International comfort products N9MSE0261408A Service And Technical Support Manual page 11

SERVICE AND TECHNICAL SUPPORT MANUAL
Table 3 (CONT.) Orifice Size and Manifold Pressure (in. w.c.) for Gas Input Rate − 26,000 BTUH Single Stage
(TABULATED DATA BASED ON 13,000 BTUH PER BURNER, DERATED 2%/1000 FT (305M) ABOVE SEA LEVEL
7001
(2134)
8000
(2438)
8001
(2439)
9000
(2743)
9001
(2744)
10000
(3048)
* Orifice numbers shown in BOLD are factory-installed.
440 04 4402 06
ORIFICE SIZE* AND MANIFOLD PRESSURE (IN WC) FOR GAS INPUT RATE
43 1.7
650
675 44 1.8
700 44 1.7
725 44 1.6
to
750 44 1.5
775 44 1.4
800 44 1.3
825 44 1.2
625 43 1.7
650 44 1.8
675 44 1.7
700 44 1.6
to
725 44 1.5
750 44 1.4
775 44 1.3
600 43 1.7
625 44 1.8
650 44 1.7
to
675 44 1.6
700 44 1.4
725 44 1.3
Specifications subject to change without notice.
43 1.8 42 1.5
43 1.7 43 1.7
44 1.8 44 1.8
44 1.7 44 1.7
44 1.5 44 1.6
44 1.4 44 1.5
44 1.4 44 1.4
44 1.3 44 1.3
43 1.8 43 1.8
43 1.7 43 1.7
44 1.8 44 1.8
44 1.6 44 1.7
44 1.5 44 1.6
44 1.4 44 1.5
44 1.3 44 1.4
43 1.8 43 1.8
43 1.6 43 1.7
44 1.7 44 1.8
44 1.6 44 1.7
44 1.5 44 1.5
44 1.4 44 1.4
Gas Furnace: N9MSE
42 1.6
43 1.8
43 1.7
44 1.8
44 1.6
44 1.5
44 1.4
44 1.4
42 1.6
43 1.8
43 1.6
44 1.7
44 1.6
44 1.5
44 1.4
42 1.6
43 1.7
44 1.8
44 1.7
44 1.6
44 1.5
A150572
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