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General| Brand | Carrier |
|---|---|
| Model Number | 59MN7B |
| Category | Furnace |
| Type | Gas |
| Efficiency | Up to 98.5% AFUE |
| Heating Capacity | 40, 000 - 120, 000 BTU/h |
| Stages | Modulating |
| Blower Motor | Variable-speed |
| Fuel Type | Natural Gas |
| Warranty | Lifetime heat exchanger limited warranty; 10-year parts limited warranty upon registration |
Covers warnings for fire, explosion, electrical shock, and carbon monoxide poisoning.
Explains the meaning of DANGER, WARNING, and CAUTION signal words.
Details specific warnings for fire, injury, and death hazards.
Lists applicable safety codes for installations in the US and Canada.
Specifies general installation codes and contact information for standards bodies.
Details codes for air for combustion and ventilation requirements.
References standards for duct systems and acoustical lining.
Outlines codes for gas piping and pressure testing.
Specifies electrical connection codes for US and Canada.
References codes for condensate drain connections.
Caution regarding potential unit component damage from ESD.
Hazard notice for personal injury and property damage due to location.
General guidelines for furnace placement and proximity to utilities.
Guidance on locating the furnace relative to cooling equipment.
Overview of air requirements for combustion and ventilation.
Details for direct vent (2-pipe) furnace air requirements.
Requirements for ventilated combustion air systems.
Caution regarding air contaminants that can corrode heat exchangers.
Guidance on providing outdoor air for combustion, ventilation, and dilution.
Instructions for condensate trap in upflow furnace orientation.
Procedure for relocating the condensate trap in downflow orientation.
Instructions for condensate trap in horizontal furnace orientation.
Warnings for frozen pipes and property damage related to condensate drains.
Detailed steps for connecting the condensate drain on the right side.
Detailed steps for connecting the condensate drain on the left side.
Instructions for condensate drain connections in horizontal orientation.
Notice regarding furnace air leakage certification.
Guidance for upflow installation and supply air connections.
Instructions for connecting return air ducts.
Instructions for installing leveling legs if desired.
Details on platform and suspended furnace support methods.
Information on configuring combustion air inlet pipes.
Guidelines for installing vent terminations, including roof and concentric types.
Notice regarding state/local standards and restrictions on duct practices.
General guidelines for designing and sizing duct systems.
Information on proper selection of filters and associated ductwork.
Guidelines for acoustical treatment of ductwork.
Warnings for fire and explosion hazards related to gas piping.
References national and local codes for gas piping installation.
Table providing maximum pipe capacity based on length and size.
Warnings for electrical shock, fire, and explosion hazards.
Instructions for installing J-boxes and external electrical boxes.
Details on 24-V wiring, thermostat connections, and accessory wiring.
Instructions for connecting accessories like EAC and humidifiers.
Guidance on using generators or other alternate power supplies.
Considerations for planning the venting system.
Important notices for polypropylene venting system installation.
Special venting requirements for installations in Canada.
Approved materials for combustion-air and vent pipes in the USA.
Guidelines for locating vent terminations relative to structure and environment.
Specific clearance requirements for inside corner vent terminations.
Clearance requirements for direct vent terminations based on national codes.
Clearance requirements for ventilated combustion air terminations.
Instructions for attaching combustion air pipes.
Methodology for calculating total equivalent vent length.
Notice regarding potential nuisance smoke or odor complaints.
Basic requirements for furnace start-up and grounding.
Guide to configuring furnace setup switches for various applications.
Procedure for adjusting manifold pressure for proper input rate.
Steps for checking and adjusting furnace temperature rise.
Instructions for adjusting blower off delay settings.
Adjusting blower speed for cooling and continuous fan operation.
Sequence of operation for heat pump installations.
General guidelines for furnace service and maintenance.
Information on electrical controls, wiring, and troubleshooting.
A guide to diagnosing and resolving furnace operational problems.
Procedure for initiating and performing furnace component self-tests.
Instructions for cleaning and replacing the air filter.
Procedure for cleaning the blower motor and wheel.
Steps for cleaning burners and the flame sensor.
Instructions for checking and servicing the hot surface igniter.
Procedure for flushing the collector box and drainage system.
Steps for cleaning the condensate drain and trap.
Instructions for cleaning primary and secondary heat exchangers.
Steps to follow for winterizing the furnace in cold environments.
Describes heating operation with single-stage and two-stage thermostats.
Details furnace operation during cooling cycles.
Explains furnace operation during dehumidification cycles.
Describes how the blower operates in continuous mode.
Sequence of operation for heat pump installations.
List of replaceable parts for the furnace casing.
List of replaceable electrical components.
List of replaceable parts for the blower assembly.
List of replaceable filter components.
List of replaceable gas control components.
List of replaceable heat exchanger components.
List of replaceable inducer assembly components.
