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Manual Friedrich R-410A

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  • Friedrich R-410A - page 1

    R-410A Models Service Manual 2 0 1 1 HG-ServMan (1-1 1) SH15M30 * SH20M30 * Cool Only H a z a r d o u s D u t y R o o m A i r C o n d i t i o n e r * Last character may vary . ...

  • Friedrich R-410A - page 2

    T able Of Contents Important Safety Information ..................................................................................................................... 2-4 Introduction ................................................................................................................................................... 4 Unit Identifi ca ...

  • Friedrich R-410A - page 3

    IMPORT ANT SAFETY INFORMA TION The information contained in this manual is intended for use by a qualifi ed service technician who is familiar with the safety procedures required for installation and repair , and who is equipped with the proper tools and test instruments required to service this product. Installation or repairs made by unqualifi ...

  • Friedrich R-410A - page 4

    • Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel, and sleeve on the room side of the air conditioning unit while cleaning. • Electrical component malfunction caused by water could result in electric shock or other electrically unsafe conditions when the power is restored and the unit is ...

  • Friedrich R-410A - page 5

    PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS: • Read the Installation/Operation Manual for this air conditioning unit prior to operating. • Use air conditioner on a single dedicated circuit within the specifi ed amperage rating. • Connect to a properly grounded circuit only . • Do not use extension cords with the unit. • Failure to follow ...

  • Friedrich R-410A - page 6

    Serial Number Decade Manufactured L=0 C=3 F=6 J=9 A=1 D=4 G=7 B=2 E=5 H=8 A A A R 00001 Production Run Number Y ear Manufactured A=1 D=4 G=7 K=0 B=2 E=5 H=8 C=3 F=6 J=9 Product Line R = RAC Month Manufactured A=Jan D=Apr G=Jul K=Oct B=Feb E=May H=Aug L=Nov C=Mar F=Jun J=Sept M=Dec 1st Digit – Function S = Straight Cool, V alue Series H = HazardGa ...

  • Friedrich R-410A - page 7

    U L L i st e d fo r u s e i n C l as s I , D i v i s i o n 2 , G ro u p s A , B , C a n d D h a z a rd o u s lo ca t i o n s . Ha za rdga rd i s s pe c i cal ly d es ig ne d t o coo l l iv in g q ua r ter s, s tor ag e a r ea s an d o th er e n clo su res si t ua te d in ha za rdou s lo cat io n s, w h ere sp ec i c v ol at i le a mm a ble ...

  • Friedrich R-410A - page 8

    SPEC IF IC A TIONS AND PERFORMA NCE D A T A 7 Due to c on tinui ng eng inee rin g res earc h and te chn olo gy , spe c L ¿ c ati ons ar e subje ct to c han ge wit hou t noti ce. M anuf actu red un der U.S. D esi gn Patent DES 3 68 , 30 6 de co rat ive fro nt; Ut ilit y Pate nt 5, 62 2, 05 8. M A XIM UM o utdo or amb ient op erat ing te mpe ratur e ...

  • Friedrich R-410A - page 9

    ELECTRICAL D A T A ELECTRICAL REQUIR EME NTS ELECTRIC SHOCK HAZARD W ARNING Tur n of f el e c tr i c p ow e r be f o re s e rv i c e o r installation. All el ec tri cal con ne ct io ns an d wiri ng MU S T be in sta ll ed b y a qu a l ifi ed e lec tr ic i a n a nd co n f or m t o th e Na tio n al Ele ct rica l Co de and a ll loca l code s wh ic h h ...

  • Friedrich R-410A - page 10

    Permanent Split-Capacitor , totally enclosed fan motor to assure effi cient operation even under adverse electrical conditions. Motor has a special stainless steel shaft to resist corrosion and a hermetically sealed overload for arc-free operation. High capacity compressor with internal hermetically sealed overload. Solid-state relay contains tran ...

