Carrier 58MCB Nstallation, Start-Up, And Operating Instructions page 41

ALTITUDE UNIT SIZE
FT (M) (BTUH)
40,000
60,000
80,000
7001 to 8000‡
(2134 to 2438)
100,000
120,000
140,000
ALTITUDE UNIT SIZE
(BTUH)
FT (M)
40,000
60,000
80,000
8001 to 9000‡
(2438 to 2743)
100,000
120,000
140,000
See notes at end of table.
Table 11—Maximum Allowable Pipe Length - - Ft (M) (Continued)
DIRECT VENT (2-PIPE) ONLY
TERMINATION PIPE DIA
TYPE IN. (mm)*
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
2 (51)
2 Pipe or 2-in
Concentric
2-1/2 (64)
2-1/2 (64)
2 Pipe or 3-in
Concentric
3 (76)
3 (76)† no disk
2 Pipe or 3-in.
NA
Concentric
4 (102)† no
disk
DIRECT VENT (2-PIPE) ONLY
TERMINATION PIPE DIA
TYPE IN. (mm)*
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
1-1/2 (38)
2 Pipe or 2-in
Concentric
2 (51)
2 (51)
2 Pipe or 2-in
Concentric
2-1/2 (64)
2-1/2 (64)
2 Pipe or 3-in
Concentric
3 (76)
3 (76)† no disk
2 Pipe or 3-in.
NA
Concentric
4 (102)† no
disk
NON-DIRECT
VENT (1-PIPE) NUMBER OF 90° ELBOWS
ONLY
PIPE DIA
1 2
IN. (mm)*
49 44
1-1/2 (38)
(14.9) (13.4)
66 65
2 (51)
(20.1) (19.8)
12 7
1-1/2 (38)
(3.7) (2.1)
53 48
2 (51)
(16.2) (14.6)
36 31
2 (51)
(11.0) (9.4)
66 65
2-1/2 (64)
(20.1) (19.8)
25 17
2-1/2 (64)
(7.6) (5.2)
63 58
3 (76)
(19.2) (17.7)
20 13
NA
(6.1) (4.0)
46 44
3 (76)†
(14.0) (13.4)
61 56
4 (102)† no disk
(18.6) (17.1)
NA
NON-DIRECT
VENT (1-PIPE) NUMBER OF 90° ELBOWS
ONLY
PIPE DIA
1 2
IN. (mm)*
46 41
1-1/2 (38)
(14.0) (12.5)
62 60
2 (51)
(18.9) (18.3)
11 6
1-1/2 (38)
(3.4) (1.8)
49 44
2 (51)
(14.9) (13.4)
33 28
2 (51)
(10.1) (8.5)
62 60
2-1/2 (64)
(18.9) (18.3)
23 15
2-1/2 (64)
(7.0) (4.6)
59 54
3 (76)
(18.0) (16.5)
10
NA NA
(3.0)
43 41
3 (76)†
(13.1) (12.5)
35 30
4† no disk
(10.7) (9.1)
NA
- - 41 - -
3 4 5 6
39 34 33 28
(11.9) (10.4) (10.1) (6.5)
63 62 60 59
(19.2) (18.9) (18.3) (18.0)
NA NA NA NA
46 41 40 38
(14.0) (12.5) (12.2) (11.6)
19 14 12
NA
(5.8) (4.3) (3.7)
63 62 60 59
(19.2) (18.9) (18.3) (18.0)
8 7
NA NA
(2.4) (2.1)
53 48 43 38
(16.2) (14.6) (13.1) (11.6)
7
NA NA NA
(2.1)
43 41 40 38
(13.1) (12.5) (12.2) (11.6)
51 46 41 36
(15.5) (14.0) (12.5) (11.0)
3 4 5 6
36 31 29 24
(11.0) (9.4) (8.8) (7.3)
58 56 55 53
(17.7) (17.1) (16.8) (16.2)
NA NA NA NA
42 37 35 34
(12.8) (11.3) (10.7) (10.4)
17 12 10
NA
(5.2) (3.7) (3.0)
58 56 55 53
(17.7) (17.1) (16.8) (16.2)
7 5
NA NA
(2.1) (1.5)
49 44 39 34
(14.9) (13.4) (11.9) (10.4)
NA NA NA NA
39 37 35 34
(11.9) (11.3) (10.7) (10.4)
25 20 15 10
(7.6) (6.1) (4.6) (3.0)