Haier HC18D2VAR User's Manual
Contents
1. INDOOR UNIT erk L1 ELECTRIC HEATER KIT BK fl BK RD BK RD ht FACTORY STANDARD FIELD INSTALLED OPTIONAL LOW VOLT AGE FACTORY STANDARD FIELD INSTALLED OPTIONAL USE COPPER CONDUCTORS ONLY WARNING CABINET MUST BE PERMANENTLY GROUNDED AND ALL WIRING TO CONFORM TO 1 E C N E C C E C C L C AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME GAGE AND OPTIONAL mK RD 208 230V INSULATION TYPE AS ORIGINAL WIRE 60Hz 1PH BCAP M JR BK HI 3 BK TRAN a 1 2 If LPS and or HPS not installed or removed a jumper wire must be present across circuit for system to operate 3 For proper system operation consult indoor unit and outdoor unit installation instructions to confirm system match up and blower speed selection 4 Alternate double pole contactor used on some systems RD i COMPONENT CODES BCR BLOWER CONTROL RELAY BCAP RUN CAPACITOR BLOWER MOTOR CC COMPRESSOR CONTACTOR CCH CRANKCASE HEATER OPTIONAL CHS CRANKCASE HEATER SWITCH OPTIONAL CMPR COMPRESSOR HPS HIGH PRESSURE SWITCH LPS LOW PRESSURE SWITCH IBM INDOOR BLOWER MOTOR OFM OUTDOOR FAN MOTOR RCAP RUN CAPACITOR COMPRESSOR RVS REVERSING VALVE SOLENOID STCAP START CAPA CITOR OPTIONAL STRLY START RELAY OPTIONAL STRTH START THERMISTOR OPTIONAL TRAN TRANSFORMER2. O QA S W CONDENSER DISTRIBUTOR Warning The drier is strongly recommended to be installed by installer and replaced once two years This will give your equipment great help in long life 4 UNIT INSPECTION This product has been inspected at the factory and released to the transportation agency without known damage Inspect exterior of carton for evidence of rough handling in shipment Unpack carefully If damage is found report immediately to the transportation agency 5 EQUIPMENT PROTECTION FROM ENVIRONMENT The metal parts of the unit may be subject to rust or corrosion in adverse environmental conditions This oxidation could shorten the unit life Salt spray or mist in seacoast areas sulphur or chlorine from lawn watering systems and various chemical contaminants from industries such as paper mills and petroleum refineries are especially corrosive If the unit is to be installed in an area where contaminants are likely to be a problem special attention should be given to the equipment location and exposure e Avoid having lawn sprinkler heads spray directly on the unit cabinet e In coastal areas locate the unit on the side of the building away from the waterfront e Shielding provided by fence or shrubs may give some protection Regular maintenance will reduce the buildup of contaminants and help to protect the unit s finish WARNING Disconnect all electrical power to the unit before servicing Disconnect power to
3. Turn system switch to COOL and turn temperature setting below room temperature Unit should run in cooling mode 5 Check to see if compressor and outdoor fan are running correctly 6 Check the refrigerant charge see Instructions under Charging the System 7 Replace service port caps Service port cores are for system access only and will leak if not tightly capped 8 Check unit for tubing and sheet metal rattles 9 Instruct the owner on operation and maintenance Leave this Installation and Operating Manual and the Use and Care Manual with owner 11 8 OPERATION Most single phase units are operated without start relay or start capacitor Such systems should be off for a minimum of 5 minutes before restarting to allow equalization of pressures The thermostat should not be moved to cycle unit without waiting 5 minutes To do so may cause the compressor to stop on an automatic open overload device or blow a fuse Poor electrical service can cause nuisance tripping in overloads or blow fuses The compressor has an internal overload protector Under some conditions it can take up to 2 hours for this overload to reset Make sure overload has had time to reset before condemning the compressor 9 MISCELLANEOUS 9 1 Replacement Parts Contact your local distributor for a complete parts list 9 2 Troubleshooting Guide Refer to the troubleshooting guide Table 6 included in this manual 9 3 Wiring Diagram Refer to the appro
4. While the instructions are addressed primarily to the installer useful maintenance information is included Have your installer acquaint you with the operating characteristics of the product and periodic maintenance requirements TABLE OF CONTENT 1 Introduction 1 2 Nomenclature for Model Number 1 3 Specification 2 3 4 Unit Inspection 4 5 Equipment Protection From Environment 4 6 Installation 4 6 1 General 4 6 2 Unit clearances 5 6 3 Refrigerant piping 5 6 4 Electrical wiring 10 7 System Startup 11 8 Operation 12
