SAFETY CONSIDERATIONS
TABLE OF CONTENTS
Service and Maintenance Instructions
WITH PURONR 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
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Periodic Clean Water Rinse
Coil Maintenance and Cleaning Recommendation
COOLING
Condenser Coil
PERSONAL INJURY HAZARD
Routine Cleaning of Evaporator Coil Surfaces
PERSONAL INJURY HAZARD
PERSONAL INJURY HAZARD
To Use Cooling Charging Charts
Refrigerant System Pressure Access Ports
PURONR R-410AREFRIGERANT
Evaporator Coil Metering Devices
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Fig. 9 - CoreMax Access Port Assembly
SEATCORE
C09221
COOLING CHARGING CHARTS
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C09222
COOLING CHARGING CHARTS
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12.5 TON CIRCUIT
Fig. 12 - Cooling Charging Charts 14D,F - Circuit
COOLING CHARGING CHARTS
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COOLING CHARGING CHARTS
Fig. 13 - Cooling Charging Charts 14D,F - Circuit
12.5 TON CIRCUIT
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Table 1 – Cooling Service Analysis
Condenser-FanAdjustment 14D,F size
Condenser-FanAdjustment 08D-12D,Fsize
Troubleshooting Cooling System
Fig. 14 - Condenser Fan Adjustment 08D-12D,F
Non-PoweredType
Installing Weatherproof Cover
Unit-PoweredType
Fig. 17 - Weatherproof Cover Installation
Fuse On Powered Type
Maintenance
Using Unit-MountedConvenience Outlets
Fig. 18 - Powered Convenience Outlet Wiring
Sensor
Fig. 19 - Controller Assembly
Smoke Detector Locations
Fig. 20 - Smoke Detector Sensor
Return Air Without Economizer
FIOP Smoke Detector Wiring and Response
Fig. 22 - Typical Return Air Detector Location
Return Air With Economizer
Using Remote Logic
Fig. 26 - Typical Smoke Detector System Wiring
Sensor Alarm Test
Sensor Alarm Test Procedure
Controller Alarm Test Procedure
Controller Alarm Test
Dirty Controller Test Procedure
Dirty Sensor Test Procedure
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. 29 - Controller Assembly
Controller’s Power LED is Off
Table 3 – Detector Indicators
Overtemperature
High Pressure Switch
Fig. 31 - Limit Switch Location
Troubleshooting Supply Fan Motor Overload Trips
GAS HEATING SYSTEM
Control Circuit,
Fig. 32 - LP Low Pressure Switch Installed
Supply Pressure Switch
Flue Gas Passageways
Combustion-AirBlower
Removal and Replacement of Gas Train
Fig. 34 - Heat Exchanger Assembly
Burners and Igniters
EQUIPMENT DAMAGE HAZARD
Limit Switch
Cleaning and Adjustment
Fig. 36 - Burner Tray Details
Fig. 37 - Unit Control Box/IGC Location
Table 9 – LED Error Code Description
Fig. 38 - Spark Adjustment
Burner Ignition
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Orifice Replacement
Fig. 39 - Gas Valve
Table 10 – IGC Connections
Fig. 40 - Integrated Gas Control IGC Board
Red LED-Status
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Table 11 – Orifice Sizes
Table 12 - Altitude Compensation*
Minimum Heating Entering Air Temperature
Troubleshooting Heating System
Table 13 – Heating Service Analysis
Fig. 41 - OATL Connections
RESET METHOD
Table 14 – IGC Board LED Alarm Codes
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DESCRIPTION
Repairing NOVATION Condenser Tube Leaks
CONDENSER COIL SERVICE
RTU-MPCONTROL SYSTEM
Replacing NOVATION Condenser Coil
C07129
Fig. 42 - RTU-MP Multi-ProtocolControl Board
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C09163
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Outdoor Air Temperature OAT Sensor
Supply Air Temperature SAT Sensor
Table 15 – RTU-MPController Inputs and Outputs
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Fig. 45 - T-55Space Temperature Sensor Wiring
Space Temperature SPT Sensors
EconoMi$er
Connect T-55
Enthalpy
33ZCSENCO2 - Typical Wiring Diagram
Sensor Wiring
Wiring the Indoor Air Quality Sensor
Differential Enthalpy Control
Wiring the Outdoor Air CO2 Sensor
