EngA ENGINEERED AIR base - Small SH (3:1) Series

base A
45
IOM74 November 2020 R105
Small SH (3:1) Series
This style equipment uses hot surface ignition with constant combustion air. Combustion setup is for high and
low fire only.
Caution:

High fire gas and air offsets should be set to zero. Use the PacMan to set air and the appliance
regulator to set gas.
Serial and Tag# Date
Model # Technician
Job Name Location
Sequence
1
2
Name High Fire Low Fire
% Fire 100 33.3
Man. Press.
Oxygen - O
2
CO
Gas mA
Factory Clocking
Clocking
Calculated
Clock Ratio 1.0 3.0
Setup
Comments: