Bryant 355MAV User Manual

NOTE: Read the entire instruction manual before starting the installation.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS.....................................................................................................................................................................................3
INTRODUCTION..........................................................................................................................................................................................................3
CODES AND STANDARDS .......................................................................................................................................................................................3
ELECTROSTATIC DISCHARGE (ESD) PRECAUTION PROCEDURE ................................................................................................................6
APPLICATIONS ...........................................................................................................................................................................................................6
General......................................................................................................................................................................................................................6
Upflow Applications ...........................................................................................................................................................................................7
Condensate Trap Location (Factory-Shipped Orientation) ..........................................................................................................................7
Condensate Trap Tubing (Factory-Shipped Orientation) .............................................................................................................................7
Condensate Trap Location (Alternate Upflow Orientation).........................................................................................................................7
Condensate Trap Tubing (Alternate Upflow Orientation) ...........................................................................................................................8
Condensate Trap Field Drain Attachment ....................................................................................................................................................9
Pressure Switch Tubing.................................................................................................................................................................................9
Upper Collector Box and Inducer Housing (Unused) Drain Connections ..................................................................................................9
Condensate Trap Freeze Protection ..............................................................................................................................................................9
Downflow Applications............................................................................................................................................................................9
Condensate Trap Location.............................................................................................................................................................................9
Condensate Trap Tubing .............................................................................................................................................................................10
Condensate Trap Field Drain Attachment ..................................................................................................................................................11
Pressure Switch Tubing...............................................................................................................................................................................11
Condensate Trap Freeze Protection ............................................................................................................................................................11
Horizontal Left (Supply-Air Discharge) Applications ..........................................................................................................................11
Condensate Trap Location...........................................................................................................................................................................11
Condensate Trap Tubing .............................................................................................................................................................................11
Condensate Trap Field Drain Attachments.................................................................................................................................................12
Pressure Switch Tubing...............................................................................................................................................................................12
Condensate Trap Freeze Protection ............................................................................................................................................................12
Construct a Working Platform ....................................................................................................................................................................12
Horizontal Right (Supply-Air Discharge) Applications........................................................................................................................13
Condensate Trap Location...........................................................................................................................................................................13
Condensate Trap Tubing .............................................................................................................................................................................13
Condensate Trap Field Drain Attachment ..................................................................................................................................................14
Pressure Switch Tubing...............................................................................................................................................................................14
Condensate Trap Freeze Protection ............................................................................................................................................................15
Construct a Working Platform ....................................................................................................................................................................15
ama
CERTIFIED
®
As an ENERGY STAR
®
Partner, Bryant Heating
& Cooling Systems has
determined that this
product meets the
ENERGY STAR
®
guidlines
for energy efficiency.
REGISTERED QUALITY SYSTEM
Installation, Start-up, and Operating Instructions
355MAV
Series F
Deluxe 4-Way Multipoise
Variable-Capacity Direct-Vent
Condensing Gas Furnace
Form: II 355M-40-11 Cancels: New Printed in U.S.A. 03-02 Catalog No. 5335-518

Bryant 355MAV Specifications

General

Model	355MAV
Type	Gas Furnace
Efficiency Rating	High Efficiency
Blower Motor	Variable Speed
Ignition Type	Hot Surface Ignition
Fuel Type	Natural Gas
Stages	Two-Stage
Warranty	Lifetime heat exchanger limited warranty; 10-year parts limited warranty upon registration

Summary

Safety Considerations

Codes and Standards

Requirements for installation according to national and local codes.

Installation

Procedure 2-Installation in Upflow and Downflow Applications

Details on installing the furnace in upflow and downflow orientations.

Electrostatic Discharge (ESD) Precaution Procedure

Procedure 2-Upflow Applications

Procedure 3-Downflow Applications

Procedure 4-Horizontal Left (Supply-Air Discharge) Applications

Procedure 5-Horizontal Right (Supply-Air Discharge) Applications

Procedure 3-Installation in Horizontal Applications

Procedure 7-Gas Piping

Procedure 8-Electrical Connections

A. 115-V Wiring

Instructions for making 115-volt electrical connections to the furnace.

B. 24-V Wiring

Instructions for making 24-volt thermostat and control wiring connections.

Procedure 9-Direct Venting

B. Combustion-Air and Vent Piping

Procedure 10-Condensate Drain

Sequence of Operation

Procedure 2-Heating Mode

Procedure 3-Heating Mode-Two Stage

Procedure 5-Cooling Mode

Start-Up Procedures

Procedure 2-Select Setup Switch Positions

How to set the furnace's configuration switches.

Procedure 5-Adjustments

A. Set Gas Input Rate

How to set the correct gas input rate for the furnace.

Procedure 6-Check Safety Controls

A. Check Primary Limit Control

B. Check Pressure Switches

Procedure 7-Checklist