Installation / Operation Instruction Manual

Page 72

8.I Combustion Setup

In this section, we will explain how to adjust the gas

valve so the unit will run e󰀩ciently at both the High Fire

and Low Fire conditions.

Required tools: Screwdrivers, Torx bits,

Allen Wrench Set, Combustion Analyzer

WARNING

Improper adjustment may lead to poor combustion

quality, increasing the amount of carbon monoxide

produced. Excess carbon monoxide levels may lead

to personal injury or death.

1. On the Gas Valve, locate the adjustments for High

Fire, and Low Fire. See Figure 45 on page 74

thru Figure 47 on page 76.

Refer to Table 18 on page 74 and Table 19 on

page 75 for appropriate CO2 ranges.

2. Press the Control Icon at the center of the Home

Screen.

Menu 23. ‘Home’ screen

3. The system will present the Status Summary

screen.

Menu 24. Status Summary Screen

4. Press the ‘Diagnostics’ button in the lower right

corner.

Menu 25. I/O Status Menu

Menu 26. Modulation Test Menu

5. Press the ‘Diagnostics Test’ button.

6. Make sure you are logged in and the padlock

symbol is unlocked.

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