Manuals
/
Carrier
/
Household Appliance
/
Air Conditioner
Carrier
48TC*D08 appendix C08665
Models:
48TC*D08
1
37
98
98
Download
98 pages
26.51 Kb
34
35
36
37
38
39
40
41
<
>
Troubleshooting
Install
Error messages
To Use Cooling Charging Charts
Removal and Replacement of Gas Train
Maintenance
To Configure the Dirty Sensor Test Operation
Powered Convenience Outlet Wiring
Remote Test/Reset Station Dirty Sensor Test
Loadshed Command — Gas and Electric
Page 37
Image 37
37
C08665
Fig. 43 - Typical PremierLink
t
System Control Wiring Diagram
48TC
Page 36
Page 38
Page 37
Image 37
Page 36
Page 38
Contents
SAFETY CONSIDERATIONS
TABLE OF CONTENTS
Service and Maintenance Instructions
With Puron R---410ARefrigerant
UNIT OPERATION AND SAFETY HAZARD
UNIT ARRANGEMENT AND ACCESS
Fig. 1 - Typical Access Panel Locations Back
General
Seasonal Maintenance
Routine Maintenance
Fig. 2 - Typical Access Panel Location Front
Air Conditioning
Fig. 4 - Screens Installed on Outdoor-AirHood
Fig. 3 - Filter Installation
SUPPLY FAN BLOWER SECTION
Supply Fan Belt-Drive
Fig. 6 - Supply-FanPulley Adjustment Bearings
Adjustable-PitchPulley on Motor
Fig. 7 - Tightening Locking Collar Motor
48TC
Periodic Clean Water Rinse
Coil Maintenance and Cleaning Recommendation
COOLING
Condenser Coil
PERSONAL INJURY HAZARD
Routine Cleaning of Evaporator Coil Sufaces
PERSONAL INJURY HAZARD
PERSONAL INJURY HAZARD
To Use Cooling Charging Charts
Refrigerant System Pressure Access Ports
PURONR R-410AREFRIGERANT
Refrigerant Charge
SEATCORE
Fig. 9 - CoreMax Access Port Assembly
48TC
Fig. 10 - Cooling Charging Charts D08
COOLING CHARGING CHARTS
48TC
COOLING CHARGING CHARTS
Fig. 11 - Cooling Charging Charts D12
48TC
C08670
COOLING CHARGING CHARTS
Fig. 12 - Cooling Charging Charts D14 - Circuit A
48TC
C09151
COOLING CHARGING CHARTS
Fig. 13 - Cooling Charging Charts D14 - Circuit B
48TC
C09152
48TC
Table 1 - Cooling Service Analysis
Condenser-FanAdjustment D14 size
Condenser-FanAdjustment D08-D12size
Troubleshooting Cooling System
Fig. 14 - Condenser Fan Adjustment D08-D12
Unit-PoweredType
Non-PoweredType
Fig. 17 - Powered Convenience Outlet Wiring
CONVENIENCE OUTLETS
Fuse On Powered Type
Maintenance
Using Unit-MountedConvenience Outlets
Fig. 18 - Controller Assembly
Location
Smoke Detector Locations
Fig. 19 - Smoke Detector Sensor
Fig. 21 - Typical Return Air Detector Location
Fig. 22 - Return Air Sampling Tube Location
FIOP Smoke Detector Wiring and Response
Fig. 23 - Return Air Detector Shipping Position
Fig. 24 - Return Air Sensor Operating Position
Sensor Alarm Test
Fig. 25 - Typical Smoke Detector System Wiring
Sensor Alarm Test Procedure
Controller Alarm Test
Dirty Controller Test Procedure
Controller Alarm Test Procedure
Dirty Sensor Test Procedure
To Configure the Dirty Sensor Test Operation
SD-TRK4Remote Alarm Test Procedure
Detector Cleaning
Remote Test/Reset Station Dirty Sensor Test
Dirty Sensor Test Using an SD-TRK4
Troubleshooting
INDICATORS
Alarm State
Fig. 28 - Controller Assembly
