Bryant 581J 04A Series Service And Maintenance Instructions

581J 3 to 12.5 Nominal Tons
Single Package Rooftop Gas Heat/Electric Cooling
with Puron r (R-410A) Refrigerant
Sizes: 04-14
Service and Maintenance Instructions
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
UNIT ARRANGEMENT AND ACCESS
RETURN AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . .
SUPPLY FAN (BLOWER) SECTION
2 SPEED FAN WITH VARIABLE FREQUENCY
DRIVE (VFD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADDITIONAL VARIABLE FREQUENCY DRIVE
(VFD) INSTALLATION AND TROUBLESHOOTING. 9
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTATIC EXPANSION VALVE (TXV)
PURONR (R- 410A) REFRIGERANT
COOLING CHARGING CHARTS
COMPRESSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONVENIENCE OUTLETS
SMOKE DETECTORS . . . . . . . . . . . . . . . . . . . . . . . . .
SENSOR AND CONTROLLER TESTS
PROTECTIVE DEVICES
GAS HEATING SYSTEM
RTU- OPEN CONTROL SYSTEM
SENSORY/ACCESSORY INSTALLATION
ADDITIONAL RTU- OPEN INSTALLATION AND
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . .
ECONOMIZER UNITS . . . . . . . . . . . . . . . . . . . . . . . .
PRE- START- UP/START- UP
START- UP, GENERAL . . . . . . . . . . . . . . . . . . . . . . . .
START- UP, RTU- OPEN CONTROLS
FASTENER TORQUE VALUES
APPENDIX I. MODEL NUMBER SIGNIFICANCE
APPENDIX II. PHYSICAL DATA
APPENDIX III. FAN PERFORMANCE
APPENDIX IV WIRING DIAGRAMS
APPENDIX V. MOTORMASTER SENSOR
LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNIT START-UP CHECKLIST
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment
can be hazardous due to system pressure and electrical
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . . . .
. . . .
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . .
. . . . . . . .
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
components. Only trained and qualified service personnel
should install,
1
equipment. Untrained personnel can perform the basic
2
maintenance functions of replacing filters. Trained service
personnel should perform all other operations.
3
4
When working on air-conditioning equipment, observe
precautions in the literature, tags and labels attached to
the unit, and other safety precautions that may apply.
8
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloth for unbrazing operations.
Have fire extinguishers available for all brazing
9
operations.
13
Follow all safety codes. Wear safety glasses and work
15
gloves. Use quenching cloth for brazing operations. Have
16
fire extinguisher available. Read these instructions
18
thoroughly and follow all warnings or cautions attached to
the unit. Consult local building codes and National
22
Electrical Code (NEC) for special requirements.
25
Recognize safety information. This is the safety ALERT
26
symbol . When you see this symbol on the unit and in
30
instructions or manuals, be aware of the potential for
33
physical injury hazards.
34
Understand the signal words DANGER, WARNING, and
49
CAUTION. These words are used with the safety- ALERT
49
symbol. DANGER indicates a hazardous situation which,
if not avoided, will result in death or severe personal
injury. WARNING indicates a hazardous situation which,
50
if not avoided, could result in death or personal injury.
52
CAUTION indicates a hazardous situation which, if not
60
avoided, could result in minor to moderate injury or
61
product and property damage. NOTICE is used to address
64 practices not related to physical injury. NOTE is used to
highlight suggestions which will result in enhanced
64
installation, reliability, or operation.
. 65
!
66
73
ELECTRICAL OPERATION HAZARD
92
Failure to follow this warning could result in personal
injury or death.
136
Before performing service or maintenance operations
139
on unit, LOCK- OUT/TAGOUT the main power
switch to unit. Electrical shock and rotating equipment
could cause severe injury.
repair, or service air-conditioning
WARNING