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Table
(Tabulated Data Based on 20,000 Btuh High Heat/13,000 Btuh Low Heat per Burner, Derated 2 Percent for Each 1000 ft Above
Sea Level)
ALTITUDE | AVG GAS |
|
|
|
|
| SPECIFIC GRAVITY OF NATURAL GAS |
|
|
| ||||||||
| 0.58 |
| 0.60 |
| 0.62 |
| 0.64 |
| 0.66 | |||||||||
| RANGE | HEAT VALUE |
|
|
|
|
| |||||||||||
| (FT) | (BTU/CU FT) | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | |
|
|
|
| no. |
| Pressure | no. |
| Pressure | no. |
| Pressure | no. |
| Pressure | no. |
| Pressure |
|
|
| 725 | 43 |
| 3.7/1.5 | 43 |
| 3.8/1.6 | 42 |
| 3.2/1.4 | 42 |
| 3.3/1.4 | 42 |
| 3.4/1.4 |
Canada |
|
| 750 | 44 |
| 3.4/1.4 | 43 |
| 3.5/1.5 | 43 |
| 3.7/1.5 | 43 |
| 3.8/1.6 | 42 |
| 3.2/1.4 |
|
| 775 | 44 |
| 3.7/1.6 | 44 |
| 3.8/1.6 | 43 |
| 3.4/1.4 | 43 |
| 3.5/1.5 | 43 |
| 3.7/1.5 | |
| 4001 | 800 | 44 |
| 3.5/1.5 | 44 |
| 3.6/1.5 | 44 |
| 3.7/1.6 | 44 |
| 3.8/1.6 | 43 |
| 3.4/1.4 | |
| 825 | 44 |
| 3.2/1.4 | 44 |
| 3.4/1.4 | 44 |
| 3.5/1.5 | 44 |
| 3.6/1.5 | 44 |
| 3.7/1.6 | ||
and |
|
|
|
|
|
| ||||||||||||
| to |
|
|
|
|
| ||||||||||||
| 850 | 45 |
| 3.7/1.6 | 45 |
| 3.8/1.6 | 44 |
| 3.3/1.4 | 44 |
| 3.4/1.4 | 44 |
| 3.5/1.5 | ||
| 5000 |
|
|
|
|
| ||||||||||||
U.S.A. |
|
| 875 | 45 |
| 3.5/1.5 | 45 |
| 3.6/1.5 | 45 |
| 3.7/1.6 | 44 |
| 3.2/1.3 | 44 |
| 3.3/1.4 |
|
| 900 | 45 |
| 3.3/1.4 | 45 |
| 3.4/1.4 | 45 |
| 3.5/1.5 | 45 |
| 3.6/1.5 | 45 |
| 3.8/1.6 | |
|
|
| 925 | 47 |
| 3.7/1.6 | 45 |
| 3.2/1.4 | 45 |
| 3.3/1.4 | 45 |
| 3.4/1.5 | 45 |
| 3.6/1.5 |
|
|
| 950 | 47 |
| 3.5/1.5 | 47 |
| 3.6/1.5 | 45 |
| 3.2/1.3 | 45 |
| 3.3/1.4 | 45 |
| 3.4/1.4 |
ALTITUDE | AVG GAS |
|
|
|
|
| SPECIFIC GRAVITY OF NATURAL GAS |
|
|
| ||||||||
| 0.58 |
| 0.60 |
| 0.62 |
| 0.64 |
| 0.66 | |||||||||
| RANGE | HEAT VALUE |
|
|
|
|
| |||||||||||
| (FT) | (BTU/CU FT) | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | |
|
|
|
| no. |
| Pressure | no. |
| Pressure | no. |
| Pressure | no. |
| Pressure | no. |
| Pressure |
|
|
| 700 | 43 |
| 3.6/1.5 | 43 |
| 3.7/1.6 | 42 |
| 3.2/1.3 | 42 |
| 3.3/1.4 | 42 |
| 3.4/1.4 |
|
|
| 725 | 43 |
| 3.4/1.4 | 43 |
| 3.5/1.5 | 43 |
| 3.6/1.5 | 43 |
| 3.7/1.6 | 43 |
| 3.8/1.6 |
|
|
| 750 | 44 |
| 3.6/1.5 | 44 |
| 3.7/1.6 | 43 |
| 3.4/1.4 | 43 |
| 3.5/1.5 | 43 |
| 3.6/1.5 |
Canada |
|
| 775 | 44 |
| 3.4/1.4 | 44 |
| 3.5/1.5 | 44 |
| 3.6/1.5 | 44 |
| 3.7/1.6 | 43 |
| 3.4/1.4 |
|
| 800 | 44 |
| 3.2/1.3 | 44 |
| 3.3/1.4 | 44 |
| 3.4/1.4 | 44 |
| 3.5/1.5 | 44 |
| 3.6/1.5 | |
| 5001 | 825 | 45 |
| 3.6/1.5 | 45 |
| 3.7/1.6 | 44 |
| 3.2/1.4 | 44 |
| 3.3/1.4 | 44 |
| 3.4/1.4 | |
and |
