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

Brand	Carrier
Model	48LC 09
Category	Air Conditioner
Language	English