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48TC*D08 appendix Cooling Charging Charts D08
Models:
48TC*D08
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Troubleshooting
Install
Error codes
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 10
Image 10
COOLING CHARGING CHARTS
48TC
C08669
Fig. 10 - Cooling Charging Charts (D08)
10
Page 9
Page 11
Page 10
Image 10
Page 9
Page 11
Contents
Service and Maintenance Instructions
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
With Puron R---410ARefrigerant
Fig. 1 - Typical Access Panel Locations Back
UNIT ARRANGEMENT AND ACCESS
UNIT OPERATION AND SAFETY HAZARD
General
Fig. 2 - Typical Access Panel Location Front
Routine Maintenance
Seasonal Maintenance
Air Conditioning
SUPPLY FAN BLOWER SECTION
Fig. 3 - Filter Installation
Fig. 4 - Screens Installed on Outdoor-AirHood
Supply Fan Belt-Drive
Fig. 7 - Tightening Locking Collar Motor
Adjustable-PitchPulley on Motor
Fig. 6 - Supply-FanPulley Adjustment Bearings
48TC
COOLING
Coil Maintenance and Cleaning Recommendation
Periodic Clean Water Rinse
Condenser Coil
PERSONAL INJURY HAZARD
Routine Cleaning of Evaporator Coil Sufaces
PERSONAL INJURY HAZARD
PERSONAL INJURY HAZARD
PURONR R-410AREFRIGERANT
Refrigerant System Pressure Access Ports
To Use Cooling Charging Charts
Refrigerant Charge
SEATCORE
Fig. 9 - CoreMax Access Port Assembly
48TC
Fig. 10 - Cooling Charging Charts D08
COOLING CHARGING CHARTS
48TC
48TC
Fig. 11 - Cooling Charging Charts D12
COOLING CHARGING CHARTS
C08670
48TC
Fig. 12 - Cooling Charging Charts D14 - Circuit A
COOLING CHARGING CHARTS
C09151
48TC
Fig. 13 - Cooling Charging Charts D14 - Circuit B
COOLING CHARGING CHARTS
C09152
Table 1 - Cooling Service Analysis
48TC
Troubleshooting Cooling System
Condenser-FanAdjustment D08-D12size
Condenser-FanAdjustment D14 size
Fig. 14 - Condenser Fan Adjustment D08-D12
Fig. 17 - Powered Convenience Outlet Wiring
Non-PoweredType
Unit-PoweredType
CONVENIENCE OUTLETS
Using Unit-MountedConvenience Outlets
Maintenance
Fuse On Powered Type
Fig. 18 - Controller Assembly
Fig. 19 - Smoke Detector Sensor
Smoke Detector Locations
Location
Fig. 21 - Typical Return Air Detector Location
Fig. 23 - Return Air Detector Shipping Position
FIOP Smoke Detector Wiring and Response
Fig. 22 - Return Air Sampling Tube Location
Fig. 24 - Return Air Sensor Operating Position
Sensor Alarm Test Procedure
Fig. 25 - Typical Smoke Detector System Wiring
Sensor Alarm Test
Controller Alarm Test
Dirty Sensor Test Procedure
Controller Alarm Test Procedure
Dirty Controller Test Procedure
To Configure the Dirty Sensor Test Operation
Remote Test/Reset Station Dirty Sensor Test
Detector Cleaning
SD-TRK4Remote Alarm Test Procedure
Dirty Sensor Test Using an SD-TRK4
Alarm State
INDICATORS
Troubleshooting
Fig. 28 - Controller Assembly
Overtemperature
Table 3 – Detector Indicators
Controller’s Power LED is Off
