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Manual Friedrich SH20J30B-A

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  • Friedrich SH20J30B-A - page 1

    AMERICA’S BEST AIR CONDITIONER 2002 HAZARDGARD ® ROOM AIR CONDITIONER Service & Parts Manual Models SH14J30B-A SH20J30B-A HG2002 (02/02) ...

  • Friedrich SH20J30B-A - page 2

    2 T ABLE OF CONTENTS Specifications ................................................................................................................. ... 3 Performance Data ............................................................................................................. 3 Component Operation & T esting .............................. ...

  • Friedrich SH20J30B-A - page 3

    3 * Rating Conditions: 80 ° F . Room Air T emperature and 59% Relative Humidity with 95 ° F . Outside Air T emperature at 40% Relative Humidity . PERFORMANCE EV APORA T OR AIR OPERA TING ELECTRICAL R-22 COMP . DA T A * TEMP° F PRESSURES RATINGS REFRIG. OIL DISCHARGE TEMP SUCTION DISCHARGE AMPS LOCKED CHARGE IN CHARGE IN AIR DROP °F ROTOR AMPS O ...

  • Friedrich SH20J30B-A - page 4

    4 COMPRESSOR WINDING TEST (See Figure 2.) Remove the compressor terminal box cover and disconnect the wires from the terminals. Using an ohmmeter , check continuity across the following: DISCONNECT ELECTRICAL POWER T O THE UNIT BEFORE SER VICING OR TESTING COMPONENT OPERA TION AND TESTING W ARNING COMPRESSORS Compressors are single phase, 208/230 v ...

  • Friedrich SH20J30B-A - page 5

    5 F AN MOTOR (Figure 4) A 230 volt single phase permanent split capacitor motor is used to drive the evaporator blower and condenser fan. A running capacitor is wired across the start and run terminals of the motor . The motor is totally enclosed and is protected with a line voltage overload located internally of the motor . The motor shaft is stai ...

  • Friedrich SH20J30B-A - page 6

    6 RED DOT RUN CAP ACIT OR FA N MOT OR COMPRESSOR FIGURE 6 RUN CAP ACITOR HOOK–UP CAP ACIT OR, RUN A run capacitor is wired across the auxiliary and main winding of a single phase permanent split capacitor motor such as the compressor and fan motors. A single capacitor can be used for each motor or a dual rated capacitor can be used for both. The ...

  • Friedrich SH20J30B-A - page 7

    7 Note: The temperature must be within the range listed to check the thermostat. Refer to the troubleshooting section in this manual for additional information on thermostat testing. TEST Remove the wires from the thermostat. T urn the thermostat to its coldest position. Check to see if there is continuity between the two terminals. T urn the therm ...

  • Friedrich SH20J30B-A - page 8

    8 LOW AMBIENT BY–P ASS V AL VE The HazardGard unit is designed to operate at low outside ambient temperatures. This is accomplished by the use of a bypass valve installed in the refrigeration circuit. The valve is connected between the discharge line at the compressor and the suction process tube. The valve responds to suction pressure which, whe ...

  • Friedrich SH20J30B-A - page 9

    9 10 . Evacuate the system to an absolute holding pressure of 200 microns or less. NOTE: This procedure can be speeded up by the use of heat lamps, or by breaking the vacuum with refrigerant or dry nitrogen at 5,000 microns. Pressure system to 5 PSIG and leave in the system a minimum of 10 minutes. Recover refrigerant, and proceed with evacuation t ...

  • Friedrich SH20J30B-A - page 10

    10 NOTE: All inoperative compressors returned to Friedrich must have all lines properly plugged with the plugs from the replacement compressor . REFRIGERANT CHARGE 1. The refrigerant charge is extremely critical. Measure the charge carefully and as exactly as possible to the nameplate charge. 2. The correct method for charging the rotary is to intr ...

  • Friedrich SH20J30B-A - page 11

    11 PROBLEM POSSIBLE CAUSE TO CORRECT Unit does not run. PROBLEM POSSIBLE CAUSE TO CORRECT Dirty Filter . Restricted air flow . Inoperative thermostat. Short of refrigerant. Partially restricted capillary . Inoperative fan motor . Evaporator coil freezes up. PROBLEM POSSIBLE CAUSE TO CORRECT T est cooling performance of unit. Unit undersized. Check ...

