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507716-01
Page 1 of 58
Issue 1717
INSTALLATION INSTRUCTIONS
GUH95C
Warm Air Gas Furnace
Upflow/Horizontal Left and Right Air Discharge
Save these instructions for future reference
(P) 507716-01
*P507716-01*
Manufactured By
Comfort-Aire / Century
1900 Wellworth Ave.
Jackson, MI 49203
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 ..........................................................
Parts Arrangement.......................................................
................................................................
Shipping and Packing List ...........................................
Safety Information .......................................................
General ........................................................................
Combustion, Dilution & Ventilation Air .........................
Installation ...................................................................
Filters .........................................................................
Duct System ..............................................................
Venting Practices .......................................................
Condensate Piping ....................................................
.................................................................
Electrical ....................................................................
Unit Start-Up ..............................................................
Testing for Proper Venting and Sufficient Combustion
Air for Non-Direct Vent Applications ..........................
Other Unit Adjustments..............................................
Blower Performance ..................................................
Service.......................................................................
Planned Service ........................................................
Repair Parts List ........................................................
Start-Up & Performance Checklist.............................
Summary of Contents for GUH95C
Page 3: ...507716 01 Page 3 of 58 Issue 1717 Figure 1 Parts Arrangement...
Page 22: ...507716 01 Page 22 of 58 Issue 1717 Figure 25 Figure 26...
Page 37: ...507716 01 Page 37 of 58 Issue 1717 Figure 59 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC...
Page 56: ...507716 01 Page 56 of 58 Issue 1717 Start Up Performance Checklist...