Gas Piping - Carrier 58STA070-12 Installation Instruction

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FURNACE RETURN-AIR
SIZE INLET
Bottom
048135 or
Side(s)
Bottom
Only
Bottom, Sides or
066135
1 Side & Bottom
1 Side Only
Bottom
Only
Both Sides Or
060155
1 Side & Bottom
1 Side Only
*A filter is required for each return-air inlet. Airflow performance included 1-in. washable filter media such as contained in factory-authorized accessory filter rack. To
determine airflow performance without this filter, assume an additional 0.1 in. wc available external static pressure.
-- Indicates unstable operating conditions.Table 5—Air Delivery - CFM (With Filter)* (Continued)

GAS PIPING

FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal injury,
death, and/or property damage.
Never purge a gas line into a combustion chamber. Never test
for gas leaks with an open flame. Use a commercially
available soap solution made specifically for the detection of
leaks to check all connections.
FIRE OR EXPLOSION HAZARD
Failure to follow this warning coud result in personal injury,
death, and/or property damage.
Use proper length of pipe to avoid stress on gas control
manifold and a gas leak.
Gas piping must be installed in accordance with national and local
codes. Refer to current edition of NFGC in the U.S., the NSCNG-
PIC in Canada.
Installations must be made in accordance with all authorities
having jurisdiction. If possible, the gas supply line should be a
separate line running directly from meter to furnace.
NOTE: In the state of Massachusetts:
1. Gas supply connections MUST be performed by a licensed
plumber or gas fitter.
2. When flexible connectors are used, the maximum length
shall not exceed 36 inches (915 mm).
3. When lever handle type manual equipment shutoff valves are
used, they shall be T-handle valves.
4. The use of copper tubing for gas piping is NOT approved by
the state of Massachusetts.
Refer to Table 6 for recommended gas pipe sizing. Risers must be
used to connect to furnace and to meter. Support all gas piping
with appropriate straps, hangers, etc. Use a minimum of 1 hanger
Table 5—Air Delivery - CFM (With Filter)* (Continued)
SPEED
0.1 0.2
High 2090 2010
Med-High 1790 1755
Med-Low 1545 1525
High 2485 2400
Med-High 2195 2150
Med-Low 1880 1850
High -- --
Med-High 2180 2145
Med-Low 1880 1850
High -- --
Med-High 2135 2085
Med-Low 1880 1850
High 2465 2430
Med-High 2115 2105
Med-Low 1800 1790
High -- --
Med-High 2155 2135
Med-Low 1800 1790
High -- --
Med-High 2140 2095
Med-Low 1800 1790
EXTERNAL STATIC PRESSURE (IN. WC)
0.3 0.4 0.5 0.6
1930 1835 1710 1590
1705 1640 1550 1465
1500 1450 1380 1315
2310 2215 2110 2000
2090 2000 1920 1825
1820 1780 1715 1635
2385 2305 2195 2085
2060 2010 1945 1865
1820 1780 1715 1635
2245 2155 2055 1940
2035 1975 1895 1795
1820 1780 1715 1635
2375 2305 2230 2110
2075 2030 1980 1910
1770 1735 1695 1640
2375 2285 2200 2105
2095 2040 1975 1895
1770 1735 1695 1640
2260 2180 2085 1975
2040 1975 1890 1810
1770 1735 1695 1640
every 6 ft. Joint compound (pipe dope) should be applied sparingly
and only to male threads of joints. Pipe dope must be resistant to
the action of propane gas.
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal injury,
death, and/or property damage.
If local codes allow the use of a flexible gas appliance
connector, always use a new listed connector. Do not use a
connector which has previously served another gas appliance.
Black iron pipe shall be installed at the furnace gas control
valve and extend a minimum of 2 in. outside the furnace.
FURNACE OVERHEAT HAZARD
Failure to follow this caution may result in unit component
damage.
Connect gas pipe to gas valve using a backup wrench to avoid
damaging gas controls and burner misalignment.
An accessible manual equipment shutoff valve MUST be installed
external to furnace casing and within 6 ft of furnace. A 1/8-in. NPT
plugged tapping, accessible for test gauge connection, MUST be
installed immediately upstream of gas supply connection to
furnace and downstream of manual equipment shutoff valve.
NOTE: The furnace gas valve inlet pressure tap connection is
suitable to use as test gauge connection providing test pressure
DOES NOT exceed maximum 0.5 psig (14-in. wc) stated on gas
control valve. (See Fig. 46.)
Some installations require gas entry on right side of furnace (as
viewed in upflow.) (See Fig. 21a.)
Install a sediment trap in riser leading to furnace as shown in Fig
21b. Connect a capped nipple into lower end of tee. Capped nipple
should extend below level of furnace gas controls. Place a ground
joint union between furnace gas control valve and exterior manual
equipment gas shutoff valve. A 1/8-in. NPT plugged tapping,
17
0.7 0.8 0.9 1.0
1470 1335 1025 835
1360 1210 945 785
1215 1005 855 670
1880 1725 1535 1355
1720 1565 1405 1255
1540 1415 1290 1160
1960 1825 1670 1465
1765 1660 1515 1325
1540 1415 1290 1160
1825 1695 1555 1385
1685 1565 1445 1265
1540 1415 1290 1160
2000 1865 1725 1545
1830 1725 1590 1425
1570 1465 1345 1225
1995 1870 1730 1570
1790 1685 1550 1400
1570 1465 1345 1225
1865 1740 1605 1455
1705 1595 1480 1325
1570 1465 1345 1225