Carrier AquaSnap 30MPW Series Controls, Start-Up, Operation, Service, And Troubleshooting
Carrier AquaSnap 30MPW Series Controls, Start-Up, Operation, Service, And Troubleshooting

Carrier AquaSnap 30MPW Series Controls, Start-Up, Operation, Service, And Troubleshooting

Liquid chillers with scroll compressors and comfortlink controls
Table of Contents

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Controls, Start-Up, Operation,
Service, and Troubleshooting
CONTENTS
SAFETY CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . .2,3
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Conventions Used in this Manual . . . . . . . . . . . . . . . . 3
Basic Controls Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-36
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Main Base Board (MBB) . . . . . . . . . . . . . . . . . . . . . . . . . . 7
AUX Board (AUX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Energy Management Module (EMM) . . . . . . . . . . . . . . 7
Current Sensor Board (CSB) . . . . . . . . . . . . . . . . . . . . . 7
Expansion Valve (EXV) Board . . . . . . . . . . . . . . . . . . . . 7
Enable/Off/Remote Control Switch . . . . . . . . . . . . . . . 7
Emergency On/Off Switch . . . . . . . . . . . . . . . . . . . . . . . . 7
Board Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Control Module Communication . . . . . . . . . . . . . . . . . 7
Carrier Comfort Network
Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
• COOLER LEAVING FLUID SENSOR
• COOLER ENTERING FLUID SENSOR
• CONDENSER LEAVING FLUID SENSOR
• CONDENSER ENTERING FLUID SENSOR
• COMPRESSOR RETURN GAS
TEMPERATURE SENSOR
• OUTDOOR-AIR TEMPERATURE SENSOR
• DUAL LEAVING WATER TEMPERATURE SENSOR
• DISCHARGE TEMPERATURE THERMISTOR
• SPACE TEMPERATURE SENSOR
Energy Management Module . . . . . . . . . . . . . . . . . . . . 16
Loss-of-Cooler Flow Protection . . . . . . . . . . . . . . . . . 16
Condenser Flow Protection . . . . . . . . . . . . . . . . . . . . . 16
Electronic Expansion Valves (EXV) . . . . . . . . . . . . . 17
Capacity Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
• MINUTES LEFT FOR START
• MINUTES OFF TIME
• CAPACITY CONTROL OVERRIDES
Time, Day, and Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Cooling Set Point Select . . . . . . . . . . . . . . . . . . . . . . . . 25
Ice Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Cooler Pump Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Alarm Routing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Cooler Pump Sequence of Operation . . . . . . . . . . . 27
Condenser Pump/Condenser Fan Output
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Temperature Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Demand Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
• DEMAND LIMIT (2-Stage Switch Controlled)
• EXTERNALLY POWERED DEMAND LIMIT
(4 to 20 mA Controlled)
• DEMAND LIMIT (CCN Loadshed Controlled)
Cooling Set Point (4 to 20 mA) . . . . . . . . . . . . . . . . . . 34
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53300170-01
Page
Interface . . . . . . . . . . . . . 13
®
Printed in U.S.A.
Liquid Chillers with Scroll Compressors
and ComfortLink Controls
Digital Scroll Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36,37
System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
START-UP AND OPERATION. . . . . . . . . . . . . . . . . 37-40
Actual Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Check Refrigerant Charge. . . . . . . . . . . . . . . . . . . . . . . 38
Check Compressor Oil Level . . . . . . . . . . . . . . . . . . . . 39
Adjust Oil Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Operating Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
• TEMPERATURES
• VOLTAGE — ALL UNITS
OPERATION SEQUENCE. . . . . . . . . . . . . . . . . . . . . . . . 40
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-52
Service Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Electronic Components . . . . . . . . . . . . . . . . . . . . . . . . . 41
• CONTROL COMPONENTS
Electronic Expansion Valve (EXV). . . . . . . . . . . . . . . 41
EXV Troubleshooting Procedure . . . . . . . . . . . . . . . . 42
Compressor Replacement . . . . . . . . . . . . . . . . . . . . . . 44
30MP Cooler and 30MPW Condenser . . . . . . . . . . . 44
• BRAZED-PLATE COOLER AND CONDENSER
HEAT EXCHANGER REPLACEMENT
• BRAZED-PLATE COOLER AND CONDENSER
HEAT EXCHANGER CLEANING
Water Treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Oil Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Check Refrigerant Feed Components . . . . . . . . . . . 45
• FILTER DRIER
• MOISTURE-LIQUID INDICATOR
• THERMOSTATIC EXPANSION VALVE (TXV)
• MINIMUM LOAD VALVE
• PRESSURE RELIEF DEVICES
Check Unit Safeties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Thermistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Pressure Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Chilled Water Flow Switch . . . . . . . . . . . . . . . . . . . . . . 47
Strainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Replacing Defective Modules . . . . . . . . . . . . . . . . . . . 52
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Recommended Maintenance Schedule . . . . . . . . . . 52
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 52-71
Complete Unit Stoppage and Restart. . . . . . . . . . . . 52
• GENERAL POWER FAILURE
• UNIT ENABLE-OFF-REMOTE CONTROL SWITCH
IS OFF
• CHILLED FLUID PROOF-OF-FLOW SWITCH OPEN
• OPEN 24-V CONTROL CIRCUIT BREAKER(S)
• COOLING LOAD SATISFIED
• THERMISTOR FAILURE
• ENABLING AND DISABLING COMPRESSORS
• COMPRESSOR DISCHARGE CHECK VALVE
• LOW SATURATED SUCTION
• COMPRESSOR SAFETIES
Form 30MP-4T
AquaSnap
30MPA,MPW015-071
Pg 1
8-17
Replaces: 30MP-3T
®
Page

