Armstrong 242 - Manual

Armstrong 242

Armstrong 242 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Armstrong Air Conditioning Inc.; Disclaimer
  • Page 3 – TABLE OF CONTENTS; - Sequence of Operations; If you need information on:
  • Page 4 – Section 1 - Specifications; Summary of Model Revisions/Variations 1-3
  • Page 5 – SPECIFICATIONS; Models Covered By This Manual; HWC Gas Heating/Electric Cooling Units; Model Number Guide; 4 = Armstrong Factory Number
  • Page 6 – Summary of Model Revisions/Variations; Heating Configurations of HW/HWC Units; if
  • Page 7 – Physical and Electrical; Physical and Electrical Specifications - HWC Units
  • Page 9 – Dimensions; Blower Performance - HWC Units; Measurements from Side and
  • Page 10 – Wall Sleeve; Flanges may be assembled
  • Page 11 – Section 2 - Sequence of Operation
  • Page 13 – BLANK PAGE
  • Page 14 – Connection Diagram; outdoor; temperatures fall below the
  • Page 15 – CALL FOR HEAT; After 90 seconds, the circulating air blower stops.; FAN ON; Detailed Sequence follows
  • Page 16 – POWER
  • Page 18 – FAILED FLAME SENSE/TRIAL FOR IGNITION
  • Page 26 – (w/Fenwal Triton 2461D DSI Ignition Contr; temperatures fall
  • Page 27 – CALL FOR COOLING; blower control boards have a G “on”; Tridelta; blower control boards have no
  • Page 29 – LIMIT OPENS
  • Page 39 – FLAME SENSE
  • Page 40 – Low Voltage
  • Page 47 – temperatures fall below the normal operating
  • Page 50 – Section 3 - Unit Tear Down; Heating Section
  • Page 51 – UNIT TEAR DOWN; heating section; Heat Exchanger Removal:
  • Page 53 – To remove the cooling chassis:
  • Page 54 – PERMAGUM SEAL
  • Page 55 – Evaporator Blower Assembly Removal:
  • Page 56 – Section 4 - Component Location
  • Page 57 – COMPONENT LOCATION ILLUSTRATIONS
  • Page 60 – SIDE VIEW
  • Page 61 – HWC Chassis Assembly
  • Page 62 – TOP VIEW — HWC CHASSIS ASSEMBLY; HWC Chassis Assembly - Top View
  • Page 64 – Section 5 - Unit Components
  • Page 65 – UNIT COMPONENTS
  • Page 66 – Unit Components; Note: Secondary leads may exit from top of transformer.; Primary; Quick Connect; Transformer Specifications
  • Page 67 – Gas Valve Specifications; White-Rodgers Gas Valve
  • Page 68 – Main Valve Common Terminal; /8 NPT Inlet Pressure Tap; FLOW; /8 NPT Outlet Pressure Tap
  • Page 69 – 4VAC Heat Call; Blower Control Board Specifications; Off Delay Timing - 90 seconds; United Technologies Blower Control Board 1010-611
  • Page 70 – Heatcraft Blower Control Board IBC-H4C401
  • Page 71 – FENWAL; Ignition Control Specifications
  • Page 72 – Only one code is displayed at a time.; Triton 2461D Diagnostic Flash Code
  • Page 73 – FENW; Fenwal 05-29 Ignition Control
  • Page 74 – United Technologies Model 1097 Integrated Control
  • Page 75 – UTech Model 1097 Diagnostic Flash Code
  • Page 76 – Heat Mode
  • Page 77 – Blower motors operate at a fixed speed.; Magnetek JBIMI37NS Induced Draft Blower
  • Page 78 – Burner Specifications; Burners
  • Page 79 – Flame Carryover Problems; Carryover “wing” on burner is plugged with insects or debris; Inshot Burners
  • Page 80 – Hole Diameter; FIGURE 5-13 Manifold Orifice; ll
  • Page 81 – Open Contact; Contactor Specifications
  • Page 82 – Note: Several different main limit switches are used.; Refer to the parts; Terminal; FIGURE 5-15 Camstat Main Limit Switch
  • Page 83 – Flame Rollout Switch
  • Page 84 – Electrical Switch; FIGURE 5-18 Pressure Switch
  • Page 85 – Pressure Switches; Pressure Switch Problems; Pressure switch hose/tubing for cracks or loose connections
  • Page 86 – Blocked Intake; WARNING
  • Page 87 – Blocked Flue; Checking Pressure Switch Operation
  • Page 88 – What Is Needed for the Tests; Note: For each procedure, the schematic shows the original factory; Terminology
  • Page 89 – A Word About the “Switch Closed” Value
  • Page 90 – FIGURE 5-20 Incline Manometer Connection
  • Page 93 – Tube; Manufacturer: Tecumseh; Side View; il
  • Page 94 – Tecumseh Reciprocating Compressor Specifications
  • Page 95 – Manufacturer: Copeland; FIGURE 5-23 Copeland Compressor; Typical T’Box
  • Page 96 – Discharge Fitting; FIGURE 5-24 Copeland Compressor; Copeland Compressor Specifications
  • Page 97 – Armstrong Part Number
  • Page 98 – All part numbers provided are Armstrong par t numbers.; HWC Capillary Tube Specification Tables*
  • Page 99 – All bends 90° unless otherwise noted.
  • Page 103 – Evaporator Blower Motor Specifications; Condenser Fan Motor Specifications
  • Page 104 – Armstrong
  • Page 105 – AIR FLOW; Rotation
  • Page 107 – FIGURE 5-39 Exterior Grill Panels
  • Page 108 – Section 6 - Installation
  • Page 109 – INSTALLATION