Connecting Discrete Inputs
Fig. 53 - RTU-MP /Indoor CO2 Sensor
33ZCSENCO2 Connections
Communication Wiring - Protocols
Power Exhaust output
Fig. 56 - RTU-MPPower Exhaust Connections
Local Access
Fig. 57 - RTU-MPSW3 Dip Switch Settings
RTU-MPTroubleshooting
Communication LEDs
Fig. 58 - BACview6 Handheld Connections
And Error LED shows
Table 17 – LEDs
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If this LED is on
RESET
Table 18 – Troubleshooting Alarms
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ACTION TAKEN BY
Safety Chain Alarm
Alarms
Fire Shutdown Alarm
SAT Sensor Alarm
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Fig. 59 - Module Status Report Modstat Example
Modbus
Table 20 – Basic Protocol Troubleshooting
Table 19 – Manufacture Date
Table 21 – Modbus Exception Codes that May be
Fig. 60 - EconoMi$er IV Component Locations
ECONOMI$ER SYSTEMS
Fig. 61 - EconoMi$er2 Component Locations
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Fig. 62 - EconoMi$er IV Wiring
Table 22 – EconoMi$er IV Input/Output Logic
Outdoor Air Temperature OAT Sensor
Fig. 64 - EconoMi$er IV Functional View
EconoMi$er IV Standard Sensors
Fig. 67 - Outside Air Temperature Changeover
Supply Air Temperature SAT Sensor
Fig. 65 - Supply Air Sensor Location
Outdoor Air Lockout Sensor
Outdoor Enthalpy Changeover
Differential Dry Bulb Control
Mounting Location
Fig. 70 - Enthalpy Changeover Setpoints
Exhaust Setpoint Adjustment
Fig. 72 - CO2 Sensor Maximum Range Settings
Fig. 71 - EconoMi$er IV Control
Indoor Air Quality IAQ Sensor Input
Thermostats
Damper Movement
Demand Control Ventilation DCV
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CO2 Sensor Configuration
Table 23 – CO2 Sensor Standard Settings
EconoMi$er IV Preparation
Table 24 – 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
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C09157
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START-UP,GENERAL
PRE-START-UP
Unit Preparation
Gas Piping
Refrigerant Service Ports
Internal Wiring
Return-AirFilters
Outdoor-AirInlet Screens
Configuration
Field Service Test
Unit Start Delay
START-UP, RTU-MPCONTROL
Supply Fan Service Hours
Filter Service Hours
Compressor1 Service Hours
Compressor2 Service Hours
Input 1 Function
Space Sensor Type
Input 2 Function
Setpoint Slider Range
OPERATING SEQUENCES
Power Exhaust Setpt
Base Unit Controls
Cooling, Units Without Economizer
Demand Controlled Ventilation
Heating With EconoMi$er
Supplemental Controls
RTU-MPSequence of Operation
Scheduling
Always Occupied Default Occupancy
Local Schedule
BACnet Schedule
Cooling
Power Exhaust
Economizer
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Indoor Air Quality
FASTENER TORQUE VALUES
Demand Limit
Table 25 – Torque Values
Model Number Nomenclature
APPENDIX I. MODEL NUMBER SIGNIFICANCE
Serial Number Format
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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
580J**08
7.5 TON HORIZONTAL SUPPLY
10 TON HORIZONTAL SUPPLY
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10 TON VERTICAL SUPPLY
3 PHASE
12.5 TON HORIZONTAL SUPPLY
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3 PHASE
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General fan performance notes
12.5 TON VERTICAL SUPPLY
3 PHASE
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Pulley Adjustment
APPENDIX III. FAN PERFORMANCE cont
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ELECTRICAL INFORMATION
580J*08D,F
2---StageCooling
MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O
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APPENDIX IV. WIRING DIAGRAM LIST
Wiring Diagrams
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APPENDIX V. MOTORMASTER SENSOR LOCATIONS
Fig. 75 - 580J*08-12D,FOutdoor Circuiting
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TEMPERATURES
UNIT START-UPCHECKLIST
I. PRELIMINARY INFORMATION
III. START-UP