Safety Considerations - Bryant 548J***D Series Installation Instructions Manual

Setup and Configuration
Time- - out and Screensaver
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . .
Enthalpy Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Two- - Speed Fan Operation
Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Initial Menu Display . . . . . . . . . . . . . . . . . . . . . . . .
Power Loss (Outage or Brownout)
Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checkout Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearing Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RTU Open Control System
Supply Air Temperature (SAT) Sensor
Outdoor Air Temperature (OAT) Sensor
EconoMi$er R 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Space Temperature (SPT) Sensors
Indoor Air Quality (CO
Outdoor Air Quality Sensor
Smoke Detector/Fire Shutdown (FDS)
Space Relative Humidity Sensor or Humidistat
Connecting Discrete Inputs
Communication Wiring - - Protocols
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RTU Open Troubleshooting
Outdoor Air Enthalpy Control
Differential Enthalpy Control
Smoke Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Return Air Sensor Tube Installation
Smoke Detector Test Magnet
Additional Application Data
Step 11 - - Adjust Factory- - Installed Options
Step 12 - - Install Accessories
Step 13 - - Check Belt Tension
START- - UP CHECKLIST

SAFETY CONSIDERATIONS

Improper installation, adjustment,
maintenance, or use can cause explosion, fire, electrical
shock or other conditions which may cause personal injury
or property damage. Consult a qualified installer, service
agency, or your distributor or branch for information or
assistance. The qualified installer or agency must use
factory- - authorized kits or accessories when modifying this
product. Refer to the individual instructions packaged with
the kits or accessories when installing.
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alteration, service,
31 Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloths for brazing operations and
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have a fire extinguisher available. Read these instructions
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thoroughly and follow all warnings or cautions attached to
40 the unit. Consult local building codes and appropriate
national electrical codes (in USA, ANSI/NFPA70,
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National Electrical Code (NEC); in Canada, CSA C22.1)
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for special requirements.
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It is important to recognize safety information. This is the
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safety- - alert symbol
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unit and in instructions or manuals, be alert to the
potential for personal injury.
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Understand the signal words DANGER, WARNING,
CAUTION, and NOTE. These words are used with the
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safety- - alert symbol. DANGER identifies the most serious
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hazards which will result in severe personal injury or
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death. WARNING signifies hazards which could result in
personal injury or death. CAUTION is used to identify
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unsafe practices, which may result in minor personal
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injury or product and property damage. NOTE is used to
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highlight suggestions which will result in enhanced
installation, reliability, or operation.
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ELECTRICAL SHOCK HAZARD
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Failure to follow this warning could cause personal
injury or death.
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Before performing service or maintenance operations
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on unit, always turn off main power switch to unit and
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install lockout tag. Unit may have more than one
power switch.
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UNIT OPERATION AND SAFETY HAZARD
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Failure to follow this warning could cause personal
injury, death and/or equipment damage.
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Puronr (R- - 410A) refrigerant systems operate at
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higher pressures than standard R- - 22 systems. Do not
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use R- - 22 service equipment or components on Puron
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refrigerant equipment.
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PERSONAL INJURY AND ENVIRONMENTAL
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HAZARD
Failure to follow this warning could cause personal
injury or death.
Relieve pressure and recover all refrigerant before
system repair or final unit disposal.
Wear safety glasses and gloves when handling
refrigerants. Keep torches and other ignition sources
away from refrigerants and oils.
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. When you see this symbol on the
WARNING
WARNING
WARNING