Service Reference Manual - Gray Cooling Man Air ...

1 Service Reference ManualHWC Thru-the-Wall UnitsModels:HWC Premier122, 182, 242, 302123, 183, 243, 303 SRM-HW/HWC 8/99 Copyright 1998 Armstrong Air Conditioning rights Manual presents information and guidelines for proper installation, adjustment, operationand maintenance of Armstrong Magic-Pak HW/HWC Thru-the-Wall units. Read this manualbefore attempting assembly, installation, start-up, adjustment or operation of the unit. If you haveany questions about the operation of the unit or a particular safety device, call or write Arm-strong Air Conditioning Inc., 421 Monroe Street, Bellevue, Ohio USA 44811. Telephone: 419-483-4840 Fax: 419-483-3557 The documentation and drawings contained in this Manual are intended as a general guide, andmay not reflect exactly the current designs, or all of the options available to our call or write Armstrong Air Conditioning Inc. regarding specific details of a particularfurnace model, configuration or information and specifications contained in this Manual are subject to change without no-tice.

2 Armstrong Air Conditioning Inc. reserves the right to change such specifications at any timewithout incurring obligation. Every effort has been made to ensure the accuracy of the informa-tion in this Manual . For the most current information, please contact the Armstrong CustomerService document is confidential. All information within is the sole property of Armstrong Air Condi-tioning Inc. and is loaned for mutual assistance. It may not be used for any purpose other thanoriginally intended, without prior written consent of Armstrong. It is not intended for use byhomeowners or as a guide for do-it-yourself projects. It provides specialized information for useby qualified Service personnel, who have the proper equipment, training and experience neces-sary to safely install, repair, adjust and maintain the Magic-Pak units and components Reference ManualTABLE OF CONTENTSSRM-HW/HWC 8/99 TABLE OF CONTENTS1 - Specifications2 - Sequence of Operations3 - Unit Tear Down4 - Component Location Illustrations5 - Unit Components6 - Installation7 - Accessories8 - Parts Lists9 - Troubleshooting/Performance/Charge WeightsGo to:If you need information on.

3 Section 1 Performance, electrical data and cabinet 2 Sequence of operation descriptions with accompanying 3 Complete description of unit 4 Locations of major components of HW/HWC 5 Illustrations and specifications for individual components including valves,blowers, ignition controls and blower control 6 Installation requirements and startup 7 Complete listing of all Armstrong accessories available, including wallsleeves, louvers and gas conversion 8 Complete Service parts lists for all HW and HWC 9 System check and troubleshooting 8/99 Service Reference ManualSPECIFICATIONSS ection 1 - SpecificationsModels Covered By This Manual .. 1-2 Model Number Guide .. 1-2 Product Serial Numbers(Beginning 1993) .. 1-2 Summary of Model Revisions/Variations 1-3 Heating Configuration Table .. 1-3 Cooling Configuration Table .. 1-3HW/HWC .. 1-4 Physical and Electrical .. 1-4 Performance Ratings .. 1-4 Blower Performance.

4 1-6 Dimensions .. 1-6 Wall Sleeve .. 1-71-2 SPECIFICATIONSM agic-Pak: HW/HWCSRM-HW/HWC 8/99 Models Covered By This ManualHWC Gas Heating/Electric Cooling UnitsHW122, 123HW182,183HW242, 243HW302, 303HW Gas Heating Only Units26HW38HW51HW64 HWModel Number Guide26 = Rated Input BTU/Hr x 1000H = Gas HeatW = Thru-the-WallC = Cooling12 = Nominal Cooling BTU/Hr x 10002 = Cooling Efficiency 2 - SEER2A = Revision Code26 HWC122 -- 2 AHW/HWC ModelsProduct Serial Numbers, Beginning 19938495A1234584 = Armstrong Factory Number95 = Year (ex: 1995)A = Month (see list below)12345 = Sequential NumberA = JanB = FebC = MarD = AprE = MayF = JuneG = JulyH = AugJ = SeptK = OctL = NovM = Dec1-3 SRM-HW/HWC 8/99 Service Reference ManualSPECIFICATIONSS ummary of Model Revisions/Variations* For more information on the compressors used in HWC units, see the Unit Components section, beginning on page b l e 1 - 1 H e a t i n g C o n f i g u r a t i o n s o f H W / H W C U n i t sTa b l e 1 - 2 C o o l i n g C o n f i g u r a t i o n s o f H W C U n i t sledoMnoitarugifnoCEUFA lortnoCrewolB/noitingInoitingIepyT1-)303 ,342,381,321(CWH)llA(/taeHsaGlooCcirtcel E087901lortnoCrewolB/noitingInoitanibmoC hceTUISD9-WH)llA(ylnOtaeHsaG087901lortno CrewolB/noitingInoitanibmoChceTUISD)203, 242,281,221(CWH)llA(5-,6-,7-,8-,9-,01-,1 1-/taeHsaGlooCcirtcelE08D1642notirTlawne F:lortnoCnoitingI,104C4 HCBI tfarctaeH.