| to | 850 | 45 |
| 3.4/1.4 | 45 |
| 3.5/1.5 | 45 |
| 3.6/1.5 | 45 |
| 3.8/1.6 | 44 |
| 3.2/1.4 |
| 6000 | 875 | 45 |
| 3.2/1.4 | 45 |
| 3.3/1.4 | 45 |
| 3.4/1.5 | 45 |
| 3.6/1.5 | 45 |
| 3.7/1.5 | |
U.S.A. |
|
|
|
|
|
| ||||||||||||
|
| 900 | 47 |
| 3.6/1.5 | 47 |
| 3.7/1.6 | 45 |
| 3.3/1.4 | 45 |
| 3.4/1.4 | 45 |
| 3.5/1.5 | |
|
| 925 | 47 |
| 3.4/1.4 | 47 |
| 3.5/1.5 | 47 |
| 3.7/1.5 | 45 |
| 3.2/1.3 | 45 |
| 3.3/1.4 | |
|
|
|
|
|
|
|
| |||||||||||
|
|
| 950 | 48 |
| 3.7/1.6 | 48 |
| 3.8/1.6 | 47 |
| 3.5/1.5 | 47 |
| 3.6/1.5 | 47 |
| 3.7/1.6 |
|
|
| 975 | 48 |
| 3.5/1.5 | 48 |
| 3.6/1.5 | 48 |
| 3.8/1.6 | 47 |
| 3.4/1.4 | 47 |
| 3.5/1.5 |
|
|
| 1000 | 48 |
| 3.3/1.4 | 48 |
| 3.5/1.5 | 48 |
| 3.6/1.5 | 48 |
| 3.7/1.6 | 48 |
| 3.8/1.6 |
ALTITUDE | AVG GAS |
|
|
|
|
| SPECIFIC GRAVITY OF NATURAL GAS |
|
|
| ||||||||
| 0.58 |
| 0.60 |
| 0.62 |
| 0.64 |
| 0.66 | |||||||||
| RANGE | HEAT VALUE |
|
|
|
|
| |||||||||||
| (FT) | (BTU/CU FT) | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | Orifice |
| Manifold | |
|
|
|
| no. |
| Pressure | no. |
| Pressure | no. |
| Pressure | no. |
| Pressure | no. |
| Pressure |
|
|
| 650 | 42 |
| 3.2/1.3 | 42 |
| 3.3/1.4 | 42 |
| 3.4/1.4 | 42 |
| 3.5/1.5 | 42 |
| 3.6/1.5 |
|
|
| 675 | 43 |
| 3.6/1.5 | 43 |
| 3.7/1.6 | 43 |
| 3.8/1.6 | 42 |
| 3.2/1.4 | 42 |
| 3.3/1.4 |
|
|
| 700 | 44 |
| 3.8/1.6 | 43 |
| 3.4/1.5 | 43 |
| 3.6/1.5 | 43 |
| 3.7/1.6 | 43 |
| 3.8/1.6 |
Only |
| 6001 | 725 | 44 |
| 3.6/1.5 | 44 |
| 3.7/1.6 | 44 |
| 3.8/1.6 | 43 |
| 3.4/1.4 | 43 |
| 3.5/1.5 |
| 750 | 44 |
| 3.3/1.4 | 44 |
| 3.4/1.5 | 44 |
| 3.6/1.5 | 44 |
| 3.7/1.6 | 44 |
| 3.8/1.6 | ||
U.S.A. |
| to |
|
|
|
|
| |||||||||||
| 775 | 45 |
| 3.8/1.6 | 44 |
| 3.2/1.4 | 44 |
| 3.3/1.4 | 44 |
| 3.4/1.5 | 44 |
| 3.5/1.5 | ||
| 7000 |
|
|
|
|
| ||||||||||||
|
| 800 | 45 |
| 3.5/1.5 | 45 |
| 3.7/1.5 | 45 |
| 3.8/1.6 | 44 |
| 3.2/1.4 | 44 |
| 3.3/1.4 | |
|
|
| 825 | 45 |
| 3.3/1.4 | 45 |
| 3.4/1.5 | 45 |
| 3.6/1.5 | 45 |
| 3.7/1.6 | 45 |
| 3.8/1.6 |
|
|
| 850 | 47 |
| 3.7/1.6 | 45 |
| 3.2/1.4 | 45 |
| 3.4/1.4 | 45 |
| 3.5/1.5 | 45 |
| 3.6/1.5 |
|
|
| 875 | 47 |
| 3.5/1.5 | 47 |
| 3.6/1.5 | 45 |
| 3.2/1.3 | 45 |
| 3.3/1.4 | 45 |
| 3.4/1.4 |
*Orifice numbers 45 are factory installed.
j.Remove jumpers R to W/W1 and R to W2.
3. Verify natural gas input rate by clocking gas meter.
NOTE: Be sure all pressure tubing,
a. Calculate
CAUTION: DO NOT redrill orifices. Improper drilling (burrs,
UNITED STATES
At altitudes above 2000 ft, this furnace has been approved for a 2 percent derate for each 1000 ft above sea level. See Example and Table 14 for derate multiplier factor.