Install and Operating Manual User guide

LAARS Heating Systems
Page 32
GAS TYPE CO
2
(%) RANGE
MANIFOLD
PRESSURE (inH20)
Natural 8.8
__
9.8 3.5
__
4.5
Propane 9.8
__
10.8 3.5
__
4.5
Table 13. CO
2
Range and Pressure Settings.
Figure 25. Adjustment Screws and Settings for CO
2
Manifold
Pressure
Screw
(under cap)
High-re
setting
Propane
Gas Orice
O-Ring
Gas Supply Line
Low-re
setting
Note: High and
Low Fire
CO
2
settings
should be
approximately
equal.