ANNUAL TUNE UP & INSPECTION
2
1
Ignitor Electrode
Flame Sense Rod
Tip should be set
Tip should extend
back 1/16" from
in front of diffuser
the inside surface
by 1-1/4".
of diffuser.
Diffuser Plate
Note: All burners require
"Amulet" retention head
protector.
Please refer to installation manual and burner manual for complete details and for burners other than EZ-Gas.
Step 1 Initial Test (Draft Test & CO
Air box cover must be in place before testing.
1
Remove 1/8" brass plug flue box test port (1) next to the puff
1.
switch. Check draft through the flue box (1) using 12" long
2
piece of ¼" O.D. steel or copper tubing inserted approximately
8" into the boiler. Connect this tube to your test probe using a
piece of hose.
Draft must be negative.
through the over fire test port (2). Insert the 12"
2.
Check
CO
2
long steel or copper tube approximately 8" in through the test
port.
LPG Target CO
NAT. Target CO
Step 2 Open Front Cover
Turn off power to system and close main manual gas valve when servicing.
1.
Loosen, but DO NOT REMOVE (2) lower nylock nuts on hinge bolts.
2.
Remove (3) upper nuts and support cover while opening.
Step 3 Inspect Flue Passage and Vent System
If passage is clean, no scale, then proceed to step 5.
Clean ONLY if dirty.
Check vent system joints for proper connections, including flexible coupling clamps and condensate
drain.
Step 4 Clean Boiler
Note: If there is evidence of condensing in last pass:
If cold returns:
Verify Display Manager Option Switch 1 to "ON".
1.
2.
Open by-pass valve fully.
3.
If condensing persists, increase firing rate.
Step 5 Remove Drawer Assembly
(Refer to burner manual for detailed instructions on removal and for burners
other than EZ-Gas)
1.
Close the front cover and finger tighten a nut on the top center stud to
hold the cover closed while working on the burner. Do not tighten the rest
of the nuts at this time because you will need to open the cover up again
to check the drawer assembly to the diffuser plate.
2.
Check porcelain condition.
3.
Check and clean flame sense rod.
Step 6 Check Burner
(Refer to burner manual for complete details and for burners other than EZ-Gas)
1.
Check Fan/Air Inlet for dirt or lint.
2.
Install drawer assembly carefully lining up the ignitor electrode and flame sense rod.
Open the front cover and check, neither should be any closer to the diffuser plate than
1/16". Adjust if necessary.
3.
Check amulet for cracking or other physical damage. Replace if necessary.
(See amulet replacement section in installation manual).
4. Check burner diffuser plate. Some warping of plate is normal as long as it does not
interfere with the operation of the burner.
Annual Tune Up and
Inspection Resolute
Gas Boiler
)
2
: 10.4% Target O
: 5.0%
2
2
: 9.0% Target O
: 5.0%
2
2
™
RT
Electronic Analyzer
1 3/4"
1 3/8"
Drawer Assembly
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