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50TCA04-A07 COOLING CHARGING CHARTS cont, Cooling Charging Charts cont, C08228 C08229
Models:
50TCA04-A07
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Troubleshooting
Install
To Use Cooling Charging Charts
Maintenance
To Configure the Dirty Sensor Test Operation
Powered Convenience Outlet Wiring
Resetting Alarm and Trouble Condition Trips
Loadshed Command - Gas and Electric Heat Units
Controller Assembly
Sensor Alarm Test Procedure
Page 10
Image 10
COOLING CHARGING CHARTS (cont)
50TC
C08228
C08229
Fig. 12 - Cooling Charging Charts (cont.)
10
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Page 11
Page 10
Image 10
Page 9
Page 11
Contents
ELECTRICAL OPERATION HAZARD
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
Service and Maintenance Instructions
Seasonal Maintenance
UNIT ARRANGEMENT AND ACCESS
Routine Maintenance
UNIT OPERATION AND SAFETY HAZARD
SUPPLY FAN BLOWER SECTION
Fig. 3 - Filter Installation
Fig. 4 - Screens Installed on Outdoor-Air Hood
Supply Fan Belt-Drive
Fig. 7 - Tightening Locking Collar
Adjustable-Pitch Pulley on Motor
Fig. 6 - Supply-Fan Pulley Adjustment Bearings
50TC
Routine Cleaning of Coil Surfaces
Condenser Coil Maintenance and Cleaning Recommendation
Periodic Clean Water Rinse
COOLING
Totaline Environmentally Sound Coil Cleaner Application Instructions
Fig. 8 - Cleaning Condenser Coil
Totaline Environmentally Sound Coil Cleaner Application Equipment
Two-Row Coils
PURONR R-410A REFRIGERANT
Refrigerant System Pressure Access Ports
Cleaning the Evaporator Coil
Evaporator Coil
SEAT CORE
To Use Cooling Charging Charts
Fig. 11 - CoreMax Access Port Assembly
50TC
50TC
COOLING CHARGING CHARTS
Fig. 12 - Cooling Charging Charts
C08203 C08204
50TC
COOLING CHARGING CHARTS cont
Fig. 12 - Cooling Charging Charts cont
C08228 C08229
Compressor
Troubleshooting Cooling System
Fig. 13 - Condenser Fan Adjustment except with Motormaster
Filter Drier
Table 1 - Cooling Service Analysis
50TC
SMOKE DETECTORS
Fig. 15 - Powered Convenience Outlet Wiring
CONVENIENCE OUTLETS
Fig. 14 - Convenience Outlet Location
Controller
Fig. 16 - Controller Assembly
System
Sensor
Fig. 18 - Typical Supply Air Smoke Detector Sensor Location
Completing Installation of Return Air Smoke Sensor
Smoke Detector Locations
Fig. 19 - Typical Return Air Detector Location
Fig. 22 - Return Air Sensor Operating Position
FIOP Smoke Detector Wiring and Response
Fig. 23 - Typical Smoke Detector System Wiring
B D C F E A
Sensor Alarm Test Procedure
Sensor and Controller Tests Sensor Alarm Test
Controller Alarm Test
Controller Alarm Test Procedure
Cleaning the Smoke Detector
DETECTOR CLEANING
Remote Test/Reset Station Dirty Sensor Test
To Configure the Dirty Sensor Test Operation
Table 3 - Detector Indicators
INDICATORS
Alarm State
Fig. 25 - Sensor Cleaning Diagram
Sensor’s Power LED is Off
TROUBLESHOOTING
Resetting Alarm and Trouble Condition Trips
Controller’s Power LED is Off
ELECTRIC HEATERS
Fig. 27 - Typical Access Panel Location 3-6 Ton
Fig. 29 - Typical Module Installation
Relief Device
Fig. 31 - Typical Location of Heater Limit Switches
Completing Heater Installation
Fig. 30 - Typical Single Point Installation
3-phase heater shown
Fig. 33 - PremierLink Controller
PREMIERLINKT CONTROL
50TC
50TC
Fig. 35 - PremierLink Wiring Schematic
C08249
Fig. 37 - PremierLink T55 Sensor
Fig. 36 - T-55 Space Temperature Sensor Wiring
50TC
50TC
Table 6 - PremierLink Sensor Usage
APPLICATION
50TC
Table 7 - Space Sensor Mode
Table 8 - Thermostat Mode
TB1 TERMINAL
Fig. 39 - PremierLink T56 Sensor
Fig. 41 - Enthalpy Switch HH57AC077 Connections
Fig. 38 - T-56 Internal Connections
Switch
Fig. 43 - Indoor/Outdoor Air Quality CO2 Sensor
Fig. 42 - Outside and Return Air Enthalpy Sensor Wiring
33ZCSENCO2 - Typical Wiring Diagram
50TC
tions
Fig. 47 - PremierLink Filter Switch Connection
Fig. 44 - Indoor CO2 Sensor 33ZCSENCO2 Connec
