A/C Premiere Series Manual (Discontinued 14 SEER)
Contents
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3. UNDER ANY CIRCUMSTANCES HEAT THE REFRIGERANT CYLINDER WITH A TORCH OR BY ANY OTHER MEANS OTHER THAN WARM WATER EXCESSIVE PRESSURES GENERATED IN THIS MANNER MAY WEAKEN THE REFRIGERANT CONTAINER AND RESULT IN A CYLINDER EXPLOSION If a charge must be added to the system 410A refrigerant must be removed from the storage cylinder as a liquid Slowly add liquid refrigerant through the suction service port while the compressor is running RECOMMENDATIONS FOR OPERATING AT LOWER OUTDOOR AMBIENT CONDITIONS If you are going to be operating the system below 65 F Thermo Products specifies you must add to the system the items listed below to aid in its longevity and durability of the compressor 1 There should be a crankcase heater installed on compressor 2 A low ambient control 45 contact added to the 24 volt control circuit 3 Suction line accumulator 4 Confirm compressor superheat These items will assist in preventing liquid floodback flooded starts and refrigerant migration during off cycle These situations are detrimental to the life of a compressor USER INFORMATION The following maintenance points should be reviewed periodically to assure that the air conditioning system will operate properly 1 Keep clean air filters in the path of the air flow If excessively dirty air filters are not changed this will cause poor performance of the system put unnecessary strain on the compressor and this may cause the system to lock ou
4. is in operation Follow EPA guidelines in connecting service equipment to refrigerant lines For example The use of quick connects and short service hoses are recommended to minimize refrigerant losses AWARNING Refrigerant is under pressure Guard against refrigerant spraving into the face or on skin Alwavs wear protective equipment i e safetv glasses or goggles and gloves when working with refrigerant ACAUTION R 410a svstems operate at higher pressures than R 22 svstems Do not use R 22 service equipment or components on R 410a equipment Service equipment must be rated for R410a Line pressures on an operating air conditioning unit will varv with outdoor temperatures As outdoor temperatures rise pressures will also rise See pressure temperature chart for svstem line pressures at different temperatures The suction pressure is the most significant when reading gauges If a unit is suspected of low charge unit should be recharged using the suction pressure as a guide Unit is fullv charged when proper suction pressure is obtained Anv additional refrigerant mav cause damage or additional problems 13 The pressure temperature chart on the wiring diagram is to serve only as a guide Pressures shown are realistic averages which will vary somewhat with changes in air temperatures air volume across the evaporator coil condenser coil and changes in humidity both inside and outside and variations in line length A CAUTION DO NOT
5. s components trunk lines takeoff s runs and register and grill free areas must be properly sized and matched together A 12x8 duct with a 400 CFM capacity for example WILL NOT flow 400 CFM if the register s can only flow a total of 200 CFM When sizing the return air duct system the air handling capacity MUST BE EQUAL TO the supply system at a minimum It is recommended that you follow design parameters established by ACCA or ASHRAE on the return air duct systems G ELECTRICAL All wiring must conform to the provisions of local codes or in the absence of local codes with the provisions of the National Electrical Code Latest Edition and this instruction manual An equivalent type wire must be used if any of the original wire supplied with the unit needs to be replaced All field wiring of hazardous voltages must be routed through conduit to the 7 8 access hole provided in the base of the Control Panel IN er K 7 Wa C A i salir Reference Table A for unit electrical characteristics Bring proper service to the unit through a circuit breaker or fused disconnect switch in accordance with local codes In the case of a single phase 230 VAC unit the neutral wire should be brought to the unit in order to provide ground service A ground wire must be connected to the unit at the screw or pressure connector marked ground The best fuse size is the smallest fuse that will allow the equipment to operate cont
