RBI LCD Series Installation & Operation Manual page 7

LCD INSTALLATION AND OPERATION INSTRUCTIONS Page 7
Figure 4 - Horizontal Combustion Air and Venting Figure 4 - Horizontal Combustion Air and Venting for a
Single Unit
4 FT
1.2 m
1/4 IN. PER FOOT
20 mm/m
3 FT 0.9 m
16 FT 4.9 m
5 FT 1.5 m
5 FT 1.5 m
1.5 FT 0.5 m
When running horizontal combustion air and venting for single or multiple units, exhaust and combustion air terminals
must be installed on the same plane (outside wall) in order to prevent pressure differences due to prevailing winds.
In cold climates, double-wall or insulated inlet pipe recommended to prevent condensation.
Figure 5 - Horizontal Combustion Air and Venting for Multiple Units