Fig. 45 - Outdoor Air Quality Sensor Cover
Fig. 50 - PremierLink Power Exhaust Output Connection
Fig. 48 - PremierLink Wiring Fan Pressure Switch Connection
Fig. 49 - PremierLink Wiring Remote Occupied
Table 9 - Recommended Cables
Fig. 51 - PremierLink CCN Bus Connections
Fig. 54 - EconoMi$er IV Wiring
ECONOMIZER SYSTEMS
Fig. 52 - EconoMi$er IV Component Locations
50TC
Fig. 55 - EconoMi$er2 with 4 to 20 mA Control Wiring
Table 11 - EconoMi$er IV Input/Output Logic
INPUTS
EconoMi$er
EconoMi$er IV Standard Sensors Outdoor Air Temperature OAT Sensor
Supply Air Temperature SAT Sensor
Fig. 56 - EconoMi$er IV Functional View
Differential Dry Bulb Control
Fig. 59 - Outside Air Temperature Changeover Setpoints
Fig. 61 - Return Air Temperature or Enthalpy Sensor Mounting Location
Fig. 58 - EconoMi$er IV Controller Potentiometer and LED Locations
Indoor Air Quality IAQ Sensor Input
Fig. 62 - Enthalpy Changeover Setpoints
Fig. 63 - EonoMi$er IV Control Differential Enthalpy Control
50TC
Minimum Position Control
Fig. 64 - CO2 Sensor Maximum Range Settings
Exhaust Setpoint Adjustment
Damper Movement
Table 12 - EconoMi$er IV Sensor Usage
CO2 Sensor Configuration
Demand Control Ventilation DCV
50TC
Differential Enthalpy
DCV Demand Controlled Ventilation and Power Exhaust
EconoMi$er IV Preparation
Single Enthalpy
PRE-START-UP
WIRING DIAGRAMS
EconoMi$er IV Troubleshooting Completion
PERSONAL INJURY HAZARD
START-UP, GENERAL
Internal Wiring
Refrigerant Service Ports
START-UP, PREMIERLINK CONTROLS
Initial Operation and Test
Memory Reset
Perform System Check-Out
Operating Sequence, Base Unit Controls
Operating Sequence, PremierLink Control
50TC
50TC
IAQS = IAQD + OAQ OAQ = 400 ppm if not present
NUMBER OF
Table 13 - Available Cooling Stages
50TC
STAGES
50TC
S Indoor fan has been on for at least 30 seconds S Enthalpy is low
50TC
50TC
equal to OCSP and Enthalpy = Low then PURGEMP = 100%
Table 14 - Linkage Modes
Table 15 - Loadshed Command - Gas and Electric Heat Units
FASTENER TORQUE VALUES
50TC
50TC
Fig. 65 - 50TC Typical Unit Wiring diagram - Power A06
Table 16 - Torque Values
20 +
50TC
Fig. 66 - 50TC Unit Wiring Diagram - Control A06
C08002
Serial Number Format
APPENDIX I. MODEL NUMBER SIGNIFICANCE
Model Number Nomenclature
50TC
3 - 6 TONS
APPENDIX II. PHYSICAL DATA
Physical Data Cooling
50TC
General Fan Performance Notes
APPENDIX III. FAN PERFORMANCE
50TC
3 Ton Horizontal Supply
1 Phase
APPENDIX III. FAN PERFORMANCE cont
3 Ton Vertical Supply
APPENDIX III. FAN PERFORMANCE cont
3 Phase
3 Phase
3 Ton Horizontal Supply
50TC**05
4 Ton Horizontal Supply
4 Ton Vertical Supply
1 Phase
3 Phase
Phase
50TC**05
APPENDIX III. FAN PERFORMANCE cont
50TC**06
5 Ton Horizontal Supply
5 Ton Vertical Supply
1 Phase
APPENDIX III. FAN PERFORMANCE cont
Phase
3 Phase
5 Ton Horizontal Supply
50TC**07
6 Ton Horizontal Supply
6 Ton Vertical Supply
Phase
APPENDIX III. FAN PERFORMANCE cont
Pulley Adjustment
50TC
4 TONS
APPENDIX IV. ELECTRICAL DATA
3 TONS
50TC**04
6 TONS
APPENDIX IV. ELECTRICAL DATA cont
5 TONS
50TC**06
APPENDIX IV. ELECTRICAL DATA cont
MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O
50TC
50TC
MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont
APPENDIX IV. ELECTRICAL DATA cont
208/230
MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont
APPENDIX IV. ELECTRICAL DATA cont
50TC
MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. cont
APPENDIX IV. ELECTRICAL DATA cont
50TC
50TC
APPENDIX V. WIRING DIAGRAM LIST
Wiring Diagrams
PremierLink
Fig. 69 - 50TC*A07 Outdoor Circuiting
APPENDIX VI. MOTORMASTER SENSOR LOCATIONS
Fig. 67 - 50TC*A04 Outdoor Circuiting
Fig. 68 - 50TC*A05/06 Outdoor Circuiting
50TC
APPENDIX VI. cont MOTORMASTER SENSOR LOCATIONS
Fig. 71 - 50TC*A09/12 Outdoor Circuiting
C08263
Printed in U.S.A
50TC
Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN
Edition Date 05/08
TEMPERATURES
START-UP CHECKLIST
START-UP CHECKLIST Remove and Store in Job File
PRESSURES Cooling Mode