TECHNICAL SUPPORT MANUAL Split System Air Conditioner

Transcription

TECHNICAL SUPPORT MANUALSplit System Air ConditionerR4A3, WCA3**4Safety Labeling and Signal WordsDANGER, WARNING, CAUTION, andNOTEThe signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. The signal word DANGER is onlyused on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, andNOTE will be used on product labels and throughout this manual and other manuals that may applyto the product.DANGER Immediate hazards which will result insevere personal injury or death.WARNING Hazards or unsafe practices whichcould result in severe personal injury or death.CAUTION Hazards or unsafe practices whichmay result in minor personal injury or product orproperty damage.Signal Words in ManualsThe signal word WARNING is used throughout thismanual in the following manner:!WARNINGWARNINGThe signal word CAUTION is used throughout thismanual in the following manner:!CAUTIONSignal Words on Product LabelingSignal words are used in combination with colorsand/or pictures on product labels.NOTE Used to highlight suggestions which willresult in enhanced installation, reliability, or operation.TABLE OF CONTENTSWiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Tech Labels (Expanded Data) . . . . . . . . . . . . . . . . 4 10R4A3 Cooling Multipying Factors . . . . . . . . . . . . 11 14WCA3**4 Cooling Multipying Factors . . . . . . . . . 15 16Model Number Identification . . . . . . . . . . . . . . . . 17 60A*KB100WCA3604GKA1* A for standard inlet grille,G for inlet grille with 3/8” (10mm) tight wire spacing!WARNINGDEATH, PERSONAL INJURY, AND/OR PROPERTYDAMAGE HAZARDFailure to carefully read and follow this warningcould result in equipment malfunction, propertydamage, personal injury and/or death.Installation or repairs made by unqualified persons could result in equipment malfunction, property damage, personal injury and/or death.The information contained in this manual is intended for use by a qualified service technician familiar with safety procedures and equipped withthe proper tools and test instruments.Installation must conform with local buildingcodes and with the National Electrical CodeNFPA70 current edition or Canadian ElectricalCode Part 1 CSA C.22.1.421 04 6001 00 April 2010

TECHNICAL SUPPORT MANUAL21. Symbols are electrical representation only.2. Compressor and fan motor furnished with inherent thermal protection.3. To be wired in accordance with National Electric N.E.C. and local codes.4. N.E.C. class 2, 24 V circuit, min. 40 VA required, 60 VA on units installed with LLS.5. Use copper conductors only. Use conductors suitable for at least 75 C (167 F).6. Connection for typical cooling only thermostat. For other arrangements see installation instructions.7. If indoor section has a transformer with a grounded secondary, connect the grounded side to the BRN/YEL lead.8. When start capacitor and relay are installed, start thermistor (PTC) is not used.9. CH not used on all units.421 04 6001 0010. If any of the original wire, as supplied, must be replaced, use the same or equivalent wire.11. Check all electrical connections inside control box for tightness.12. Do not attempt to operate unit until service valves have been opened.13. Do not rapid cycle compressor. Compressor must be off 3 minutes to allow pressures to equalize between high and low side before starting.14. Wire not present if HPS, LPS or CTD are used.335620 101 REV. BSplit System Air Conditioner: R4A3, WCA3**4Model Sizes: 18, 24, 30, 36, 42, 48, 60

TECHNICAL SUPPORT MANUALSplit System Air Conditioner: R4A3, WCA3**4R 410A CHARGING CHARTMeasured LiquidPressure (psig) F6( C)3Rating Plate (required) Subcooling Temperature F ( C) F( C) F( C) F( C)F( 313233343637384041424344464748495051R 410A Required Liquid Line Temperature F ( 91184811647421 04 6001 00F16( 4463

Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.†† At TVA rating indoor condition (75 F db, 63 F wb), all other indoor air temperatures are at 80 F dbIf additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur. System amps are total of indoor and outdoor amps.‡Chart data is for 80 F indoor dry bulb. For indoor db temperatures other than 80 F, measure Indoor db and Indoor CFM, and plug these into theformula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)Sensible Capacity at Indoor db LOWER than 80 F ( MBh x S/T ) 421 04 6001 00Sensible Capacity at Indoor db HIGHER than 80 F ( MBh x S/T ) (())( 80 Indoor db ) x 835 x Indoor CFM1000( Indoor db 80 ) x 835 x Indoor CFM1000Split System Air Conditioner: R4A3, 14.841.008.94482151TECHNICAL SUPPORT MANUAL418 Size Outdoor With ED*4X18B** Indoor CoolingOutdoor Ambient Temperature Degrees F, Dry Bulb758595105115Entering Indoor Temperature Degrees F, Wet � 20.35 18.72 17.21 16.70 19.43 17.86 16.41 16.05 18.46 16.95 15.59 15.37 17.51 16.04 14.75 14.67 16.49 15.07 13.92S/T‡ 0.50 0.66 0.86 1.00 0.50 0.68 0.88 1.00 0.51 0.69 0.90 1.00 0.52 0.71 0.92 1.00 0.53 0.73 1.00525 AMPS* 5.11 5.19 5.26 5.28 5.86 5.94 6.00 6.02 6.68 6.76 6.82 6.84 7.60 7.68 7.75 7.75 8.61 8.70 8.77HI PR 5482479LO PR 5151141MBh† 20.73 19.03 17.59 17.38 19.69 18.14 16.78 16.69 18.69 17.20 15.95 15.97 17.72 16.27 15.23 15.23 16.67 15.27 14.44S/T‡ 0.51 0.69 0.90 1.00 0.52 0.71 0.92 1.00 0.53 0.73 1.00 1.00 0.54 0.75 1.00 1.00 0.55 0.77 1.00600 AMPS* 5.22 5.29 5.36 5.37 5.96 6.04 6.10 6.11 6.78 6.86 6.92 6.92 7.70 7.78 7.84 7.84 8.72 8.80 8.85HI PR 6482480LO PR 8154147MBh† 21.01 19.25 17.94 17.92 19.88 18.34 17.20 17.20 18.85 17.38 16.44 16.44 17.86 16.43 15.67 15.67 16.79 15.41 14.84S/T‡ 0.53 0.72 0.99 1.00 0.54 0.74 1.00 1.00 0.55 0.76 1.00 1.00 0.56 0.78 1.00 1.00 0.57 0.81 1.00675 AMPS* 5.33 5.40 5.46 5.46 6.06 6.14 6.20 6.20 6.89 6.97 7.02 7.02 7.81 7.89 7.93 7.93 8.82 8.91 8.94HI PR 7483482LO PR 0157151

16722.460.5711.48495170Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.†† At TVA rating indoor condition (75 F db, 63 F wb), all other indoor air temperatures are at 80 F dbIf additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur. System amps are total of indoor and outdoor amps.‡Chart data is for 80 F indoor dry bulb. For indoor db temperatures other than 80 F, measure Indoor db and Indoor CFM, and plug these into theformula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)Sensible Capacity at Indoor db LOWER than 80 F ( MBh x S/T ) Sensible Capacity at Indoor db HIGHER than 80 F ( MBh x S/T ) (())( 80 Indoor db ) x 835 x Indoor CFM1000( Indoor db 80 ) x 835 x Indoor 14019.521.0011.3248714620.021.0011.474891515Split System Air Conditioner: R4A3, WCA3**4†115TECHNICAL SUPPORT MANUAL421 04 6001 0024 Size Outdoor With ED*4X24B** Indoor CoolingOutdoor Ambient Temperature Degrees F, Dry Bulb758595105Entering Indoor Temperature Degrees F, Wet BulbCFM726762577267625772676257726762MBh† 27.06 24.87 22.98 22.41 25.82 23.82 22.00 21.61 24.64 22.70 20.97 20.75 23.44 21.55 19.91S/T‡ 0.49 0.66 0.85 1.00 0.50 0.67 0.87 1.00 0.50 0.69 0.89 1.00 0.51 0.70 0.91700 AMPS* 7.15 7.12 7.10 7.10 8.00 7.98 7.96 7.96 8.95 8.93 8.92 8.92 10.01 9.99 9.98HI PR 291286283281335330326325383378374374436431427LO PR � 27.49 25.24 23.44 23.25 26.14 24.15 22.46 22.40 24.93 23.00 21.49 21.49 23.69 21.83 20.55S/T‡ 0.51 0.69 0.89 1.00 0.52 0.71 0.91 1.00 0.52 0.72 1.00 1.00 0.53 0.74 1.00800 AMPS* 7.31 7.28 7.27 7.26 8.16 8.14 8.13 8.12 9.11 9.09 9.08 9.08 10.17 10.15 10.14HI PR 292287284283336331328327384379376376437432429LO PR � 27.76 25.50 23.92 23.92 26.38 24.39 23.03 23.04 25.12 23.21 22.08 22.08 23.86 22.02 21.10S/T‡ 0.52 0.72 1.00 1.00 0.53 0.74 1.00 1.00 0.54 0.76 1.00 1.00 0.55 0.78 1.00900 AMPS* 7.48 7.44 7.43 7.43 8.32 8.30 8.29 8.29 9.27 9.25 9.24 9.24 10.33 10.31 10.30HI PR 293288285285337332329329385380377377438433431LO PR 162148138138164150141141166152144144168154148