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Summarization of Contents

SAFETY CONSIDERATIONS
GENERAL
Covers manual conventions and basic control usage for 30MPW and 30MPA liquid chillers.
BASIC CONTROLS USAGE
Explains the scrolling marquee display, keypad interface, and navigation for ComfortLink controls.
CONTROLS
Carrier Comfort Network® Interface
Details on connecting the 30MP chiller to the CCN communication bus using shielded cable.
Sensors
Lists and describes various thermistors used for chiller operation control.
Energy Management Module
Describes the EMM module for temperature reset, demand limit, and ice features.
Electronic Expansion Valves (EXV)
Details the function and operation of EXVs for maintaining compressor superheat.
Capacity Control
Explains how capacity is determined by fluid temperature difference and rate of change.
Temperature Reset
Describes temperature reset capabilities based on return fluid, OAT, SPT, or 4-20mA signal.
Demand Limit
Explains the three types of demand limiting: 2-stage switch, 4-20mA input, and CCN loadshed.
Cooling Set Point (4 to 20 mA)
Details using an external 4-20 mA signal for setting the leaving fluid temperature.
Digital Scroll Option
DIGITAL SCROLL OPERATION
Explains how digital scroll compressors operate in loaded and unloaded states for capacity control.
PRE-START-UP
Lists essential checks before initiating chiller start-up procedures.
System Check
Details checks for auxiliary components, wiring, and fluid circuits before chiller operation.
START-UP AND OPERATION
Actual Start-Up
Provides step-by-step instructions for starting the chiller unit.
Check Refrigerant Charge
Details procedures for checking and adjusting refrigerant charge for proper operation.
EVACUATION AND DEHYDRATION
Explains the process of evacuating and dehydrating the system to remove moisture.
LIQUID CHARGING METHOD
Check Compressor Oil Level
Describes how to check compressor oil levels via sight glass after operation.
Adjust Oil Charge
Provides guidance on adding oil to maintain proper compressor oil levels.
Operating Limitations
TEMPERATURES
Lists standard temperature limits for 30MP units and specific compressor requirements.
OPERATION SEQUENCE
Details the sequence of unit operation initiation upon receiving a call for cooling.
SERVICE
Provides access to service functions, including Service Test mode.
Service Test
Explains how to use the Service Test function to verify component operation.
EXV Troubleshooting Procedure
EXV VALVE REPLACEMENT
Step-by-step procedure for replacing the electronic expansion valve.
VALVE MOTOR REPLACEMENT
Procedure for replacing the EXV motor assembly.
Compressor Replacement
BRAZED-PLATE COOLER AND CONDENSER HEAT EXCHANGER REPLACEMENT
Instructions for replacing brazed-plate heat exchangers due to leaks.
BRAZED-PLATE COOLER AND CONDENSER HEAT EXCHANGER CLEANING
Water Treatment
Guidance on water treatment to prevent corrosion, scaling, and algae.
Oil Charge
Covers oil types, recommendations, and procedures for charging oil.
Check Refrigerant Feed Components
Details on filter driers, moisture indicators, and TXVs.
Check Unit Safeties
HIGH-PRESSURE SWITCH
Describes the high-pressure switch function and settings for safety.
Thermistors
Explains thermistor usage, resistance values, and replacement procedures.
THERMISTOR/TEMPERATURE SENSOR CHECK
Details how to check thermistor accuracy using a digital voltmeter.
Pressure Transducers
Describes pressure transducer function, color coding, and calibration.
TROUBLESHOOTING
Chilled Water Flow Switch
Explains the operation and troubleshooting of the chilled water flow switch.
Replacing Defective Modules
Recommended Maintenance Schedule
Provides guidelines for routine maintenance tasks.
TROUBLESHOOTING
Lists possible causes and reset methods for unit stoppages.
Complete Unit Stoppage and Restart
Details causes for unit stoppage and methods for restart.
Compressor Cycles Off on Loss of Charge
Compressor Cycles Off on Out of Range Condition
