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MG2S Installation Manual

ManualsBrandsRevolv ManualsFurnacesMG2S - 45k BTU - Two-Stage Gas Furnace - Manufactured Home - 96% AFUE - Front Return - Includes Coil Cabinet
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LOCAL HEATING VALUES FOR NATURAL GAS
ALTITUDE ABOVE
SEA LEVEL
BTU PER CUBIC FOOT
650 700 750 800 850 900 950 1,000 1,050
2,000 FT LOW LOW LOW LOW LOW LOW
HIGH HIGH HIGH
3,000 FT LOW LOW LOW LOW LOW LOW
HIGH HIGH HIGH
4,000 FT LOW LOW LOW LOW LOW
HIGH HIGH HIGH HIGH
5,000 FT LOW LOW LOW LOW LOW
HIGH HIGH HIGH HIGH
6,000 FT LOW LOW LOW LOW
HIGH HIGH HIGH HIGH HIGH
7,000 FT LOW LOW LOW LOW
HIGH HIGH HIGH HIGH HIGH
8,000 FT LOW LOW LOW
HIGH HIGH HIGH HIGH HIGH HIGH
9,000 FT LOW LOW LOW
HIGH HIGH HIGH HIGH HIGH HIGH
10,000 FT LOW LOW
HIGH HIGH HIGH HIGH HIGH HIGH HIGH
Table 12. Natural Gas Heating Values
Table 11. Liquid Propane Conversion Chart
INPUT
(BTU)
ALTITUDE ABOVE SEA LEVEL
0 to 1,999 FT 2,000 to 2,999 FT 3,000 to 4,999 FT 5,000 to 5,999 FT 6,000 to 7,999 FT 8,000 to 10,000 FT
Orifice
Size
ManifOld
PreSSure
Orifice
Size
ManifOld
PreSSure
Orifice
Size
ManifOld
PreSSure
Orifice
Size
ManifOld
PreSSure
Orifice
Size
ManifOld
PreSSure
Orifice
Size
ManifOld
PreSSure
lOw HigH lOw HigH lOw HigH lOw HigH lOw HigH lOw HigH
39,000 1.1mm 4.2 10.0 1.1mm 3.8 9.0 1.1mm 3.6 8.5 #59 4.2 10.0 #59 3.8 9.0 #59 3.6 8.5
57,000 1.25mm 4.2 10.0 1.25mm 3.8 9.0 1.25mm 3.6 8.5 1.1mm 4.2 10.0 1.1mm 3.8 9.0 1.1mm 3.6 8.5
63,000 1.2mm 4.2 10.0 1.2mm 3.8 9.0 1.2mm 3.6 8.5 1.1mm 4.2 10.0 1.1mm 3.8 9.0 1.1mm 3.6 8.5
Table 13. Orifices for Natural Gas
High Heating Value
NATURAL GAS with HIGH HEATING VALUE
ALTITUDE
ABOVE SEA
LEVEL
.
O.S
&
M.P
INPUT (BTU)
45000 60000 72000
LOW HIGH LOW HIGH LOW HIGH
0 FT
to
1,999 FT
O.S.
49 45 47
M.P.
1.7 3.5 1.7 3.5 1.7 3.5
2,000 FT
to
2,999 FT
O.S.
49 45 47
M.P.
1.7 2.9 1.7 3.3 1.7 3.2
3,000 FT
to
3,999 FT
O.S.
49 45 47
M.P.
1.7 2.8 1.7 3.1 1.7 3
4,000 FT
to
4,999 FT
O.S.
49 45 47
M.P.
1.7 2.6 1.7 2.9 1.7 2.8
5,000 FT
to
5,999 FT
O.S.
49 45 47
M.P.
1.7 2.5 1.7 2.8 1.7 2.7
6,000 FT
to
6,999 FT
O.S.
51 48 49
M.P.
1.7 3.3 1.7 3.5 1.7 3.5
7,000 FT
to
7,999 FT
O.S.
51 48 49
M.P.
1.7 3 1.7 3.3 1.7 3.3
8,000 FT
to
8,999 FT
O.S.
51 48 49
M.P.
1.7 2.8 1.7 3 1.7 3
9,000 FT
to
9,999 FT
O.S.
51 48 49
M.P.
1.7 2.6 1.7 2.8 1.7 2.8
NOTE: O.S.=Orifice Size, M.P. = Manifold Pressure
NATURAL GAS with LOW HEATING VALUE
ALTITUDE
ABOVE SEA
LEVEL
O.S
&
M.P
INPUT (BTU)
45000 60000 72000
LOW HIGH LOW HIGH LOW HIGH
0 FT
to
1,999 FT
O.S.
49 45 47
M.P.
1.7 3.5 1.7 3.5 1.7 3.5
2,000 FT
to
2,999 FT
O.S.
49 45 47
M.P.
1.7 3.5 1.7 3.5 1.7 3.5
3,000 FT
to
3,999 FT
O.S.
49 45 47
M.P.
1.7 3.1 1.7 3.4 1.7 3.3
4,000 FT
to
4,999 FT
O.S.
49 45 47
M.P.
1.7 2.9 1.7 3.2 1.7 3.1
5,000 FT
to
5,999 FT
O.S.
49 45 47
M.P.
1.7 2.7 1.7 3.1 1.7 2.9
6,000 FT
to
6,999 FT
O.S.
49 45 47
M.P.
1.7 2.6 1.7 2.9 1.7 2.8
7,000 FT
to
7,999 FT
O.S.
51 48 49
M.P.
1.7 3.5 1.7 3.5 1.7 3.4
8,000 FT
to
8,999 FT
O.S.
51 48 49
M.P.
1.7 3.1 1.7 3.3 1.7 3.2
9,000 FT
to
9,999 FT
O.S.
51 48 49
M.P.
1.7 2.9 1.7 3.1 1.7 2.9
NOTE: O.S.=Orifice Size, M.P. = Manifold Pressure
Table 14. High Altitude Deration Chart for
Natural Gas - Low heating Value