Utica Boilers UB95M-200 インストール手順
11
Pressure Guidelines
Fan Speed
Minimum RPM
Maximum RPM
Fuel
Natural Gas
LP
Natural Gas
LP
Gas Line Inlet
Pressure
N/A
N/A
At least 4” WC
At least 10” WC
Differential Pres-
sure
0.3” WC
2.0” WC
Note: Differential pressure values listed for comparison only. These values will change with vent length
and altitude of installation.
Combustion Guidelines
Outside
Natural Gas
LP Gas
Temperature
*%CO
2
*%O
2
CO
*%CO2
*%O
2
CO
70°F and up
9.6% to
10%
3.9% to
3.2%
Less than
80 PPM
11.1% to
11.5%
4.1% to
3.4%
Less than
80 PPM
21°C and up
30°F to 70°F
30°F to 70°F
9.3% to
9.6%
4.4% to
3.9%
Less than
80 PPM
10.8% to
11.1%
4.5% to
4.1%
Less than
80 PPM
-1°C to 21°C
30°F and below
30°F and below
9.0% to
9.3%
5.0% to
4.4%
Less than
80 PPM
10.5% to
10.8%
4.9% to
4.5%
Less than
80 PPM
-1°C and below
* Percent CO
2
values may exceed those listed and percent O
2
values may be less than those listed in order
to achieve nominal input rate of boiler.
Flame Signal Guidelines
Flame Signal Guidelines
Fan Speed
Minimum RPM
Maximum RPM
Flame Signal
Greater than 3.0 VDC
Greater than 3.0 VDC
6 - CHECKOUT PROCEDURES AND ADJUSTMENTS