Lenox Furnace ML180UHE user guide

Brand: Lenox, product type: Household Appliance / Furnace

Total pages: 44, PDF manual size: 2.8 Mb

Page 1
06/11
*2P0611*
506810−01
*P506810-01*
E 2011 Lennox Industries Inc.
Dallas, Texas, USA
AIR FLOW
UPFLOW
AIR FLOW
AIR FLOW
HORIZONTAL RIGHT
HORIZONTAL LEFT
INSTALLATION
INSTRUCTIONS
ML180UHE
MERIT
®
SERIES GAS FURNACE
UPFLOW / HORIZONTAL AIR DISCHARGE
506810−01
06/2011
Supersedes 506732−01
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
This is a safety alert symbol and should never be ignored.
When you see this symbol on labels or in manuals, be alert
to the potential for personal injury or death.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, person-
al injury or loss of life. Installation and service must
be performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
CAUTION
As with any mechanical equipment, personal injury
can result from contact with sharp sheet metal
edges. Be careful when you handle this equipment.
Table of Contents
Unit Dimensions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Arrangement 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ML180UHE Gas Furnace 4. . . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List 4. . . . . . . . . . . . . . . . . . . . . . . .
Safety Information 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Use of Furnace as a Construction Heater 5. . . . . . . . . . .
General 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion, Dilution & Ventilation Air 6. . . . . . . . . . . . . .
Setting Equipment 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filters 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct System 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Venting 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Piping 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated Control 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start−Up 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Pressure Adjustment 30. . . . . . . . . . . . . . . . . . . . . . . .
High Altitude 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proper Combustion 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other Unit Adjustments 31. . . . . . . . . . . . . . . . . . . . . . . . . .
Blower Performance Data 33. . . . . . . . . . . . . . . . . . . . . . . .
Service 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Planned Service 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Parts List 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated Control Diagnostic Codes 38. . . . . . . . . . . . . . .
Troubleshooting 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Litho U.S.A.


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