421 65 6001 00 March 2010 Specifications subject to change without notice. E N V I R O N M E N T A L L Y S O U N D R E F R I G E R A N T EFFICIENT 13 SEER AIR CONDITIONER ENVIRONMENTALLY SOUND R−410A REFRIGERANT 1½ THRU 5 TONS SPLIT SYSTEM 208 / 230 Volt, 1−phase, 60 Hz REFRIGERATION CIRCUIT S Scroll compressors on all models S Copper tube / aluminum fin coil EASY TO INSTALL AND SERVICE S Easy Access service valves on all models S External high and low refrigerant service ports S Only two screws to access control panel S Factory charged with R−410A refrigerant BUILT TO LAST S Pre−painted cabinet finish over galvanized steel S Coated inlet grille with 2” (51mm) spacing standard, alternate models available with a” (10mm) grille spacing for extra protection WARRANTY* S 5 year compressor limited warranty S 5 year parts limited warranty (including compressor and coil) − With timely registration, an additional 5 year parts limited warranty (including compressor and coil) * Applies to original purchaser/homeowner, some limitations may apply. See Warranty certificate for complete details. Use of the AHRI Certified TM Mark indicates a manufacturer’s participation in the program. For verification of certification for individual products, go to www.ahridirectory.org . Model Number Size (tons) Nominal BTU/hr Min. Circuit Ampacity Max. Fuse or Breaker Operating Dimensions height x width x depth in. (mm) Ship / Operating Weight lbs.(kg) R4A318AKA 1½ 18,000 11.7 20 24m x 238 x 238 (630 x 587 x 587) 120 / 104 (54 / 47) 18GKA same model with a” spacing inlet grille 124 / 108 (56 / 49) R4A324AKA 2 24,000 17.6 30 24m x 238 x 238 (630 x 587 x 587) 123 / 107 (56 / 49) 24GKA same model with a” spacing inlet grille 127 / 111 (58 / 50) R4A330AKA 2½ 30,000 16.8 25 28v x 238 x 238 (722 x 587 x 587) 126 / 110 (57 / 50) 30GKA same model with a” spacing inlet grille 130 / 114 (59 / 52) R4A336AKB 3 36,000 23.0 30 35x x 238 x 238 (894 x 587 x 587) 139 / 122 (63 / 55) 36GKB same model with a” spacing inlet grille 144 / 127 (65 / 58) R4A342AKB 3½ 42,000 28.4 40 31m x 31x x 31x (808 x 792 x 792) 187 / 164 (85 / 74) 42GKB same model with a” spacing inlet grille 195 / 172 (88 / 78) R4A348AKB 4 48,000 27.0 40 35x x 31x x 31x (894 x 792 x 792) 197 / 173 (89 / 78) 48GKB same model with a” spacing inlet grille 206 / 181 (93 / 82) R4A360AKB 5 60,000 35.9 50 28v x 31x x 31x (722 x 792 x 792) 216 / 190 (98 / 86) 60GKB same model with a” spacing inlet grille 224 / 198 (102 / 90) R4A3 Product Specifications
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EFFICIENT 13 SEER AIR CONDITIONER Product Specifications
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421 65 6001 00 March 2010Specifications subject to change without notice.
ENVIRONM
ENTA
LLY S
OU
ND R
EFRIG
ERANT
EFFICIENT 13 SEER AIR CONDITIONERENVIRONMENTALLY SOUND R−410A REFRIGERANT1½ THRU 5 TONS SPLIT SYSTEM208 / 230 Volt, 1−phase, 60 Hz
REFRIGERATION CIRCUIT� Scroll compressors on all models� Copper tube / aluminum fin coil
EASY TO INSTALL AND SERVICE� Easy Access service valves on all models� External high and low refrigerant service ports� Only two screws to access control panel� Factory charged with R−410A refrigerant
BUILT TO LAST� Pre−painted cabinet finish over galvanized steel� Coated inlet grille with 2” (51mm) spacing standard,
alternate models available with a” (10mm) grille spacingfor extra protection
WARRANTY*� 5 year compressor limited warranty� 5 year parts limited warranty (including compressor
and coil)− With timely registration, an additional 5 year parts
limited warranty (including compressor and coil)* Applies to original purchaser/homeowner, some
limitations may apply. See Warranty certificate forcomplete details.
