Install Instructions
Table Of Contents
- Safety Considerations
- Electrostatic Discharge (ESD) Precautions
- To The Installer
- Product Application
- Location Requirements & Considerations
- Clearances and Accessibility
- Combustion & Ventilation Requirements
- Installation Positions
- Horizontal Applications & Considerations
- Vent Pipe & Combustion Air Pipe
- Materials – Installations In The U.S.A.
- Materials – Installations In Canada
- Pipe Installation
- Combustion Air Pipe Connection
- Vent/Intake Terminations For Installation of Multiple Direct Vent Furnaces
- Condensate Drain Lines & Drain Trap
- General Drain Information
- Field Supplied Drain
- Upflow Model Installed Vertically
- Drain Exiting Right Side
- Drain Exiting Left Side
- Upflow Model Installed Horizontally with Right Side Down
- Upflow Model Installed Horizontally with Left Side Down
- Upflow Model Installed Horizontally With Left Side Down - Alternate
- CounterFlow Model Installed Vertically
- Drain Exiting Left Side (See Figure 28)
- Drain Exiting Right Side (See Figure 29)
- Counterflow Model Installed Horizontally with Right Side Down (See Figure 30)
- Counterflow Model Installed Horizontally with Left Side Down (See Figure 31)
- Electrical Connections
- Gas Supply and Piping
- High Altitude Installation
- Circulating Air & Filters
- Filters - Read This Section Before Installing The Return Air Duct work
- Startup Procedure & Adjustment
- Gas Supply Pressure Measurement
- Operational Checks
- Safety Circuit Description
- Maintenance
- Filters
- Before Leaving an Installation
- Repair and Replacement Parts
- Special Instructions for Products Installed in the State of Massachusetts
54
0.1
0.2 0.3 0.4 0.5 0.6
0.7 0.8
CFM CFM CFM CFM CFM CFM
CFM CFM
F01
809 740 669 603 536 449 377 319
F02 1754 1707
1673 1640 1604 1568 1538 1509
F03 1648
1620 1586 1552 1515 1480 1449 1412
F04
1558 1517 1479 1441 1403 1366 1330 1295
F05
1303 1255 1210 1167 1125 1081 1041 999
F06 1406 1362 1321 1281
1240
1197 1157 1118
F07 1445 1403 1363 1324 1287 1247 1208 1167
F08 1778 1743 1700 1669 1634 1600 1568 1542
F09 1824 1785 1747 1714 1680 1647 1617 1585
F01 906 813 717 613 519 439
368
N/A
F02
1871
1818 1769 1720
1667 1614
1565 1511
F03 1831 1782 1729 1679 1624 1571 1520 1465
F04 1653 1596 1538 1480 1422 1362 1306 1247
F05 1496
1437 1376 1315 1250
1189 1126
1056
F06
1640 1587 1527
1471 1414 1357 1294 1235
F07 1955
1937 1909 1860 1813 1765 1712 1662
F08 2086 2039 1991 1944 1896 1855
1810 1763
F09 2222 2178 2133 2088 2043 1998 1954 1910
F01 1056 962 866 772 666 574 501 429
F02 2096 2050 2005 1948 1899 1848 1800 1755
F03 2023 1973 1927 1877 1829 1781 1731 1680
F04 1946 1900 1848 1795 1741 1689 1637 1584
F05 1231 1151 1078 992 913 812 725 651
F06 1503 1440 1382 1318 1251 1179 1108 1039
F07 1704 1646 1586 1532 1473 1412 1346 1284
F08 1831 1775 1720 1668 1610 1560 1511 1457
F09 2222 2173 2125 2078 2029 1980 1933 1884
CIRCULATION AIRFLOW
*M9S921205D*
G
*M9S921004C*
G
*M9S921005C*
G
MODEL
THERMOSTAT
CALL
TAP #
EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN)