Operating instructions

HEATING & COOUNG
58MXA
Deluxe 4-Way Multipoise Fixed-Capacity
Direct Vent Condensing Gas Furnace
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Installation, Start-Up, and Operating Instructions
Sizes 040-140, Series 160
A93040
Condensate Trap Freeze Protection .................................. 10
Construct a Working Platform .......................................... 10
Horizontal Right (Supply-Air Discharge)
Applications ............................................................................ 11
Condensate Trap Location ..................................................
Condensate Trap Tubing ................................................... 11
Condensate Trap Field Drain Attachment ........................ 12
Pressure Switch Tubing ..................................................... 12
Condensate Trap Freeze Protection .................................. 12
Construct a Working Platform .......................................... 12
LOCATION .................................................................................. 13
General .................................................................................... 13
Furnace Location Relative to Cooling
Equipment ............................................................................... 13
Hazardous Locations ............................................................... 14
NOTE: Read the entire instruction manual before starting the
installation.
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TABLE OF CONTENTS
SAFETY CONSIDERATIONS ..................................................... 2
INTRODUCTION .......................................................................... 3
CODES AND STANDARDS ........................................................ 3
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ........ 3
APPLICATIONS ............................................................................ 5
General ...................................................................................... 5
Upflow Applications ................................................................. 5
Condensate Trap Location (Factory-Shipped
Orientation) .......................................................................... 5
Condensate Trap Tubing (Factory-Shipped
Orientation) .......................................................................... 6
Condensate Trap Location (Alternate Upflow
Orientation) .......................................................................... 6
Condensate Trap Tubing (Alternate Upflow
Orientation) .......................................................................... 7
Condensate Trap Field Drain Attachment .......................... 7
Pressure Switch Tubing ....................................................... 8
Upper Collector Box and Inducer Housing
(Unused) Drain Connections ............................................... 8
Condensate Trap Freeze Protection .................................... 8
Downflow Applications ............................................................ 8
Condensate Trap Location .................................................. 8
Condensate Trap Tubing ..................................................... 8
Condensate Trap Field Drain Attachment .......................... 9
Pressure Switch Tubing ....................................................... 9
Condensate Trap Freeze Protection .................................... 9
Horizontal Left (Supply-Air Discharge)
Applications .............................................................................. 9
Condensate Trap Location .................................................. 9
Condensate Trap Tubing ..................................................... 9
Condensate Trap Field Drain Attachments ...................... 10
Pressure Switch Tubing ..................................................... 10
INSTALLATION ......................................................................... 14
Leveling Legs (If Desired) ..................................................... 14
Installation in Upflow and Downflow
Applications ............................................................................ 14
Installation in Horizontal Applications .................................. 16
Air Ducts ................................................................................. 16
General Requirements ....................................................... 16
Ductwork Acoustical Treatment ....................................... 16
Supply Air Connections .................................................... 16
Return Air Connections ..................................................... 17
Filter Arrangement .................................................................. 17
Bottom Closure Panel ............................................................. 18
Gas Piping ............................................................................... 18
Electrical Connections ............................................................ 19
115 v Wiring ..................................................................... 20
24 v Wiring ....................................................................... 20
Accessories ........................................................................ 21
Direct Venting ......................................................................... 21
Removal of Existing Furnaces fi'om Common
Vent Systems ..................................................................... 23
Combustion-Air and Vent Piping ..................................... 27
Vent Extension Pipe .......................................................... 27
Concentric Vent and Combustion-Air
Termination Kit Installation .............................................. 27
Multiventing and Vent Terminations ................................ 32
Condensate Drain .................................................................... 32
General ............................................................................... 32
Application ......................................................................... 32
Condensation Drain Protection ......................................... 32
Sequence of Operation ............................................................ 32
Heating Mode .................................................................... 33
Cooling Mode .................................................................... 35
Thennidistat Mode ............................................................ 35
Continuous Blower Mode ................................................. 35
Heat Pump Mode ............................................................... 38
Component Test ................................................................. 38
START-UP PROCEDURES ........................................................ 39
General .................................................................................... 39
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Prime Condensate Trat_ V_lth V_ate1 ...................................... 39
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 101 Catalog No. 535-80090 Printed in U.S.A. Form 58MXA-14Sl Pg 1 3-03 Replaces: 58MXA-13Sl

Summary of content (52 pages)