CFMMBh†S/T‡875 AMPS*HI PRLO PRMBh†S/T‡1000 AMPS*HI PRLO PRMBh†S/T‡1125 AMPS*HI PRLO 50216826.460.6113.86503171Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.†† At TVA rating indoor condition (75 F db, 63 F wb), all other indoor air temperatures are at 80 F dbIf additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur. System amps are total of indoor and outdoor amps.‡Chart data is for 80 F indoor dry bulb. For indoor db temperatures other than 80 F, measure Indoor db and Indoor CFM, and plug these into theformula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)Sensible Capacity at Indoor db LOWER than 80 F ( MBh x S/T ) 421 04 6001 00Sensible Capacity at Indoor db HIGHER than 80 F ( MBh x S/T ) (())( 80 Indoor db ) x 835 x Indoor CFM1000( Indoor db 80 ) x 835 x Indoor 14323.351.0013.6549614923.891.0013.85497154Split System Air Conditioner: R4A3, WCA3**4†726762577231.88 29.45 27.29 26.90 30.550.52 0.70 0.91 1.00 0.538.58 8.55 8.52 8.52 9.6229729228828734215814413213015932.25 29.82 27.85 27.82 30.870.54 0.74 0.99 1.00 0.558.79 8.75 8.73 8.73 9.8329829328928934316114713613616332.50 30.08 28.55 28.55 31.080.56 0.77 1.00 1.00 0.578.99 8.96 8.94 8.94 10.03299294291291344163150141141165115TECHNICAL SUPPORT MANUAL67530 Size Outdoor With ED*4X30B** Indoor CoolingOutdoor Ambient Temperature Degrees F, Dry Bulb8595105Entering Indoor Temperature Degrees F, Wet Bulb6762577267625772676228.21 26.15 25.94 29.17 26.90 24.96 24.91 27.73 25.54 23.830.72 0.93 1.00 0.53 0.73 0.95 1.00 0.54 0.75 1.009.59 9.57 9.57 10.77 10.75 10.73 10.73 12.06 12.03 13713616315014028.55 26.81 26.81 29.45 27.20 25.72 25.73 27.98 25.81 24.590.75 1.00 1.00 0.56 0.77 1.00 1.00 0.57 0.79 1.009.79 9.78 9.78 10.98 10.95 10.93 10.93 12.26 12.24 14214216615314528.78 27.50 27.50 29.63 27.41 26.36 26.37 28.13 26.00 25.190.79 1.00 1.00 0.58 0.81 1.00 1.00 0.59 0.84 1.0010.00 9.98 9.98 11.18 11.15 11.14 11.14 12.46 12.44 147147169155150

