Carrier 50TC-A04 Installation Instructions Manual

Installation Instructions
NOTE: Read the entire instruction manual before starting
the installation
TABLE OF CONTENTS
SAFETY CONSIDERATIONS .................... 2
Rated Indoor Airflow .......................... 3
INSTALLATION ............................... 5
Jobsite Survey ................................ 6
Step 1 - Plan for Unit Location .................. 6
Roof Mount ............................... 6
Step 2 - Plan for Sequence of Unit Installation ...... 7
Curb-Mount Installation ..................... 7
Pad-Mount Installation ...................... 7
Frame-Mount Installation .................... 7
Step 3 - Inspect Unit ........................... 7
Step 4 - Provide Unit Support ................... 7
Roof Curb Mount .......................... 7
Slab Mount (Horizontal Units Only) ........... 7
Alternate Unit Support
(In Lieu of Curb or Slab Mount) .............. 7
Step 5 - Field Fabricate Ductwork ................ 9
For Units with Accessory Electric Heaters ...... 9
Step 6 - Rig and Place Unit ..................... 9
Positioning on Curb ....................... 10
Step 7 - Convert to Horizontal and Connect
Ductwork ........................... 10
Step 8 - Install Outside Air Hood ............... 11
Economizer and Two Position Damper Hood
Package Removal and Setup -- Factory Option .. 11
Economizer Hood and Two-Position Hood ..... 11
Step 9 - Install External Condensate Trap
and Line ............................ 12
Step 10 - Make Electrical Connections ........... 12
Field Power Supply ........................ 12
Units with Factory-Installed
Non-Fused Disconnect ..................... 13
Units without Factory-Installed
Non-Fused Disconnect ..................... 14
All Units ................................ 14
Convenience Outlets ....................... 14
Factory-Option Thru-Base Connections ...... 16
Units without Thru-Base Connections ......... 16
Field Control Wiring ....................... 16
Thermostat ............................... 16
Unit without Thru-Base Connection Kit ....... 17
Heat Anticipator Settings ................... 17
Electric Heaters ............................ 17
Single Point Boxes & Supplementary Fuses .... 18
Single Point Boxes without Fuses ............ 18
Low-Voltage Control Connections ............ 18
Humidi-MiZer <n_ C ontrol Connections .......... 19
Humidi-MiZer - Space RH Controller ........ 19
EconoMiSer X (Factory-Installed Option) ....... 19
PremierLink TM (Factory Option) ............... 21
Supply Air Temperature (SAT) Sensor ......... 24
Outdoor Air Temperature (OAT) Sensor ....... 24
EconoMi$er2 ............................. 24
Field Connections .......................... 24
Space Sensors ............................ 26
Connect Thermostat ....................... 26
Configure the Unit for Thermostat Mode ...... 26
Economizer Controls ........................ 27
Indoor Air Quality (CO2 sensor) ............. 27
Outdoor Air Quality Sensor ................. 27
Space Relative Humidity Sensor or
Humidistat Connections .................... 28
Smoke Detector/Fire Shutdown (FSD) ......... 28
Filter Status Switch ........................ 29
Supply Fan Status Switch ................... 29
Remote Occupied Switch ................... 29
Power Exhaust (output) ..................... 29
CCN Communication Bus .................. 29
RTU Open Control System ................... 31
Supply Air Temperature (SAT) Sensor ......... 34