Carrier 48LC 09 User Manual

1
Controls, Start-- Up, Operation
and Troubleshooting
48/50LC 04---26
Single P ackage Roofto p Units
with SystemV u™ Controls Version 2.X
and Puronr ( R---410A) Refrig er ant
C150173
IMPORTANT: This literature covers 48/50LC 04--26 models with SystemV u controls version 2.X (factory--installed option).
TABLE OF CONTENTS
Page
SAFETY CONSIDERATIONS 2.........................
GENERAL 3.........................................
Conventions Used in This Manual 3......................
BASIC CONTROL USAGE 3...........................
SystemVu Control 3..................................
SystemV u Interface 3.................................
Accessory Navigatort Display 4........................
System Pilott andTouchPilott Devices 5................
CCN Tables and Display 5.............................
START --UP 6.........................................
Unit Preparation 6....................................
Refrigerant Service Ports 6.............................
Crankcase Heater 6...................................
Compressor Rotation 6................................
Power Supply 6.....................................
Internal Wiring 6.....................................
Evaporator Fan 6....................................
Condenser Fans and Motors 7...........................
Return--Air Filters 7..................................
Outdoor--Air Inlet Screens 7............................
Accessory Installation 7...............................
Gas Heat (48LC) 8...................................
CONTROLS QUICK SET--UP 9.........................
Contro l Set Point and Confirmation Log 9.................
Initial Startup 9......................................
Thermostat Control 9.................................
Space Temperature Sensor Control -- Direct Wired
(T--55 or T-- 56 or T-- 59) 9.............................
Space Humidistat Control 9............................
Relative Humidity Sensor Control 9......................
CCN Communication 10..............................
CCN Linkage Control 10..............................
System Pilott -- Communication Space Sensor 10..........
Accessories 10......................................

Carrier 48LC 09 Specifications

General

Model	48LC 09
Category	Air Conditioner
Compressor Type	Rotary
Type	Split
Cooling Capacity	9000 BTU
Refrigerant	R410A
Weight (Indoor Unit)	8 kg
Weight (Outdoor Unit)	23 kg