  • Friedrich R-410A - page 11

    COMPONENT DEFINITIONS A. Mechanical components B. Electrical components C. Hermetic components Plenum assembly Dif fuser with directional louvers used to direct the conditioned airfl ow . Blower wheel Attaches to the indoor side of the fan motor shaft and is used for distributing unconditioned, room side air through the heat exchanger and deliveri ...

  • Friedrich R-410A - page 12

    F AN MOTOR SWITCH, ON-OFF Line side SOLID ST A TE RELA Y Load side LED indicates contacts closed when lit F AN MOTOR 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 pro ...

  • Friedrich R-410A - page 13

    RANGE: Thermostat (Part No. 618-225-02) 60 ° F ( ± 2 ° ) to 90 ° F( ± 4 ° ) SENSING BULB LOCA TION THERMOST A T A cross ambient thermostat is used to maintain the desired comfort level. The thermostat reacts only to a change in temperature at the bulb location. Important to the successful operation of the unit is the position of the sensing b ...

  • Friedrich R-410A - page 14

    • R-410A pressure is approximately 60% higher than R-22 pressure. • R-410A cylinders must not be allowed to exceed 125 F , they may leak or rupture. • R-410A must never be pressurized with a mixture of air , it may become fl ammable. • Servicing equipment and components must be specifi cally designed for use with R-410A and dedicated to p ...

  • Friedrich R-410A - page 15

    Proper refrigerant charge is essential to proper unit operation. Operating a unit with an improper refrigerant charge will result in reduced performance (capacity) and/or effi ciency . Accordingly , the use of proper charging methods during servicing will insure that the unit is functioning as designed and that its compressor will not be damaged. ...

  • Friedrich R-410A - page 16

    3. Install a process tube to sealed system. 4. Make necessary repairs to system. 5. Evacuate system to 200 microns or less. 6. Weigh in refrigerant with the proper quantity of R-410A refrigerant. 7. Start unit, and verify performance. 8. Crimp the process tube and solder the end shut. Proper safety procedures must be followed, and proper protective ...

  • Friedrich R-410A - page 17

    Underchar ged R efrigerant Systems An undercharged system will result in poor performance (low pressures, etc.) in both the heating and cooling cycle. Whenever you service a unit with an undercharge of refrigerant, always suspect a leak. The leak must be repaired before charging the unit. T o check for an undercharged system, turn the unit on, allo ...

  • Friedrich R-410A - page 18

    R estricted R efrigerant System T roubleshooting a restricted refrigerant system can be diffi cult. The following procedures are the more common problems and solutions to these problems. There are two types of refrigerant restrictions: Partial restrictions and complete restrictions. A partial restriction allows some of the refrigerant to circulate ...

  • Friedrich R-410A - page 19

    Lock ed Rotor V oltage (L.R.V .) T est Locked rotor voltage (L.R.V .) is the actual voltage available at the compressor under a stalled condition. Single Phase Connections Disconnect power from unit. Using a voltmeter , attach one lead of the meter to the run “R” terminal on the compressor and the other lead to the common “C” terminal of th ...

  • Friedrich R-410A - page 20

    Many compressor failures are caused by the following conditions: 1. Improper air fl ow over the evaporator . 2. Overcharged refrigerant system causing liquid to be returned to the compressor . 3. Restricted refrigerant system. 4. Lack of lubrication. 5. Liquid refrigerant returning to compressor causing oil to be washed out of bearings. 6. Noncond ...

  • Friedrich R-410A - page 21

    3. After all refrigerant has been recovered, disconnect suction and discharge lines from the compressor and remove compressor . Be certain to have both suction and discharge process tubes open to atmosphere. 4. Carefully pour a small amount of oil from the suction stub of the defective compressor into a clean container . 9. Evacuate the system with ...

  • Friedrich R-410A - page 22

    R OUTINE MAINTENANCE AIR FIL TER Clean the unit air intake fi lter at least every 300 to 350 hours of operation. Clean the fi lters with a mild detergent in warm water and allow to dry thoroughly before reinstalling. COILS AND BASE P AN The indoor coil (evaporator coil), the outdoor coil (condenser coil) and base pan should be inspected periodica ...

