19
Table 3 . Optional TXV kit part numbers. Some combinations may require a TXV. See AHRI
for system combination ratings.
Outdoor Unit Capacity (Tons)
R410a TXV Kit
1.5-3.0
4AYTXVH3G2436A
3.5-4.0
4AYTXVH3G4248A
5
4AYTXVH3G6000A
NOTE: Since the manufacturer has a policy of continuous product and product data improvement, if
the system combination you are looking for is not listed, check for the latest version of this
document at www.OXBOXHVAC.com.
Table 4.Superheat Charging Chart
95/79
90/75
85/71
80/67
75/63
70/58
115
23
16
7
6
5
5
110
24
17
9
6
5
5
105
26
19
11
6
5
5
100
27
21
13
7
6
5
95
29
23
14
9
6
5
90
30
25
18
12
7
5
85
32
26
20
15
9
6
80
34
28
22
17
11
6
75
35
30
24
19
13
7
70
37
32
26
21
16
10
65
38
34
29
24
19
13
60
40
36
31
27
22
17
55
41
37
34
30
26
21
Superheat (°F)
Indoor Temperature(°F) Dry Bulb/wet Bulb
Outdoor
Temp(°F)
Charge the system by superheat when using a piston. Reference the outdoor unit installation guide
to charge the system by subcooling when using a TXV.
Outdoor Unit Model
J4AC3042A1
J4AC4042A1
J4HP4042A1
J4AC3048A1
J4AC4048A1
J4HP4048A1
Piston Size(R410a)
0.075
0.075
0.075
0.083
0.083
0.083
Indoor Unit Model
J4AH4P42A1C00A
0.075 factory installed
J4AH4P48A1C00A
0.083 factory installed
J4AH4P60B1C00A
0.090 factory installed
J4AC3060A1
0.090
J4AC6048A1
0.083