5. both the indoor and outdoor units NOTE There may be more than one electrical disconnect switch Failure to shut off power can cause electrical shock resulting in personal injury or death e Frequent washing of the cabinet fan blade and coil with fresh water e Regular cleaning and waxing of the cabinet with good automobile polish e A good liquid cleaner may be used several times a year to remove matter that will not wash off with water The best protection is frequent cleaning maintenance and minimal exposure to contaminants 6 INSTALLATION 6 1 GENERAL These units are designed for outdoor installations They can be mounted on a slab or rooftop It is important to consult your local code authorities at the time the first installation is made Check following points before attempting any installation e Structural strength of supporting members e Clearances and provision for servicing e Power supply and wiring e Location for minimum noise where operating sounds will not disturb owner or neighbors e Location where there is no risk of combustible gas leakage e Location where external water drainage cannot collect around the unit e Location where roof runoff water does not pour directly on the unit Provide gutter or other shielding at roof level Don t locate unit in an area where excessive snow drifting may occur or accumulate Provide a level concrete slab To prevent transmission of noise or vibration slab should not be
6. 10 of rating Incorrect voltage Defective overload protector Replace check for correct voltage Refrigerant undercharge Add refrigerant plate volts when unit is running Low evaporator airflow Increase blower speed or reduce restriction replace air filter Restriction in liquid line Replace defective components metering device or filter drier Change to correct size piston Change coil assembly Clear away leaves and other debris Correct system charge Air non condensibles or Repair or replace Recover refrigerant evacuate amp moisture in system recharge add filter drier Defective compressor valves Operating below 65 _F outdoors Defective compressor Air or non condensibles in system Recover refrigerant evacuate amp recharge Air or non condensibles in system Recover refrigerant evacuate amp recharge 13 HC18 42D2VAR Air Conditioner Wiring Diagram OUTDOOR UNIT 5 e BK L1 BK L2 WH GND RD if i i i i i i i I i i i i i i i 208 330V Z 60Hz 1PH oi i i i i i i i i i i I i i i i if i Compress or Protect 3 Min P2 Time Delay P3 Pt YL Optional LPS H Low amp High Pressure HPs Switches BL BL YL YL 24VAC COMMON Confirm system selection Optional components may be field or factory installed 0010526552 UPR eae a Ne ee Vee oe ele 1 LINE VOLTA GE
7. 230 208 SELECTABLE COLOR CODES BK BLACK BL BLUE B BR BROWN GR GREEN PU PURPLE RD RED WH WHITE YL YELLOW I RD BL BL f THERMOSTAT uxa BR WH GY GRAY OR ORANGE VI VIOLET z 6 we w RHS 1 gt 0 RESISTANCE HEAT CONTROL W be 4 INDOOR FAN CONTROL 5 Only one start assist method to be used at a time consult outdoor unit installation instructions for application information Use only factory approved accessories 6 Optional OFM components may connect capacitor common and motor common for reciprocating compressor there may have crankcase heater consult outdoor unit installation instructions for details Select the running capacitor one or dual and connect If IFM or OFM only have one capacitor wire connect Com wire to capacitor 7 Indoor unit shipped without optional electric heater kit To install optional heater kit remove power pig tail up to 9 pin plug Install heater kit and connect with mating 9 pin plug Run system power connections directly to electric heater kit power terminals Consult heater kit installation instructions for complete details 14 Made in P R C
8. 9 Miscellaneous 12 9 1 Replacement parts 12 9 2 Troubleshooting guide 12 9 3 Wiring diagram 12 1 INTRODUCTION This manual contains the installation and operating instructions for your new air conditioner Improper installation can result in unsatisfactory operation or dangerous conditions Carefully read this manual and any instructions packaged with separate equipment required to make up the system prior to installation Give this manual to the owner and explain its provisions The owner should retain this manual for future reference 2 NOMENCLATURE FOR MODEL NUMBER D SEER designation D 13 E 1 Design series 2 2 Generation ka Electric V 208 230 1 60 C 208 230 3 60 D 460 3 60 Y 575 3 60 a Boyse OO RS Reeva ooo examples naa 3 SPECIFICATION Figure 1 aori The dimensions for the condensing unit are illustrated in Figure 1 Physical and electrical specifications are provided in Table 1 for 13 SEER systems respectively The Figure 2 show a schematic of the cooling only system Table 1 Model HC18 42D2VAR 208 230 60Hz _1PH Pos w Pos Max Fuse or Max CKT BKR C a a a fRatedL
