Friedrich 9 manuale d’uso

Ser vice Manual Single Package V ertical Air Conditioning System For Y ears 2009 and 2008 VPK-ServMan (04-09) *(Electronic Control) Models 9,000 BTU’ s 12,000 BTU’ s 18,000 BTU’ s 24,000 BTU’ s A SERIES[...]

FRIEDRICH AIR CONDITIONING CO . Post Of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) 357-4490 www .friedrich.com Printed in the U.S.A. TECHNICAL SUPPORT CONT ACT INFORMA TION[...]

1 T able of Contents Important Safety Information .............................................2 Introduction ........................................................................4 V ert-I-Pak Model Number Identication Guide ..................5 Serial Number Identication Guide ....................................5 2009 Models Chassis Speci[...]

IMPORT ANT SAFETY INFORMA TION The information contained in this manual is intended for use by a quali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 unqualied[...]

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 u[...]

4 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 specied amperage rating. • Connect to a properly grounded outlet only . • Do not remove ground prong of plug. • Do not cut or m[...]

PRODUCT LINE N = VPAK V = VP AK SERIAL NUMBER MONTH MANUF ACTURED A = Jan D = Apr G = Jul K = Oct B = Feb E = May H = Aug L = Nov C = Mar F = Jun J = Sep M = Dec YEAR MANUF ACTURED LK = 2000 LA = 2001 LB = 2002 LC = 2003 LD = 2004 LE = 2005 LF = 2006 LG = 2007 LH = 2008 LJ = 2009 ELE CTRIC HEA TER SIZE A- Series 0 0 = N o ele ctr ic heat 25 = 2. 5 [...]

VE A/ V HA09 - 24 VEA09K VEA12K VEA18K VEA24K VHA09K VHA12K VHA18K VHA24K COOL IN G D AT A C ooling B tu/ h 9500/9300 1 1800/1 1500 17500/17300 24000 9500/9300 1 1800/1 1500 17500/17300 23500 C ooling P owe r (W ) 880 1093 1882 2526 905 1 124 1882 2474 EE R 10.8 10.8 9.3 9.5 10.5 10.5 9.3 9.5 S ensible H eat R ati o 0.74 0.72 0.70 0.70 0.74 0.72 0.[...]

       * Ope ratio n above th es e li sted tempe ratu re s may re su lt in lower ed per fo rm an ce or u ni t fat i gu e. * Ope ratio n above th es e li sted tempe ratu re s may re su lt in lower ed per fo rm an ce or u ni t fat i gu e. VE A - Ex te n[...]

VE A / VH A 09 -24 VEA09K VEA12K VEA18K VEA24K VHA09K VHA12K VHA18K VHA24K COOLING D A T A C oo li ng B tu/ h 9500/9300 1 1800/1 1500 18000/17800 24000 9500/9300 1 1800/1 1500 18000/17800 23500 C ooling P ow er (W ) 880 1093 2070 2526 905 1 124 2070 2474 EE R 10.8 10.8 8.7 9.5 10.5 10.5 8.7 9.5 S ensibl e H ea t Rat io 0.74 0.72 0.70 0.70 0.74 0.72[...]

9        VE A - Ex ten de d Coo lin g Pe rf o rman ce OUT DOO R DRY BUL B TEMP . (D EGREES F AT 40% R. H. ) 75 8 5 95 105 1 10 IN DOOR W ET BU LB TEMP . ( DEGREES F AT 80 F D.B.) 72 67 62 72 67 62 72 67 62 72 67 62 72 67 6 2 VE A09 BTUh 11 172 107 45 [...]

10 ELECTRICAL REQUIREMENTS W ir e Siz e Uni t MUS T Sample Nameplat e 1 2 05 2 4 COO LING E QUIP MENT FOL LOWIN G ITEMS OU TD OOR GR IL LE INDOO R GRI LLE S A M P L E Elec tr ica l Ra t in g T a ble s 4 1 A 5 1 2 1 A 0 2 0 1 A 0 3 All 208/230v chassis must be hard wir ed with properly sized breaker . See nameplate for specic chassis electrical S[...]

11            CONNECTIONS Remote Thermostat To control the unit with a wall-mounted thermostat: 1) Pull the disconnect switch. 2) Unscrew and remove the control box panel. 3) After selecting which side you want to run your t[...]

12            CONNECTIONS   Desk Control Terminals The Friedrich VERT-I-PAK has built-in provisions for connection to an external switch to control power to the unit. The switch can be a cent[...]