6. the refrigerant to the system Verify proper system performance See condensing unit manual for additional performance data 3 This is not a back seating valve Open the valve cap with an adjustable wrench Insert a 3 16 or 5 16 hex wrench into the stem Back out counterclockwise until the valve stem just touches the retaining ring This opens the valve completely The gauge port is open accessible at all times NOTE Make sure all connections have been leak checked before opening service valves 4 Replace the valve cap finger tight then tighten an additional 1 12 turn or 1 2 hex flat A metal to metal seal is now complete IF THE VALVE STEM IS BACKED OUT PAST THE RETAINING RING SYSTEM PRESSURE COULD FORCE THE VALVE STEM OUT OF VALVE BODY AND POSSIBLY CAUSE PERSONAL INJURY IN THE EVENT THE RETAINING RING IS MISSING DO NOT ATTEMPT TO OPEN VALVE F DUCT SYSTEM The duct system and load sizing calculation should follow the design standards of Air Conditioning Contractors of America ACCA Manuals D amp J or the American Society of Heating Refrigeration amp Air Conditioning Engineers Inc ASHRAE Fundamentals Volume latest edition To quickly aid you in evaluating existing duct systems review the chart below The chart shows the CFM capacity for square inch areas based on 10 W C static pressure SP loss on the supply systems To insure the necessary air handling capacity of a duct system each of the system
7. 0 F since a false reading may occur Do not attempt to operate the air conditioner on a day of 45 F or cooler TABLE 1 APPROXIMATE OPERATING PRESSURES when an inside temp of 76 78 F is reached then eb A Outside o Ligua superheat measurement must be between 8 INSIDE SUCTION OUTSIDE LIQUID 10 F This is done by comparing the gauge temp TEMP PRESS TEMP PRESS of R 410A on the suction line to the measured F P S I G F P S I G temp on the low side of the condenser The 65 106 70 266 difference is the superheat If the superheat is less 70 117 75 286 that 8 F decrease charge If the superheat Ta 156 sog is more than 10 F then increase charge 76 131 90 354 80 140 95 380 Another check on system charge would be to 85 154 100 406 measure the temperature of the liquid line leaving 90 168 105 434 the condenser and it s R 410A gauge temperature For proper operation the measured liquid temperature will be about 10 F lower than its gauge temperature If the difference is less add charge If the difference is greater remove charge The system should run for at least 10 minutes before rechecking All Thermo Pride outdoor condensing units are equipped with gauge ports to connect both liquid and suction line pressure gauges Refrigerant hoses must be the type which incorporate a finger to depress the core Connections may be made to ports at any time even while unit
8. AIR CONDITIONING Thermo Pride DATE 04 20 09 14 SEER AFFECTED BY INSTALLATION amp SERVICE MANUAL Thermo Products LLC North Judson Indiana se IMPORTANT Do Not Destroy This envelope contains your assembly instructions and guarantee This device is potentially dangerous if improperly installed We recommend installation by qualified heating amp air conditioning contractors Please read the enclosed instructions carefully before amp during installation Please keep these instructions as permanent reference near appliance MAC 200 ECN 5003 MA CONTENTS SECTION INSTALLATION INSTRUCTIONS A DESCRIPTION OF AIR CONDITIONING CONDENSER B LOCATION OF OUTDOOR CONDENSING UNIT C TUBING INSTALLATION D TUBING SIZE REFERENCE CHART E INSTALLATION OF TUBING LINES TO SERVICE VALVES F DUCT SYSTEM G ELECTRICAL INITIAL START UP OF OUTDOOR CONDENSING UNIT AND HOW TO MEASURE SUPERHEAT RECOMMENDATIONS FOR OPERATING AT LOWER OUTDOOR AMBIENT CONDITIONS USER INFORMATION SPECIFICATIONS REPLACEMENT PARTS PAGE 13 14 14 15 15 INSTALLATION INSTRUCTIONS NOTE KEEP INSTRUCTIONS READILY AVAILABLE A DESCRIPTION OF AIR CONDITIONING CONDENSER The outdoor condensing unit is designed and built with a totally enclosed hermetic scroll compressor which offers the advantages of simplicity quiet operation and reduced condenser size The entire air conditioning system h