5 LortnoCrewolB0101hceTUro8400B029atledirT ISD)203,242,281,221(CWH)llA(1-,2-,3-,4-/ taeHsaGlooCcirtcelE0892-50lawneF:lortnoC noitingI,104C4 HCBI tfarctaeH:lortnoCrewolB0101hceTUro8400B0 29atledirTISD ledoMnoitarugifnoCegannoTREES*epyTrosser pmoCeciveDgnireteM1-321 CWH)llA( )llA( )llA( )llA( ,11-281 CWH)llA(6-,7-,9 ,11-242 CWH)llA( ,01-221 CWH)llA(1-,3-,4-,5-,8 ,01-242 CWH)llA(1-,3-,4-,5-,8 )llA( ,5-,8-281 CWH)llA(2-,3-,4- ,5-,8-203 CWH)llA(1-,3-,4- )llA( : HW/HWCSRM-HW/HWC 8/99 Physical and ElectricalHW/HWCP erformance RatingsTa b l e 1 - 3P h y s i c a l a n d E l e c t r i c a l S p e c i f i c a t i o n s - H W C U n i t sledoM/ )spma(.pmoCdetaRdaoL)spma(.pmoCdekcoLrot oR)spma(. ).ni(.moNMPR edistuOnaFdetaRdaoL)spma( ).ni( ).zo(thgieW).sbl(321/221 CWH621/06 b l e 1 - 4P e r f o r m a n c e R a t i n g s - H W C 1 2 2 / 1 2 3 Note: All values are gross capacities and do not include blower motor heat 67 71 Outdoor Air Temperature Entering Outdoor Coil85 95 105 115 )MFC(latoTgnilooCyticapaC)hutB(.

6 PmoCsttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 8/99 Service Reference ManualSPECIFICATIONSP erformance Ratings (continued)Ta b l e 1 - 5P e r f o r m a n c e R a t i n g s - H W C 1 8 2 / 1 8 3Ta b l e 1 - 6P e r f o r m a n c e R a t i n g s - H W C 2 4 2 / 2 4 3Ta b l e 1 - 7P e r f o r m a n c e R a t i n g s - H W C 3 0 2 / 3 0 3 Note: All values are gross capacities and do not include blower motor heat 67 71 Outdoor Air Temperature Entering Outdoor Coil85 95 105 115 Note: All values are gross capacities and do not include blower motor heat 67 71 Outdoor Air Temperature Entering Outdoor Coil85 95 105 115 Note: All values are gross capacities and do not include blower motor heat 67 71 Outdoor Air Temperature Entering Outdoor Coil85 95 105 115 )MFC(latoTgnilooCyticapaC)hutB(.

7 PmoCsttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S )MFC(latoTgnilooCyticapaC)hutB(.pmoCstta WtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S )MFC(latoTgnilooCyticapaC)hutB(.pmoCstta WtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.pmoC sttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S 58yrDbluBlatoTgnilooCyticapaC)hutB(.

8 PmoCsttaWtupnItaT/S 57yrDbluBtaT/S 08yrDbluBtaT/S : HW/HWCSRM-HW/HWC 8/99 Dimensions (all measurements in inches)Blower PerformanceModelBlower SpeedCFM @ ext. static pressure - in. with filter(s) ,242,302 HWC183,243,303 SUPPLY AIR DUCT CONNECTION8" x 16"LOW VOLTAGETHERMOSTAT CONNECTIONSHIGH VOLTAGEJUNCTION BOX4" x 4" x 2"GAS LINECONNECTIONRETURN AIR OPENING ON BOTTOM6" x 22" " DUCT CONNECTION FLANGE29716/"4318/"2778/"Ta b l e 1 - 8B l o w e r P e r f o r m a n c e - H W C U n i t siH056516575045deM574054524004woL5145040 93083iH578528577527deM058508067017woL036 506575055412"634"Measurements from Side andTo p t o C e n t e r o f Ve n t O u t l e t1-7 SRM-HW/HWC 8/99 Service Reference ManualSPECIFICATIONSWall Sleeve (all measurements in inches)221686 ReturnSupply111 SupplyLowVol tageLine VoltageBox Gas Inlet38413/427/8133/8431/8277/8297/1627/ 8 Dimensions (cont.)291645221 or 334 Flanges may be assembled1" or 3 from this side of the sleeve34"1212"15 or 1214 Service Reference ManualSEQUENCE OF OPERATIONS2-1 SRM-HW/HWC 2/99 Section 2 - Sequence of OperationHWC123,183,243,303.

