EngA ENGINEERED AIR base - HE Series

base A
46
IOM74 November 2020 R105
HE Series
Caution:

High fire gas offset should be set to zero. Use the appliance regulator to set.
Serial and Tag# Date
Model # Technician
Job Name Location
1. Set profile pressure drop to 0.7”wc by blocking the discharge. If unable, then evenly block off
inlet.
2. High Fire. Adjust inlet regulator to achieve correct clocking.
3. Observe high fire flame for burn quality.
4. Reduce to low fire and set flame length. Clocking not required. Note values below on factory
spreadsheet.
5. Finished combustion setup. Save values.
6. Shut down and restart heat to confirm good ignition.
7. Allow heating to run on automatic for a few minutes.
Sequence
1
2
Name High Fire Low Fire
Manifold
Pressure
Gas Offset
0
Gas mA/Vdc
FACTORY CLOCKING
Clocking
Calculated
Low fire is set on valve mechanical bypass. Only adjust offset if unable to achieve clocking with the bypass.
Setup Comments: