ANNUAL TUNE UP & INSPECTION
Step 7 Check Burner
1. Check end cone through air tube opening with drawer assembly removed.
2. Check Fan/Air Inlet for dirt or lint.
3. Install drawer assembly and check ignitor.
4. Check Filter condition. Replace annually or if vacuum exceeds 7" for single
pipe systems.
5. Check flexible oil line for leaks or corrosion. Gently bend hose along its
length to check for hardening. Replace immediately if any of these
conditions are present.
Note: All burners require "Amulet" retention head protector.
Step 8 Check Zone Valves
Open/Close zone valves several times to see that they move
freely.
Step 9 Backflush Plate Heat Exchanger
1. Close the valve underneath the domestic hot water
circulator.
2. Open drain valve to backflush the heat exchanger.
3. If domestic water supply is "hard" (lime), consider installing
Scale Stopper (Item no. 10-0650).
4. Set temperature feeding hot water tank (above heat exchanger) by adjusting the
ball valve below the bronze circulator. Adjust the ball valve with the burner
running and a continuous flow of hot water from a fixture. You should just be able
to hold your hand on the pipe.
Step 10 Start Burner & Check Safety Functions.
Check & Record: Make sure air box cover is in place before testing.
1. Draft Loss: A difference of .04" or less between flue box (1) and "over fire" test
port (2).
Sidewall Vent: Draft over fire of -.10" to -.12"wc after 15 minutes of continuous
burner operation.
Chimney: Draft over fire should be slightly negative (at least -.02"wc).
2. Check CO
at "over fire" test port (2)
2
Max of 11% CO
Min of 10% CO
2
3. Smoke Test: Must be zero smoke. A trace is not acceptable.
4. Stack Temp: 350º-450º F. (at stack or flue box port)
5. Set Safety High Limit to 205º/215º F.
6. Test Safety High Limit operation:
A. Remove all heat and hot water calls (No input lights on left side of
manager).
B. Turn System switch off, then remove red sensor lead from the left side
quick connect.
C. Restore power. The 100
display, and the burner should start momentarily.
D. At approximately 205
burner.
7. Check safety lockout: Shut off fuel supply and operate burner to
verify safety lockout.
8. Sidewall Vent Only:
A. Remove power from the inducer. (Option switch 2 on a Digital Manager)
B. Start burner. Safety lockout should occur in approximately 1 minute.
C. Restore power to the inducer.
Oil Heat – Eighteenth Edition – June 2015
2
o
light will flash on the manager's temperature
o
o
F to 215
F, the high limit aquastat should shut off
29
1
2
Safety High Limit
205º/215º F
Smoke
test
fl
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