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Number of 90° Elbows
Weather Hood Type
Recommended Use Only for Short Run Installations
D673I_SVG
1
1
1. 4 in. [102 mm]
D802I_SVG
1
1. 2.5 in. [64 mm]
Maximum length of 4 in. [102 mm] diameter rigid metal duct.
0 65 feet [19.8 m] 55 feet [16.8 m]
1 55 feet [16.8 m] 47 feet [14.3 m]
2 47 feet [14.3 m] 41 feet [12.5 m]
3 36 feet [11.0 m] 30 feet [9.1 m]
4 28 feet [8.5 m] 22 feet [6.7 m]
Table 2
NOTE: Deduct 6 feet [1.8 m] for each additional elbow.
NOTE: The maximum length of a 4 in. [102 mm] diame-
ter flexible metal duct must not exceed 7.87 ft. [2.4 m],
as required to meet UL2158, clause 7.3.2.A.
Multi-Dryer Installation Exhaust Requirements
Figure 5 shows a typical example of a multiple dryer installation.
Note how each dryer has its own exhaust system vented to the
central exhaust duct.
Installation
©
Copyright, Alliance Laundry Systems LLC -
DO NOT COPY or TRANSMIT
16 Part No. D514761ENR4
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