  • Friedrich R-410A - page 23

    Discharge Air Plenum Slot T ab Latches Return air grille Latch Slot T ab Return Air Grille R OUTINE MAINTENANCE (Continued) Do not drill holes in the bottom of the drain pan or the underside of the unit. Not following this notice could result in damage to the unit or condensate water leaking inappropriately which could cause water damage to surroun ...

  • Friedrich R-410A - page 24

    ROOM AIR CONDITIONER UNIT PERFORMANCE TEST D A T A SHEET DA TE: _______________ MODEL:_______________ SERIAL:________________ YES NO IS THERE A FRIEDRICH SLEEVE INST ALLED? ____ ____ IS THERE A CHASSIS SEAL GASKET INST ALLED? ____ ____ IS MAINTENANCE BEING PERFORMED? ____ ____ If NO is checked use back of sheet for explanation ELECTRICAL: LINE VOL ...

  • Friedrich R-410A - page 25

    TROUBLESHOO TING Problem Possible Cause Possible Solution Possible Solution Possible Solution Possible Solution Possible Solution Unit does not run Power disconnected. Check power source. Branch circuit fuse blown or circuit breaker tripped. Replace fuse, reset breaker . If repeats, check fuse or breaker size. Check for shorts in unit wiring and co ...

  • Friedrich R-410A - page 26

    Problem Possible Cause Possible Solution Possible Solution Possible Solution Compressor attempts to start, or runs for short periods only . Cycles on overload. Compressor attempts to start before system pressures are equalized. Allow a minimum of 3 minutes to allow pressures to equalize before attempting to start. Low or fluctuating voltage. Check ...

  • Friedrich R-410A - page 27

    Problem Possible Cause Possible Solution Possible Solution Possible Solution Possible Solution Fan motor does not run. Defective switch (On-Off) Check continuity across terminals 2 and 3. Fan capacitor open. T est with capacitor analyzer . Replace if bad. Inoperative fan motor . Check power and if okay , perform continuity test. Replace if bad. Inc ...

  • Friedrich R-410A - page 28

    ELECTR OMECHANICAL CONTR OL COOL ONL Y MODELS: SH15M30 * SH20M30 * 27 * Last character may vary . ...

  • Friedrich R-410A - page 29

    Friedrich Air Conditioning Company 10001 Reunion Place, Suite 500 San Antonio, TX 78216 1-800-541-6645 www .friedrich.com HAZARDGARD ® ROOM AIR CONDITIONERS LIMITED W ARRANTY LIMITED ONE YEAR P ARTS W ARRANTY 1. Limited warranty – One year . Friedrich warrants that it will provide a replacement for any part of this Hazardgard Room Air Conditione ...

  • Friedrich R-410A - page 30

    TECHNICAL SUPPORT CONT ACT INFORMA TION 29 FRIEDRICH AIR CONDITIONING CO. 10001 Reunion Place, Ste. 500, San Antonio, TX 78216 (210) 546-0500 877-599-5665 x 261 F AX (210) 546-0731 Email: tac@friedrich.com www .friedrich.com Printed in the U.S.A. ...

  • Friedrich R-410A - page 31

    ...

  • Friedrich R-410A - page 32

    HG-ServMan (1-1 1) FRIEDRICH AIR CONDITIONING CO. 10001 Reunion Place, Ste. 500, San Antonio, TX 78216 P 210-546-0500 | F 210-546-0731 www .friedrich.com Printed in the U.S.A. ...

Manufacturer Friedrich Category Air Conditioner

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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 R-410A.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Friedrich R-410A, service manual, brief instructions and user manuals Friedrich R-410A. 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 R-410A.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Friedrich R-410A by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Friedrich R-410A.

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5. FAQ - Frequently Asked Questions
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