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Carrier
50TFQ008-012 specifications Base Unit Dimensions
Models:
50TFQ008-012
1
6
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Troubleshooting
Install
Dimension
Power Wiring Connections
Indoor-FanPulley Adjustment
Heat Anticipator Settings
Checklist
Cleaning Outdoor Coil
Supply Air Sensor Temperature
Typical Access Panel Locations
Page 6
Image 6
6
Fig. 6 — Base Unit Dimensions
Page 5
Page 7
Page 6
Image 6
Page 5
Page 7
Contents
SAFETY CONSIDERATIONS
Installation, Start-Upand Service Instructions
CONTENTS
INSTALLATION
Fig. 1 - Roof Curb Details
Fig. 2 - Unit Leveling Tolerances
Fig. 3 - Condensate Drain Pan Side View
Fig. 4 - Condensate Drain Piping Details
Fig. 5 - Rigging Details
Table 1 - Physical Data
Fig. 6 - Base Unit Dimensions
Fig. 7 - Power Wiring Connections
Step 5 - Make Electrical Connections
Table 2 - Electric Heating Capacities
VOLTAGE
VOLTAGE
VOLTAGE
Step 6 - Adjust Factory-InstalledOptions
Fig. 10 - Defrost Board
Table 4 - Heat Anticipator Settings
Outdoor-AirDamper Installed
Fig. 11 - Damper Panel with Manual
Fig. 13 - Optional Manual Outdoor-Air
Fig. 14 - Outdoor Air Damper Position Setting
Fig. 12 - Outdoor-AirHood Details
Damper with Hood Attached
Table 5 - PremierLink Sensor Usage
Fig. 15A - PremierLink Controller
Fig. 15B - PremierLink Controller Installed
Fig. 16 - Typical PremierLink Controls Wiring
PremierLink
Fig. 18 - Differential Enthalpy Control
Sensor and Mounting Plate 33AMKITENT006
Fig. 19 - EconoMi$er IV Component Locations
Fig. 21 - Typical Access Panel Locations
Fig. 23 - Indoor Coil Access Panel Relocation
Fig. 20 - EconoMi$er2 Component Locations
Fig. 25 - Filter Installation
Fig. 26 - EconoMi$er IV Wiring
Fig. 24 - Outdoor-AirHood Construction
Fig. 28 - Barometric Flow Capacity
Fig. 29 - Outdoor-AirDamper Leakage
Fig. 30 - Return-AirPressure Drop
Table 7 - EconoMi$er IV Sensor Usage
Table 6 - Supply Air Sensor Temperature
Resistance Values
Fig. 31 - Supply Air Sensor Location
Fig. 32 - EconoMi$er IV Controller Potentiometer
Fig. 33 - Outside Air Temperature
Fig. 34 - Return Air Temperature or Enthalpy
and LED Locations
Fig. 35 - Enthalpy Changeover Set Points
Fig. 37 - CO2 Sensor Maximum Range Setting
APPROXIMATE DRY BULB TEMPERATURE— F C
Fig. 36 - EconoMi$er IV Control
60 x .10 + 75 x .90 = 73.5 F
Table 8 - CO2 Sensor Standard Settings
Size
Fig. 40 - Indoor-FanPulley Adjustment
Fig. 39 - Typical Belt-DriveMotor Mounting for
Fig. 38 - Typical Belt-DriveMotor Mounting for
Table 10 - Fan Rpm at Motor Pulley Settings
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
AIRFLOW
Refer to page 43 General Fan Performance Notes
GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
Refer to General Fan Performance Notes below
PRE-START-UP
START-UP
Operating Sequence
Fig. 41 - DX Cooling Temperature Control Example
Fig. 42 - Economizer Temperature Control Example
Fig. 44 - Propping Up Top Panel
SERVICE
Fig. 43 - Cleaning Outdoor Coil
Fig. 45 - Separating Coil Sections
Lubrication
TROUBLESHOOTING
Fig. 48 - Cooling Charging Chart, 50TFQ009
Fig. 49 - Cooling Charging Chart, 50TFQ012
SUPPLY-AIRINPUT - To check supply-airinput
Circuit Breaker
Table 28 - Heating and Cooling Troubleshooting
Table 29 - EconoMi$er IV Input/Output Logic
Fig. 51 - EconoMi$er IV Functional View
INDEX
Page
I. PRELIMINARY INFORMATION
START-UPCHECKLIST Remove and Store in Job File
TEMPERATURES
III.START-UP