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Manual Friedrich SH20L30-B

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  • Friedrich SH20L30-B - page 1

    SH15L30-B SH20L30-B HG-SVC-PRTS-07 (3-07) R oom Air Conditioners 60 Hz Mode ls 20 0 7 Ser vi ce & P ar ts Manu al ...

  • Friedrich SH20L30-B - page 2

    2 T ABLE OF CONT EN TS Speci fi cations ...................................................................................................................... ................................... 3 Per formance Data ............................................................................................................. ........................ ...

  • Friedrich SH20L30-B - page 3

    3 EV APORA T OR AIR TEMP . DEG. F EV APORA TOR TEMP . DEG. F CONDENSER TEMP . DEG. F Discharge T emp Suction T emp Liquid T emp Super Heat Sub- Cooling OPERA TING PRESSURES ELECTRICAL RA TINGS R-22 REF . Evap CFM Motor RPM BREAKER FUSE Discharge Air T emp. Drop F . E(in) E(out) Suction Discharge Amps Cool Amps Heat Locked Rotor Amps Charge in OZ. 6 ...

  • Friedrich SH20L30-B - page 4

    4 COMPRESSOR WINDING TEST (Figure 2.) Remov e the c ompress or terminal box c over and disconnect the wires from t he terminals. Using an ohmmeter , c heck c ontinuit y across the follow ing: COMPONENT OPERA TION AND TESTING COM PRE SSO RS Compress ors are single phase, 208 /23 0 volt. All c ompres sor motors are per manent split capaci tor t ype, ...

  • Friedrich SH20L30-B - page 5

    5 F AN MOTOR (Figure 4) A 230 volt single phase per manent split capacitor m otor is used to drive the evaporator blower and condenser fan. A running c apacitor is wired acros s the star t and r un terminals of the motor . The motor is totally enc losed and is protected with a line volt- age overload located inter nally of the motor . The motor sha ...

  • Friedrich SH20L30-B - page 6

    6 THERMOST A T A cross ambient ther most at is used to maintain the desire d comfor t level . The ther most at reacts only to a change in temperature at the bulb location. Impor t ant to the succ essful operation of the unit is the posit ion of the sensing bulb in relation to the evaporator ( see Figure 8 ) . TEST Remove the wires from the ther mos ...

  • Friedrich SH20L30-B - page 7

    7 NOTE: This procedure can be sped up by the use of heat lamps, or by breaking the v acuum with refr igerant o r d r y n i t r o g e n a t 5 , 0 0 0 m i c r o n s . P r e s s u r e s y s t e m t o 5 PSIG and leave in the s ystem a minimum of 10 minutes. Recover refrigerant, and proceed wit h evacuation to a pressure of 20 0 micr ons or a minimum of ...

  • Friedrich SH20L30-B - page 8

    8 TROUBLE SHOOTING PROBLEM POSSIBLE CAUSE TO CORRECT UNIT DO ES NOT RUN. Power disconnected. Check power source. System switch in “ O f f ” posit ion. Set switc h co rrec tly . Branch circuit f use blown or circuit breaker tripped. Replace fuse, reset breaker . If repeats, check f use or breaker size. Check for shor ts in unit wir ing and co mp ...

  • Friedrich SH20L30-B - page 9

    9 TROUBL ESHOOTING ( Continu ed) PROBLEM POSSIBLE CAUSE TO CORRECT COM PRES SOR AT T E M P T S T O ST ART , OR RUNS FO R S H O R T PERIOD S ON L Y . CYCL ES O N OV ER LOA D. Compress or attempts to st ar t before syst em pressures are equal ized. Allow a minimum of t wo (2 ) minutes to allow pres sures to equalize before attempting to star t. Low o ...

  • Friedrich SH20L30-B - page 10

    10 TROUBL ESHOOTING ( Continu ed) PROBLEM POSSIBLE CAUSE TO CORRECT F AN M OTOR DOES NOT R U N. Defective switch (On- Of f ). Check co ntinuit y across ter minals 2 and 3. F an capacitor open. Check by substituting a known go od c apacitor of the s ame rating . Inoperative fan motor . Direct test fan m otor . Incor rec t wiring of fan c ircuit. Con ...

  • Friedrich SH20L30-B - page 11

    11 WIRING DIA GR AM MODELS SH 1 5L30 - B and SH20L30 - B ...

  • Friedrich SH20L30-B - page 12

    12 HAZARDGARD CABINET P ARTS ...

  • Friedrich SH20L30-B - page 13

    13 HAZARDGARD CHASSIS P ARTS ...

  • Friedrich SH20L30-B - page 14

    14 HAZARDGARD P ARTS LIST REF DESCRIPTION P ART NO# MODELS CODE ELECTRICAL P ARTS SH15L30-B SH20L30-B 1 COMPRESSOR 61 193549 1 600 1 COMPRESSOR 61 193550 1 600 2 MOTOR, F AN 61871426 11 1 0 2 MOTOR, F AN 61871427 11 1 0 5 SWITCH, ON-OFF DPST 60935300 1 1 130 * INSULA TOR, ELECTRICAL 61829700 1 1 399 * RELA Y , SOLID ST A TE 61 108800 2 2 399 6 THER ...

  • Friedrich SH20L30-B - page 15

    15 HAZARDGARD P ARTS LIST REF DESCRIPTION P ART NO# MODELS CODE CHASSIS P ARTS SH15L30-B SH20L30-B 8 HOLDER, THERMOST A T 61829800 1 1 999 1 1 KNOB, CONTROL 61493915 1 1 761 17 DECORA TIVE P ANEL 61822662 1 1 760 22 F AN BLADE, COND. 60542003 1 710 22 F AN BLADE, COND. 60542004 1 710 23 BLOWER WHEEL, EV AP . 60610616 1 700 23 BLOWER WHEEL, EV AP . ...

  • Friedrich SH20L30-B - page 16

    HG-SVC-PRTS-07 (3-07) FRIEDRICH AIR CONDITIONING CO. Post Of fi ce Box 1540 · San Antonio, T exas 78295-1540 4200 N. Pan Am Expressway · San Antonio, T exas 78218-5212 (210) 357-4400 · F AX (210) 357-4480 www .friedrich.com Printed in the U.S.A. Friedrich Air Conditioning Company P.O. Box 1540 San Antonio, TX 78295 210.357.4400 www.fri edri ch. ...

Manufacturer Friedrich Category Air Conditioner

Documents that we receive from a manufacturer of a Friedrich SH20L30-B can be divided into several groups. They are, among others:
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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 SH20L30-B.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Friedrich SH20L30-B, service manual, brief instructions and user manuals Friedrich SH20L30-B. 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 SH20L30-B.

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A complete manual for the device Friedrich SH20L30-B, 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 SH20L30-B by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Friedrich SH20L30-B.

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 SH20L30-B - 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 SH20L30-B, 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 SH20L30-B, that we can find in the current document
3. Tips how to use the basic functions of the device Friedrich SH20L30-B - which should help us in our first steps of using Friedrich SH20L30-B
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Friedrich SH20L30-B
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Friedrich SH20L30-B in a specific country, if it was not possible to solve the problem on our own.

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