Run to the unit, Figure 7, Table 5 – Reznor R6GI Unit Installation Manual User Manual
Page 16: Manifold pressure. see, For the correct manifold
16
Figure 7
Table 6
Table 5
Ground
Joint
Union
Dripleg
Shut-Off Valve
with 1/8 NPT
plugged tap
Burner
Assembly
Manifold
Some utilities
require Shut-Off
Valve to be
4 to 5 feet
above floor
Automatic Gas Valve
(with manual shut-off)
Figure 7. Typical Gas Hookup - Right Side Entry
Table 5.
Manifold Pressure Setting (in WC) for Natural Gas
NATURAL GAS
HEATING VALUE OF
800 TO 899 BTU/ CU.FT.
ALTITUDE ABOVE SEA LEVEL
ZERO TO 1,999
2,000 TO 4,999
5,000 TO 5,999
6,000 TO 7,999
8,000 TO 10,000
3.5
3.5
3.5
3.5
3.0
NATURAL GAS
HEATING VALUE OF
900 TO 999 BTU/ CU.FT.
ALTITUDE ABOVE SEA LEVEL
ZERO TO 1,999
2,000 TO 4,999
5,000 TO 5,999
6,000 TO 7,999
8,000 TO 10,000
3.5
3.5
3.5
3.2
2.8
NATURAL GAS
HEATING VALUE OF
1,000 TO 1,100 BTU/ CU.FT.
ALTITUDE ABOVE SEA LEVEL
zero to 1,999
2,000 to 4,999
5,000 to 5,999
6,000 to 7,999
8,000 to 10,000
3.5
3.5
3.0
2.8
2.5
LP HEATING VALUE
OF 2,500 BTU/FT.3
ALTITUDE ABOVE SEA LEVEL
ZERO TO
1,999
2,000 TO
2,999
3,000 TO
4,999
5,000 TO
5,999
6,000 TO
7,999
8,000 TO
10,000
MANIFOLD PRESSURE
10.0
8.5
8.5
10.0
9.0
8.5
ORIFICE SIZE
55
55
55
56
56
56
NOTE: Manifold pressure based on sea level LP heating value of 2,500 Btu/cu. ft.
3
Table 6.
Manifold Pressure Setting (in WC) & Orifice Size for LP Gas