High Pressure Switch
Control Circuit
Fig. 30 - Limit Switch Location
GAS HEATING SYSTEM
Fuel Types and Pressures
Combustion-AirBlower
Fig. 31 - LP Low Pressure Switch Installed
Flue Gas Passageways
48TC
Burners and Igniters
Fig. 33 - Heat Exchanger Assembly
Removal and Replacement of Gas Train
EQUIPMENT DAMAGE HAZARD
Fig. 35 - Burner Tray Details
Cleaning and Adjustment
Limit Switch
Fig. 36 - Unit Control Box/IGC Location
Burner Ignition
Fig. 37 - Spark Adjustment
Table 9 – LED Error Code Description
48TC
Fig. 38 - Gas Valve
Orifice Replacement
48TC
Red LED-Status
Fig. 39 - Integrated Gas Control IGC Board
Table 10 - IGC Connections
48TC
Table 12 - Altitude Compensation*
Table 11 – Orifice Sizes
48TC
Table 13 – Heating Service Analysis
Troubleshooting Heating System
Minimum Heating Entering Air Temperature
Fig. 40 - OATL Connections
48TC
Table 14 – IGC Board LED Alarm Codes
RESET METHOD
DESCRIPTION
Replacing NOVATION Condenser Coil
CONDENSER COIL SERVICE
Repairing NOVATION Condenser Tube Leaks
Fig. 41 - PremierLinkt Controller
48TC
PREMIERLINKt CONTROL
SUPPLY AIR TEMPERATURE SENSOR SUPPLY AIR
ROOF CURB RETURN AIR
48TC
C08665
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. 47 - PremierLink T-56Sensor
Table 18 – Thermostat Mode
Fig. 46 - T-56Internal Connections
Fig. 48 - Space Thermostat Connections
Enthalpy
Fig. 52 - Indoor CO2 Sensor 33ZCSENCO2
33ZCSENCO2 - Typical Wiring Diagram
Fig. 51 - Indoor/Outdoor Air Quality CO2 Sensor
Connections
Fig. 57 - PremierLink Wiring Remote Occupied
Fig. 55 - PremierLink Filter Switch Connection
Fig. 56 - PremierLink Wiring Fan Pressure Switch
Connection
Table 19 – Recommended Cables
Fig. 58 - PremierLinkt Power Exhaust Output
RTU-MPCONTROL SYSTEM
Table 20 – Color Code Recommendations
48TC
Fig. 60 - RTU-MP Multi-ProtocolControl Board
C07129
48TC
C09163
48TC
Table 21 – RTU-MPController Inputs and Outputs
CONFIGURABLE
POINT NAME
Fig. 62 - RTU-MP T-55Sensor Connections
Space Temperature SPT Sensors
Fig. 64 - Space Temperature Sensor Typical Wiring
Fig. 63 - RTU-MP T-56Sensor Connections
33ZCSENCO2 Connections
Fig. 65 - RTU-MP /Indoor CO2 Sensor
48TC
Communication Wiring - Protocols
Connecting Discrete Inputs
Power Exhaust output
Fig. 67 - RTU-MPPower Exhaust Connections
Local Access
RTU-MPTroubleshooting
Fig. 68 - RTU-MPSW3 Dip Switch Settings
BACnet MS/TP
And Error LED shows
Fig. 69 - BACview6 Handheld Connections
Table 22 – LEDs
48TC
48TC
Table 23 – Troubleshooting Alarms
RESET
ACTION TAKEN BY
Fire Shutdown Alarm
Alarms
Safety Chain Alarm
SAT Sensor Alarm
Fig. 70 - Module Status Report Modstat Example
48TC
Table 24 – Manufacture Date
Table 25 – Basic Protocol Troubleshooting
Modbus
Table 26 – Modbus Exception Codes that May be
Fig. 72 - EconoMi$er2 Component Locations
ECONOMI$ER SYSTEMS
Fig. 71 - EconoMi$er IV Component Locations
48TC
Fig. 73 - EconoMi$er IV Wiring
48TC
Table 27 – EconoMi$er IV Input/Output Logic
