Install Instructions
59
APPENDIX g – CHECKINg DRAFt AND COMBustION
1. Insofar as is practical, close all doors and
windows in the building.
2. Turn on all appliances not connected to the
same venting system as the boiler being
checked.
3. Turn on all exhaust fans (such as range
hoods and bathroom exhausts) to their
maximum speed. Do not turn on any
summer exhaust fans.
4.
5. Operate the appliance being checked.
Follow lighting instructions.
1.
measures CO
2
, O
2
temperature.
2. For oil boilers, also use a smoke tester with
smoke test paper.
3.
input.
4.
2
(or O
2
),
exiting the boiler.
5. For two-stage or modulating boilers, also
check the CO
2
(or O
2
), CO and temperature
6.
2
(or O
2
)
matches the required CO
2
(or O
2
for the boiler.
7. For oil boilers, also take a smoke
should not exceed #1.
If CO
2
, O
2
, or CO fall outside of the
installation and startup instructions and make any
necessary adjustments to the boiler or associated
venting or piping systems.
i
Note the gross flue gas temperature for
future reference. Significant changes in
flue gas temperature can indicate changes
in the boiler’s operating efficiency.
CO target is less than 50 ppm AF.
6. After 5 minutes of main burner operation,
test for spillage at the draft hood relief
opening, using a lighted match, candle,
cigarette, etc.
7. Repeat this test for each appliance
connected to the common venting system.
8. If any appliance does not vent properly, per
the above test, make corrections, so that the
installation conforms to the National Fuel
Gas Code, ANSI Z223.1/NFPA 54.
9. Return doors, windows, exhaust fans,
burning appliance to their previous condition
of use.
APPENDIX F – Adjusting Gas Input Rate (continued)
Do not force the adjustment screw.
DO NOT EXCEED the boiler’s rated gas
input.
Leak Test Gas Piping:
must be leak tested and
leak free before placing boiler in operation.
,
disconnect boiler and its individual shut-off
valve from gas supply piping.
1.
from gas supply piping by closing boiler’s
individual manual shut-off valve.
2. Check for gas leaks in all piping joints,
leak detection solution or an electronic leak
detector.
3. Repair any leaks.