Step 2 Open Front Cover
1. Loosen, but
DO NOT REMOVE
(2) lower nylock nuts on hinge bolts.
2. Remove (4) upper nuts and support cover while opening.
3. Inspect burner head/end cone condition
Annual Tune Up and
Inspection 90+ Resolute
™
Oil Boiler
Please refer to owner and installation manual for complete details.
Step 4 Clean Boiler
Do Not Touch, Vacuum or Remove Chamber!
Note:
If there is
heavy scale
in last pass:
1. Check for cold returns.
2. Open by-pass valve fully.
3. Set Energy Manager Option Switch 1 to “ON”.
4. Check zone valve operation.
Step 1 Initial Test (Draft Loss & CO
2
)
Make sure air box cover is in place before testing
1. Remove 1/8” brass plug from the “over fire” test port (2) next to the burner and the flue
box (1) next to the puff switch. Check draft through the “over fire” test port (2) and at the
flue box (1). Use a 12” long piece of ¼” O.D. steel or copper tubing and insert it
approximately 8” into the boiler. Connect this tube to your test probe using a piece of
hose.
Clean boiler flue passage if the draft difference between the flue box (1) and “over fire”
test port (2) is greater than .06” w.c.
2.
Check CO
2
through the “over fire” test port (2). Insert the 12” long steel or copper tube
approximately 8” in through the test port.
Refer to the section ‘Burner Operation’ for acceptable combustion readings.
2
Step 5 Close Front Cover
1. Install (4) upper nuts and washers.
2. Tighten nuts (6) uniformly.
3. Check Vent Pipe.
4. Check Vent hood.
Step 3 Inspect Flue Passage
If passage is clean, no scale, then close cover and tighten all hardware evenly.
Clean ONLY if dirty.
DO NOT remove or touch combustion chamber for inspection or
when cleaning boiler!
1
3
4
5
6
1
2
Step 6 Remove Drawer Assembly
1. Check Electrode Setting.
2. Check Porcelain Condition.
3. Check Nozzle for coking/heat.
Replace nozzle if necessary.
See installation manual