Controller’s Power LED is Off
Table 3 – Detector Indicators
Overtemperature
High Pressure Switch
GAS HEATING SYSTEM
Fig. 30 - Limit Switch Location
Control Circuit
Fuel Types and Pressures
Flue Gas Passageways
Fig. 31 - LP Low Pressure Switch Installed
Combustion-AirBlower
48TC
Removal and Replacement of Gas Train
Fig. 33 - Heat Exchanger Assembly
Burners and Igniters
EQUIPMENT DAMAGE HAZARD
Limit Switch
Cleaning and Adjustment
Fig. 35 - Burner Tray Details
Fig. 36 - Unit Control Box/IGC Location
Table 9 – LED Error Code Description
Fig. 37 - Spark Adjustment
Burner Ignition
48TC
Fig. 38 - Gas Valve
Orifice Replacement
48TC
Table 10 - IGC Connections
Fig. 39 - Integrated Gas Control IGC Board
Red LED-Status
48TC
Table 12 - Altitude Compensation*
Table 11 – Orifice Sizes
48TC
Minimum Heating Entering Air Temperature
Troubleshooting Heating System
Table 13 – Heating Service Analysis
Fig. 40 - OATL Connections
RESET METHOD
Table 14 – IGC Board LED Alarm Codes
48TC
DESCRIPTION
Repairing NOVATION Condenser Tube Leaks
CONDENSER COIL SERVICE
Replacing NOVATION Condenser Coil
Fig. 41 - PremierLinkt Controller
SUPPLY AIR TEMPERATURE SENSOR SUPPLY AIR
PREMIERLINKt CONTROL
48TC
ROOF CURB RETURN AIR
C08665
48TC
Fig. 45 - PremierLink T-55Sensor
Fig. 44 - T-55Space Temperature Sensor Wiring
48TC
Table 17 - Space Sensor Mode
Table 16 – PremierLink Sensor Usage
48TC
Fig. 46 - T-56Internal Connections
Table 18 – Thermostat Mode
Fig. 47 - PremierLink T-56Sensor
Fig. 48 - Space Thermostat Connections
Enthalpy
Fig. 51 - Indoor/Outdoor Air Quality CO2 Sensor
33ZCSENCO2 - Typical Wiring Diagram
Fig. 52 - Indoor CO2 Sensor 33ZCSENCO2
Connections
Fig. 56 - PremierLink Wiring Fan Pressure Switch
Fig. 55 - PremierLink Filter Switch Connection
Fig. 57 - PremierLink Wiring Remote Occupied
Connection
RTU-MPCONTROL SYSTEM
Fig. 58 - PremierLinkt Power Exhaust Output
Table 19 – Recommended Cables
Table 20 – Color Code Recommendations
48TC
Fig. 60 - RTU-MP Multi-ProtocolControl Board
C07129
C09163
48TC
CONFIGURABLE
Table 21 – RTU-MPController Inputs and Outputs
48TC
POINT NAME
Fig. 64 - Space Temperature Sensor Typical Wiring
Space Temperature SPT Sensors
Fig. 62 - RTU-MP T-55Sensor Connections
Fig. 63 - RTU-MP T-56Sensor Connections
33ZCSENCO2 Connections
Fig. 65 - RTU-MP /Indoor CO2 Sensor
48TC
Power Exhaust output
Connecting Discrete Inputs
Communication Wiring - Protocols
Fig. 67 - RTU-MPPower Exhaust Connections
Fig. 68 - RTU-MPSW3 Dip Switch Settings
RTU-MPTroubleshooting
Local Access
BACnet MS/TP
Table 22 – LEDs
Fig. 69 - BACview6 Handheld Connections
And Error LED shows
48TC
RESET
Table 23 – Troubleshooting Alarms
48TC
ACTION TAKEN BY
Safety Chain Alarm
Alarms
Fire Shutdown Alarm
SAT Sensor Alarm
48TC
Fig. 70 - Module Status Report Modstat Example
Modbus
Table 25 – Basic Protocol Troubleshooting
Table 24 – Manufacture Date
Table 26 – Modbus Exception Codes that May be
Fig. 71 - EconoMi$er IV Component Locations
ECONOMI$ER SYSTEMS
