Carrier 30XW150-400 specifications Contents, Safety Considerations

CONTENTS (cont)

Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

•SUCTION SERVICE VALVE

•LOW FLUID TEMPERATURE

•LOSS OF FLUID FLOW PROTECTION

•TUBE PLUGGING

•RETUBING

•TIGHTENING COOLER HEAD BOLTS

•INSPECTING/CLEANING HEAT EXHANGERS

•WATER TREATMENT

•CHILLED WATER FLOW SWITCH

Refrigerant Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

•LEAK TESTING

•REFRIGERANT CHARGE

Safety Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

•COMPRESSOR PROTECTION

•COOLER PROTECTION

Relief Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

• PRESSURE RELIEF VALVES

MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Recommended Maintenance Schedule . . . . . . . . . . 67 TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . 67-85 Alarms and Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

• DIAGNOSTIC ALARM CODES AND POSSIBLE CAUSES

Service Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

APPENDIX A — TOUCH PILOT™

DISPLAY TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . 86-104

APPENDIX B — NAVIGATOR™ DISPLAY TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105-117

APPENDIX C — CCN TABLES . . . . . . . . . . . . . . 118-132

APPENDIX D — 30XW150-400 CPM

DIP SWITCH ADDRESSES. . . . . . . . . . . . . . . . 133,134

APPENDIX E — PIPING AND INSTRUMENTATION . . . . . . . . . . . . . . . . . . . . . . 135, 136

APPENDIX F — GLOBAL TIME SCHEDULE

CONFIGURATION FOR i-Vu®DEVICE AND CSM CONTROLLER . . . . . . . . . . . . . . . . . . . . . . . . . . . 137-139

INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

START-UP CHECKLIST

FOR 30XW LIQUID CHILLERS . . . . . . . .CL-1 to CL-7

SAFETY CONSIDERATIONS

Installing, starting up, and servicing this equipment can be hazardous due to system pressures, electrical components, and equipment location. Only trained, qualified installers and ser- vice technicians should install, start up, and service this equip- ment. When working on this equipment, observe precautions in the literature, on tags, stickers, and labels attached to the equip- ment, and any other safety precautions that apply. Follow all safety codes. Wear safety glasses and work gloves. Use care in handling, rigging, and setting this equipment, and in handling all electrical components.

WARNING

Electrical shock can cause personal injury and death. Shut off all power to this equipment during installation and ser- vice. There may be more than one disconnect switch. Tag all disconnect locations to alert others not to restore power until work is completed.

WARNING

DO NOT VENT refrigerant relief valves within a building. Outlet from relief valves must be vented in accordance with the latest edition of ANSI/ASHRAE (American National Standards Institute/American Society of Heating, Refrigerating and Air Conditioning Engineers) 15 (Safety Code for Mechanical Refrigeration). The accumulation of refrigerant in an enclosed space can displace oxygen and cause asphyxiation. Provide adequate ventilation in enclosed or low overhead areas. Inhalation of high concen- trations of vapor is harmful and may cause heart irregulari- ties, unconsciousness or death. Misuse can be fatal. Vapor is heavier than air and reduces the amount of oxygen avail- able for breathing. Product causes eye and skin irritation. Decomposition products are hazardous.

WARNING

DO NOT attempt to unbraze factory joints when servicing this equipment. Compressor oil is flammable and there is no way to detect how much oil may be in any of the refrig- erant lines. Cut lines with a tubing cutter as required when performing service. Use a pan to catch any oil that may come out of the lines and as a gage for how much oil to add to system. DO NOT re-use compressor oil.

CAUTION

This unit uses a microprocessor-based electronic control system. Do not use jumpers or other tools to short out components, or to bypass or otherwise depart from rec- ommended procedures. Any short-to-ground of the con- trol board or accompanying wiring may destroy the electronic modules or electrical components.

CAUTION

To prevent potential damage to heat exchanger tubes, always run fluid through heat exchanger when adding or removing refrigerant charge. Use appropriate antifreeze solutions in evaporator and condenser fluid loops to pre- vent the freezing of heat exchangers or interconnecting pip- ing when the equipment is exposed to temperatures below 32 F (0° C). Proof of flow switch is factory installed on all models. Do NOT remove power from this chiller during winter shut down periods without taking precaution to remove all water from heat exchangers. Failure to properly protect the system from freezing may constitute abuse and may void warranty.

CAUTION

Compressors require specific rotation. Swap any two incoming power leads to correct compressor rotation.

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