9. IIA 109 JOJEJOABA8 Jo 109 lssuspuoo JOSS9JAWO9 y JO Jususoejdel su UJIM PS EIOOSSE S S09 Joqe Auy oBIEU9 ou JE S JSUMO EUIGLO y o sped Jiedal Alesssoau 10 jlustusoe del e uodo sy JE APIAOJA JIM 911 SJONpold oway VANJJJOP sawoosq sGulldnoo pue 9AJBA uoisuedxo Guipn oxe JIOD JojeJodeAe JO JIOD JOSUBPUOD JosseJdio2 y UOhEI EJSUI JO apep BU woy JesA UJUS 2y UBNOJU JESA yy DU Joye W AUE JE JI HYJA HLNAL HONOAHL HLXIS Ajljiqisuodso1 saumo y 90 IM Joss8Jdwoo9 y JO jusiusoe dal JU UJIM payeloosse soo Joqe Aue ead JSIIJ au Jelly 00 OSL JO UNUIXEW B o dn OTI SJONPOJA ouuey L Aq pied aq JJIM UOIJEJJEJSUI Jo ayep JU WOJJ JEQA JSII BU UIUJIM AJUO JossaJdwoo y Jo JUSWSVejdo1 y UM pajeloosse soBJEU9 JOqej Auy JSUMO y Jo Ajljiqisuodso1 y sle Jossaldiuoo su ydeoxe Wed Meu y Jo UOIJEJJEJSUI pue peaowa SJ Hed aajoajap e JO SISOUBEIP JU Ul PAAJOALI s s09 Joqej Auy ped sAqo8jsp ay soejdel 0 8910U9 SIU JO Jajeap 19470 Aue 10 Jajeap UIJJEJSUI JELI IJO 81 YIM aBuewe ACLU JOUMO y Hed 9AIJO9 9P y Jo UONISOdSIP y 0 se UBAIB SQ IM SUOIJONJJSUI pue UOIELOdSUEJ predad Aq poddius sq IM ji pelep o SI ped JUBLUSOBJAJDJ payueeM e JI ALNVHHVM AVJA HL14I4 HONOHHL LSHIH s JouMo juonbosqns Aue 0 osje pue 911 s onpold oway 0 POUINJOJ pieg UOIJEJJSI OH UELIEA ay UO 9 P9IJIJJ99 siy UO Jeodde s aweu asoym s J9UMO EUIGLIO y 0 pepus xe SI AUBLIEM SUL J
10. IUSUBULLIDJJOM pue JELISJELU ul s oajep WOJJ 881 aq O JIOD Jojelodena pue jun Buisuepuoo Buluonipuoo JIE apud OUJBU BU SJUEJIEM AqalsH uoneiodiog 91emejaq e ITI sjonpold OLLISU L AJUEJJEM GNIW 40 J3OVAdd OTT SPNpold OWJSUL Ados 48UMO 22
11. Secondary of control transformer 18 30 VAC From Thermostat Low Pressure Switch High Pressure Switch Compressor Contactor 1 5 Amp Alarm Output Switched R 2 Amp 150 180 seconds fixed 180 seconds DOB 10 seconds RNDM STRT 3 seconds 11 THREE PHASE PRINTED CIRCUIT BOARD MODE OF OPERATION STATUS LED A green status LED indicates that control power is present A red status LED indicates DELAY ON BREAK or faults A flashing red LED indicates NO FLASH COMPRESSOR IS RUNNING 1 Flash DELAY ON BREAK 2 Flash Less than 1 Hr since loss of LPS 3 Flash Less than 1 Hr since loss of HPS 4 Flash Less than 1 Hr since loss of LPS amp HPS 5 Flash Manual lockout LPS 6 Flash Manual lockout HPS RANDOM START When power is first applied to the PCB a random start time delay will occur that is 150 180 seconds long If the thermostat is calling Y and the high pressure switch is closed the compressor contactor will energize after the random start time is complete DELAY ON BREAK Breaking the circuit with the HPS LPS or the thermostat will de energize the compressor contactor and initiate the DELAY ON BREAK timer The compressor contactor will remain de energized until the DELAY ON BREAK time has expired The DELAY ON BREAK time is 180 seconds HIGH PRESSURE SWITCH If the HPS opens while the compressor contactor is energized for greater than 500 ms the compressor contactor will de energize until the DELAY ON BREAK time has e
12. as been built and performance tested against rigid standards The installation must comply with the National Electrical Code ANSI NFPA 70 latest edition any state or local codes and these instructions B LOCATION OF OUTDOOR CONDENSING UNIT The primary consideration in selecting the location of the outdoor condensing unit is how the location affects the length of the refrigerant tubing lines Bear in mind that the longer the tubing line the greater the pressures drop causing a reduction in the cooling capacity of the unit Another consideration in the location selection is the sun load placed on the outdoor condensing unit Locations which place the unit in direct exposure to the sun during the majority of a day should be avoided if possible Inside corners on the southeast or southwest corners are to be avoided as the heat build up in such corners would place an increased workload on the unit Shaded locations on the north side of a home or office are generally best if practical Mount the unit on a sturdy base at least one inch above the ground Be sure to use well tamped gravel fill beneath the blocks or bricks to prevent settling if concrete blocks or bricks are used Use a minimum 4 x4 treated timbers plus gravel fill to prevent settling if timbers are used AWARNING A premature compressor failure may result and will VOID THE WARRANTV if the outdoor condensing unit is located in an enclosure such as a gara