  • Friedrich SH20J30B-A - page 12

    12 PROBLEM POSSIBLE CAUSE T O CORRECT Compressor attempts to start, or runs for short periods only . Cycles on overload. Allow a minimum of two (2) minutes to allow pressures to equalize before attempting to start. Check voltage with unit operating. Check for other appliances on the circuit. Unit should be on separate circuit for proper voltage, an ...

  • Friedrich SH20J30B-A - page 13

    13 PROBLEM POSSIBLE CAUSE T O CORRECT Replace selector switch. Replace relay . Selector Switch Relay PROBLEM POSSIBLE CAUSE T O CORRECT Refer to Installation Instructions for proper installation. Adjust motor mount to attain proper fan blade and blower wheel clearance. Check for deteriorated compressor grommets, or missing mounting parts. Adjust an ...

  • Friedrich SH20J30B-A - page 14

    14 WIRING DIAGRAM FOR SH14J30B-A & SH20J30B-A ...

  • Friedrich SH20J30B-A - page 15

    15 HazardGard Cabinet Parts ...

  • Friedrich SH20J30B-A - page 16

    16 HazardGard Chassis Parts ...

  • Friedrich SH20J30B-A - page 17

    17 HAZARDGARD P ARTS LIST REF . P ART NO. DESCRIPTION APPLICA TION SS HH 12 40 JJ 33 00 BB -- AA 1 61 1-935-49 Compressor , T ecumseh, 230/208V; 60 Hz 1 Ph, Model A WG5515EXN ...................... 1 1 1 61 1-935-50 Compressor , T ecumseh, 230/208 V ; 60 Hz 1 Ph, Model AWG5519EXN ..................... 1 1 2 618-714-26 Motor , Fan 1/8 HP ........... ...

  • Friedrich SH20J30B-A - page 18

    18 HAZARDGARD P ARTS LIST REF . P ART NO. DESCRIPTION SS HH 12 40 JJ 33 00 BB -- AA APPLICA TION 14 618-028-02 Partition, Control Box ............................................................................................. ............ 1 1 4 618-043-02 Partition, Control Box ..................................................................... ...

  • Friedrich SH20J30B-A - page 19

    19 * 618-092-00 Lever , Fresh Air & Exhaust .................................................................................................. 1 1 * 618-062-00 Connector , Louver .............................................................................................................. .2 2 * 618-063-00 Louver , Grille ...................... ...

  • Friedrich SH20J30B-A - page 20

    20 Friedrich Air Conditioning Co. 4200 North Pan Am Expressway P .O. Box 1540, San Antonio, T exas 78295-1540, USA T el. (210) 357/4400 Fax: (210) 357/4480 Printed in the U.S.A HG2002 (02/02) Certified Parts... Use Factory ...

Manufacturer Friedrich Category Air Conditioner

Documents that we receive from a manufacturer of a Friedrich SH20J30B-A can be divided into several groups. They are, among others:
- Friedrich technical drawings
- SH20J30B-A manuals
- Friedrich product data sheets
- information booklets
- or energy labels Friedrich SH20J30B-A
All of them are important, but the most important information from the point of view of use of the device are in the user manual Friedrich SH20J30B-A.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Friedrich SH20J30B-A, service manual, brief instructions and user manuals Friedrich SH20J30B-A. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Friedrich SH20J30B-A.

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A complete manual for the device Friedrich SH20J30B-A, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Friedrich SH20J30B-A by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Friedrich SH20J30B-A.

A complete Friedrich manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Friedrich SH20J30B-A - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Friedrich SH20J30B-A, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Friedrich SH20J30B-A, that we can find in the current document
3. Tips how to use the basic functions of the device Friedrich SH20J30B-A - which should help us in our first steps of using Friedrich SH20J30B-A
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Friedrich SH20J30B-A
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Friedrich SH20J30B-A in a specific country, if it was not possible to solve the problem on our own.

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