9. Installation amp Operation Manual Central Air Conditioner 13 SEER 1 5 to 3 5 Ton Models HC18D2VAR HC24D2VAR HC30D2VAR HC36D2VAR HC42D2VAR No 0010578572 The information contained in this booklet is subject to change without notice WARNING e These instructions are intended as an aid to qualified licensed service personnel for proper installation adjustment and operation of this unit Read these instructions thoroughly before attempting installation or operation Failure to follow these instructions may result in improper installation adjustment ser vice or maintenance possibly resulting in fire electrical shock property damage personal injury or death e This product is designed and manufactured to permit installation in accordance with National Codes It is the installer s responsibility to install the product in accordance with National Codes and or prevailing local codes and regulations The manufacturer assumes no responsibility for equipment installed in violation of any codes or regulations e The United States Environmental Protection Agency EPA has issued various regulations regarding the introduction and disposal of refrigerants in this unit Failure to follow these regulations may harm the environment and can lead to the imposition of substantial fines Because these regulations may vary due to the passage of new laws we suggest that any work on this unit be done by a certified technician Should you have any questio
10. air it after removing the nitrogen Repeat the process and re ckeck 9 Do not purge the lines with refrigerant Evacuate the lines and indoor coil Refrigerant Metering Devices Replace the existing indoor unit fixed orifice with the orifice supplied with the outdoor unit See table 4 for the fixed orifice size for each unit Table 4 Fixed orifice size outdoor model orifice size HC18D2VAR HB2400VD1M20 HC24D2VAR HB2400VD1M20 HC30D2VAR HB3600VD1M22 HC36D2VAR HB3600VD1M22 HC42D2VAR HB4800VD1M22 Evacuation All new installations must be evacuated to a deep vacuum in order that all noncondensible gases and moisture are removed prior to charging the system Air in a system causes high condensing pressure which increases power consumption and reduces performance The presence of moisture in a system can render it inoperable in a very short time Proper evacuation assures a dry uncontaminated system Here is the recommended evacuation procedure 1 Connect vacuum pump to both liquid and suction valve service ports 2 Evacuate the interconnecting tubing and indoor coil to 500 microns or less for a minimum of 30 minutes Close the valve to the vacuum pump and wait 15 minutes Vacuum should not rise above 800 microns If unable to obtain 500 microns or vacuum rises above 800 microns over 15 minutes period discontinue evacuation pressurize and check for leaks Repair any leaks found and repeat the step 2 3 Close valve to the vacuum
11. connected to building structure Some sort of sound absorbing material should be placed between the condenser and the slab A good material to use is rubber and cork pad For rooftop application make sure the building construction can support the weight and that proper consideration is given to the weather tight integrity of the roof The condensing unit contains moving parts and can vibrate Therefore sound is also a consideration in rooftop applications WARNING Install the unit securely in a place that can bear the weight of the unit When installed in an insufficiently strong place the unit could fall causing injury 6 2 UNIT CLEARANCES 10 Min Service Access 18 Min Figure 3 The minimum clearances for the unit are illustrated in Figure 3 Condenser air enters from three sides Air discharges upward from the top of the unit Refrigerant tube and electrical connections are made from the service access area The most common application will find the unit best located about 10 from back wall with connection side facing the wall This application minimizes exposed tubing and wiring minimizing the space for youngsters to run around the unit with subsequent damage to the tubing or wiring In more confined application spaces such as corners provide a minimum of 10 clearance on all air inlet sides For service access to the compressor and control box allow 18 minimum clearance Ensure top is unobstructed If units are to be
12. ished with this instruction Note Some states need the power supply wiring within special tybe be careful to use the waterproof tube when installation the outdoor unit power supply wiring See the Figure 5 Figure 5 1 Figure 5 2 The condensing unit rating plate and the tables of Physical and Electrical Specifications Outdoor Units Table 1 and 2 provide pertinent data necessary for the selection of proper size electrical service and over current protection devices Table 6 provides data on the minimum copper wire size as a function of supply wire length and circuit ampacity Copper Wire Size AWG 1 Voltage Drop Supply Circuit 8 NIM wol HRIBR IR ID LBfuU RIRLRIAIDA KIL BRIA A a o00 00 sooo fe 6e o a a ON Table 6 Minimum Wire Size Based on N E C for 60 C Type Copper Conductors Below 100 Ampacity The owner should be made familiar with the location of the over current protection the proper size for this application and the proper procedure for disconnecting power service to the unit The condensing unit control wiring requires a 24 Volt minimum 25 VA service from the indoor transformer as shown on the wiring diagram 7 SYSTEM STARTUP 1 Turn thermostat to OFF turn on power supply at disconnect switch 2 Turn temperature setting as high as it will go 3 Turn fan switch to ON Indoor blower should run Be sure it is running in the right direction 4 Turn fan switch to AUTO
