Maytag *TC User Manual

2
IMPORTANT SAFETY INFORMATION .......................4
REQUIREMENTS & CODES .......................................4
Combustion Air Quality .............................................5
Operation of Furnace During Construction ...............5
Heating Load ............................................................5
Clearances to Combustible Materials .......................6
Installation in a Garage ............................................6
COMBUSTION AIR & VENTING REQUIREMENTS ....7
General Information .................................................8
Direct Vent Furnaces ................................................8
Conventional Furnaces - Confi ned Spaces ..............8
Air From Inside .....................................................8
Outdoor Air from a Crawl Space or
Vented Attic...........................................................9
Outdoor Air Using Vertical Ducts ..........................9
Outdoor Air Using Horizontal Ducts ......................9
Air Directly Through an Exterior Wall .................. 10
Alternate Method of Providing Air from
Outside ............................................................... 10
Conventional Furnaces - Unconfi ned Spaces ........ 10
Category IV Venting ...............................................10
Vent Pipe Material .............................................11
Vent Pipe Length & Diameter ............................11
Vent Pipe Installation .........................................12
Outdoor Terminations - Horizontal Venting ........12
Outdoor Terminations - Vertical Venting ............13
Vent Freezing Protection ...................................13
Existing Installations ..........................................14
Condensate Disposal ............................................14
CIRCULATING AIR REQUIREMENTS ...................... 14
Plenums & Air Ducts ............................................... 14
Supply Air Connections .......................................... 15
Upfl ow/Horizontal Furnaces ............................... 15
Downfl ow Furnaces ............................................ 15
Return Air Connections .......................................... 15
Upfl ow/Horizontal Furnaces ..............................15
Side Return Installations ..............................15
Bottom Return Installations ..........................15
Downfl ow Furnaces ............................................15
Acoustical Treatments ............................................15
FURNACE INSTALLATION .......................................16
General Requirements ...........................................16
Upfl ow Installation ..................................................16
Side Return Air Inlet ...........................................16
Bottom Return Air Inlet .......................................16
Downfl ow Installation ..............................................16
Installation on a Concrete Slab ..........................16
Horizontal Installation .............................................16
Inducer & Venting Options ......................................17
Inducer Assembly Rotation ................................17
Pressure Switch Tubing......................................18
Accessories ............................................................19
Finish Flange ......................................................19
Rubber Grommets ..............................................19
PVC Tee, Reducer, & Hose Barb ........................19
Condensate Drain Lines .....................................20
Bottom Panel Removal ...........................................20
Alternate Bottom Panel Removal .......................20
GAS SUPPLY & PIPING ............................................21
Leak Check ...........................................................21
High-Altitude Application ........................................22
Conversion to LP / Propane ...................................24
ELECTRICAL WIRING ...............................................24
Line Voltage Wiring .................................................24
Grounding ...............................................................25
Thermostat / Low Voltage Connections .................25
Single Stage AC & Single Stage Heat
Thermostat .........................................................26
Single Stage AC & Two - Stage Heat
Thermostat .........................................................26
Two - Stage AC & Two - Stage Heat
Thermostat .........................................................26
TABLE OF CONTENTS

Maytag *TC Specifications

General

Brand	Maytag
Model	*TC
Category	Furnace
Language	English