Related Manuals for Friedrich HazardGard SH14J30B-A
Summary of Contents for Friedrich HazardGard SH14J30B-A
- Page 1 2004 Service & Parts Manual HazardGard ® Room Air Conditioner MODELS SH14J30B-A SH20J30B-A HG2003(1-03)
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Page 2: Table Of Contents
TABLE OF CONTENTS PAGE Specifications ........................... 3 Performance Data ..........................3 Component Operation & Testing ...................... 4 Compressors ........................... 4 Thermal Overload ..........................4 Checking Compressor Efficiency ..................... 5 Fan Motor ............................5 Solid State Relay ..........................5 System Control Switch ........................6 Run Capacitor .......................... -
Page 3: Specifications
SH14J30B-A SH20J30B-A SPECIFICATIONS 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 Fan RPM 1095 1095 Evaporator Air CFM Dehumidification-Pts./hr. Width 25-15/16” 25-15/16” Height 15-15/16” 17-15/16” Depth 27-3/8”... -
Page 4: Component Operation & Testing
COMPONENT OPERATION AND TESTING COMPRESSOR WINDING TEST (Figure 2.) Remove the compressor terminal box cover and WARNING disconnect the wires from the terminals. Using an ohmmeter, check continuity across the following: DISCONNECT ELECTRICAL POWER TO THE UNIT BEFORE SERVICING OR TESTING FIGURE 2 COMPRESSOR WINDING TEST COMPRESSORS... -
Page 5: Checking Compressor Efficiency
GROUND TEST FAN MOTOR (Figure 4) Use an ohmmeter set on its highest scale. Touch A 230 volt single phase permanent split capacitor one lead to the compressor body (clean point of motor is used to drive the evaporator blower and contact, as a good connection is a must) and the condenser fan. -
Page 6: System Control Switch
SYSTEM CONTROL SWITCH (Figure 6) CAPACITOR – TEST This switch is double pole, single throw. Check for 1. Remove the capacitor from the unit. continuity between terminals 2 and 3, and 5 and 6. 2. Check for visual damage such as bulges, cracks, or leaks. - Page 7 TEST Remove the wires from the thermostat. Turn the Note: The temperature must be within the thermostat to its coldest position. Check to see if range listed to check the thermostat. Refer to there is continuity between the two terminals. Turn the troubleshooting section in this manual for the thermostat to its warmest position.
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Page 8: Low Ambient Bypass Valve
LOW AMBIENT BYPASS VALVE (Figure 9) SEALED REFRIGERATION SYSTEM REPAIRS EQUIPMENT REQUIRED: The HazardGard unit is designed to operate at low outside ambient temperatures. This is 1. Voltmeter accomplished by the use of a bypass valve installed 2. Ammeter in the refrigeration circuit. The valve is connected 3. -
Page 9: Hermetic Component Replacement
HERMETIC COMPONENT REPLACEMENT NOTE: This procedure can be speeded up by The following procedure applies when replacing the use of heat lamps, or by breaking the components in the sealed refrigeration circuit or vacuum with refrigerant or dry nitrogen at 5,000 repairing refrigerant leaks. -
Page 10: Rotary Compressor Special Troubleshooting & Service
Use your wiring diagram to insure damage to the discharge valve of the rotary the correct connections. compressor. NOTE: All inoperative compressors returned to Friedrich must have all lines properly plugged with the plugs from the replacement compressor. -
Page 11: Troubleshooting
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE TO CORRECT Power disconnected. Check power source. System switch in “Off” position. Set switch correctly. Unit does not Branch circuit fuse blown or Replace fuse, reset breaker. If repeats, check fuse or breaker run. circuit breaker tripped. size. - Page 12 TROUBLESHOOTING (Continued) PROBLEM POSSIBLE CAUSE TO CORRECT Allow a minimum of two (2) minutes to allow pressures to Compressor attempts to start equalize before attempting to start. before system pressures are Compressor equalized. attempts to Check voltage with unit operating. Check for other appliances Low or fluctuating voltage.
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Page 13: Troubleshooting
TROUBLESHOOTING (Continued) PROBLEM POSSIBLE CAUSE TO CORRECT Switch (On-Off) Selector Switch Relay Replace selector switch. Replace relay. does not cut fan motor off. PROBLEM POSSIBLE CAUSE TO CORRECT Poor installation. Refer to Installation Instructions for proper installation. Noisy and/or Adjust motor mount to attain proper fan blade and blower Fan blade striking chassis. -
Page 14: Wiring Diagram
WIRING DIAGRAM FOR SH14J30B-A & SH20J30B-A... -
Page 15: Cabinet Parts Diagram
HazardGard Cabinet Parts... -
Page 16: Chassis Parts Diagram
HazardGard Chassis Parts... -
Page 17: Parts List
HAZARDGARD PARTS LIST REF. PART NO. DESCRIPTION APPLICATION ELECTRICAL PARTS 611-935-49 Compressor, Tecumseh, 230/208V; 60 Hz 1 Ph, Model AWG5515EXN ..... 611-935-50 Compressor, Tecumseh, 230/208 V; 60 Hz 1 Ph, Model AWG5519EXN ....618-714-26 Motor, Fan 1/8 HP ......................618-714-27 Motor, Fan 1/4 HP ...................... - Page 18 HAZARDGARD PARTS LIST REF. PART NO. DESCRIPTION APPLICATION CHASSIS PARTS (Cont.) 618-028-02 Partition, Control Box ......................618-043-02 Partition, Control Box ......................618-204-00 Bracket, Capacitor Mounting..................... 618-207-01 Strap, Capacitor ......................... 618-226-02 Decorative Panel ....................... 618-306-00 Plate, Inner Wall ........................ 618-172-00 Cover, Top ..........................
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Page 19: Parts List
HAZARDGARD PARTS LIST REF. PART NO. DESCRIPTION APPLICATION CHASSIS PARTS (Cont.) 618-092-00 Lever, Fresh Air & Exhaust ....................618-062-00 Connector, Louver ....................... 618-063-00 Louver, Grille ........................618-063-01 Louver with Handle ......................618-032-03 Outer Shell ........................... 618-046-00 Outer Shell ........................... 618-089-00 Grille, Intake ........................ - Page 20 Use Factory Certified Parts. FRIEDRICH AIR CONDITIONING CO. Post Office Box 1540 · San Antonio, Texas 78295-1540 4200 N. Pan Am Expressway · San Antonio, Texas 78218-5212 (210) 357-4400 · FAX (210) 357-4480 www.friedrich.com Printed in the U.S.A. HG2003(1-03)