13     The new Friedrich V ert-I-Pak has state of the art features to improve guest comfort and conserve energy . Through the use of specically designed control software, Friedrich has accomplished what other Manufacturer ’s have only attempted ?[...]

14 Lo w fa n Hig h f an Fa n onl y Pow er T emp T emp Co ol Hea t 1 2 3 4 5 6 7 8 O N Electronic C on tro l Con fi gur at io n The ad jus ta bl e control di p switche s are loc at ed at the lowe r left ha nd por tion of the di gi tal Smart Center . The inputs are only visi bl e and a ccessi bl e wi th the fr ont co ver remo ved from the Unit. Fact[...]

15   TEST MODE (  The c ha r t bel ow lists the pos si ble err or cod es and t he ir d es cription: Err or C od e C od e T ra n sla tion Acti on T ak en by Un it Pos si b l e Caus[...]

16                    Wall Thermostat Connections: • The control is compatible with a st andard single stage heat and cool Wall Thermos[...]

17 Reversing valve: Always de-energized when “Cool” switch is selected on thermostat. Compressor operation: If ambient indoor temperature is above set point temperature depending on t-stat differential and the compressor is not time delayed, turn on compressor . If ambient indoor temperature is below set point depending on t-stat differential, [...]

18 Reversing valve: Always energized when “Heat” is selected on thermostat. Compressor operation depends on t-stat settings: If ambient indoor temperature is below the set point temperature depending on t-stat differential and the compressor is not time delayed, turn on compressor . If ambient indoor temperature is below set point depending on [...]

        19 VERT-I-PAK SINGLE PACKAGED VERTICAL AIR CONDITIONERS 9,000 / 12,000 / 18,000 / 24 K BTUs/h All units are factory assembled, piped, wire d and fully charg ed with R-22. Units are ETL listed and carry[...]

20 EX AM P LE: Air fl ow re quireme n ts are c al c ul ated as follows : (H a ving a w et c oil creates additional resistance to air fl ow . Th is addit io nal re sis t an ce must be tak en in to c o ns iderati on to obtain accurate air fl ow information. 1 ½ TON S YSTEM ( 1 8, 00 0 Btu) Operating on hi gh speed @ 230 volts with dr y coil measu[...]

21 The V ert-I-Pak A series units must be installed with a free return air configuration. The table below lists the indoor airflow at corresponding static pressures. All units are rarted at low speed. The V ert-I-Pak units are designed for either single speed or two fan speed operation. For single speed operation refer to the airflow table below an[...]

CAP ACIT ORS ELECTRIC SHOCK HAZARD W ARNING T urn off electric power before servicing. Discharge capacitor with a 20,000 Ohm 2 W att resistor before handling. Failure to do so may result in personal injury , or death.  The capacitor [...]

DRAIN P AN V AL VE During the cooling mode of operation, condensate which collects in the drain pan is picked up by the condenser fan blade and sprayed onto the condenser coil. This assists in cooling the refrigerant plus evaporating the water . During the heating mode of operation, it is necessary that water be removed to prevent it from freezing [...]

A good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting of refrigeration system problems will be more difcult and time consuming, if not (in some cases) entirely impossible. The refrigeration system uses four basic principles (laws) in i[...]

  CUT/SEVER HAZARD W ARNING Be careful with the sharp edges and corners. Wear protective clothing and gloves, etc. Failure to do so could result in serious injury . ELECTRIC SHOCK HAZARD W ARNING T urn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with[...]

   Proper refrigerant charge is essential to proper unit opera - tion. Operating a unit with an improper refrigerant charge will result in reduced performance (capacity) and/or efciency . Accordingly , the use of proper charging methods during ser - vicing will insure that the unit is f[...]

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 property quantity of R-22 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[...]

   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 un[...]

  T roubleshooting a restricted refrigerant system can be dif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[...]

30     All units are equipped with capillary tube metering devices. Checking for restricted capillary tubes. 1. Connect pressure gauges to unit. 2. Start the unit in the cooling mode. If after a few minutes of operation the pressures are n[...]

31 NOTE: System operating pressures must be near normal before valve can shift .     The Reversing V alve controls the direction of refrigerant ow to the indoor and outdoor coils. It consists of a pressure- operated, main valve and a pi[...]

32 Reversing V alve in Heating Mode  The solenoid coil is an electromagnetic type coil mounted on the reversing valve and is energized during the operation of the compressor in the heating cycle. 1. T urn of f high voltage electrical power to unit. 2. Unplug line voltage lead from reversing valve coil[...]