13. ge or not in accordance with these instructions Please refer to the Peace of Mind Warranty Certificate included with this product for warranty information All models feature an up flow airflow design discharged through the top grill For this reason the outdoor condensing unit should not be located under an overhang or any other construction which would direct the discharged air back to the outdoor condensing unit The unit should be located as illustrated below C TUBING INSTALLATION The compressor oil is constantly pumped through the liquid line evaporator coil and back through the suction line in normal operation of an Air Conditioning system Please follow the guide lines listed below to insure proper lubrication of the compressor by avoiding oil accumulation at undesirable points in the system 1 No traps in the suction line are necessary if the outdoor condensing unit is level with the indoor evaporator coil or the indoor evaporator coil is 4 feet or less lower than the outdoor condensing unit Any horizontal runs of suction line should have minimum 1 2 pitch towards the outdoor condensing unit for every 10 feet of line 1 2 A trap is necessary in the suction line at the indoor evaporator coil if the indoor evaporator coil is more than 4 below the outdoor condensing unit and 1 trap per everv 10 of vertical rise thereafter s 1 AWARNING A gradual loop in the tubing can be constructed to take up the excess
14. inuously without any nuisance trips This type of fuse will give the equipment maximum protection A time delay type fuse such as Fustat or Fusetron will prevent nuisance trips due to the starting current locked rotor amps LRA FUSE SIZING TABLE A Recommendations Minimum Min Fuse or HACR Compressor Fan Circuit Copper Circuit Breaker Voltage Motor Ampacity Wire Size Min Max Unit Model Phase Hertz RLA LRA FLA AMPS AWG AMPS AMPS AC14241E2 208 230 1 60 13 5 58 3 0 8 18 12 20 25 AC14301E2 208 230 1 60 12 8 64 0 8 17 12 20 25 AC14361E2 208 230 1 60 14 1 77 0 8 19 12 20 25 AC14421E2 208 230 1 60 17 9 112 0 8 24 10 25 30 AC14481E2 208 230 1 60 19 9 109 1 6 26 10 30 35 AC14601E2 208 230 1 60 26 4 134 2 1 36 8 35 40 AC14483E2 208 230 3 60 13 1 83 1 1 6 18 12 20 25 AC14603E2 208 230 3 60 16 110 2 1 23 10 25 30 NOTE Recommended wire sizes are for copper conductors only Use as minimum type T or TW wire 60 C Local and or national electrical codes dictate which wire size you must use For example If a 25 or 30 amp fuse is used a minimum wire size of 10 AWG must accompany it If you fuse to maximum sizes your wire size must be adjusted accordingly 3R L A Compressor running load amps 4L R A Compressor locked rotor amps F L A Full load amps of condenser blower motors In the event a fu
15. se blows investigate for the cause Do not put in a larger fuse and do not exceed maximum fuse size listed on name plate The name plate is located just above the valve connection on the outside surface of the outdoor unit NOTICE Before the Air Conditioner unit is started the following points must be checked by the installer and or electrician 1 Check every electrical connection of PUSH ON or SCREW ON type terminals to insure it is secured tightly on its proper post 2 Review wiring diagram for proper routing 3 All wiring must comply with NEC or local codes for wire sizes Also it is suggested that the next larger size wire to be used when long runs in excess of 100 ft are experienced Reference the following wiring diagrams when wiring or servicing A loose terminal will cause poor flow of electrical power to the compressor and result in very high current draw This can lead to blown fuses burned wires burned contact points and a premature compressor failure Each electrical contact has been factory checked however connections may loosen up due to vibration in transit Please be certain that all electrical connections are tight 10 UNIT WIRING DIAGRAMS SINGLE PHASE x WARNING CORRECT POLARITY REQUIRED IF UNIT FAILS TO START PROPERLY SWAP POWER WIRES INPUTS R R C C Y R LPC1 LPC2 HPC HPC OUTPUTS CC ALR TOLERANCE RANDOM START DELAY ON BREAK TEST MODE AII timings 10 SPECIFICATIONS
16. t Never operate system without clean air filters in place 2 Keep the outside condenser coil clean by spraying with a garden hose from the inside of the coil outward DWARNING TURN OFF OR DISCONNECT THE ELECTRICAL POWER SOURCE BEFORE CLEANING THE CONDENSER COIL If the air conditioning system will not operate check the following points before calling a qualified serviceman 1 Is the sub base of the thermostat switched to the COOL position 2 Is the temperature setting on the thermostat low enough to bring the air conditioner on 3 Ifthe fan motor or compressor have locked out on thermal overload it may be necessary to wait several hours before the unit will restart If this happens with any regularity call your local serviceman 14 SPECIFICATIONS Unit Model AC14241E2 AC14301E2 AC14361E2 AC14421E2 PAZ E2 8 SCE E2 8 Capacity SUE 24 000 29 200 35 000 39 500 45 000 58 500 Evaporator EM 800 1 000 1 200 1 400 1 600 1 800 R410A oz 92 92 92 108 108 108 Shipping 185 185 189 211 212 207 215 212 Weight May vary with dependant on evaporator selection See full A C spec page Approximate charge see unit rating label for factory charge Contact Thermo Pride technical service 574 896 2133 for more info REPLACEMENT PARTS 15 NOTE ACI42412E SHOWN OTHER UNITS MAY VARY SLIGHTLY FROM WHAT IS DEPICTED ABOVE N Ta
