Prior To Start-Up; Pre-Ignition Checks; Test Ignition Safety Shutoff; Commissioning - IBC SFC 199 Installation And Operating Instructions Manual

DANGERS
- Fill trap with water before
unit is first fired to prevent
exhaust fumes from entering
room. Never operate the unit
unless the trap is filled with
water.
Failure to comply will result
in severe personal injury or
death.
- It is forbidden to make
adjustments to the IBC gas
valve except with a properly
calibrated gas combustion
analyzer by persons who
are trained and experienced
in its use. Failure to use an
analyzer can result in an
immediate hazard.
ALTERNATIVE
NATURAL GAS ORIFICES
FOR CALORIFIC VALUES
750–900 BTU/FT
3
MODEL ORIFICE
NUMBER SIZE
SFC-199 725 (P-840)
3-2 3-2
SFC BOILER / WATER HEATERS - SFC 199 SFC BOILER / WATER HEATERS - SFC 199

3.2 PRIOR TO START-UP

3.2.1 Pre-Ignition Checks

Fill the condensation trap. Ensure the venting system is complete and seal-
1.
tested. Confirm that any common venting system at the installation site is
isolated and independent of the SFC unit, that any holes left from removal of
a previous unit have been sealed, and that any resizing of the old flue has
been done.
Check that the water piping system is fully flushed and charged, and that all air
2.
has been discharged. Use a minimum water pressure of 12 psig and confirm
that the pressure relief valve is installed and safely drained.
Check to see that adequate gas pressure is present at the inlet gas supply
3.
test port. With the unit gas valve shut off, using a Torx 15 screwdriver, open
the inlet test port by turning its center-screw 1 full turn counterclockwise.
Connect a manometer and open the manual gas valve. Requirements are
minimum 5" w.c. and maximum 14" w.c. Check that there are no gas leaks.
4. Perform a final check of electrical wiring and provide power to the unit to
initialize operation.

3.2.2 Test Ignition Safety Shutoff

With the unit in operation, test the ignition system safety shutoff device by
shutting the manual gas valve immediately outside the unit case. Ensure that the
unit has shut off and that the appropriate error information is displayed on the
main display screen. To restart the unit, press the Reset button.

3.3 COMMISSIONING

The SFC series units are factory calibrated to operate with natural gas at sea
level. High Fire adjustment is required only if the calorific value of the fuel is out
of the normally expected range (NG range 900-1100 BTU/Ft
fuel provider for your fuel's calorific value. Low fire is field adjustable, but must
be done with caution. No mixture adjustment may be performed unless done
by a qualified technician using properly functioning and calibrated combustion
analyzing equipment.
This unit model can burn either natural gas or propane if equipped with the
correct specified orifice. Examine the rating plate of the unit to ensure it
is configured for the fuel you are using. If the unit is to be converted from
natural gas to propane or from propane to natural gas a fuel conversion kit
must be installed. For the correct fuel conversion kit part number, see the
table below:
MODEL NUMBER
SFC-199
Table 11: Fuel conversion kits
NATURAL GAS
TO PROPANE
P-844
INSTALLATION AND OPERATION INSTRUCTIONS INSTALLATION AND OPERATION INSTRUCTIONS
). Consult your local
3
PROPANE TO
NATURAL GAS
P-845