Fig. 72 - EconoMi$er2 Component Locations
48TC
48TC
Fig. 73 - EconoMi$er IV Wiring
EconoMi$er
Outdoor Air Temperature OAT Sensor
Table 27 – EconoMi$er IV Input/Output Logic
Fig. 75 - EconoMi$er IV Functional View
Fig. 78 - Outside Air Temperature Changeover
Supply Air Temperature SAT Sensor
Fig. 76 - Supply Air Sensor Location
Outdoor Air Lockout Sensor
Outdoor Enthalpy Changeover
Differential Dry Bulb Control
Mounting Location
Fig. 81 - Enthalpy Changeover Setpoints
Exhaust Setpoint Adjustment
Fig. 83 - CO2 Sensor Maximum Range Settings
Fig. 82 - EconoMi$er IV Control
Differential Enthalpy Control
Thermostats
Damper Movement
Demand Control Ventilation DCV
48TC
Table 28 – CO2 Sensor Standard Settings
CO2 Sensor Configuration
48TC
EconoMi$er IV Preparation
Table 29 - EconoMi$er IV Sensor Usage
Differential Enthalpy
Single Enthalpy
EconoMi$er IV Troubleshooting Completion
WIRING DIAGRAMS
DCV Minimum and Maximum Position
Supply-AirSensor Input
C09156
48TC
C09157
48TC
START-UP,GENERAL
PRE-START-UP
Unit Preparation
Gas Piping
Refrigerant Service Ports
Internal Wiring
Return-AirFilters
Outdoor-AirInlet Screens
Memory Reset
Field Service Test
START-UP,PREMIERLINKt CONTROLS
START-UP, RTU-MPCONTROL
Unit Start Delay
Configuration
Filter Service Hours
Supply Fan Service Hours
Cooling Lockout Temp
Cooling/Econ SAT Low Setpt
Heating Heating SAT High Setpt
Heating Lockout Temp
T55/56 Override Duration
Power Exhaust Setpt
IAQ Low Reference @ 4mA
IAQ High Reference @ 20mA
Base Unit Controls
OPERATING SEQUENCES
Cooling, Units Without Economizer
Heating, Units Without Economizer
PremierLinkt Control
Supplemental Controls
48TC
48TC
IAQS = IAQD + OAQ OAQ = 400 ppm if not present
48TC
SWhen Pre-OccupancyPurge is active
48TC
Table 30 – Available Cooling Stages
S Indoor fan has been ON for at least 30 seconds
48TC
48TC
IAQS = IAQD + OAQ OAQ = 400 ppm if not present
48TC
Table 31 – Linkage Modes
Always Occupied Default Occupancy
Table 32 – Loadshed Command — Gas and Electric
RTU-MPSequence of Operation
Heat Units
BAS On/Off
BACnet Schedule
DI On/Off
Indoor Fan
FASTENER TORQUE VALUES
Power Exhaust
Economizer
Indoor Air Quality
48TC
Table 33 – Torque Values
Model Number Nomenclature
APPENDIX I. MODEL NUMBER SIGNIFICANCE
Serial Number Format
48TC
Physical Data
APPENDIX II. PHYSICAL DATA
7.5 - 12.5TONS
Cooling
Physical Data
APPENDIX II. PHYSICAL DATA cont
Heating
7.5 - 12.5TONS
APPENDIX III. FAN PERFORMANCE
3 PHASE
7.5 TON HORIZONTAL SUPPLY
7.5 TON VERTICAL SUPPLY
10 TON VERTICAL SUPPLY
10 TON HORIZONTAL SUPPLY
48TC**12
3 PHASE
12.5 TON VERTICAL SUPPLY
48TC**14
12.5 TON HORIZONTAL SUPPLY
3 PHASE
APPENDIX III. FAN PERFORMANCE cont
Pulley Adjustment
48TC
48TC
ELECTRICAL INFORMATION
48TC*D08
2---StageCooling
MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O
48TC
Wiring Diagrams
APPENDIX IV. WIRING DIAGRAM LIST
48TC
Fig. 86 - 48TC*D08-D12Outdoor Circuiting
APPENDIX V. MOTORMASTER SENSOR LOCATIONS
48TC
TEMPERATURES
UNIT START-UPCHECKLIST
I. PRELIMINARY INFORMATION
III. START-UP