33 8. Pressurize sealed system with a combination of R-22 and nitrogen and check for leaks, using a suitable leak detector . Recover refrigerant per EP A guidelines. 9. Once the sealed system is leak free, install solenoid coil on new valve and charge the sealed system by weighing in the proper amount and type of refrigerant as shown on rating plat[...]

34       Locked rotor voltage (L.R.V .) is the actual voltage available at the compressor under a stalled condition.  Disconnect power from unit. Using a voltmeter , atta[...]

35   Remove the leads from the compressor terminals and set the ohmmeter on the lowest scale (R x 1). T ouch the leads of the ohmmeter from terminals common to start (“C” to “S”). Next, touch the leads of the ohmmeter from terminals common to run (“C” to[...]

36         1. Be certain to perform all necessary electrical and refrigeration tests to be sure the compressor is actually defective before replacing. 2. Recover all refrigerant from the system though th[...]

37 1. 2. 3. 4. 5. ELECTRIC SHOCK HAZARD W ARNING T urn off electric power before service or installation. Failure to do so may result in personal injury , or death. S e a l e d R e f r i g e r a t i on S y s t e m c o n t a i n s r e f r i g er an t and oil under high pressure. Proper safety procedures must be followed, and proper protective clothi[...]

38 R OUTINE MAINTENANCE AIR FIL TER Clean the unit air intake lter at least every 300 to 350 hours of operation. Clean the lters with a mild detergent in warm water and allow to dry thoroughly before reinstalling. Units are to be inspected and serviced by qualied service personnel only . Use proper protection on surrounding property . Fail[...]

SLEEVE / DRAIN Inspect the sleeve and drain system periodically (at least yearly or bi-yearly) and clean of all obstructions and debris. Clean both areas with an antibacterial and antifungal cleaner . Rinse both items thoroughly with water and ensure that the drain outlets are operating correctly . Check the sealant around the sleeve and reseal are[...]

      NO COOLING OPERATION Insure that Fuses are good and/or that Circuit Breakers are on and voltage is 208/230 Compressor and Fan Motor should n[...]

    Y es No 24V at t-stat and control wiring? Y es No 24V at t-stat and control wiring? NO COOLING OPERATION Before continuing check for Error Codes, see electronics control diagnostics and test mode, pa[...]

     Replace Reversing V alve NO NO YES YES Reversing V alve Stuck YES Replace Solenoid Coil Is the Solenoid Coil Good? Is Line V oltage Present at Solenoid V alve? Is Selector Switch set for Heat? SYSTEM COOLS WHEN HEA TING IS[...]

REFRIGERANT SYSTEM DIAGNOSIS COOLING REFRIGERANT SYSTEM DIAGNOSIS HEA TING Lo w Load Conditions High Load Conditions Low Load Conditions High Load Conditions Low Air Flo w Across High Air Flow Across Refr iger ant System Low Air Flo w Across Indoor Coil Indoor Coil Restriction Outdoor Coil Refr iger ant System Rev ersing V alv e not Rev ersing V al[...]

          N[...]

         ?[...]

         46[...]

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        48[...]

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        50 Outdoor Coil Return Air Indoor Coil[...]

A CCESSORIES DIGITAL REMOTE WALL THERMOSTAT Single stage thermostat. Features high/low fan speed switch. Thermostat is hard wired and can be battery powered or unit powered. Features backlit display and multiple configured modes. DIGITAL REMOTE WALL THERMOSTAT Single stage thermostat, used on VERT-I-PAK units. Hard wired with single speed fan. Dire[...]

Friedrich Air Conditioning C om pany P.O. Box 1540 San Antonio, TX 78295 2 10 . 35 7. 4 40 0 w ww .f r ied r ic h. co m VERT-I-PAK ® A SERIES SING L E PACKA GE VERT I CAL A IR C O NDITIONERS LIMITED WARRANTY SA VE THIS CE R T IFI CA T E. It giv e s y ou sp ec if ic ri gh t s. Y ou ma y also hav e othe r ri g ht s wh ich m ay var y fr om stat e to [...]

FRIEDRICH AIR CONDITIONING CO . Post Of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) 357-4490 www .friedrich.com Printed in the U.S.A. TECHNICAL SUPPORT CONT ACT INFORMA TION[...]

FRIEDRICH AIR CONDITIONING CO . Post Of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) 357-4490 www .friedrich.com Printed in the U.S.A. VPK-ServMan (04-09)[...]