Outdoor Air Temperature OAT Sensor
EconoMi$er
Fig. 75 - EconoMi$er IV Functional View
Fig. 76 - Supply Air Sensor Location
Supply Air Temperature SAT Sensor
Fig. 78 - Outside Air Temperature Changeover
Outdoor Air Lockout Sensor
Mounting Location
Differential Dry Bulb Control
Outdoor Enthalpy Changeover
Fig. 81 - Enthalpy Changeover Setpoints
Fig. 82 - EconoMi$er IV Control
Fig. 83 - CO2 Sensor Maximum Range Settings
Exhaust Setpoint Adjustment
Differential Enthalpy Control
Demand Control Ventilation DCV
Damper Movement
Thermostats
48TC
Table 28 – CO2 Sensor Standard Settings
CO2 Sensor Configuration
48TC
Differential Enthalpy
Table 29 - EconoMi$er IV Sensor Usage
EconoMi$er IV Preparation
Single Enthalpy
DCV Minimum and Maximum Position
WIRING DIAGRAMS
EconoMi$er IV Troubleshooting Completion
Supply-AirSensor Input
48TC
C09156
48TC
C09157
Unit Preparation
PRE-START-UP
START-UP,GENERAL
Gas Piping
Return-AirFilters
Internal Wiring
Refrigerant Service Ports
Outdoor-AirInlet Screens
START-UP,PREMIERLINKt CONTROLS
Field Service Test
Memory Reset
START-UP, RTU-MPCONTROL
Filter Service Hours
Configuration
Unit Start Delay
Supply Fan Service Hours
Heating Heating SAT High Setpt
Cooling/Econ SAT Low Setpt
Cooling Lockout Temp
Heating Lockout Temp
IAQ Low Reference @ 4mA
Power Exhaust Setpt
T55/56 Override Duration
IAQ High Reference @ 20mA
Cooling, Units Without Economizer
OPERATING SEQUENCES
Base Unit Controls
Heating, Units Without Economizer
PremierLinkt Control
Supplemental Controls
48TC
IAQS = IAQD + OAQ OAQ = 400 ppm if not present
48TC
SWhen Pre-OccupancyPurge is active
48TC
Table 30 – Available Cooling Stages
48TC
48TC
S Indoor fan has been ON for at least 30 seconds
IAQS = IAQD + OAQ OAQ = 400 ppm if not present
48TC
Table 31 – Linkage Modes
48TC
RTU-MPSequence of Operation
Table 32 – Loadshed Command — Gas and Electric
Always Occupied Default Occupancy
Heat Units
DI On/Off
BACnet Schedule
BAS On/Off
Indoor Fan
Economizer
Power Exhaust
FASTENER TORQUE VALUES
Indoor Air Quality
Table 33 – Torque Values
48TC
Serial Number Format
APPENDIX I. MODEL NUMBER SIGNIFICANCE
Model Number Nomenclature
48TC
7.5 - 12.5TONS
APPENDIX II. PHYSICAL DATA
Physical Data
Cooling
Heating
APPENDIX II. PHYSICAL DATA cont
Physical Data
7.5 - 12.5TONS
7.5 TON HORIZONTAL SUPPLY
3 PHASE
APPENDIX III. FAN PERFORMANCE
7.5 TON VERTICAL SUPPLY
48TC**12
10 TON HORIZONTAL SUPPLY
10 TON VERTICAL SUPPLY
3 PHASE
12.5 TON HORIZONTAL SUPPLY
48TC**14
12.5 TON VERTICAL SUPPLY
3 PHASE
APPENDIX III. FAN PERFORMANCE cont
Pulley Adjustment
48TC
48TC*D08
ELECTRICAL INFORMATION
48TC
2---StageCooling
48TC
MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O
Wiring Diagrams
APPENDIX IV. WIRING DIAGRAM LIST
48TC
Fig. 86 - 48TC*D08-D12Outdoor Circuiting
APPENDIX V. MOTORMASTER SENSOR LOCATIONS
48TC
I. PRELIMINARY INFORMATION
UNIT START-UPCHECKLIST
TEMPERATURES
III. START-UP