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48TC**16 installation instructions Roof Curb Details, C10772
Models:
48TC**16
1
6
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Troubleshooting
Install
PremierLink Wiring Schematic
Dimension
Configure the unit for Thermostat Mode
Power Wiring Connections
Economizer Hood Removal and Setup
Controller Assembly
Input Signal
Heat Anticipator Settings
Page 6
Image 6
48TC**16
Fig. 3 - Roof Curb Details
C10772
6
Page 5
Page 7
Page 6
Image 6
Page 5
Page 7
Contents
48TC**16
TABLE OF CONTENTS
Installation Instructions
Single Package Rooftop
48TC**16
SAFETY CONSIDERATIONS
UNIT OPERATION AND SAFETY HAZARD
FIRE, EXPLOSION HAZARD
Vertical Connections / Economizer
Fig. 1 - Unit Dimensional Drawing – 16 Size Unit
48TC**16
Horizontal Connections / Economizer
Step 1 — Plan for Unit Location
INSTALLATION
Fig. 2 - Service Clearance Dimensional Drawing
Jobsite Survey
Curb-mountedinstallation —
Step 2 - Plan for Sequence of Unit Installation
Table 1 – Operating Weights
Pad-mountedinstallation —
Fig. 3 - Roof Curb Details
48TC**16
C10772
Fig. 4 - Unit Leveling Tolerances
Step 5 — Field Fabricate Ductwork
Step 6 — Rig and Place Unit
PROPERTY DAMAGE HAZARD
Fig. 8 - Horizontal Conversion Panels
Fig. 6 - Retrofit Installation Dimensions
Positioning on Curb —
48TC**16
Fig. 9 - Typical Access Panel Locations
Step 8 — Install Outside Air Hood
Economizer Hood Removal and Setup
Factory Option
Fig. 14 - Economizer Filter Installation
Step 9 — Install Flue Hood
Fig. 12 - Indoor Coil Access Panel Relocation
Economizer Hood and Two-PositionHood —
Table 2 – Natural Gas Supply Line Pressure Ranges
Step 10 — Install Gas Piping
Fig. 16 - Gas Piping Guide
EQUIPMENT DAMAGE HAZARD
Fig. 19 - Gas Line Piping
Option
Fig. 20 - Gas Piping
Fig. 21 - Gas Piping
FIRE OR EXPLOSION HAZARD
Fig. 23 - Orifice Hole
Fig. 24 - Condensate Drain Pan Side View
Fig. 26 - Conduit into Factory Option Disconnect
Field Power Supply —
Step 12 — Make Electrical Connections
Fig. 25 - Condensate Drain Piping Details
Units with Factory-InstalledDisconnect —
Fig. 30 - Disconnect Switch and Unit
Units Without Factory-InstalledDisconnect —
Fig. 29 - Mounting Position for Field Disconnects
ELECTRICAL OPERATION HAZARD
Fig. 31 - Power Wiring Connections
Convenience Outlets —
Fig. 33 - Convenience Outlet Utilization Notice
ELECTRICAL OPERATION HAZARD
Fig. 34 - Unit Powered Convenience Outlet Wiring
Fig. 35 - Weatherproof Cover Installation
48TC**16
Electrical Connections—
Field Control Wiring
Factory-Option Thru-BaseConnections
Fig. 36 - Thru-the-BaseOption, Shipping Position
Unit without Thru-BaseConnection Kit —
Fig. 39 - Thermostat Wire Routing
Heat Anticipator Settings —
Fig. 38 - Typical Low-VoltageControl Connections
Humidi-MiZer- Space RH Controller
Fig. 40 - Accessory Field-InstalledHumidistat
Humidi-MiZerR Control Connections
To connect the Carrier humidistat HL38MG029
with EDGE Pro Thermidistat Device
48TC**16
PremierLinkt Factory Option
Fig. 44 - PremierLink Controller
48TC**16
Fig. 46 - PremierLink Wiring Schematic
48TC**16
C11202
48TC**16
C11203
Field Connections
Supply Air Temperature SAT Sensor —
Outdoor Air Temperature OAT Sensor —
EconoMi$er2 —
INPUT SIGNAL
Table 4 - Space Sensor Mode
Table 5 – Thermostat Mode
INPUT SIGNAL
Space Sensors —
Fig. 49 - T-55Space Temperature Sensor Wiring
Configure the unit for Thermostat Mode —
Fig. 52 - PremierLink T-56Sensor
Indoor Air Quality CO2 sensor —
33ZCSENCO2 - Typical Wiring Diagram
Economizer Controls
Fig. 55 - Indoor CO2 Sensor 33ZCSENCO2
BLACK
To wire the sensor
TB3-7
TB3-13
Supply Fan Status Switch
Filter Status Switch
Fig. 60 - PremierLink Filter Switch Connection
Fig. 61 - PremierLink Wiring Fan Pressure Switch
Table 6 – Recommended Cables
Connecting CCN Bus
CCN Communication Bus —
Table 7 – Color Code Recommendations
RTU Open Control System
Fig. 65 - RTU Open Multi-ProtocolControl Board
48TC**16
Fig. 67 - RTU Open System Control Wiring Diagram
48TC**16
C11204
48TC**16
C11205
Outdoor Air Temperature OAT Sensor —
Table 8 – RTU Open Controller Inputs and Outputs
Supply Air Temperature SAT Sensor —
Field Connections
Fig. 69 - RTU Open T-55Sensor Connections
Space Temperature SPT Sensors
Fig. 71 - Space Temperature Sensor Typical Wiring
Fig. 70 - RTU Open T-56Sensor Connections
33ZCSENCO2 Connections Outdoor Air Quality Sensor
Humidi-MiZerR Control Wiring In units equipped
Fig. 72 - RTU Open / Indoor CO2 Sensor
Fig. 73 - RTU Open / Outdoor CO2 Sensor
Connecting Discrete Inputs —
48TC**16
Smoke Detector/Fire Shutdown FSD —
Fig. 77 - RTU Open Address Switches
Communication Wiring - Protocols
Fig. 76 - RTU Open SW3 Dip Switch Settings
Fig. 78 - Network Wiring
P1 P1
Local Access
RTU Open Troubleshooting —
P5 P5
Table 9 – LEDs
Wiring
Outdoor Air Enthalpy Control PNO 33CSENTHSW
Differential Enthalpy Control —
System —
Fig. 81 - Controller Assembly
Smoke Detectors
Controller —
Supply Air
See “Completing Installation of Return Air Smoke
Smoke Detector Locations
Location
Additional Application Data
Fig. 85 - Return Air Detector Shipping Position
Fig. 86 - Return Air Sensor Operating Position
48TC**16
Legend and Notes for Table
48TC**16
Fig. 87 - EconoMi$ert IV Wiring
Step 13 — Adjust Factory-InstalledOptions
Step 14 — Install Accessories
EconoMi$er IV Occupancy Switch —
48TC**16
Catalog No: 48TC
48TC**16
14SI
Replaces: 48TC