Carrier 58MVP080 User Manual

58MVP
4-Way Multipoise Direct-Vent
Variable-Capacity Condensing Gas Furnace
Installation, Start-Up, and Operating Instructions
For Sizes 040—120, Series 140 and 150
This symbol → indicates a change since the last issue.
Index Page
DIMENSIONAL DRAWING........................................................3
SAFETY CONSIDERATIONS.....................................................2
Clearances to Combustibles......................................................4
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS........2
INTRODUCTION.......................................................................2-4
APPLICATIONS ......................................................................5-11
General ......................................................................................5
Upflow Applications..............................................................5-7
Downflow Applications.........................................................7-8
Horizontal Left (Supply-Air Discharge) Applications.......8-10
Horizontal Right (Supply-Air Discharge) Applications...10-11
LOCATION ............................................................................11-13
General...............................................................................11-12
Low-Fire Only Installation.....................................................13
Furnace Location Relative to Cooling Equipment ................13
Hazardous Locations...............................................................13
INSTALLATION....................................................................13-14
Leveling Legs (If Desired).....................................................13
Installation In Upflow or Downflow Applications ..........14-15
Installation In Horizontal Applications..................................14
AIR DUCTS............................................................................14-18
General Requirements.............................................................14
Ductwork Acoustical Treatment.............................................14
Supply-Air Connections..........................................................14
Return-Air Connections..........................................................14
Filter Arrangement ............................................................16-17
Bottom Closure Panel.............................................................17
Gas Piping..........................................................................17-18
ELECTRICAL CONNECTIONS...........................................18-22
115-v Wiring......................................................................18-19
24-v Wiring.............................................................................19
Accessories ........................................................................21-22
DIRECT VENTING ...............................................................22-31
Removal of Existing Furnaces from
Common Vent Systems.....................................................23
Combustion-Air and Vent Piping...........................................23
Concentric Vent and Combustion-Air Termination
Kit Installation..............................................................28-31
Multiventing and Vent Terminations.....................................31
CONDENSATE DRAIN ........................................................31-33
General...............................................................................31-32
Application..............................................................................31
Condensate Drain Protection..................................................31
SEQUENCE OF OPERATION..............................................33-36
Self-Test Mode........................................................................33
Heating Mode..........................................................................33
Heating Mode—Two Stage....................................................34
Emergency Heat Mode...........................................................34
Cooling Mode .........................................................................34
Heat Pump Mode...............................................................34-35
Continuous Fan Mode.......................................................35-36
Component Test......................................................................36
Bypass Humidifier Mode........................................................36
Dehumidification Mode..........................................................36
Zone Mode..............................................................................36
START-UP PROCEDURES ..................................................36-45
General ....................................................................................36
Select Setup Switch Positions ................................................37
Prime Condensate Trap With Water......................................37
Purge Gas Lines......................................................................38
Adjustments .......................................................................38-45
Set Gas Input Rate ............................................................38-44
Set Temperature Rise..............................................................44
A93040
NOTE: Read the entire instruction
manual before starting the installation.
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CERTIFIED
As an ENERGY STAR®
Partner, Carrier Corpora-
tion has determined that
this product meets the EN-
ERGY STAR® guidelines
for energy efficiency.
REGISTERED QUALITY SYSTEM
Fig. 1—Multipoise Orientations
A93041
UPFLOW
DOWNFLOW
HORIZONTAL
LEFT
AIRFLOW
AIRFLOW
AIRFLOW
AIRFLOW
HORIZONTAL
RIGHT
Visit www.carrier.com
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 6a 8a
PC 101 Catalog No. 535-80021 Printed in U.S.A. Form 58MVP-11SI Pg 1 2-01 Replaces: 58MVP-10SI

Carrier 58MVP080 Specifications

General

Model	58MVP080
Blower Motor	Variable Speed
Fuel Type	Natural Gas
Warranty	10-Year Parts Limited Warranty
Stages	Two-Stage
Ignition Type	Hot Surface Ignition
Heating Capacity	80, 000 BTU/h
Heat Exchanger Warranty	Lifetime

Summary

Safety Considerations

Clearances to Combustibles

Minimum required distances from furnace to combustible materials for safe operation.

Electrostatic Discharge Precautions

Procedures to protect electronic components from static discharge damage during installation.

Introduction

Applications

Upflow Applications

Details for installing the furnace in an upflow configuration, blower below.

Downflow Applications

Instructions for installing the furnace in a downflow configuration, blower above.

Horizontal Applications

Guidance for installing the furnace in horizontal left or right discharge orientations.

Location

General Location Requirements

Guidelines for selecting a suitable indoor location for the furnace.

Hazardous Locations

Precautions and requirements for installing the furnace in garages or other hazardous areas.

Installation

Leveling Legs

Procedure for installing optional leveling legs on the furnace base.

Horizontal Installation

Specific instructions for supporting the furnace when installed in a horizontal orientation.

Air Ducts

General Ductwork Requirements

Standards and guidelines for designing and installing air duct systems.

Filter Arrangement

Information on locating and installing air filters within the furnace or external cabinets.

Electrical Connections

115-v Wiring

Instructions for making the main power connections to the furnace.

24-v Wiring

Details on connecting thermostat and control wiring to the 24-v terminal block.

Direct Venting

Combustion-Air and Vent Piping

Guidelines for installing and sizing combustion air and vent pipes.

Vent Termination

Requirements for terminating vent and combustion air pipes outside the structure.

Condensate Drain

Condensate Drain Protection

Methods to protect condensate trap and lines from freezing, including heat tape.

Sequence of Operation

Heating Modes

Describes operation during various heating cycles, including stages and emergency heat.

Cooling and Heat Pump Modes

Explains furnace operation when connected to cooling or heat pump systems.

Start-Up Procedures

Select Setup Switch Positions

Guide to setting internal switches for specific furnace configurations and accessories.

Set Gas Input Rate

Procedure for adjusting gas input rate based on altitude and gas properties.

Set Temperature Rise

Method for measuring and ensuring proper air temperature rise across the heat exchanger.

Check Safety Controls

Primary Limit Control

Procedure to test the primary limit control for proper overheat shutoff function.

Pressure Switches

Steps to verify the operation of draft inducer pressure switches.

Checklist