  • Page 110 – Installation; Location; HW/HWC Installation and Maintenance Instructions
  • Page 112 – Make sure the gaskets attached to the sleeve are not damaged.; CAUTION
  • Page 113 – Provide a support; . Make sure that the inside; Support; These; The sheet metal in the
  • Page 114 – HWC Drain Installation; Venting; No special provisions are required for supplying combustion air.
  • Page 115 – Required Clearances for Direct Vent Terminals
  • Page 116 – Seal any unused openings in the common venting system.; See National Fuel; Gas Connections
  • Page 117 – Insert Removal; When conver ting a low NO; the NO; in the vest panel after the inserts are removed.
  • Page 118 – Gas Supply Piping
  • Page 119 – Minimum Circuit Ampacity; Thermostat
  • Page 120 – Temperature Rise
  • Page 121 – INPUT
  • Page 123 – Section 7 - Accessories
  • Page 124 – A C C E S S O R I E S; Accessories; Note: Complete instructions are packaged with each kit or its; HW/HWC Accessory Kit Index
  • Page 125 – CA-239 Wall Sleeve Kit; Inspection of Shipment; Wall Sleeve Assembly; This is required to assure Magic-Pak unit will slide into
  • Page 126 – CA-239 Wall Sleeve Kit Assembly
  • Page 127 – Wall Sleeve Installation; Recessed Wall Sleeve Installation
  • Page 128 – Magic-Pak Installation
  • Page 129 – A242-1 Wall Sleeve Adaptor Kit; Wall Sleeve Adaptor Kit Assembly; To assemble the adaptor kit:
  • Page 130 – Re-fasten the screws that were removed in step 1.; Installing the HW/HWC Unit
  • Page 131 – A242-1 Wall Sleeve Adaptor Kit Assembly
  • Page 132 – Assembly
  • Page 133 – ALVR Architectural Aluminum Extended Louver
  • Page 134 – Install the top rubber spacer in the compressor mounting legs.
  • Page 137 – AHALT390-1 High Altitude Kit; Regulator - Natural Gas; To check this pressure:
  • Page 138 – Cubic Feet Per Revolution
  • Page 139 – ATIMR466-1 Short Cycle Protector Kit; Time Delay
  • Page 140 – ADAPT420-2 Chassis Conversion Kit
  • Page 141 – Fenwal Triton Ignition Control Kit; Triton Ignition Control Kit Parts List
  • Page 142 – TL109 Burner Tray Kit; Installation instructions
  • Page 143 – Discharge; AMUFFKT494-1 Kit Discharge Muffler Installation; AMUFFKT494-1 Discharge Muffler Kit; * AMUFFKT494-1 is designed to be used only with HWC182 units.
  • Page 144 – Section 8 - Parts Lists
  • Page 145 – PARTS LISTS; REC ST; Last letter of the Model # is the Service Level.; SERVICE LEVEL; PART DESCRIPTION; REVISED
  • Page 150 – REF
  • Page 187 – TROUBLESHOOTING; Troubleshooting; Compressor Checkout; Initial Testing; Use extreme caution when conducting the following tests.; The power
  • Page 188 – Checking Windings; S to R (Start Windings through Common and Run Windings)
  • Page 189 – Checking the Thermal Overload Device
  • Page 190 – There are several reasons why a compressor would overheat.
  • Page 191 – trillionth
  • Page 192 – MFD
  • Page 193 – there is only approximately ten seconds to do this; Example; *For 50 Hz electrical systems, use 3180 as the constant multiplier.
  • Page 194 – Performance; Performance Checkout; Performance Tests (Chassis Installed in Unit); HWC122 Performance Test (Chassis Installed); Based on a normally installed cooling chassis; HWC182 Performance Test (Chassis Installed)
  • Page 195 – HWC302 Performance Test (Chassis Installed); HWC242 Performance Test (Chassis Installed)
  • Page 196 – 5° Ambient Temperature Chassis Bench Test; Charge Weights; HWC Refrigerant Charge Weights
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Service Reference Manual

HWC Thru-the-Wall Units

Models:

HWC Premier

122, 182, 242, 302
123, 183, 243, 303

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Summary

Page 2 - Armstrong Air Conditioning Inc.; Disclaimer

SRM-HW/HWC 8/99 Copyright © 1998 Armstrong Air Conditioning Inc. All rights reserved. Disclaimer This 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...

Page 3 - TABLE OF CONTENTS; - Sequence of Operations; If you need information on:

Service Reference Manual TABLE OF CONTENTS SRM-HW/HWC 8/99 TABLE OF CONTENTS 1 - Specifications 2 - Sequence of Operations 3 - Unit Tear Down 4 - Component Location Illustrations 5 - Unit Components 6 - Installation 7 - Accessories 8 - Par ts Lists 9 - Tr oubleshooting/Per for mance/ Char ge Weights...

Page 4 - Section 1 - Specifications; Summary of Model Revisions/Variations 1-3

1-1 SRM-HW/HWC 8/99 Service Reference Manual SPECIFICATIONS Section 1 - Specifications Models Covered By This Manual ............ 1-2 Model Number Guide ............................ 1-2 Product Serial Numbers(Beginning 1993) ................................. 1-2 Summary of Model Revisions/Variations...

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