50TC Single Package Rooftop, 50Hz Cooling Only
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
Installation Instructions
PERSONAL INJURY AND ENVIRONMENTAL HAZARD
UNIT OPERATION AND SAFETY HAZARD
50TC
ELECTRICAL SHOCK HAZARD
Horizontal Connections / Economizer
Fig. 1 - Unit Dimensional Drawing - 07 Size Units
50TC
Vertical Connections / Economizer
C09448
50TC
C09450
50TC
Vertical Connections / Economizer
Horizontal Connections / Economizer
Roof mount
INSTALLATION
Fig. 3 - Service Clearance Dimensional Drawing
Step 1 - Plan for Unit Location
Pad-mountedinstallation
Step 2 - Plan for Sequence of Unit Installation
Table 1 - Operating Weights
Curb-mountedinstallation
50TC
Fig. 4 - Roof Curb Details - 07 Size Units
ACCESSORY
ACCESSORY
C09453
Fig. 5 - Roof Curb Details - 08 - 12 Size Units
50TC
50TC-*08
DETAIL A
Step 5 - Field Fabricate Ductwork
Fig. 6 - Unit Leveling Tolerances
Fig. 7 - Rigging Details
UNIT DAMAGE HAZARD
Step 8 - Install Outside Air Hood
Fig. 9 - Typical Access Panel Locations
Step 6 - Rig and Place Unit
Factory Option
Two Position Damper Hood Removal and Setup
Fig. 12 - Indoor Coil Access Panel Relocation
Fig. 10 - Economizer Parts, Shipping Location
Fig. 16 - Condensate Drain Piping Details
Fig. 14 - Economizer Filter Installation
Step 10 - Make Electrical Connections
Fig. 15 - Condensate Drain Pan Side View
Fig. 18 - Power Wiring Connections
Fig. 17 - Disconnect Switch and Unit
Units Without Factory-InstalledDisconnect
Units with Factory-InstalledDisconnect
All Units
Field Control Wiring
Heat Anticipator Settings
Units without Thru-BaseConnections
Table 3 - Heater Model Number
Fig. 22 - Typical Access Panel Location 3-6Ton
Fig. 21 - Field Control Wiring Raceway
Electric Heaters
Connections
Fig. 24 - Typical Module Installation
Fig. 25 - Typical Single Point Installation
Fig. 26 - Accessory Electric Heater Control
Fig. 27 - PremierLink Controller
PremierLinkt Factory-Option
50TC
50TC
Fig. 29 - PremierLink Wiring Schematic
C09460
50TC
Table 4 - PremierLink Sensor Usage
FIELD CONNECTION
Table 5 - Space Sensor Mode
Table 6 - Thermostat Mode
INPUT SIGNAL
Fig. 33 - PremierLink T-56Sensor
Fig. 30 - T-55Space Temperature Sensor Wiring
Fig. 31 - PremierLink T-55Sensor
Fig. 32 - T-56Internal Connections
Enthalpy
Fig. 39 - Outdoor Air Quality Sensor Cover
33ZCSENCO2 - Typical Wiring Diagram
Fig. 37 - Indoor/Outdoor Air Quality CO2 Sensor
Fig. 38 - Indoor CO2 Sensor 33ZCSENCO2
Connection
Fig. 41 - PremierLink Filter Switch Connection
Fig. 42 - PremierLink Wiring Fan Pressure Switch
Fig. 43 - PremierLink Wiring Remote Occupied
Fig. 44 - PremierLink CCN Bus Connections
Table 8 - Color Code Recommendations
50TC
50TC
RTU-MPcontrol system
Fig. 45 - RTU-MP Multi-ProtocolControl Board
Fig. 46 - 50TC Control Box Component Locations
50TC
Fig. 47 - RTU-MPSystem Control Wiring Diagram
C09461
50TC
Table 9 - RTU-MPController Inputs and Outputs
Fig. 49 - RTU-MP T-56Sensor Connections
Space Temperature SPT Sensors
Fig. 50 - Space Temperature Sensor Typical Wiring
Fig. 48 - RTU-MP T-55Sensor Connections
Fig. 52 - RTU-MP /Outdoor CO2 Sensor
Connecting Discrete Inputs Filter Status
Fig. 51 - RTU-MP /Indoor CO2 Sensor
33ZCSENCO2 Connections
Remote Occupancy
Communication Wiring - Protocols General
Fig. 53 - RTU-MPSW3 Dip Switch Settings
Fan Status
50TC
Local Access
RTU-MPTroubleshooting Communication LEDs
Fig. 54 - BACview6 Handheld Connections
50TC
Table 10 - LEDs
EconoMi$er IV Occupancy Switch
Step 11 - Adjust Factory-InstalledOptions
Step 12 - Install Accessories
Fig. 55 - EconoMi$ert IV Wiring
NOTE See page 38 for table legend and notes
Table 11 - Unit Wire/MOCP Sizing Data
50TC
50TC
Table 11 - Unit Wire/MOCP Sizing Data cont
50TC
Legend for Table
50TC
Replaces NEW
50TC
Catalog No 50TC---C02SI
Edition Date 11/09
