DEPARTMENT OF THE ARMY TECHNICAL MANUAL (FSN ) This copy is a reprint which includes current pages from Changes 1 through 3.

Transcription

1 TM DEPARTMENT OF THE ARMY TECHNICAL MANUAL TECHNICAL MANUAL OPERATOR, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL AIR CONDITIONER, HORIZONTAL COMPACT, 9,000 BTU (TRANE MODELS) 208V, 3 PHASE, 50/60 HERTZ, MODEL MAC6H O1-O3 (FSN ) 208V, 3 PHASE, 400 HERTZ, MODEL MAC4H (FSN ) 115V, 1 PHASE, 50/60 HERTZ, MODEL MAC6H (FSN ) 230V, 1 PHASE, 50/60 HERTZ, MODEL MAC6H (FSN ) This copy is a reprint which includes current pages from Changes 1 through 3. HEADQUARTERS, DEPARTMENT OF THE ARMY 9 SEPTEMBER 1971

2 TM TECHNICAL MANUAL HEADQUARTERS DEPARTMENT OF THE ARMY No WASHINGTON D. C., 9 September 1971 OPERATOR, ORGANIZATIONAL, DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL AIR CONDITIONER, HORIZONTAL COMPACT, 9,000 BTU (TRANE MODELS) 208V, 3 PHASE, 50/ 60 HERTZ, MODEL MAC6H (FSN ) 208V, 3 PHASE, 400 HERTZ, MODEL MAC4H (FSN ) 115V, 1 PHASE, 50/60 HERTZ, MODEL MAC6H (FSN ) 230V, 1 PHASE, 50/60 HERTZ MODEL MAC6H (FSN ) Paragraph Page CHAPTER 1. CHAPTER 2. I IV. V. CHAPTER 3. I IV. v. CHAPTER 4. I IV. V. VI. V VI IX. X. XI. X XI INTRODUCTION General Description and data OPERATING INSTRUCTIONS Service upon receipt of equipment Movement to a new worksite Controls and instruments Operation under usual conditions Operation under unusual conditions OPERATOR/CREW MAINTENANCE INSTUCTION: Basic issue items Lubrication. Preventive maintenance checks and services Troubleshooting Operator's maintenance of air conditioners ORGANIZATIONAL MAINTENANCE INSTRUCTIONS Service upon receipt of material Movement to a new worksite Repair parts, special tools and equipment Preventive maintenance checks and services Troubleshooting Radio interference suppression Maintenance of covers, louvers, and filters Maintenance of condenser coil. evaporator coil. and drains Maintenance of fresh air vent damper and control Maintenance of electrical system Maintenance of heaters and thermostatic switch Maintenance of fan motors Maintenance of fan motor switches and capacitors i

3 Paragraph Page XIV. XV. XVI. XV XVI CHAPTER 5. I IV. CHAPTER APPENDIX A. B. c. INDEX Maintenance of control rnodule Maintenance of junction box Maintenance of transformer, rectifier, and pressure switches Maintenance of compressor Maintenance of refrigeration system DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS Repair parts, special tools and equiprnent Troubledhooting General maintenance instructions Removal and installation of major components REPAIR INSTRUCTIONS Refrigeration system Electrical components REFERENCES MAINTENANCE ALLOCATION CHART BASIC ISSUE ITEM I-1 ii

4 Number l LIST OF ILLUSTRATIONS Title Air conditioner, left front 3/4 view with shipping dimensions... Air conditioners, right rear 3 / 4 view Air conditioner, top view. top covers removed... Control systen schematic diagram. 1 phase, 50/60 hertz, 115 volts Control system schenatic diagram, 1 phase. 50/60 hertz, 230 volts Control system schematic diagram. 3 phase. 50/60 hertz., 208 volts Wiring diagram. 1 phase..50/60 hertz,115volts Wiring diagram, 1 phase..50/60 hertz, 230 volts Wiring diagram. 3 phase. 50/60 hertz, 208 volts.... Wiring diagram, 3 phase, 400 hertz, 208 volts Base mounting holes Typical installation of air conditioner to enclosure Controls and instruments (sheet 1 of 2) Controls and instruments (sheet 2 of 2) Starting instructions for cooling... Operating instructions for cooling... Starting instructions for heating. Operating instructions for heating.... Operating instructions for ventilation Air conditioner stopping instructions R.F.I capacitors..... Evaporator air Iouvers and air filter , Fresh air vent screen. condenser guards. and condenser louver blades Louver blade push-on nuts and louver control attachment Housing covers Evaporator drain tubing.... Vent damper control Vent damper Heater thermostatic switch, exploded view. Heater elements and support Evaporator fan and motor assembly Condenser fan and motor... Condenser fan motor and mounting plate. exploded view Motor thermal protector housing Condenser fan motor thermostatic switch.... Fan motor capacitors.... Control module connector knob and bulb mounting Control module less cover. Junction box partially removed... Junction box components, exploded view... Transformer, rectifire, and pressure switches... Compressor and compressor run capacitor... Compressor start capacitor and relay... Refrigerant flow diagram... Compressor removal and installation Evaporator coil removal and installation... Condenser coil removal and installation... Condenser louver control... Condenser louver actuator cylinder, removal and installation... Charging valves, pressure relief valve and pressure switch connections removal and installation... Dehydrator, receiver and solenoid valves, removal and installation... Thermal expansion valve, removal and installation Quench valve and pressure regulator valve, removal and installation Discharging and evacuating refrigerant system... Charging refrigerant system (sheet 1 0f 2)... Charging refrigerant system (sheet 2 of 2)... Solenoid valve, exploded view... Fan motor, exploded view... Control module, exploded view... Page iii

5 CHAPTER 1 INTRODUCTION. Scope a. These instructions are published for the use of the personnel to whom the Trane Company Models MAC6H , MAC6H , MAC6H , and MAC4H Air Conditioners are issued. Chapters 1 through 4 provide information on the operation, preventive maintenance services, and organizational maintenance of the equipment, accessories, components, and attachments. Chapters 5 and 6 provide information for direct and general support maintenance. Also included are descriptions of main units and their functions in relationship to other components. b. The Organizational, Direct, and General Support Maintenance Repair Parts are listed and illustrated in TM P (when printed). c. Preparation, care and removal of equipment in administrative storage will be in accordance with the applicable requirements of TM (Administrative Storage of Equipment). GENERAL d. Instructions for destruction of material to prevent enemy use will be in accordance with TM (Procedures for Destruction of Equipment to Prevent Enemy Use) Forms and Records Maintenance forms, records, and reports which to be used by maintenance personnel at maintenance levels are listed in and prescribed TM are all by 1-3. Reporting of Errors Report of errors, omissions, and recommendations for improving this publication by the individual user is encouraged. Reports should be submitted on DA Form 2028 (Recommended Changes to Publications) and forwarded direct to the Commanding General, U. S. Army Mobility Equipment Command, ATTN: AM SME-MPP, 4300 Goodfellow Boulevard, St. Louis, Mo, Section DESCRIPTION AND DATA 1-4. Description designed for cooling and heating air to a desired a. General. Air conditioners, Models MAC6H9- pre-determined range and circulating the con , MAC6H , MAC6H9- ditioned air to provide heating or cooling of , and MAC4H (fig. equipment or personnel within the air conditioned thru 1-3) are lightweight, compact, horizontal units area.

6 SHIPPING DIMENSIONS I LENGTH HEIGHT WIDTH VOLUME WEIGHT 26.0 inches 16.0 inches 23.8 inches 5.7 cubic feet 200 pounds ME /1-l Figure. Air conditioner, left front 3/4 view with shipping dimensions. 1-2