28

Installation (for qualified installers only)

Rear Vent Configuration with Vertical Termination

The termination must fall within the shaded area shown in the chart. Use the indicated restrictor and diffuser positions.

Up to four elbows (45° or 90°) may be used.

Only one horizontal elbow may be used.

0 feet

40' (max)

35feet

30feet

25feet

20feet

15feet

10feet

5feet

0feet

0 feet

5feet

10feet

15feet

Exhaust Restrictor # 6

Intake Restrictor # 2

Diffuser Position # 2

Exhaust Restrictor # 5

Intake Restrictor # 2

Diffuser Position # 2

5feet

10feet

15feet

20' (max)

40' (max)

35 feet

30 feet

25 feet

20 feet

15 feet

10 feet

5feet

0feet

20' (max)

H2

This is considered a horizontal

elbow (it does not matter whether it turns right or left).

It may be a 90° or 45° elbow.

H1

Horizontal length is calculated by adding both lengths of horizontal run (Horizontal Length = H1 + H2).

This is considered a vertical elbow

Travis Industries

4070201

100-01182_002

Page 28
Image 28
North Star 864 HH installation manual Rear Vent Configuration with Vertical Termination