CFMMBh†S/T‡1050 AMPS*HI PRLO PRMBh†S/T‡1200 AMPS*HI PRLO PRMBh†S/T‡1350 AMPS*HI PRLO 117033.170.5917.00502172Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.†† At TVA rating indoor condition (75 F db, 63 F wb), all other indoor air temperatures are at 80 F dbIf additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur. System amps are total of indoor and outdoor amps.‡Chart data is for 80 F indoor dry bulb. For indoor db temperatures other than 80 F, measure Indoor db and Indoor CFM, and plug these into theformula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)Sensible Capacity at Indoor db LOWER than 80 F ( MBh x S/T ) Sensible Capacity at Indoor db HIGHER than 80 F ( MBh x S/T ) (())( 80 Indoor db ) x 835 x Indoor CFM1000( Indoor db 80 ) x 835 x Indoor 14429.201.0016.7349215029.861.0016.974941557Split System Air Conditioner: R4A3, 6340.700.5411.00301165115TECHNICAL SUPPORT MANUAL421 04 6001 007536 Size Outdoor With ED*4X48J** Indoor CoolingOutdoor Ambient Temperature Degrees F, Dry Bulb8595105Entering Indoor Temperature Degrees F, Wet Bulb6762577267625772676235.22 32.65 32.30 36.46 33.64 31.21 31.07 34.71 31.99 29.760.70 0.91 1.00 0.52 0.71 0.93 1.00 0.53 0.73 1.0011.77 11.75 11.74 13.22 13.19 13.17 13.17 14.79 14.77 13813716515114035.62 33.33 33.37 36.81 34.00 32.07 32.07 35.01 32.31 30.710.74 1.00 1.00 0.54 0.75 1.00 1.00 0.55 0.77 1.0012.02 11.99 12.00 13.47 13.44 13.42 13.42 15.04 15.01 14314316815414635.90 34.21 34.21 37.03 34.25 32.85 32.85 35.19 32.53 31.430.77 1.00 1.00 0.56 0.79 1.00 1.00 0.58 0.81 1.0012.26 12.25 12.25 13.72 13.69 13.67 13.67 15.29 15.26 148148170157151

CFMMBh†S/T‡1225 AMPS*HI PRLO PRMBh†S/T‡1400 AMPS*HI PRLO PRMBh†S/T‡1575 AMPS*HI PRLO 616438.490.5719.43477166Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.†† At TVA rating indoor condition (75 F db, 63 F wb), all other indoor air temperatures are at 80 F dbIf additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur. System amps are total of indoor and outdoor amps.‡Chart data is for 80 F indoor dry bulb. For indoor db temperatures other than 80 F, measure Indoor db and Indoor CFM, and plug these into theformula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)Sensible Capacity at Indoor db LOWER than 80 F ( MBh x S/T ) 421 04 6001 00Sensible Capacity at Indoor db HIGHER than 80 F ( MBh x S/T ) (())( 80 Indoor db ) x 835 x Indoor CFM1000( Indoor db 80 ) x 835 x Indoor 13833.241.0019.0746914334.071.0019.36470148Split System Air Conditioner: R4A3, 5547.940.5213.15280158115TECHNICAL SUPPORT MANUAL87542 Size Outdoor With ED*4X42J** Indoor CoolingOutdoor Ambient Temperature Degrees F, Dry Bulb8595105Entering Indoor Temperature Degrees F, Wet Bulb6762577267625772676240.97 37.65 36.91 42.56 38.98 35.87 35.44 40.30 36.89 34.030.67 0.87 1.00 0.51 0.69 0.89 1.00 0.52 0.71 0.9213.83 13.77 13.76 15.39 15.32 15.27 15.26 17.05 16.99 13213015914513441.57 38.46 38.29 43.09 39.50 36.65 36.71 40.75 37.35 35.040.70 0.91 1.00 0.52 0.72 1.00 1.00 0.53 0.74 1.0014.12 14.07 14.06 15.68 15.61 15.56 15.56 17.34 17.27 13613616114813942.02 39.39 39.40 43.48 39.90 37.73 37.74 41.08 37.70 35.970.74 1.00 1.00 0.54 0.75 1.00 1.00 0.55 0.78 1.0014.41 14.36 14.36 15.97 15.90 15.86 15.86 17.62 17.56 141141164151144

CFMMBh†S/T‡1400 AMPS*HI PRLO PRMBh†S/T‡1600 AMPS*HI PRLO PRMBh†S/T‡1800 AMPS*HI PRLO 416645.210.5922.66505168Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.†† At TVA rating indoor condition (75 F db, 63 F wb), all other indoor air temperatures are at 80 F dbIf additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur. System amps are total of indoor and outdoor amps.‡Chart data is for 80 F indoor dry bulb. For indoor db temperatures other than 80 F, measure Indoor db and Indoor CFM, and plug these into theformula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)Sensible Capacity at Indoor db LOWER than 80 F ( MBh x S/T ) Sensible Capacity at Indoor db HIGHER than 80 F ( MBh x S/T ) (())( 80 Indoor db

Split System Air Conditioner R4A3, WCA3**4 DANGER, WARNING, CAUTION, and NOTE The signal words DANGER, WARNING, CAU-TION, and NOTE are used to identify levels of haz-ard seriousness. The signal word DANGER is only used on product labels to signify an immediate haz-ard. The signal words WARN