A.O. Smith 104 Series, Инструкция по эксплуатации

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27
TABLE 10.
NOMINAL START-UP SPECIFICATIONS
MODEL
BTP
139/A
BTP
199/A
BTP
270/A
BTP
370/A
Max Gas Line Press (W C ) Nat Gas - 10 5 ´ W C /Prop Gas -13 0 ´
Manifold Press (W C )
Natural Gas 3 5 3 5 3 5 3 5
Propane Gas 3 5 3 5 3 5 3 5
Ori ¿F e
Natural Gas 0 24 0 308 0 386 0 532
Propane Gas 0 209 0 257 0 302 0 368
Air Shutter Setting No
Natural Gas 2 5 5 75 4 3
Propane Gas 4 5 10 4 8 5
CO 9 2 9 8 7 5 8 0
CO Parts Per Million <200 <200 <200 <200
Gross Sta F k Temp ( ƒ F) 305 338 405 488
Bree F hing Press (in F hes W C )
Ranges from - 0.02 to - 0.07 Inches Water Column
FIGURE 22.
SETTING BURNER OPERATION
Make F ombustion measurements and F orresponding air
shutter adjustments per table 10 Combustion results from
table 10 are for natural gas models
‡ Pro F eed with CO2 test of the À ue gases with an Orsat or
other similar F ombustion test equipment If the CO2 F ontent
is within range (see table 6) no adjustment of the air shutter
is required
Flue gas temperature and CO2 measurements
should be repeated 3 times to ensure a FF urate readings
‡ Che F k the À ue gas temperature ahead of the barometri F
damper See table 10 (net temp gross temp ambient temp )
‡ Che F k bree F hing pressure and the barometri F damper F ontrol
to make sure it operates freely and there is no dis F harge of
À ue produ F ts into the room
‡ Che F k main burner operation by F y F ling on and off the
thermostat dial several times Wait 1 minute between F y F les
for regulators and sequen F ing to reset
When all adjustments are satisfa F tory
‡ Fill in part no 196793 ³ Start-up ´ form
‡ Adjust thermostat temperature dial to deliver desired water
temperature at point of use
‡ For subsequent normal starting and shutoff pro F edure, see
LIGHTING and OPERATION LABEL on page 25