Lennox ML193DF, Руководство по установке

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2015 Lennox Industries Inc.
Dallas, Texas, USA
AIR FLOW
DOWNFLOW
INSTALLATION
INSTRUCTIONS
ML193DF
MERIT
®
SERIES GAS FURNACE
DOWNFLOW AIR DISCHARGE
507279-02
10/2015
Supersedes 02/2015
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.
CAUTION
As with any mechanical equipment, personal injury
can result from contact with sharp sheet metal
edges. Be careful when you handle this equipment.
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.
Table of Contents
Unit Dimensions 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ML193DF Gas Furnace 3 . . . . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List 3 . . . . . . . . . . . . . . . . . . . . . . . .
Safety Information 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Use of Furnace as a Construction Heater 4 . . . . . . . . . . .
General 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion, Dilution and Ventilation Air 5 . . . . . . . . . . . .
Setting Equipment 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filters 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct System 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pipe and Fittings Specifications 12 . . . . . . . . . . . . . . . . . . .
Joint Cementing Procedure 15 . . . . . . . . . . . . . . . . . . . . . . .
Venting Practices 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Piping Guidelines 15 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Piping 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical 33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start Up 37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Pressure Measurement 38 . . . . . . . . . . . . . . . . . . . . . .
Proper Combustion 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Altitude 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing Non Direct Appliances for Proper Air 40 . . . . . . . .
Other Unit Adjustments 41 . . . . . . . . . . . . . . . . . . . . . . . . . .
Twinning the ML193DF Furnace 42 . . . . . . . . . . . . . . . . . .
Service 43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Parts List 44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start Up Checklist 45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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