Safety Considerations - Carrier WeatherMaster 50HCQ04-12 Service And Maintenance Instructions

CONTENTS (CONT)
FIOP Smoke Detector Wiring and Response . . . . . . 29
SENSOR AND CONTROLLER TESTS. . . . . . . . . . . . . 30
Sensor Alarm Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Controller Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Dirty Controller Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Dirty Sensor Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Changing the Dirt Sensor Test. . . . . . . . . . . . . . . . . . . 30
Remote Station Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
SD-TRK4 Remote Alarm Test Procedure . . . . . . . . . 31
Remote Test/Reset Station Dirty Sensor Test . . . . . 31
Dirty Sensor Test Using an SD-TRK4. . . . . . . . . . . . . 31
Detector Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
PREMIERLINK™ CONTROLLER . . . . . . . . . . . . . . . . . .33
RTU OPEN CONTROL SYSTEM . . . . . . . . . . . . . . . . . . 33
Sensor/Accessory Installation . . . . . . . . . . . . . . . . . . . .33
Additional RTU Open Installation
and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . .34
PRE-START-UP/START-UP . . . . . . . . . . . . . . . . . . . . . . 36
START-UP, GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Additional Installation/Inspection . . . . . . . . . . . . . . . . 36
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Outdoor-Air Inlet Screens . . . . . . . . . . . . . . . . . . . . . . . 36
Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Ventilation (Continuous Fan) . . . . . . . . . . . . . . . . . . . . .37
START-UP, PREMIERLINK CONTROLLER . . . . . . . . 37
Perform System Check-Out . . . . . . . . . . . . . . . . . . . . . .37
START-UP, RTU OPEN CONTROLS . . . . . . . . . . . . . . 38
FASTENER TORQUE VALUES . . . . . . . . . . . . . . . . . . . 38
APPENDIX A - MODEL NUMBER
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
APPENDIX B - PHYSICAL DATA . . . . . . . . . . . . . . . . .40
APPENDIX C - FAN PERFORMANCE. . . . . . . . . . . . .42
APPENDIX D - ELECTRICAL INFORMATION. . . . . 54
APPENDIX E - WIRING DIAGRAMS . . . . . . . . . . . . . 84
APPENDIX F - MOTORMASTER
LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
UNIT START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . C-1
Page
® SENSOR
2

SAFETY CONSIDERATIONS

Improper installation,
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.
Follow all safety codes. Wear safety glasses and work gloves.
Use quenching cloths for brazing operations and have a fire
extinguisher available. Read these instructions thoroughly and
follow all warnings or cautions attached to the unit. Consult
local building codes and appropriate national electrical codes
(in USA, ANSI/NFPA70, National Electrical Code (NEC); in
Canada, CSA C22.1) for special requirements.
It is important to recognize safety information. This is the
safety-alert symbol . When you see this symbol on the unit
and in instructions or manuals, be alert to the potential for
personal injury.
Understand the signal
CAUTION, and NOTE. These words are used with the safety-
alert symbol. DANGER identifies the most serious hazards
which will result in severe personal injury or death.
WARNING signifies hazards which could result in personal
injury or death. CAUTION is used to identify unsafe practices,
which may result in minor personal injury or product and
property damage. NOTE is used to highlight suggestions
which will result in enhanced installation, reliability, or
operation.
WARNING
Electrical shock can cause personal injury and death. Shut off
all power to this equipment during installation. There may be
more than one disconnect switch. Tag all disconnect locations
to alert others not to restore power until work is completed.
WARNING
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal inju-
ry or death.
Units with convenience outlet circuits may use multiple
disconnects. Check convenience outlet for power status
before opening unit for service. Locate its disconnect
switch, if appropriate, and open it. Lock-out and tag-out
this switch, if necessary.
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could cause personal injury,
death and/or equipment damage.
Puron ® (R-410A) refrigerant systems operate at higher pres-
sures than standard R-22 systems. Do not use R-22 service
equipment or components on Puron refrigerant equipment.
adjustment, alteration,
words DANGER, WARNING,
service,