Carrier 140/E Series Installation, Start--Up, Operating, And Service And Maintenance page 40

I
4
4
O9
4
4
O3
<
"-i
Table 15 - Orifice Size* and Manifold Pressures (In. W.C.) for Gas Input Rate
(TABULATED DATA BASED ON 22,000 BTUH HIGH-HEAT / 14,500 BTUH LOW-HEAT PER BURNER,
DERATED 4%/1000 FT (305M) ABOVE SEA LEVEL)
ALTITUDE AVG. GAS SPECIFIC GRAVITY OF NATURAL GAS
RANGE HEAT VALUE 0.58 0.60 0.62
AT ALTITUDE Orifice MnfldPress Orifice MnfldPress Orifice MnfldPress
ft (m) IBtu/cu ftI No. Hi,h/Low No. ai_h/Low No. Hi,h/Low
900 42 3.5 / 1.5 42 3.6 / 1.6 42 3.7 / 1.6
0 925 42 3.3 / 1.4 42 3.4 / 1.5 42 3.5 / 1.5
(0) 950 43 3.8 / 1.7 42 3.3 / 1.4 42 3.4 / 1.5
975 43 3.6 / 1.6 43 3.8 / 1.6 42 3.2 / 1.4
to 1000 43 3.5 / 1.5 43 3.6 / 1.6 43 3.7 / 1.6
1025 43 3.3 / 1.4 43 3.4 / 1.5 43 3.5 / 1.5
2000 1050 44 3.6 / 1.6 43 3.2 / 1.4 43 3.4 / 1.5
(610) 1075 44 3.4 / 1.5 44 3.5 / 1.5 43 3.2 / 1.4
1100 44 3.3 / 1.4 44 3.4 / 1.5 44 3.5 / 1.5
800 42 3.4 / 1.5 42 3.5 / 1.5 42 3.6 / 1.6
825 42 3.2 / 1.4 42 3.3 / 1.4 42 3.4 / 1.5
850 43 3.7 / 1.6 43 3.8 / 1.6 42 3.2 / 1.4
2001 (611) 875 43 3.5 / 1.5 43 3.6 / 1.6 43 3.7 / 1.6
to
900 43 3.3 / 1.4 43 3.4 / 1.5 43 3.5 / 1.5
3000 (914) 925 44 3.5 / 1.5 43 3.2 / 1.4 43 3.3 / 1.4
950 44 3.4 / 1.5 44 3.5 / 1.5 44 3.6 / 1.6
975 44 3.2 / 1.4 44 3.3 / 1.4 44 3.4 / 1.5
1000 45 3.7 / 1.6 45 3.8 / 1.7 44 3.2 / 1.4
775 42 3.2 ! 1.4 42 3.3 ! 1.4 42 3.4 / 1.5
3001 800 43 3.6 / 1.6 43 3.8 / 1.6 42 3.2 / 1.4
(915) 825 43 3.4 / 1.5 43 3.5 / 1.5 43 3.7 / 1.6
850 43 3.2 / 1.4 43 3.3 / 1.4 43 3.4 / 1.5
to
875 44 3.5 / 1.5 44 3.6 / 1.6 43 3.3 / 1.4
4000 900 44 3.3 / 1.4 44 3.4 / 1.5 44 3.5 / 1.5
(1219) 925 45 3.8 / 1.6 44 3.2 / 1.4 44 3.3 / 1.5
950 46 3.8 / 1.6 45 3.7 / 1.6 45 3.8 / 1.7
750 43 3.6 / 1.6 43 3.8 / 1.6 42 3.2 / 1.4
4001 775 43 3.4 / 1.5 43 3.5 / 1.5 43 3.6 / 1.6
(1220) 800 43 3.2 / 1.4 43 3.3 / 1.4 43 3.4 / 1.5
825 44 3.4 / 1.5 44 3.6 / 1.5 43 3.2 / 1.4
to
850 44 3.2 / 1.4 44 3.4 / 1.5 44 3.5 / 1.5
5000 875 45 3.7 / 1.6 45 3.8 / 1.7 44 3.3 / 1.4
(1524) 900 46 3.7 / 1.6 46 3.8 / 1.7 45 3.7 / 1.6
925 46 3.5 ! 1.5 46 3.6 ! 1.6 46 3.7 / 1.6
725 43 3.4 / 1.5 43 3.5 / 1.5 43 3.6 / 1.6
5001 750 43 3.2 / 1.4 43 3.3 / 1.4 43 3.4 / 1.5
(1525) 775 44 3.4 ! 1.5 44 3.5 ! 1.5 43 3.2 / 1.4
800 44 3.2 / 1.4 44 3.3 / 1.4 44 3.4 / 1.5
to
825 46 3.8 / 1.7 45 3.8 / 1.6 44 3.2 / 1.4
6000 850 46 3.6 / 1.6 46 3.7 / 1.6 46 3.8 / 1.7
(1829) 875 47 3.8 / 1.7 46 3.5 / 1.5 46 3.6 / 1.6
900 47 3.6 / 1.6 47 3.8 / 1.6 46 3.4 / 1.5
675 43 3.4 / 1.5 43 3.5 / 1.5 43 3.6 / 1.6
6001 700 44 3.6 / 1.6 43 3.3 / 1.4 43 3.4 / 1.5
(1830) 725 44 3.4 / 1.5 44 3.5 / 1.5 44 3.6 / 1.6
750 45 3.8 ! 1.7 44 3.3 ! 1.4 44 3.4 / 1.5
to
775 46 3.7 / 1.6 45 3.7 / 1.6 45 3.8 / 1.7
7000 800 46 3.5 / 1.5 46 3.6 / 1.6 46 3.8 / 1.6
(2133) 825 47 3.7 / 1.6 46 3.4 / 1.5 46 3.5 / 1.5
850 47 3.5 / 1.5 47 3.6 / 1.6 47 3.8 / 1.6
0.64
Orifice Mnfld Press
No. Hi,h/Low
41 3.5 / 1.5
42 3.7 / 1.6
42 3.5 / 1.5
42 3.3 / 1.4
43 3.8 / 1.7
43 3.6 / 1.6
43 3.5 / 1.5
43 3.3 / 1.4
43 3.2 / 1.4
42 3.7 / 1.6
42 3.5 / 1.5
42 3.3 / 1.4
43 3.8 / 1.7
43 3.6 / 1.6
43 3.4 / 1.5
43 3.2 / 1.4
44 3.5 / 1.5
44 3.4 / 1.5
42 3.5 / 1.5
42 3.3 / 1.4
43 3.8 / 1.6
43 3.6 / 1.5
43 3.4 / 1.5
43 3.2 / 1.4
44 3.4 / 1.5
44 3.3 / 1.4
42 3.3 / 1.4
43 3.8 / 1.6
43 3.5 / 1.5
43 3.3 / 1.4
44 3.6 / 1.6
44 3.4 / 1.5
44 3.2 / 1.4
46 3.8 / 1.7
43 3.7 / 1.6
43 3.5 / 1.5
43 3.3 / 1.4
44 3.5 / 1.5
44 3.3 / 1.4
45 3.8 / 1.6
46 3.7 / 1.6
46 3.5 / 1.5
43 3.7 / 1.6
43 3.5 / 1.5
43 3.2 / 1.4
44 3.5 / 1.5
44 3.2 / 1.4
45 3.7 / 1.6
46 3.6 / 1.6
46 3.4 / 1.5
A10184
40