Bryant 577D----A Air Conditioner User Manual


 
1
577D----A
EVOLUTIONR
15 SEER SINGLE--PACKAGED AIR CONDITIONER AND GAS FURNACE
SYSTEM WITH PURONR (R--410A) REFRIGERANT
SINGLE PHASE
2--5 NOMINAL TONS (SIZES 24--60)
Installation Instructions
EQUIPMENT OPERATION HAZARD
Failure to follow this cautio n may result in improper uni t
operation.
OAT sensor must be field installed. See Accessory
Installation for more details.
CAUTION
!
EQUIPMENT OPERATION HAZARD
Failure to follow this cautio n may result in improper uni t
operation.
This Evolutionr unit is designed for use with an Evolution
User Interface.
CAUTION
!
NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS 2.........................
INTRODUCTION 2...................................
RECEIVING AND INSTALL ATION 2--13.................
Check Equipment 2..................................
Identify Unit 2....................................
Inspect Shipm ent 2.................................
Provide Unit Support 2...............................
Roof Curb 2......................................
Slab Mount 3.....................................
Provide Clearances 3.................................
Rig a nd Pl ace Unit 3.................................
Inspection 3......................................
Rigging/Lifting of Unit 9............................
Select and Install Ductwork 9...........................
Configuring Units for Downflow (Vertical) Discharge 10...
Provide for Condensate Disposal 10.....................
Install Flue Hood 11..................................
Install Gas Piping 11.................................
Install Electrical Connections 12........................
High--Voltage Connections 12........................
Routing Power Leads Into Unit 12.....................
Connecting Ground Lead to Ground Screw 12...........
Routing Control Power Wires 13.....................
Accessory Installation 13............................
Special Procedures for 208--v Operation 13..............
PRE--START--UP 16...................................
START--UP 16--29.....................................
Unit Start--Up and Troubleshooting 16...................
Sequence of Operation 23.............................
Check for Refrige rant Leaks 28.........................
Start--Up Adjustments 28..............................
A09032
Fig. 1 -- Unit 577D----A
Checking Cooling and Heating Control Operation 28......
Checking and Adjusting Refrigerant Charge 28...........
Refrigerant Charge 29..............................
No Charge 29.....................................
Low Charge Cooling 29.............................
To Use Cooling Charging Charts 29....................
Non--Communicating Emergency Cooling/Heating Mode 29..
MAINTENANCE 31--34................................
Air Filter 31........................................
Indoor Fan and Motor 31..............................
Inducer Blower 31...................................
Limit Switch 31.....................................
Burner Ignition 31...................................
Main Burners 31....................................
Inducer Pressure S witch 32............................
Outdoor Coil, Indoor Coil, and Condensate Drain Pan 32.....
Outdoor Fan 32.....................................
Electrical Controls and W iring 32.......................
Refrigerant Circuit 33.................................
Indoor Airflow 33...................................
Pressure Switches 33.................................
L o s s -- o f -- C h a r g e S w i t c h 3 3............................
High--Pressure Switches 33............................
Copeland Scroll Compressor (Puron
®
Refrigerant) 33........
Refrigerant System 33................................
Refrigerant 33....................................
Compressor Oil 33.................................
Servicing Systems on Roofs with Synthetic Materials 33....
Liquid--Line Filter Drier 34..........................
Puron (R--410A) Refrigerant Charging 34...............
TROUBLESHOOTING 34..............................
FINAL CHECKS 35...................................
CARE AND MAINTENANCE 35........................
START --UP CHECKLIST 39............................