13. located under an overhang there should be a minimum of 36 clearance and provision made to deflect the warm discharge air out from the overhang In order to have an unrestricted air flow owners should be advised to avoid lawn mower discharge toward the unit depositing debris on the fin coil surface reducing the unit efficiency 6 3 REFRIGERANT PIPING The refrigerant piping is very important as it affects the proper operation and efficiency of the air conditioning system Note the following guidelines OUTDOOR UNIT ADDITIONAL SUCTION LINE PITCH SUCTION LINE TOWARD OUTDOOR UNIT 1 2 FRO EVERY 10 OF LINE OIL TRAP FOR EACH 20 FOOT RISE OF PIPE INDOOR UNIT ABOVE OR LEVEL TO OUTDOOR UNIT 70 LIQUID LINE OUTDOOR UNIT MAX SUCTION LINE OIL INDOOR UNIT A SHORE TRAP WHEN INDOOR UNIT IS 4 FEET OR LIQUID LINE MORE BELOW A OUTDOOR UNIT INDOOR UNIT BELOW OUTDOOR UNIT B 1 INVERTED LOOP LIQUID LINE N INDOOR UNIT OUTDOOR UNIT MAX M SUCTION LINE B 2 Figure 4 e Only refrigeration grade copper piping dehydrated and sealed should be used Take extreme care to keep the refrigerant tubing clean and dry prior to and during installation If in doubt blow out the tubing with dry nitrogen to remove any chips or debris before connection Always keep tubing sealed until it is in place and the connections are to be made Refrigerant piping should be as sh
14. ns please contact the local EPA office e The manufacturer s warranty does not cover any damage or defect to the air conditioner caused by the attachment or use of any components accessories or devices other than those authorized by the manufacturer into onto or in conjunction with the air conditioner You should be aware that the use of unauthorized components accessories or devices may adversely affect the operation of the air conditioner and may also endanger life and property The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized components accessories or devices Attach the service panel to the outdoor unit securely If the service panel is not attached securely it could result in a fire or an electric shock due to dust water etc e These instructions are intended as an aid to qualified licensed service personnel for proper installation adjustment and operation of this unit Read these instructions thoroughly before attempting installation or operation Failure to follow these instructions may result in improper installation adjustment ser vice or maintenance possibly resulting in fire electrical shock property damage personal injury or death e This product is designed and manufactured to permit installation in accordance with National Codes It is the installer s responsibility to install the product in accordance with National Codes and or prevailing local codes and regula
15. oadAmps sa o Compressor Locked Running 36 0 53 5 61 0 78 0 78 0 FanMowr RaedP oo o i id Net Dimensions In mm 21 1 2 21 1 2 23 3 8 21 1 2 21 1 2 26 7 8 24 1 4 24 1 4 23 3 8 241 4 24 1 4 26 7 8 24 1 4 24 1 4 30 3 8 W D H 547 547 595 547 547 683 616 616 595 616 616 683 616 616 771 Shipping Dimensions In mm 23 23 25 23 23 28 1 2 26 7 8 26 7 8 25 26 7 8 26 7 8 28 1 2 26 7 8 26 7 8 32 W D H 585 585 637 585 85 725 682 682 637 682 682 725 682 682 813 Net Weight Lbs kg 143 65 150 68 176 80 187 85 198 90 Approx Shipping Weight Lbs kg 158 72 165175 192 87 202 92 214 97 Table 2 System Cooling Capacity Cooling Indoor fan ARI data of EH Cooling Capacity with different outdoor T Outdoor Indoor speed Capacity SEER CEM J80 fes foo fos f1oo pos fio fiis HCI8D2VAR _ HB2400VDIM20 M _ j17000 J13 670 19210 f18649 18020 i7000 16745 16490 16235 15980 23000 13 900 25990 25231 24380 23000 HC30D2VAR HB3600vDIM22 L fsooo 13 1125 32770 31813 30740 29000 28565 35000 13 1240 39550 38395 37100 35000 34475 33950 33425 32900 HC42D2VAR HB4800VDIM22 L sooo 13 1480 46330 44977 43460 41000 40385 39155 38540 Figure 2 Central Air Conditioner Refrigerant Circuit SERVICE PORT COMPRESSOR SERVICE VALVE SERVICE PORT I J R INDOOR COIL DRIER optional OUTDOOR COIL SERVICE VALVE x o
