Carrier 58MTB User Manual download pdf (Page 17)

58MTB

Combustion-air and vent piping for Direct Vent (2-Pipe)

and Non-Direct Vent (1-Pipe) Applications

MAXIMUM ALLOWABLE EXPOSED VENT PIPE LENGTH (FT) WITH AND WITHOUT INSULATION

IN WINTER DESIGN TEMPERATURE AMBIENT*

* Pipe length (ft) speciﬁed for maximum pipe lengths located in unconditioned spaces. Pipes located in unconditioned space cannot exceed total

allowable pipe length as speciﬁed in Table 6.

† Insulation thickness based on R value of 3.5 per inch.

UNIT

SIZE

WINTER DESIGN

TEMPERATURE

(°F)

MAX PIPE

DIAMETER

(IN.)

WITHOUT

INSULATION

WITH 3/8-IN. OR

THICKER INSULATION†

060

20 2 44 70

0 2 21 70

–20 2 20 57

080

20 2 55 55

0 2 30 55

–20 2 16 55

20 2.5 58 70

0 2.5 29 70

–20 2.5 14 67

100

20 2.5 40 40

0 2.5 38 40

–20 2.5 21 40

20 3 63 70

0 3 30 70

–20 3 12 70

120

20 3 70 70

0 3 38 70

–20 3 19 70

20 4 65 70

0 4 26 70

–20 4 5 65

1 ... 16 17 18 19 20 21 22

Product Data 1
THE PERFORMANCE™ 93 2
FEATURES/BENEFITS 2
Model number nomenclature 4
Physical data 5
Carrier accessories* 6
4 Zone Kit 7
Dimensions 8
C IN. DIA 9
B IN. DIA PVC 9
VENT/EXHAUST 9
060-16, 080-12, 080-16 10
080-20, 100-16, 100-20 10
120-20, 140-20 10
Performance data 11
Capacity 11
Clearance to combustibles 12
See notesat end of table 14
Electrical data 18
Typical installations 19
Guide Specifications 22

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Carrier 58MTB User Manual Page 17

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