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Carrier 50SS018-060, 50SX024-060 Fig. 8 Dimensions; Units 50SX042-060 Without Base Rail (cont)

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REQUIRED CLEARANCES TO COMBUSTIBLE MATERIAL — in. (mm)

Unit Top ........................................14(356)

Duct Side of Unit ...................................2(51)

Side Opposite Ducts ...............................14(356)

Bottom of Unit .........................................0

Vertical Discharge First 12 in. (305) of Supply Duct ...........1(25)

NECESSARY REQUIRED CLEARANCES — in. (mm)

Between Units, Control Box Side .....................42(1067)

Unit and Ungrounded Surfaces, Control Box Side ...........36(914)

Unit and Block or Concrete Walls and Other Grounded

Surfaces, Control Box Side .........................42(1067)

REQUIRED CLEARANCES FOR SERVICING — in. (mm)

Evaporator Coil Access Side .........................30(762)

Control Box Access Side ............................30(762)

(Except for Necessary Requirements)

Unit Top ........................................36(914)

Side Opposite Ducts ...............................30(762)

NOTES:

1. Clearances must be maintained to prevent recirculation of air from outdoor-

fan discharge.

2. Dimensions in ( ) are in millimeters.

LEGEND

CG — Center of Gravity NEC — National Electrical Code

COND — Condenser REQ’D — Required

MAT’L — Material

UNIT

50SX ELECTRICAL

CHARACTERISTICS UNIT WT CORNER WT (Lb/Kg)

Lb Kg A B C D

042 208/230-1-60, 208/230-3-60, 460-3-60 309 140 84/38 59/27 119/54 47/21

048 208/230-1-60, 208/230-3-60, 460-3-60 340 155 84/38 70/32 133/60 53/24

060 208/230-1-60, 208/230-3-60 359 163 65/30 99/45 120/55 75/34

UNIT

50SX CENTER OF GRAVITY (in./mm)

XYZ

042 21.0/533 20.1/510 15.4/390

048 21.8/553 19.7/499 15.4/390

060 22.2/565 19.8/503 13.4/340

Fig. 8 — Dimensions; Units 50SX042-060 Without Base Rail (cont)

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Contents

Main Installation, Start-Up and Service Instructions CONTENTS SAFETY CONSIDERATIONS General 50SS018-060 50SX024-060 Single-Package Cooling Units Fig. 2 Dimensions; Units 50SS018-042 Without Base Rail Fig. 3 Dimensions; Units 50SS018-042 with Optional Base Rail Fig. 4 Dimensions; Units 50SS048,060 Without Base Rail Fig. 5 Dimensions; Units 50SS048,060 With Optional Base Rail Fig. 6 Dimensions; Units 50SX024-036 Without Base Rail Fig. 7 Dimensions; Units 50SX024-036 With Optional Base Rail Page Fig. 8 Dimensions; Units 50SX042-060 Without Base Rail (cont) Page Fig. 9 Dimensions; Units 50SX042-060 With Optional Base Rail (cont) Fig. 10 Roof Curb Dimensions RECEIVING AND INSTALLATION Step 1 Check Equipment Step 2 Provide Unit Support Step 3 Provide Clearances Step 4 Rig and Place Unit Fig. 12 Suggested Rigging for Units with Optional Base Rail Fig. 11 Suggested Rigging for Units Without Base Rail Table 1 Physical Data Unit 50SS Table 2 Physical Data Unit 50SX Step 5 Select and Install Ductwork Page Page Page Step 6 Provide for Condensate Disposal Step 7 Install Electrical Connections Table 4A Electrical Data 50SS Units Never operate a motor where a phase imbalance in supply volt- age is greater than 2%. Table 4B Electrical Data 50SX Units Never operate a motor where a phase imbalance in supply volt- age is greater than 2%. Page Fig. 33 Units 50SX048,060 208/230-1-60, Integrated Control Motor Wiring Schematic Fig. 32 Easy Select Interface Board PRE-START-UP START-UP Check for Refrigerant Leaks Start-Up Cooling Section and Make Adjustments Page Table 5C Superheat Charging Table, 50SS030 Table 5D Superheat Charging Table, 50SS036 Table 5E Superheat Charging Table, 50SS042 Table 5F Superheat Charging Table, 50SS048 (Carrier Scroll Compressor) Table 5G Superheat Charging Table, 50SS048 (Copeland Scroll Compressor) Table 5H Superheat Charging Table, 50SS060 (Carrier Scroll Compressor) Table 5I Superheat Charging Table, 50SS060 (Copeland Scroll Compressor) Table 6A Superheat Charging Table, 50SX024 Table 6B Superheat Charging Table, 50SX030 Table 6C Superheat Charging Table, 50SX036 Table 6D Superheat Charging Table, 50SX042 Table 6E Superheat Charging Table, 50SX048 Table 6F Superheat Charging Table, 50SX060 Table 7 Required Suction-Tube Temperature (F)* Page Page Table 8 Dry Coil Air Delivery* Horizontal Discharge (Deduct 10% for 208 v) Unit 50SS Table 9 Dry Coil Air Delivery* Vertical Discharge (Deduct 10% for 208 v) Unit 50SS Table 10 Dry-Coil Air Delivery* Horizontal Discharge (Deduct 10% for 208 V) Unit 50SX Table 11 Dry-Coil Air Delivery* Vertical Discharge (Deduct 10% for 208 V) Unit 50SX Table 13 Wet Coil Pressure Drop Table 14 Accessory Electric Heater Pressure Drop (in. wg) Table 15 Filter Pressure Drop (in. wg) MAINTENANCE Air Filter Unit Top Removal Evaporator Blower and Motor Condenser Coil, Evaporator Coil, and Conden- sate Drain Pan Condenser Fan Electrical Controls and Wiring Refrigerant Circuit Evaporator Airow TROUBLESHOOTING COOLING CHART TROUBLESHOOTING COOLING CHART (cont) Page Page PACKAGED SERVICE TRAINING Page START-UP CHECKLIST (Remove and Store in Job File) I. PRELIMINARY INFORMATION II. PRE-START-UP (insert checkmark in box as each item is completed) III. START-UP