Specifications
PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A4
4 421 65 6240 06
Specifications subject to change without notice.
PHYSICAL DATA (1- phase)
Model Size 18 24 30 36 42 48 60
Nominal Cooling Capacity (BTU/hr) 18,000 24,000 30,000 36,000 42,000 48,000 60,000
Nominal SEER 14.0
Compressor Type Scroll
REFRIGERANT R- 410A
Charge - lb(kg) 3.2(1.44) 3.73(1.69) 5.67(2.57) 4.67(2.12) 7.90(3.58) 8.31(3.77) 9.39(4.26)
Required Subcooling ° F(° C) 16 (8.8) 10 (5.5) 12(6.6) 11 (6) 9(5) 11 (6) 13 (7.2)
COND FAN Propeller Type, Direct Drive
Air Discharge Vertical
Air Qty (CFM) 1600 1881 2614 3167 3700 3454 3700
Motor HP 1/12 1/12 1/10 1/5 1/4 1/4 1/4
Motor RPM 1100 1100 1100 1100 1110 1110 1100
COND COIL
Face Area (Sq ft) 8.4 9.9 17.24 12.9 21.6 15.1 17.25
Fins per In. 25 25 25 25 25 20 25
Rows 1 1 1 1 1 2 2
Circuits 3 4 4 5 7 6 8
VALVE CONNECT. (In. ID)
Vapor - in. (mm) 3/4 (19) 3/4 (19) 3/4 (19) 7/8 (22) 7/8 (22) 7/8 (22) 7/8 (22)
Liquid - in. (mm) 3/8 (10)
REFRIGERANT TUBES* (In. OD)
Vapor (0 - 80 Ft Tube Length) in. (mm) 3/4 (19) 3/4 (19) 3/4 (19) 7/8 (22) 7/8 (22) 7/8 (22) 1 1/8 (29)
Liquid (0 - 80 Ft Tube Length) in. (mm) 3/8 (10)
* Recommended Vapor Tube Line size is for standard installations. These recommendations may not apply to “Long
Line” installations. Consult the Long Line Application Guideline document before purchasing/installing line sets.
ELECTRICAL DATA (208/230- 1- 60, voltage range 197V - 253V)
Model Size 18 24 30 36 42 48 60
Minimum Circuit Ampacity -
MCA (amps)
11.7 14.1 16.8 18.1 22.3 20.8 27.5
Maximum OverCurrent
Protective device - MOCP (amps)
20 20 25 30 35 35 40
Compressor RLA (Rated Load Amps)
LRA (Locked Rotor Amps)
9
47.5
10.9
62.9
12.8
67.8
13.6
79.0
16.7
109.0
15.5
105.5
20.8
127.1
Fan Motor FLA (Full Load Amps) .40 .50 .75 1.10 1.40 1.40 1.52
A-Weighted Sound Power Level - Without Sound Jacket
Unit Size
Standard
Rating
(dBA)
TYPICAL OCTAVE BAND SPECTRUM (without tone adjustment)
125 250 500 1000 2000 4000 8000
18 75 45 53 57 62 60 53 48
24 72 46 57 60 64 61 56 50
30 73 50 56 63 64 61 58 54
36 75 51 61 65 67 63 60 53
42 73 49 58 63 64 59 56 50
48 76 53 61 64 66 62 60 51
60 75 54 57 63 64 62 58 51
Note: Tested in accordance with AHRI Standard 270-2008 (not listed in AHRI).
A-Weighted Sound Power Level - With Sound Jacket
Unit Size
Standard
Rating
(dBA)
TYPICAL OCTAVE BAND SPECTRUM (without tone adjustment)
125 250 500 1000 2000 4000 8000
18 75 45 53 58 62 61 55 49
24 73 47 59 61 64 61 55 48
30 72 49 57 62 63 60 57 52
36 75 51 62 65 66 62 60 52
42 72 50 58 62 63 58 55 47
48 73 55 61 64 63 60 57 48
60 73 54 59 63 63 60 56 48
Note: Tested in accordance with AHRI Standard 270-2008 (not listed in AHRI).
*A= 2” (51mm) spacing inlet grille or
G = 3/8” (10mm) spacing inlet grille.