Carrier 140/E Series Installation, Start--Up, Operating, And Service And Maintenance page 43

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Table 16 - Orifice Size* and Manifold Pressures (In. W.C.) for Gas Input Rate (cont.)
(TABULATED DATA BASED ON 21,000 BTUH HIGH-HEAT/14,500 BTUH LOW-HEAT PER BURNER,
DERATED 4%/1000 FT (305M) ABOVE SEA LEVEL)
ALTITUDE AVG. GAS
RANGE HEAT VALUE
AT ALTITUDE
(m) tStu/cu ftI
65O
7001 675
(2134) 700
725
to
750
8000 775
(2438) 800
825
625
8001 650
(2439) 675
700
to
725
9000 750
127431 775
9001 600
(2744) 625
650
to
675
10000 700
13048) 725
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62
Orifice MnfldPress Orifice MnfldPress Orifice MnfldPress
No. Hi,h/Low No. Hi_h/Low No. Hi,h/Low
44 3.3 / 1.6 44 3.4 / 1.6 44 3.5 / 1.7
45 3.7 / 1.8 45 3.8 / 1,8 44 3.3 / 1.6
46 3.6 / 1.7 46 3.7 / 1,8 46 3.8 / 1.8
47 3.8 / 1.8 46 3.5 / 1.7 46 3.6 / 1.7
47 3.5 / 1.7 47 3.7 / 1.8 47 3.8 / 1.8
48 3.8 / 1.8 47 3.4 / 1,6 47 3.6 / 1.7
48 3.6 / 1.7 48 3.7 / 1.8 48 3.8 / 1.8
48 3.3 / 1.6 48 3.5 / 1.6 48 3.6 11.7
45 3.7 / 1.8 45 3.8 / 1,8 44 3.3 / 1.6
46 3.6 / 1.7 46 3.7 / 1.8 46 3.8 / 1.8
47 3.8 / 1.8 46 3.4 / 1,6 46 3.5 / 1.7
47 3.5 / 1.7 47 3.6 / 1.7 47 3.7 / 1.8
48 3.7 / 1.8 48 3.8 / 1.8 47 3.5 / 1.7
48 3.5 / 1.7 48 3.6 / 1,7 48 3.7 / 1.8
3.8 / 1.8 48 3.4 / 1,6 48 3.5 / 1.7
46 3.6 / 1.7 46 3.7 / 1.8 46 3.8 / 1.8
47 3.7 / 1.8 47 3.8 / 1.8 46 3.5 / 1.7
47 3.4 / 1.6 47 3.6 / 1,7 47 3.7 / 1.8
48 3.6 / 1.7 48 3.8 / 1.8 47 3.4 / 1.6
48 3.4 / 1.6 48 3.5 / 1.7 48 3.6 / 1.7
3.7 / 1.8 3.8 / 1,8 48 3.4 11.6
* Orifice numbers shown inBOLD are factory-installed.
0.64
Orifice Mnfld Press
No. Hi_h/Low
43 3.2 / 1.5
44 3.4 / 1.6
45 3.8 / 1.8
46 3.7 / 1.8
46 3.5 / 1.6
47 3.7 / 1.7
47 3.4 / 1.6
48 3.7 / 1.8
44 3.4 / 1.6
45 3.8 / 1.8
46 3.7 / 1.7
46 3.4 / 1.6
47 3.6 / 1.7
48 3.8 / 1.8
48 3.6 / 1.7
45 3.7 / 1.8
46 3.6 / 1.7
47 3.8 / 1.8
47 3.5 / 1.7
48 3.7 / 1.8
48 3.5 / 1.7
A10185A
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