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MrCool MGD 96SE XA Series - User Manual

MrCool MGD 96SE XA Series
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The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician.
Please read this manual carefully before installation and keep it for future reference.
Owner & Installation
Manual
Signature Series
MGD*96SE*XA Gas Furnace
Due to updates and constantly improving performance, the information and
instructions within this manual are subject to change without notice. Please visit
www.mrcool.com/documentation to ensure you have the latest version of this manual.
Version Date: 07-29-22
The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician.
Please read this manual carefully before installation and keep it for future reference.
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MrCool MGD 96SE XA Series Specifications

General IconGeneral
ModelMGD 96SE XA Series
Efficiency Rating96% AFUE
Warranty10-Year Parts, Limited Lifetime Heat Exchanger
Heating Capacity40, 000 to 120, 000 BTU/hr
Fuel TypeNatural Gas or Propane
Vent Size2" or 3" PVC

Summary

INSTALLATION INSTRUCTIONS

Unit Dimensions

Displays physical dimensions and specifications of the furnace unit.

Parts Arrangement

Illustrates the location and names of major internal components of the furnace.

Safety and General Information

Provides critical safety warnings, general guidelines, and shipping details.

Locations and Clearances

Specifies required clearances around the furnace for safe installation and operation.

Combustion Air Requirements

Details requirements for supplying adequate air for combustion and ventilation.

Unconfined Space Air Supply

Defines requirements for air supply in unconfined installation spaces.

Confined Space Air Supply

Defines requirements for air supply in confined installation spaces.

Physical Installation Details

Covers essential steps for physically installing the furnace and its components.

Setting Equipment

Provides guidance on leveling and positioning the furnace unit correctly.

Installation Clearances and Flooring

Details clearances and flooring requirements for various installation types.

Duct System Installation

Guides on the proper sizing and installation of air supply and return ductwork.

Pipe & Fittings Specifications

Lists approved materials and standards for vent and condensate piping.

Venting System Installation

Covers essential guidelines and methods for venting exhaust gases safely.

Exhaust and Intake Piping Connections

Illustrates common methods for connecting exhaust and intake piping.

Vent Termination Guidelines

Provides general rules for terminating vent pipes at the exterior of a building.

Vent Termination Clearances

Specifies required clearances for vent terminations in USA and Canada.

Condensate Piping

Guides on the proper installation and routing of the condensate drain line.

Gas Piping and Leak Check

Covers gas connection procedures, including safety and leak testing.

Electrical Connections and Wiring

Details electrical connections, wiring, grounding, and accessory terminal usage.

Thermostat and Wiring Diagrams

Shows thermostat designations and the furnace's typical wiring diagram.

Diagnostic Codes and Unit Start-Up

Lists error codes and provides initial startup procedures for the furnace.

Placing the Furnace into Operation

Details the automatic ignition sequence and initial operation of the furnace.

Priming Condensate Trap

Explains how to fill the condensate trap with water before initial operation.

Gas Pressure and Combustion Adjustments

Guides on measuring, adjusting gas pressure, and ensuring proper combustion.

Supply and Manifold Pressure Measurement

Details procedures for measuring gas supply and manifold pressures.

Proper Combustion Testing

Explains how to check and ensure correct combustion and CO levels.

Altitude Adjustments

Provides tables for pressure settings at different altitudes and gas types.

Venting and Air Supply Testing

Outlines tests to verify correct venting and adequate combustion air supply.

Unit Adjustments and Performance

Covers various adjustable components and performance data for the furnace.

Temperature Rise Adjustment

Explains how to adjust blower speed to achieve proper temperature rise.

Blower Speed and Performance

Provides instructions for setting blower speeds and performance data.

Service and Maintenance

Covers routine maintenance, cleaning, and inspection procedures for the furnace.

Cleaning Heat Exchanger and Burners

Steps for disassembling and cleaning the furnace's heat exchanger and burners.

Winterizing and Condensate Trap Care

Procedures for preparing the unit for winter and maintaining the condensate trap.

Troubleshooting Sequences

Provides diagnostic flowcharts for heating, cooling, and fan operation issues.

Heating Sequence of Operation

A flowchart to diagnose heating operation problems based on furnace behavior.

Cooling Sequence of Operation

A flowchart to diagnose cooling operation problems based on furnace behavior.

Planned Service and Parts

Lists items for annual inspection and available replacement parts for the furnace.

Massachusetts Installation Requirements

Specific installation requirements mandated by Massachusetts state regulations.

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