Section 4 — CFC Commissioning
Part No. 750-263 4-27
7. Access boiler control Configuration menu. Press <Login>.
Enter service level password: 9220. Press <OK>.
8. Select Modulation configuration. Adjust CH and DHW maximum
modulation rates according to Table 4 - 1. Adjust minimum
modulation rate according to Tabl e 4-1 . Return to Configuration
menu.
9. Select Burner Control Ignition configuration. Adjust ignition, or
lightoff, rate according to Ta b l e 4-1 . A warning will appear
noting that you are changing a safety parameter. After changing
the speed, return to Configuration menu.
10. Press <Verify> to check safety parameter change(s). Press
<Begin> and check that all changes are correct. Press <Yes>
if correct. If incorrect press <No> and return to appropriate
parameter configuration menu to correct. After all safety
parameter changes are checked, the controller requires a
manual reset. Open the panel and reset the control.
11. Follow normal startup and commissioning procedures in this
manual beginning with Section I - Initial Startup Procedure.
Proper combustion settings for LP gas on ClearFire boilers are
between 6.5 - 7.5% O2.
Figure 4-11 Gas selector valve
Natural
Gas Train
Propane
Gas Train
NAT.
GAS
To Burner
LP
GAS
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