22
Page
Two-Pipe, Direct-vent
sidewall Installation
Single Pipe
with Room-Air Intake
Installation
Installation Manual
Horizontal Installation with the 100187154 vent kit
Covering wall thicknesses
Part#
Termination
100187853
Wall Thimble
100187852
Termi Thimble
100187154
110U Indoor
310U Indoor
510U Indoor
(Upper bank of DIP switches)
Vent length
No. 6 : O N
No. 7 : O N
No. 8 : OFF
No. 3 : ON
No. 4 : ON
No. 5 : OFF
0 to 55 ft
(0 to 16.8 m)
OFF
ON 1 2 3 4 5 6 7 8 9 10
OFF
ON 1 2 3 4 5 6 7 8
For the Direct vent kit of 100187154, set the following DIP switch settings.
Outdoor Installation DIP switch settings
110U Outdoor
310U Outdoor
510U Outdoor
(Upper bank of DIP switches)
No. 6 : OFF
No. 7 : O N
No. 8 : OFF
No. 3 : OFF
No. 4 : O N
No. 5 : OFF
OFF
ON 1 2 3 4 5 6 7 8 9 10
OFF
ON 1 2 3 4 5 6 7 8
Outdoor installation
100187154 (Termi Thimble)
100187852
(Wall Thimble)
3 - 6"
100187853
(Termination)
2 - 5"
3 - 7"
*Backflow preventer (Recommended for freezing weather conditions: 36 °F (2 °C) and below.)
**Vertical condensation drain must be installed in accordance with local codes. It is
required to be installed in the vent-
ing system when there is more than 5 ft (1.5 m) of equivalent vent length, not including the sidewall termination. 90° elbow is
equivalent to 5 ft (1.5 m) of vent length.
Vertical
condensation
drain**
Vertical
condensation
drain**
Backflow
preventer*
Backflow
preventer*