17. tubing if vou find that too much tubing has been brought onto a job Such a loop MUST be kept in a horizontal flat plane to avoid trapping the oil Refrigerant lines should be inserted into a suitable conduit or racewav when the lines are to be buried between the building and the outdoor condensing unit The lines must be provided with sufficient protection and support to prevent damage when installed above the ground D TUBING SIZE REFERENCE CHART 0 50 TOTAL LINE LENGTH MODEL SUCTION LINE LIQUID LINE ACI4241E2 AC14301E2 AC14361E2 AC14421E2 AC14481E2 AC14601E2 7 8 12 AC14483E2 AC14603E2 50 75 TOTAL LINE LENGTH MODEL SUCTION LINE LIQUID LINE AC14241E2 amp AC14301E2 AC14361F2 AC14421F2 ACI4481E2 amp ACI4601E2 AG TI ACI4483E2 AC14603E2 15 100 TOTAL LINE LENGTH MODEL SUCTION LINE LIQUID LINE AC14241E2 AC14301E2 amp AC14361E2 1 1 8 AC14421E2 AC14481E2 amp AC14601E2 1 1 8 5 8 AC14483E2 AC14603E2 NOTES For line lengths over 25 adjust charge accordingly per foot of variation from chart 65 oz per foot for 3 8 and 3 4 line set 674 oz per foot for 3 8 and 7 8 line set 694 oz per foot for 1 2 and 7 8 line set 72 oz per foot for 1 2 and 1 1 8 line set 76 oz per foot for 5 8 and 1 1 8 line set These charges are to be used in conjunction with a superheat measurement for best performance 1 Tubing dimensions are outside diameter 2 T
18. ubing Type ACR Type K heavy wall or Type L medium thick wall 3 Refrigerant line lengths over 100 are not recommended 4 These line size recommendations are based on the use of refrigeration grade tubing and do not include considerations for additional pressure drops due to elbows valves or reduced joint sizes E INSTALLATION OF TUBING LINES TO SERVICE VALVES Please read the following instructions carefully before connecting your line set to the service valves XX EXTREME CAUTION SHOULD BE USED WHEN BRAZING JOINTS KEEP TORCH AWAY FROM CONDENSER CABINET ALUMINUM COIL AND PLASTIC MESH WRAP 1 Wrap a wet rag around the valve body and copper stub before brazing Flux the copper tube and the stub Braze the joint then use a second wet rag to cool joint before removing first rag wrapped around service valve When making on the job tubing a solder such as SilFos Phos Copper Easy Flo 35 or 45 should be used No attempt will be made here to instruct proper soldering or brazing technique but it is necessary for the installer to use an accepted technique in accordance with good existing practices 2 All joints and fittings must be properly leak tested as per EPA guidelines after on the job tubing has been made up The line set and the evaporator coil must be evacuated to 29 96 Hg 1000 microns or lower when all joints and fittings are leak free The service valves on the condenser may then be opened to release
19. xpired and the HPS has closed If the HPS opens twice within 1 hr the fault protection feature will energize and the control will go into lockout The control will not reset until the thermostat and or power is cycled and the HPS is closed LOW PRESSURE SWITCH There is a 120 second bypass time for the LPS If the LPS opens for greater than 120 seconds the compressor contactor will de energize until the DELAY ON BREAK time has expired and the LPS has closed NOTE If the LPS opens twice within 1 hr the fault protection feature will energize and the control will go into lockout The control will not reset until the thermostat and or power is cycled and the LPS is closed 12 INITIAL START UP OF OUTDOOR CONDENSING UNIT On cooler days 65 F or lower attempts to operate the air conditioner and take gauged pressure readings may be unsuccessful as unusually low pressures will be observed on the suction line This type of operation may give the impression of an undercharged unit Such is NOT necessarily the case The low pressure reading may exist because of the large condenser surface area and the cold ambient air removing so much heat from the refrigerant Sub cooling occurs and results in very low pressures Adding refrigerant in cold weather will result in an overcharged unit which may then trip out on high pressure limit during warm or hot weather Line pressures should not be taken for test purposes when the outdoor temperature is below 7
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