Use of the AHRI Certified TM Mark indicates amanufacturer’s participation in the program. Forverification of certification for individual products,go to www.ahridirectory.org .
ModelNumber
Size(tons)
NominalBTU/hr
Min. CircuitAmpacity
Max. Fuseor Breaker
Operating Dimensionsheight x width x depth in. (mm)
Ship / OperatingWeight lbs.(kg)
R4A318AKA 1½ 18,000 11.7 20 24m x 238 x 238
(630 x 587 x 587)120 / 104 (54 / 47)
18GKA same model with a” spacing inlet grille 124 / 108 (56 / 49)
R4A324AKA 2 24,000 17.6 30 24m x 238 x 238
(630 x 587 x 587)123 / 107 (56 / 49)
24GKA same model with a” spacing inlet grille 127 / 111 (58 / 50)
R4A330AKA 2½ 30,000 16.8 25 28v x 238 x 238
(722 x 587 x 587)126 / 110 (57 / 50)
30GKA same model with a” spacing inlet grille 130 / 114 (59 / 52)
R4A336AKB 3 36,000 23.0 30 35x x 238 x 238
(894 x 587 x 587)139 / 122 (63 / 55)
36GKB same model with a” spacing inlet grille 144 / 127 (65 / 58)
R4A342AKB 3½ 42,000 28.4 40 31m x 31x x 31x
(808 x 792 x 792)187 / 164 (85 / 74)
42GKB same model with a” spacing inlet grille 195 / 172 (88 / 78)
R4A348AKB 4 48,000 27.0 40 35x x 31x x 31x
(894 x 792 x 792)197 / 173 (89 / 78)
48GKB same model with a” spacing inlet grille 206 / 181 (93 / 82)
R4A360AKB 5 60,000 35.9 50 28v x 31x x 31x
(722 x 792 x 792)216 / 190 (98 / 86)
60GKB same model with a” spacing inlet grille 224 / 198 (102 / 90)
* Recommended Vapor Tube Line size is for standard installations. These recommendations may not apply to“Long Line” installations. When the total equivalent line length exceeds 80 feet (24.4m) or there is more than 20feet (6.1m) vertical separation between indoor and outdoor units, consult the Long Line Application Guidelinedocument before purchasing/installing line sets.
* Applications are considered “Long Line” if the total equivalent tubing length exceeds 80 feet (24.4m) or there is morethan 20 foot (6.1m) vertical separation between indoor and outdoor units. These applications require additionalaccessories and system modifications for reliable system operation.
Applications in shaded area may have height restrictions that limit allowable total equivalent length when outdoor unitis below indoor unit.
ACCESSORY USAGE GUIDELINES
AccessoryREQUIRED FOR
LOW−AMBIENT APPLICATIONS{Below 55°F (13°C)}
REQUIRED FORLONG−LINE APPLICATIONS*
{Over 80 Ft.(24.4m)}
Crankcase Heater Yes YesEvaporator Freeze Thermostat Yes No
Winter Start Control Yes ** No
Hard Start Kit (Capacitor & Relay) Yes YesLow Ambient Kit (Pressure Switch) Yes No
Support Feet, 4” (102mm) tall Recommended No
Liquid Line Solenoid Valve No See Long−Line Application Guideline
* For Line Set lengths between 80 and 200 ft (24.4 and 61m) horizontal, or more than 20 ft (6.1m)indoor−outdoor vertical separation, refer to the Long Line Application Guideline document.
** Can only be installed in conjunction with Low Pressure Switch.
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
6 421 65 6001 00Specifications subject to change without notice.
ACCESSORIES
Part Number Description Used OnModel Size
NASA003CH Crankcase Heater for Compressor 18, 24, 30
NASA001CH Crankcase Heater for Compressor 36, 42, 48, 60
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
421 65 6001 00 7Specifications subject to change without notice.
