Table of Contents
Advertisement
Table 5 – 38AUZ 07-08 50Hz Piping Recommendations (Single-Circuit Unit)
R ---410A
Equivalent Length
meter
feet
Linear Length
meter
feet
Model
38AUZ*07
Liquid Line
Max Lift
SI (m)
Novation
RTPF
EN (ft)
Novation
RTPF
Suction Line
Charge
SI (kg)
Novation
RTPF
EN (lbs)
Novation
RTPF
38AUZ*08
Liquid Line
Max Lift
SI (m)
Novation
RTPF
EN (ft)
Novation
RTPF
Suction Line
Charge
SI (kg)
Novation
RTPF
EN (lbs)
Novation
RTPF
Legend:
Equivalent
Equivalent tubing length, including effects of refrigeration specialties devices
Length
Linear Length
Linear tubing length, feet
Liquid Line
Tubing size, inches OD.
Max Lift
Maximum liquid lift (indoor unit ABOVE outdoor unit only), at maximum permitted liquid line pressure drop
S Linear Length Less than 30 m (100 ft): Minimum 1.1° C (2.0° F) subcooling entering TXV
S Linear Length Greater than 30 m (100 ft): Minimum 0.3° C (0.5° F) subcooling entering TXV
Suction Line
Tube size, inches OD
Charge
Charge Quantity, lbs. Calculated for both liquid line sizes (where applicable), but only with larger suction line size
(where applicable)
DNU
Do Not Use (pressure drop exceeds available subcooling in this model)
NR
Not Recommended (use smaller liquid tube size)
SI
Metric units of measure
EN
English units of measure (I---P)
NOTE:
For applications with equivalent length greater than 57 m (188 ft) and/or linear length greater than 38 m (125 ft),
contact your local Carrier representative.
0--- 12
12--- 23
0--- 38
38--- 75
0--- 7.5
7.5--- 15
0--- 25
25--- 50
3
3
1
/
/
/
8
8
2
7.5
15
7.5
15
25
50
25
50
7
7
7
/
/
/
8
8
8
3.8
4.4
6.4
7.0
8.4
9.8
14.0
15.4
1
1
5
/
/
/
2
2
8
7.5
9
11
7.5
15
NR
25
30
38
25
50
NR
7
7
/
/
8
8
5.5
6.3
7.2
8.6
9.4
NR
12.2
13.9
15.8
19.0
20.7
NR
12
23--- 34
34--- 46
75--- 113
113--- 150
15--- 23
23--- 30
50--- 75
75--- 100
3
1
3
1
/
/
/
/
8
2
8
2
16
23
9
29
19
23
12
30
53
75
34
97
63
75
42
100
7
7
/
/
8
8
4.9
5.9
5.4
6.8
7.4
8.5
7.9
9.3
10.8
13.1
11.8
14.9
16.4
18.7
17.4
20.5
1
5
1
5
/
/
/
/
2
8
2
8
7
10
DNU
10
23
NR
27
30
24
36
DNU
35
75
NR
89
100
1
1
1---
/
1---
/
8
8
7.4
8.6
DNU
9.9
10.4
NR
11.3
13.0
16.2
19.0
DNU
21.9
23.0
NR
24.9
28.7
46--- 57
150--- 188
30--- 38
100--- 125
3
1
/
/
8
2
10
34
11
38
33
112
38
125
1
1---
/
8
6.1
7.9
8.7
10.4
13.5
17.4
19.1
23.0
1
5
/
/
2
8
10
16
18
38
33
53
62
125
1
1---
/
8
9.1
11.2
12.2
14.3
20.0
24.8
26.8
31.6
Hide quick links:
Advertisement
Table of Contents
