N95ESN: Installation, Start-up, Operating and Service and Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
37
trap drain and the evaporator coil drain empty into an open segment of
pipe above the drain. See Fig.13. When using the External Vent Trap Kit,
refer to those instructions for proper drain connections.
The tee may also be connected to the intake air pipe on the side of the
casing. See Fig. 50.
In any configuration, it will be necessary to add the equivalent length of
the tee (15 feet/5 M) to the Total Equivalent Vent Length of the venting
system.
Table 12 – Maximum Equivalent Vent Length - Ft.
NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows.
Use Table 13 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application.
NOTES:
1. 40K Inducer Outlet Restrictor disk (P/N 1185623; 1.25-in. (32 mm) Dia.) shipped in the loose parts bag or available through FAST Parts required under 10-ft. (3 M)
TEVL in all orientations. Required for installations from 0 - 2000 ft. (0 to 610 M) above sea level. Failure to use an outlet restrictor may result in flame disturbances or flame sense
lock-out.
2. 26K (shipped in the loose parts bag) & 60K Inducer Outlet Restrictor disk (P/N 1185623; .25-in. (32 mm) Dia. available through FAST Parts) required for less than 5-ft.
(1.5 M) TEVL in downflow and horizontal orientations only. Required for installations from 0 - 2000 ft. (0 to 610 M) above sea level.
3. 120K & 140K Inducer Outlet Restrictor disk (P/N 11885891188589; 1.50-in. (38 mm) Dia. available through FAST Parts) required for less than 5-ft. (1.5 M) TEVL in
downflow and horizontal orientations only. Required for installations from 0 - 2000 ft. (0 to 610 M) above sea level.
A13110
NOTICE
!
ADDITIONAL INFORMATION FOR POLYPROPYLENE
VENTING SYSTEMS
Polypropylene venting systems include flexible vent pipe. These
flexible vent pipes have a different equivalent vent length than straight
sections of PVC/ABS DWV vent pipe. Be sure to make the appropriate
deductions from the Maximum Equivalent Vent Length (MEVL), or
additions to the Total Equivalent Vent Length (TEVL), when applying
flexible vent pipes in polypropylene venting systems. See the
polypropylene vent system manufacturer’s installation instructions for
details.
When using metric-sized venting systems, use these equivalencies for
obtaining the proper MEVL from the Tables:
Use 2” Vent Tables for 60 mm (o.d.) vent systems
Use 3” Vent Tables for 80 mm (o.d.) vent systems
Use 4” Vent Tables for 100 mm (o.d.) vent systems
Unit Size 26,000
2
40,000
1
60,000
2
80,000 100,000 120,000
3
140,000
3
Altitude
(feet)
Pipe Dia.
(in)
1 ½ 2 1 ½ 2 2 ½ 1 ½ 2 2 ½ 3 1 ½ 2 2 ½ 3 4 2 2 ½ 3 4 2 ½ 3 4 2 ½ 3 4
0-2000 70 200 40 155 185
20
100 175 200 15 55 130 175 200 20 80 175 200
10
75 185 5 65 155
2001-3000 65 190 35 150 175 95 165 185
10
49
125 165 185
15 75
165 185 70 175
N/A
60
140
3001-4000 60 175 30 135 160 16 90 155 175 115 155 175
155
175 5 65 165 120
4001-4500
55 160 25
130 155
15
85 150 170
44 110
150 165
10
70 170
N/A
60
160
50 110
4501-5000 125 145 80 145 165 145 160
65
150 165 45 100
5001-6000 50 145 20 120 130 75 140 155 41 100 135 150 140 155 155 35 80
6001-7000 45 135 15 110 120 13 70 130 145
N/A
38
90
125 140 60 135 145 50 140 30 65
7001-8000 40 120
10
100 110 10 65 120 135 36 120 125
N/A
55 125 135 46 130 25 45
8001-9000 35 110 90 95 5 60 115 125 33 80 110 115 50 115 125 43 120 15 30
9001-10000 30 95 5 80 85 N/A 55 105 115 30 75 100 105 45 100 115 39 115 10 15
Maximum Equivalent Vent Length - Meters
Unit Size 26,000
2
40,000
1
60,000
2
80,000 100,000 120,000
3
140,000
3
Altitude
(meters)
Pipe Dia.
(mm)
38 51 38 51 64 38 51 64 76 38 51 64 76 102 51 64 76 102 64 76 102 64 76 102
0-610 21.3 60.9 12.1 47.2 56.3
6.0
30.4 53.3 60.9 4.5 16.7 39.6 53.3 60.9 6.0 24.3 53.3 60.9
3.0
22.8 56.3 1.5 19.8 47.2
611-914 19.8 57.9 10.6 45.7 53.3 28.9 50.2 56.3
3.0
14.9
38.1 50.2 56.3
4.5 22.8
50.2 56.3 21.3 53.3
NA
18.2
42.6
915-1219 18.2 53.3 9.1 41.1 48.7 4.8 27.4 47.2 53.3 35.0 47.2 53.3
47.2
53.3 1.5 19.8 50.2 36.5
1220-1370
16.7 48.7 7.6
39.6 47.2
4.5
25.9 45.7 51.8
13.4 33.5
45.7 50.2
3.0
21.3 51.8
NA
18.2
48.7
15.2 33.5
1371-1524 38.1 44.1 24.3 44.1 50.2 44.1 48.7
19.8
45.7 50.2 13.7 30.4
1525-1829
15.2 44.1 6.0 36.5 39.6 22.8 42.6 47.2 12.4 30.4 41.1 45.7 42.6 47.2 47.2 10.6 24.3
1830-2134 13.7 41.1 4.5 33.5 36.5 3.9 21.3 39.6 44.1
NA
11.5
27.4
38.1 42.6 18.2 41.1 44.1 15.2 42.6 9.1 19.8
2135-2438 12.1 36.5
3.0
30.4 33.5 3.0 19.8 36.5 41.1 10.9 36.5 38.1
NA
16.7 38.1 41.1 14.0 39.6 7.6 13.7
2439-2743 10.6 33.5 27.4 28.9 1.5 18.2 35.0 38.1 10.0 24.3 33.5 35.0 15.2 35.0 38.1 13.1 36.5 4.5 9.1
2744-3048 9.1 28.9 1.5 24.3 25.9 NA 16.7 32.0 35.0 9.1 22.8 30.4 32.0 13.7 30.4 35.0 11.8 35.0 3.0 4.5
Long
Medium
Mitered
Concentric
Standard 2-in., 3-in., or
optional 4-in. termination.
ELBOW CONFIGURATIONS
VENT TERMINAL CONFIGURATIONS
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