NDN5/GDJ
Downflow Only
Series
SAFETY CONSIDERATIONS
/k
Recognize safety information. This is the safety-alert symbol _. When you see this symbol on the furnace and in instructions or
manuals, be alert to the potential for personal injury.
UnderstandthesignalwordDANGER, WARNING, orCAUTION. Thesewordeareusedwiththesafety-alertsymbol. DANGERidenti-
ties the most serious hazards will result in severe personal injury or death. WARNING signifies a hazard that could result in personal
injuryor death. CAUT__Nisusedt_identifyunsafepracticeswhichw_u_dresu_tinmin_rpers_na_injury_rpr_ductandpr_pertydam-
age.
Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified person-
nel should install, repair, or service heating equipment.
Untrained service personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations
must be performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags,
and on labels attached to or shipped with the unit and other safety precautions that may apply.
Follow all safety codes. Inthe United States, follow all safety codes including the current edition National Fuel Gas Code (NFGC) NFPA
No. 54/ANSIZ223.1. In Canada, refer to the current edition of the National Standard Canada CAN/CGA-Bt 49.1 - and .2-M91 Natural
Gas and Propane Installation Codes (NSCNGPIC). Wear safety glasses and work gloves. Havefire extinguisher available during start-
up and adjustment procedures and service calls.
These instructions cover minimum requirements and conform to existing national standards and safety codes. In some instances,
these instructions exceed certain local codes and ordinances, especially those that may not have kept up with changing residential
construction practices. We require these instructions as a minimum for a safe installation.
Table of Contents
1.Installation............................... 2
2.Combustion&VentilationAir ................. 4
3.GasVent Installation ....................... 6
4.Horizontal................................ 7
5.GasSupplyandPiping ...................... 8
6.ElectricalWiring ........................
7.DuctworkandFilter ......................
8.ChecksandAdjustments..................
9.FurnaceMaintenance ....................
11
12
15
16
Design Certified
byAGA
Manufactured by:
Inter- City Products Corporation (USA)
Lewisburg, TN USA 37091
This furnace is not designed for use in mobile
homes, trailers or recreational vehicles. Such
use could result in property damage, bodily in-
jury and/or death.
LP3 4/14/97 441 01 2201 02