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TABLE OF CONTENTS

Specifications .................................................................................................................... 4
Performance Data............................................................................................................. 6
Component Operation & Testing ....................................................................................... 4
Compressors .................................................................................................................... 4
Thermal Overload ............................................................................................................. 4
Checking Compressor Efficiency ...................................................................................... 5
Fan Motor ......................................................................................................................... 5
System Control Switch ...................................................................................................... 5
Run Capacitor ................................................................................................................... 6
Thermostat ........................................................................................................................ 6
Triac/Control Assembly ..................................................................................................... 7
Low Ambient By-Pass Valve ............................................................................................. 8
Sealed Refrigeration System Repairs ............................................................................... 8
Hermetic Component Replacement .................................................................................. 9
Special Procedure in the case of Compressor Motor Burn-Out ........................................ 9
Rotary Compressor Special Troubleshooting & Service ................................................... 10
Refrigerant Charge ........................................................................................................... 10

TROUBLESHOOTING
Troubleshooting SH14J30A .............................................................................................. 11
Troubleshooting SH20J30A .............................................................................................. 16

WIRING DIAGRAM
SH14J30A / SH20J30A .................................................................................................... 14

PARTS LIST
SH14J30A / SH20J30A Model Chassis Parts List ............................................................ 18
SH20J30A / SH20J30A Model Cabinet Parts List ............................................................ 19

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Содержание 2001 Hazardgard SH14J30A-1

Страница 1: ...AMERICA S BEST AIR CONDITIONER 2001 HAZARDGARD ROOM AIR CONDITIONER Service Parts Manual Models SH14J30A 1 SH14J30A A SH20J30A 1 SH20J30A A HG2001 8 01...

Страница 2: ...Ambient By Pass Valve 8 Sealed Refrigeration System Repairs 8 Hermetic Component Replacement 9 Special Procedure in the case of Compressor Motor Burn Out 9 Rotary Compressor Special Troubleshooting Se...

Страница 3: ...0J30A 1 SH20J30A A BTUH 14000 14000 19000 18800 E E R Btu watt 8 0 8 0 8 5 8 5 Volts 230 208 230 208 Hertz Phase 60 1 60 1 Amperes 7 8 8 5 9 9 10 8 Total Watts 1750 1750 2235 2210 Fuse Breaker Size 15...

Страница 4: ...g as one hour for the compressor to cool sufficiently for the internal overload to close COMPRESSOR WINDING TEST See Figure 1 Remove the compressor terminal box cover and disconnect the wires from the...

Страница 5: ...on terminal of the capacitor and the black lead The motor should run at high speed CHECKING COMPRESSOR EFFICIENCY The reason for compressor inefficiency is normally due to broken or damaged suction an...

Страница 6: ...ortant to the successful operation of the unit is the position of the sensing bulb in relation to the evaporator See Figure 7 RANGE Thermostat Part No 618 225 02 60 F 2 to 90 F 4 FIGURE 7 SENSING BULB...

Страница 7: ...ted circuit board to the TRIAC causing it to switch on starting the compressor If the compressor fails to start and the compressor has been tested by the direct start method and the thermostat tests s...

Страница 8: ...e by pass valve outlet which connects to the suction process tube When the low side pressure reaches approximately 50 psig the valve will begin to open and the tube will get hot This method will deter...

Страница 9: ...emble the system including a new drier strainer and capillary tube 5 Proceed with processing as outlined under hermetic component replacement HERMETIC COMPONENT REPLACEMENT The following procedure app...

Страница 10: ...only into the low side The introduction of liquid into the low side without the use of a capillary tube will cause damage to the discharge valve of the rotary compressor ROTARY COMPRESSOR SPECIAL TRO...

Страница 11: ...Heat sink triac shorted PROBLEM POSSIBLE CAUSE TO CORRECT Turn to highest temperature setting to see of unit will cycle off Disconnect power to the unit Remove cover of thermostat and check if contac...

Страница 12: ...ge at compressor terminals If voltage is satisfactory replace compressor Check windings for continuity and resistance Direct test compressor If direct test fails replace compressor Thermostat contacts...

Страница 13: ...and remove old sealer from base pan and shroud Apply new sealer reinstall and check Clean with steam or detergent Adjust fan blade to 1 2 clearance from condenser coil Evaporator drain pan cracked or...

Страница 14: ...14 WIRING DIAGRAM FOR SH14J30A SH20J30A...

Страница 15: ...15 Hazardgard Cabinet Parts...

Страница 16: ...16 Hazardgard Chassis Parts...

Страница 17: ...803 47 Capacitor 25 7 5 MFD 440 Volt 1 1 8 618 298 00 Holder Thermostat 1 1 1 1 613 891 00 Connector E M T 1 1 1 1 618 212 00 Harness Wire Compressor 1 1 1 1 618 208 01 Harness wire Fan Motor 1 1 1 1...

Страница 18: ...rd 1 1 1 1 22 605 420 03 Fan Blade 1 1 22 605 420 04 Fan Blade 1 1 23 606 106 03 Blower Wheel 1 1 23 606 106 01 Blower Wheel 1 1 24 618 033 00 Inner Wall 1 1 24 618 047 00 Inner Wall 1 1 25 618 025 00...

Страница 19: ...Side 2 2 41 618 198 03 Angle Wingboard Side 2 2 42 606 103 03 Gasket Vinyl 1 1 1 1 608 460 16 Bag Assembly Hardware 1 1 1 1 617 173 01 Gasket Chassis Foam 1 1 1 1 618 116 20 Carton Shipping 1 1 618 1...

Страница 20: ...Friedrich Air Conditioning Co 4200 North Pan Am Expressway P O Box 1540 San Antonio Texas 78295 1540 USA Tel 210 357 4400 Fax 210 357 4480 Printed in the U S A HG02001 8 01 Certified Parts Use Factor...

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