COOLING PERFORMANCE FOR COMBINATION RATINGSIndoor Models
For complete ratings information, use the AHRI website directory search: www.AHRIdirectory.org.New ratings may be listed online before Specification Sheets are updated.
2009 ENERGY STAR compliance for combinations with both: SEER 14.50 or higher and EER 12.00 or higher.� For coils not listed with a matching furnace or blower, coil rating applies with any indoor blower device.
− continued on next page −
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
8 421 65 6001 00Specifications subject to change without notice.
COOLING PERFORMANCE FOR COMBINATION RATINGSIndoor Models
For complete ratings information, use the AHRI website directory search: www.AHRIdirectory.org.New ratings may be listed online before Specification Sheets are updated.
2009 ENERGY STAR compliance for combinations with both: SEER 14.50 or higher and EER 12.00 or higher.� For coils not listed with a matching furnace or blower, coil rating applies with any indoor blower device.
− continued on next page −
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
421 65 6001 00 9Specifications subject to change without notice.
COOLING PERFORMANCE FOR COMBINATION RATINGSIndoor Models
For complete ratings information, use the AHRI website directory search: www.AHRIdirectory.org.New ratings may be listed online before Specification Sheets are updated.
2009 ENERGY STAR compliance for combinations with both: SEER 14.50 or higher and EER 12.00 or higher.� For coils not listed with a matching furnace or blower, coil rating applies with any indoor blower device.
− continued on next page −
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
10 421 65 6001 00Specifications subject to change without notice.
COOLING PERFORMANCE FOR COMBINATION RATINGSIndoor Models
For complete ratings information, use the AHRI website directory search: www.AHRIdirectory.org.New ratings may be listed online before Specification Sheets are updated.
2009 ENERGY STAR compliance for combinations with both: SEER 14.50 or higher and EER 12.00 or higher.� For coils not listed with a matching furnace or blower, coil rating applies with any indoor blower device.
− continued on next page −
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
421 65 6001 00 11Specifications subject to change without notice.
COOLING PERFORMANCE FOR COMBINATION RATINGSIndoor Models
For complete ratings information, use the AHRI website directory search: www.AHRIdirectory.org.New ratings may be listed online before Specification Sheets are updated.
2009 ENERGY STAR compliance for combinations with both: SEER 14.50 or higher and EER 12.00 or higher.� For coils not listed with a matching furnace or blower, coil rating applies with any indoor blower device.
− continued on next page −
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
12 421 65 6001 00Specifications subject to change without notice.
COOLING PERFORMANCE FOR COMBINATION RATINGSIndoor Models
For complete ratings information, use the AHRI website directory search: www.AHRIdirectory.org.New ratings may be listed online before Specification Sheets are updated.
2009 ENERGY STAR compliance for combinations with both: SEER 14.50 or higher and EER 12.00 or higher.� For coils not listed with a matching furnace or blower, coil rating applies with any indoor blower device.
− continued on next page −
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
421 65 6001 00 13Specifications subject to change without notice.
COOLING PERFORMANCE FOR COMBINATION RATINGSIndoor Models
For complete ratings information, use the AHRI website directory search: www.AHRIdirectory.org.New ratings may be listed online before Specification Sheets are updated.
2009 ENERGY STAR compliance for combinations with both: SEER 14.50 or higher and EER 12.00 or higher.� For coils not listed with a matching furnace or blower, coil rating applies with any indoor blower device.
− continued on next page −
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
14 421 65 6001 00Specifications subject to change without notice.
COOLING PERFORMANCE FOR COMBINATION RATINGSIndoor Models
For complete ratings information, use the AHRI website directory search: www.AHRIdirectory.org.New ratings may be listed online before Specification Sheets are updated.
2009 ENERGY STAR compliance for combinations with both: SEER 14.50 or higher and EER 12.00 or higher.� For coils not listed with a matching furnace or blower, coil rating applies with any indoor blower device.
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A3
421 65 6001 00 15Specifications subject to change without notice.
OUTDOOR UNIT MODEL NUMBER IDENTIFICATION GUIDE (single phase)Digit Position: 1 2 3 4 5, 6 7 8 9 10 11 12
Example Part Number: R 4 A 3 18 A K A 1 0 0Product Family