Carrier 58MXA Installation, Start-Up, And Operating Instructions Manual

58NXA
DeMuxe 4-Way NuRipoise Fixed-Capacity
Direct Vent Condensing Gas Furnace
\isit _ v_w carrier.corn
tnstammation, Start-Up, and Operating
Sizes 040o140, Series 170
NEATUNG & COOUNG
A93040
NOTE: Read the entire instruction nmnua] before starting the
installation.
This symbol --> indicates a change since the tast issue,
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
2
INTRODL CTION 4
CODES AND STANDARDS 4
ELECTROSTATI( DISCHARGE (ESD) PRECAUTIONS .... 5
APPLICATIONS ...................................... 6
General ............................................. 6
Lpflow Applications ............................... 6
Downflow Applications ............................. 8
Horizontal Lek (Supply-Air Discharge)
Applications ........................................ 10
Horizontal Right (Supply-Air Discharge)
Applications .................................... 11
LOCATION ......................................... ! 3
General ......................................... 13
Furnace Location Relative to Cooling
Equipment ...................................... ] 4
Hazardous Locations .............................. 14
INSTALLATION ........................................ 14
Leveling Legs (If"Desired) ............................ 14
Installation in Upfiow and Downflow
Applications ....................................... 15
Installation in Horizontal Applications .................. 16
Air Ducts ........................................ ] 7
General Requirements ............................ 17
Ductwork Acoustical Treatment ................... 17
Supply Ai* ( onnections ......................... 17
Return Air Connections .......................... 17
Filter Arrangement ................................ 1S
Bottom Closure Panel ............................ 19
Gas Piping ....................................... ] 9
Electrical Connections ............................ 20
115 v Wiring ................................. 20
24 v Wiring .................................. 22
Accessories ........................................................................ 22
Direct Venting ...................................... 22
Removal of Existing Furnaces t)om Common
Vent Systems .................................... 22
Combustion-Air and Vent Piping .................... 22
Vent Extension Pipe ............................ 27
Concentric Vent and Combustion-Air
Termination Kit Installation .............................................. 29
Multiventing and Vent Terminations .................. 33
Condensate Drain .................................. 34
General ....................................... 34
Application ....................................... 34
Condensation Drain Protection ..................... 35
START-UP, ADJL STMENTS AND SAFETY (HECK ........... 35
General ........................................... 35
Prime Condensate Trap With Water .................... 36
Purge Gas Lines ................................... 37
Sequence of Operation ............................. 37
Heating Mode ................................. 37
Cooling Mode ................................ 40
Thermidistat Mode ............................. 40
Continuous Blower Mode ........................ 41
Heat Pump Mode .............................. 41
Component Test ............................... 41
Adjustments ........................................ 42
Set Gas Input Rate ............................. 42
Set Temperature Rise ............................ 48
Adjust Blowe* Off Delay (Heat Mode) ................ 49
Set Thermostat Heat Anticipator .................... 49
(hock Safe w Controls ............................... 49
Check Primmy Limit Control ...................... 49
Check Pressure Switch .......................... 49
( hecklist .......................................... 50
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 101 Catalog No. 535-80157 Printed in U.S.A. Form 58MXA-18SI Pg 1 2-05 Replaces: 58MXA-17SI