16. ort as possible with a minimum of elbows or bends to avoid capacity loss and increased operating costs e Refrigerant lines must be adequately supported If metal strapping is used to secure the tubing do not allow the strapping to directly contact the tubing Use a closed cell insulation to separate the strapping from the tubing e Do not kink or twist the tubing e Refrigerant piping should not be installed in a cement slab as this limits access to the refrigerant should a leak be suspected e To ensure good oil return to the compressor it is important to pitch the horizontal suction line toward the compressor approximately 1 2 for every 10 of line Line Insulation Suction line requires insulation in order to prevent condensation from forming on the piping and to prevent heat gain caused by surrounding air Generally 3 8 wall thickness of Armflex or equivalent is satisfactory In severe application hot high humidity areas greater thickness may be required Apply the line insulation by sliding it on the sealed tuing before cutting and making connections Liquid line does not necessarily need insulation however if they are exposed to high ambient temperatures i e kitchen boiler rooms hot attics amp rooftop surface then they should be insulated Make sure to use the proper size tubing for the liquid line to prevent liquid refrigerant flashing to a vapor within the liquid line Do not allow the vapor line and liquid line to t
17. ouch together This would cause an undesirable heat transfer resulting in capacity loss and increased power consumption Refrigerant Line Sizing Check the following table Table 3 for correct suction and liquid line sizes for any combination of the unit size and the maximum refrigerant line length Refrigerant Line Length Unit Size 0 24 25 49 50 74 Ton Line Outside Diameter In aee hete ta Heh 3 4 3 8 3 4 3 8 ae On Tins 3 5 7 8 3 8 1 1 8 3 8 1 1 8 Table 3 Refrigerant Line Sizing The factory charge is sufficient for 25 feet of standard liquid line For longer or shorter liquid line lengths adjust the charge as follows 1 4 Line 0 3 oz Per foot 5 16 Line 0 4 oz Per foot 3 8 Line 0 6 oz Per foot 1 2 Line 1 2 oz Per foot Vertical Separation between Indoor and Outdoor Units Maximum allowable vertical separations between indoor and outdoor units are illustrated in Figure 4 A and Figure 4 B It s 70 when the indoor unit is below the outdoor unit Figure 4 A and 50 when the indoor unit is above the outdoor unit Figure 4 B To ensure good oil return to the compressor when the indoor unit is below the outdoor unit suction line oil trap should be used as illustrated in Figure 4 A Tubing Connections CAUTION Use extreme caution in removing the caps from the suction and liquid line fittings as there is pressure present A fitting is on the liquid line to
18. priate wiring diagram included in this manual P14 Table 6 Troubleshooting Guide WARNING Disconnect all electrical power to the unit before servicing Disconnect power to both the indoor and outdoor units NOTE There may be more than one electrical disconnect switch Failure to shut off power can cause electrical shock resulting in personal injury or death 12 symptom Possible Cause No cooling Insufficient Cooling Water on floor or in furnace Blocked condensate drain and P trap Condenser fan runs compressor doesn t Compressor short cycling Register sweat High head Low vapor pressures High head High or normal vapor pressures Low head High vapor pressures Low vapor cool compressor iced evaporator coil High vapor pressure Fluctuating head and vapor pressures Pulsing noise at metering device or liquid line Incorrect voltage At compressor terminals voltage must be within 10 of rating plate volts when unit is running Remove blockage Run or start capacitor defective Loose connection Check and tighten all connections Compressor stuck grounded or open Wait for 2 hours for overload to reset motor winding open internal overload Replace compressor if still open Low voltage condition At compressor terminals voltage must be within 10 of rating plate volts when unit is running Low voltage condition Add start kit components At compressor terminals voltage must be within
19. ps S PSS sanertioat too SS Carefully remove gage lines Table 5 System char ging table by superheat 6 4 ELECTRICAL WIRING WARNING e A means of strain relief must be installed to this appliance at the electrical service entrance Make sure that interconnecting wires between indoor and outdoor units meet the standards codes and regulations Incomplete connection or fixing of the wire could result in a fire e A means of strain relief must be installed to this appliance at the electrical service entrance Do not use intermediate connection of the power cord or the extension cord and do not connect many devices to one AC outlet It could cause a fire or an electric shock due to defective contact defective insulation exceeding the permissible current etc e Perform electrical work according to the installation manual and be sure to use an exclusive circuit If the capacity of the power circuit is insufficient or there is incomplete electrical work it could result in a fire or an electric shock e Ground the unit Do not connect the ground to a gas pipe water pipe lighting rod or telephone ground Defective grounding could cause an electric shock Electrical installation will consists of power supply wiring to the condensing unit and control wiring between thermostat indoor unit and the condensing unit All wiring must be in accordance with National Electrical Code and or local ordinances that may apply See unit wiring diagram furn
