507769C05 Page 1 of 55
(P) 507769C05
*P507769C05*
Manufactured By
MRCOOL LLC
Hickory, KY 42051
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.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
WARNING
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
CAUTION
Table of Contents
Unit Dimensions ..........................................................2
Parts Arrangement.......................................................3
Gas Furnace ................................................................4
Shipping and Packing List ...........................................4
Safety Information .......................................................4
General ........................................................................6
Combustion, Dilution & Ventilation Air .........................6
Installation ...................................................................9
Filters .........................................................................12
Duct System ..............................................................12
Venting Practices .......................................................15
Condensate Piping ....................................................30
Gas Piping .................................................................33
Electrical ....................................................................36
Unit Start-Up ..............................................................40
Testing for Proper Venting and Sucient Combustion
Air for Non-Direct Vent Applications ..........................44
Other Unit Adjustments..............................................45
Blower Performance Data .........................................46
Service.......................................................................48
Planned Service ........................................................54
Repair Parts List ........................................................54
INSTALLATION INSTRUCTIONS
MGD*96SE*XA
Warm Air Gas Furnace
Downow Air Discharge
