90+
2-Stage &*9MPT & *9MPV
Variable Speed
SAFETY
REQUIREMENTS
/X
Recognize safety information.
This is the safety- alert symbol/XX.
When you see this symbol on the furnace and in instructions or manuals be alert
to the potential for personal injury.
Understand the signal words DANGER, WARNING, or CAUTION.
These words are used with the safety-alert
symbol.
DANGER identifies the
most serious hazards, those that will result in severe personal injury or death. WARNING signifies a hazard that could result in personal injury or
death.
CAUTION is used to identify unsafe practices that could result in minor personal injury or product and property damage.
Installing and servicing heating equipment can be hazardous due to gas and electrical components.
Only trained and qualified personnel 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.
In the United States, follow all safety codes including the current edition National Fuel Gas Code (NFGC) NFPA No.
54/ANSIZ223.1.
In Canada, refer tothe current edition ofthe National Standard Canada CAN/CGA- B149.1 - and .2-M91 Natural Gas and Propane
Installation Codes (NSCNGPIC).
Wearsafetyglasses
andworkgloves.
Havefireextinguisheravailableduring
start-upandadjustment
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 requre
these instructions
as a minimum for a safe installation.
Manufactured
by:
International
Comfort
Products
Corporation
(USA)
Lewieburg, TN USA 37091
Table of Contents
1. SafeInstallationRequirements .................
4
2. Installation................................
5
3. Combustion & Ventilation Air ..................
8
4. Vent& Combustion Air Piping ................
10
5. GasSupplyand Piping ......................
21
6. Electrical W iring ...........................
25
7. Ductworkand Filter ........................
26
8. ChecksandAdjustments ....................
30
9. FurnaceMaintenance .......................
32
10.Sequenceof Operation& Diagnostics..........
32
11.Concentric VentTermination .................
38
12.TechSupportand Parts ....................
41
Fire or Explosion hazard.
This furnace is not designed for use in mobile
homes, trailers or recreational vehicles.
Such use could result in death, bodily injury
and/or property damage.
Printed i nU.S.A.
LP1
1/14/2002
440 01 201 2 02
Need help?
Do you have a question about the H9MPT050F12B1 and is the answer not in the manual?
Questions and answers