20. pump and stop pump 4 When sure of a tight well evacuated system charge with refrigerant Charging the System For systems with capillary tube or fixed orifice metering device Before checking the system charge make sure that the outdoor unit and indoor coil must be an approved match per the unit specification The indoor conditions should be within 2 F of the desired comfort conditions WARNING Do not vent refrigerant to the atmosphere It is a violation of federal law to do so If the refrigerant needs to be removed from a system to correct the charge inside always use a recovery or recycling device WARNING To prevent personal injury wear safety glasses and gloves when handling refrigerant 1 Fully open both shutoff valves 7 System Superheat 2 Connect service gage manifold to the valve service Ambient Return Air Temperature F ports being sure to evacuate lines Temperature At 65 170 175 85 3 Startup the system Refer to the Section 7 System Condenser Inlet F Startup Run system atleast 10 minutes to allo 60 a17 25 30 33 37 pressure to stabilize 4 Temporarily install thermometer on suction large line near condensing unit Be sure of good contact between thermometer and line Wrap thermometer Pp os Sf z with insulating material to assure accurate reading O S eee 5 Refer to Table 5 for proper system superheat Add o o J7leje charge to lower superheat Remove charge to raise
21. remove pressure CAUTION Condensing units are charged with refrigerant Condensing unit liquid and suction valves are closed to contain the charge within the unit Do not force the valve stem against the retaining ring If the valve stem is backed out past the retaining ring system pressure could force the valve stem out of the valve body and possibly cause personal injury CAUTION The piston is in the accessory bag Don t forget to take it out and put into the indoor liquid pipe orifice Instructions on the field tubing connections and valve opening procedure are as follow 1 Tubing should be cut square Make sure it is round and free of burrs at the connecting ends Clean the tubing to prevent contamination from entering the system 2 Make sure that both refrigerant stop valves at the outdoor unit are closed 3 Push the tubing into the fitting until it stops This prevents flux from getting into the system 4 Remove the cap and Schrader valve core from the service port to protect the valve seals 5 Wrap a wet rag around the valve stub before brazing 6 Braze the joints of interconnecting tubing Flow dry nitrogen into the shutoff valve port and through the tubing while brazing 7 After brazing quench with a wet rag to cool the joint Reinstall the Schrader core in the valve if removed for brazing 8 Pressurize the lines to 150 psi maximum with dry nitrogen Check for leaks at all joints with liquid detergent If a leak is found rep
22. tions The manufacturer assumes no responsibility for equipment installed in violation of any codes or regulations e The United States Environmental Protection Agency EPA has issued various regulations regarding the introduction and disposal of refrigerants in this unit Failure to follow these regulations may harm the environment and can lead to the imposition of substantial fines Because these regulations may vary due to the passage of new laws we suggest that any work on this unit be done by a certified technician Should you have any questions please contact the local EPA office e The manufacturer s warranty does not cover any damage or defect to the air conditioner caused by the attachment or use of any components accessories or devices other than those authorized by the manufacturer into onto or in conjunction with the air conditioner You should be aware that the use of unauthorized components accessories or devices may adversely affect the operation of the air conditioner and may also endanger life and property The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized components accessories or devices Attach the service panel to the outdoor unit securely If the service panel is not attached securely it could result in a fire or an electric shock due to dust water etc e Message to Owner These instructions should be carefully read and kept near the product for future reference
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