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Friedrich SH15L30-B manual

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Table of contents for the manual

  • 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[...]

  • Page 2

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

  • 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[...]

  • 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, [...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • Page 11

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

  • Page 12

    12 HAZARDGARD CABINET P ARTS[...]

  • Page 13

    13 HAZARDGARD CHASSIS P ARTS[...]

  • 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[...]

  • 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 . [...]

  • 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.[...]