9 2-4 Simplified Sequence .. 2-5 Detailed Sequence .. 2-6 POWER .. 2-6 CALL FOR HEAT .. 2-6 LIMIT/ROLLOUT OPENS .. 2-7 PRESSURE SWITCH OPENS (BLOCKED FLUE) .. 2-7 FAILED FLAME SENSE/TRIAL FOR IGNITION .. 2-8 CALL FOR Cooling .. 2-8 FAN ON .. 2-9HW (Heating Only)(w/UTEC 1097 Spark Ignition System) 2-10 Simplified Sequence .. 2-11 Detailed Sequence .. 2-12 POWER .. 2-12 CALL FOR HEAT .. 2-12 LIMIT/ROLLOUT OPENS .. 2-13 PRESSURE SWITCH OPENS (BLOCKED FLUE) .. 2-13 FAILED FLAME SENSE/TRIAL FOR IGNITION .. 2-14 FAN ON .. 2-14 HWC122,182,242,302(w/Fenwal 2461D Ignition Control) .. 2-16 Simplified Sequence .. 2-17 Detailed Sequence .. 2-18 POWER .. 2-18 CALL FOR HEAT .. 2-18 LIMIT OPENS .. 2-19 PRESSURE SWITCH OPENS (BLOCKED FLUE) .. 2-19 ROLLOUT SWITCH ACTIVATED .. 2-19 CALL FOR Cooling .. 2-19 FAN ON .. 2-20HW (Heating Only)(w/Fenwal 2461D Ignition Control) .. 2-22 Simplified Sequence .. 2-23 Detailed Sequence.

10 2-24 POWER .. 2-24 CALL FOR HEAT .. 2-24 LIMIT OPENS .. 2-25 PRESSURE SWITCH OPENS (BLOCKED FLUE) .. 2-25 ROLLOUT SWITCH ACTIVATED .. 2-25 SPECIFICATIONSM agic-Pak: HW/HWC2-2 SRM-HW/HWC 2/99 HWC122,182,242,302(w/Fenwal 05-29 Ignition Control) .. 2-26 Simplified Sequence .. 2-27 Detailed Sequence .. 2-28 POWER .. 2-28 CALL FOR HEAT .. 2-28 FLAME SENSE .. 2-29 LIMIT OPENS .. 2-29 ROLLOUT SWITCH ACTIVATED .. 2-29 CALL FOR Cooling .. 2-29 FAN ON .. 2-30HW (Heating Only)(w/Fenwal 05-29 Ignition Control) .. 2-32 Simplified Sequence .. 2-33 Detailed Sequence .. 2-34 POWER .. 2-34 CALL FOR HEAT .. 2-34 FLAME SENSE .. 2-35 LIMIT OPENS .. 2-35 ROLLOUT SWITCH ACTIVATED .. 2-35 HWC123,183,243,303w/Low Ambient Control .. 2-36 HWC122,182,242,302w/Low Ambient Control .. 2-38 Service Reference ManualSEQUENCE OF OPERATIONS2-3 SRM-HW/HWC 2/99 BLANK PAGESPECIFICATIONSM agic-Pak: HW/HWC2-4 SRM-HW/HWC 2/99 FIGURE 2-1 Connection DiagramGREENBLACKBLKMORNORNVIOLETREDBLUE WHTREDBLACKBLUEYELLOWWHITEGREENREDFLAME RODELECTRODE462 RGWCYBLACKBLACKBLACKGASVALVEMANUAL RESETLIMIT SWITCHCOMBUSTIONBLOWERREDBLUEYELLOWREDYE LLOWD208 VREDBLUE240 VCAPACITORCAPACITORBLOWER208/230-1-60 POWER SUPPLYCOPPER CONDUCTORSONLY}THERMOSTAT}JUMPER REQUIRED**HIGH(BLACK)HIGH(BLACK)HIGH(BLA CK)64 HWC30364 HWC303 HIGH(BLACK)MED (BLUE)51 HWC30351 HWC303 MED (BLUE)MED (BLUE)HIGH(BLACK)HIGH(BLACK)64 HWC24364 HWC243 MED (BLUE)MED (BLUE)MED (BLUE)51 HWC24351 HWC243 MED (BLUE)MED (BLUE)LOW (RED)38 HWC24338 HWC243 LOW (RED)LOW (RED)HIGH(BLACK)HIGH(BLACK)64 HWC18364 HWC183 LOW (RED)LOW (RED)MED (BLUE)51 HWC18351 HWC183 LOW (RED)LOW (RED)LOW (RED)38 HWC183 MED (BLUE)MED (BLUE)HIGH(BLACK)HIGH(BLACK)38 HWC12338 HWC123 MED (BLUE)MED (BLUE)LOW (RED)26 HWC12326 HWC123T2T1L2L1 COOLINGCOOLINGHEATINGHEATINGMODELSMODELS EVAP.