Reciprocating Compressor Tecumseh Reciprocating Compressor Specifications Manufacturer Copeland Copeland Compressor SpecificationsLayout 24 Copeland Compressor Side View Drier-Filters *301 10 Drier-Filter Specifications Armstrong Part Number HWC Capillary Tubes *256 HWC Capillary Tube Specification Tables 26 43267-001 Capillary Tubes 30 43281-001 Capillary Tubes 34 39102B001 Capillary Tubes 12 39102B001 Specifications Dual Single Capacitors *27113 Capacitor Ratings Armstrong Volts Condenser Fan Motor Outdoor Motor *267 14 Evaporator Blower Motor Specifications15 Condenser Fan Motor Specifications Evaporator Blower Motor Indoor Blower *69 16 Run Capacitor Ratings Capacitors-Run *86Armstrong Rating 37 Fan Blades HWC Models 122, 182 & 123 Fan Blades *268 38 Fan Blades HWC Models 242, 302 & 243 39 Exterior Grill Panels Exterior Grill Panels Not Listed in the Parts Lists Installation Installation and Operation in Extremely Cold Weather Areas Location HW/HWC Installation and Maintenance Instructions Installation HW/HWC Installation Installing With a Wall Sleeve Installing Without a Wall Sleeve Condensate Drain HWC Models HWC Drain Installation Required Clearances for Direct Vent Terminals Removal of Unit from Common Venting System NOx Insert Removal Gas Supply Piping HW/HWC Pressure Regulator Temperature RiseMinimum Required Surface Area for Disposable Filters Cubic Feet Per Revolution 3600 Heating Adjustments Cooling Section HWC modelsHigh Altitude Adjustments U.S. Installa- tions High Altitude Adjustments Canadian Instal- lations Installation and Operation in Extremely Cold Weather Areas HW/HWC Accessory Kit Index Accessories Codes in any way Components and accessories. These instructions shouldIntended as a general guide only, for use by qualified Personnel, and do not supersede any national or local CA-239 Wall Sleeve Kit Wall Sleeve Assembly CA-239 Wall Sleeve Kit Assembly CA-239 Parts List Recessed Wall Sleeve Installation Wall Sleeve Installation Weather Sealing Magic-Pak Installation A242-1 Wall Sleeve Adaptor Kit Wall Sleeve Adaptor Kit Assembly Attachment to HW/HWC Installing the HW/HWC Unit A242-1 Wall Sleeve Adaptor Kit Assembly A242-1 Parts List Installation AssemblyALVR42 Architectural Aluminum Louver Facade Alvr Architectural Aluminum Extended Louver 34961A001 Compressor Vibration Isolator Kit 34961A001 Parts List ALPKT389-2 L.P. Gas Conversion Kit ALPKT389-2 Parts ListALPKT389-2 Orifices AHALT390-1 High Altitude Kit AHALT390-1 Parts ListRegulator Natural Gas Regulator Propane Accessories ATIMR466-1 Short Cycle Protector Kit ATIMR466-1 Parts List ADAPT420-2 Chassis Conversion Kit 10 ADAPT420-2 Parts List Fenwal Triton Ignition Control Kit 11 Triton Ignition Control Kit Parts List TL109 Burner Tray TL109 Burner Tray Kit AMUFFKT494-1 Discharge Muffler Kit AMUFFKT494-1 Kit Discharge Muffler Installation HW-1 HWA-9 HWC123, 183, 243, 303S-1 Parts ListsHWC123, 183, 243, 303H-1 HWC3-A-1 HWC3-A-1 COMPRESSOR-AW501ET-089-A4 HWC182-242A-11 HWC182-242A-11 HWC122-242A-10 Revised HWC122-242A-10 26HWC122A-10 38HWC122A-10 38HWC242A-10 HWC182-9 HWC182-9 HWC242-302-9 HWC242-302-9 HWC-8 HWC-8cont REC Stocking Service Level COMP-ZR28K1-PFV HWC-6/7 HWC-6/7 HWC-5 HWC-5cont 64HWC302-5A Last letter of the Model # is the Service Level 64HWC302-5 a Last letter of the Model # is the Service Level HWC-4 HWC-4cont Capacitor 25/5 MFD@370VAC HWC-3 HWC-3cont 64HWC302-3A Last letter of the Model # is the Service Level CAP Tube Assy HWC-2 HWC-2cont HWC-1 HWC-1cont Coil Outdoor HW-1 HW-1cont HWA-9 HWA-9cont HWC3-S-1 HWC3-S-1 RELAY-CONDENSER FAN Motor HWC3-H-1 HWC3-H-1 COMPRESSOR-AW501ET-089-A4 Performance Troubleshooting Performance Charge WeightsTroubleshooting Performance Tests Installed Performance Tests Bench Tested Compressor Checkout TroubleshootingInitial Testing Further Testing Example #1 Checking Windings Checking the Thermal Overload Device Example #2 Troubleshooting Magic-Pak HW/HWC Capacitor Checkout Capacitor Testing Troubleshooting Example Determining Capacitance MFD Rating with a Test Cord Performance Checkout Performance Tests Chassis Installed in UnitHWC122 Performance Test Chassis Installed HWC182 Performance Test Chassis Installed HWC302 Performance Test Chassis Installed HWC242 Performance Test Chassis Installed Performance Tests Chassis Bench Tested 70 80 Ambient Temperature Chassis Bench TestAmbient Temperature Chassis Bench Test HWC Refrigerant Charge Weights