Chapter 4 — CFC Commissioning
4-20 Part No. 750-263
The High Limit setting is considered a safety parameter. Any
changes made will require a password login and reset of the CB
Falcon.
J. POST START-UP CHECKOUT PROCEDURE
1. Ensure proper air venting to expansion tank.
2. Set high gas pressure switch to 50% higher than operating gas
pressure at low fire. Set low gas pressure switch to 50% lower
than operating gas pressure at low fire.
3. Check the draft on the outlet stack on each boiler, compare to
acceptable limits (-.25 to +.25“ W.C.) and record in start up
form. Operating outside of acceptable limits could result in light
off and flame failure problems.
4. Switch to automatic operation and monitor flue gas to ensure
consistent excess air.
5. Reassemble all panels and covers that were removed and
replace any plugs that were removed to check gas pressure.
6. Verify HAPS switch operation by simulating a blocked flue
condition.
7. Verify gas pressures remain within limits shown in Table 4-3.
8. Provide instructions to owner and operators on operation, safety
and maintenance of the equipment.
9. Provide instructions to owner and operators on proper water
treatment guidelines and procedures.
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