Carrier 50TC installation instructions Table Of Contents, Safety Considerations

50TC

Single Package Rooftop, 50Hz

Cooling Only

Sizes 07, 08, 09, and 12

with Puronr (R---410A) Refrigerant

Installation Instructions

NOTE: This manual discusses only the mechanical installation of this unit. Star-up procedures, operating sequences and service instructions are included in a separate Service/Maintenance manual which is not included with this unit. Other manuals may be required for specific factory-installed options.

Read through the entire installation instruction manual before starting the installation, to familiarize yourself with all steps and to identify additional reference materials required.

Contact your local Carrier representative for additional service reference materials.

TABLE OF CONTENTS

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 1 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Step 1 - Plan for Unit Location . . . . . . . . . . . . . . . . . . 6 Step 2 - Plan for Sequence of Unit Installation . . . . . . 7 Step 3 - Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Step 4 - Provide Unit Support . . . . . . . . . . . . . . . . . . . 7 Step 5 - Field Fabricate Ductwork . . . . . . . . . . . . . . . 10 Step 6 - Rig and Place Unit . . . . . . . . . . . . . . . . . . . . 11 Step 7 - Convert to Horizontal & Connect Ductwork 11 Step 8 - Install Outside Air Hood . . . . . . . . . . . . . . . 11 Step 9 - Install External Condensate Trap and Line . 13 Step 10 - Make Electrical Connections . . . . . . . . . . . 13 Step 11 - Adjust Factory-Installed Options . . . . . . . . 35 Step 12 - Install Accessories . . . . . . . . . . . . . . . . . . . 35

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, 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 for special requirements. In absence of local codes, it is recommended that the USA standard ANSI/NFPA 70, National Electrical Code (NEC), be followed.

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 words DANGER, WARNING, 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.