Addresses issues when compressor cycles off due to out-of-range conditions.
Compressor Shuts Down on High-Pressure Control
Explains reasons for compressor shutdown due to high-pressure control.
Compressor Loses Oil
Covers causes and remedies for compressor oil loss.
Freeze-Up
Addresses issues related to freeze-up conditions and their causes.
Motor Overload Protection
COPELAND* COMPRESSORS MODELS WITH ELECTRICAL CODE TW OR TE
Details motor overload systems for Copeland TW or TE code compressors.
Kriwan Motor Protection Module Troubleshooting
BITZER* PROTECTION MODULE
Describes the Lodam motor protection modules used with Bitzer compressors.
FIELD TROUBLESHOOTING SOLID-STATE MOTOR PROTECTION MODULE
Provides steps to troubleshoot solid-state motor protection modules.
Warning Codes (Green LED Flash Code)
Alert/Lockout Codes (Red LED Flash Code)
Details alert and lockout codes indicated by red LED flashes.
BITZER* PROTECTION MODULE
Alarms and Alerts
Explains warnings and fault conditions, including code numbers.
Table 54 — Alarm and Alert Codes
A048 Alarm Circuit A Compressor Availability Alarm
Details alarm for compressor availability issues on circuit A.
T051 Alert Circuit A, Compressor 1 Failure
Alert for compressor 1 failure due to feedback signal mismatch.
A051 Alarm Circuit A, Compressor 1 Stuck on Failure
Alarm for compressor 1 stuck on due to CSB feedback signal.
A060 Alarm Cooler Leaving Fluid Thermistor Failure
Alarm for cooler leaving fluid thermistor failure outside normal range.
A061 Alarm Cooler Entering Fluid Thermistor Failure
Alarm for cooler entering fluid thermistor failure outside normal range.
A077 Alarm Circuit A Saturated Suction Temperature exceeds Cooler Leaving Fluid Temperature
Alarm when SST exceeds LWT, indicating potential system issues.
A090 Alarm Circuit A Discharge Pressure Transducer Failure
Alarm for discharge pressure transducer failure outside operating range.
A092 Alarm Circuit A Suction Pressure Transducer Failure
Alarm for suction pressure transducer failure outside operating range.
Table 54 — Alarm and Alert Codes (cont)
A116 Alarm Circuit A Low Cooler Suction Temperature
Alarm for low cooler suction temperature due to compressor unloading.
A122 Alarm High Pressure Switch Trip Circuit A
Alarm indicating a high pressure switch trip on circuit A.
A126 Alarm Circuit A High Head Pressure
Alarm for high head pressure exceeding the operating envelope.
A133 Alarm Circuit A Low Suction Pressure
Alarm for low suction pressure or saturated suction temperature.
A151 Alarm Illegal Configuration
Alarm indicating an illegal configuration has been entered in the system.
A172 Alarm Loss of Communication with EXV Board
Alarm for communication issues between MBB and EXV board.
T173 Alert Energy Management Module Communication Failure
Alert for communication failure with the Energy Management Module (EMM).
T174 Alert 4 to 20 mA Cooling Set point Input Failure
Alert for 4-20 mA cooling set point input failure outside normal range.
COMPRESSOR FAILURE ALERTS
A048 (Circuit A Compressor Availability Alarm)
Alarm indicating compressor availability issues on circuit A.
T051, T052, T053 (Circuit A Compressor Failures)
Alerts for compressor failures due to current sensor feedback mismatch.
Compressor Overload
Discusses internal/external overload protector activation and causes.
COMPRESSOR STUCK ON FAILURE ALARMS
A051, A052, A053
Alarms for compressors stuck on due to current sensor reporting.
A060 (Cooler Leaving Fluid Thermistor Failure)
Alarm for cooler leaving fluid thermistor failure outside normal range.
A061 (Cooler Entering Thermistor Failure)
Alarm for cooler entering fluid thermistor failure outside normal range.
A077 (Circuit Saturated Suction Temperature Exceeds Cooler Leaving Water Temperature)
Alarm when SST exceeds LWT, indicating potential system issues.
A090 (Circuit A Discharge Pressure Transducer Failure)
Alarm for discharge pressure transducer failure outside operating range.
A092 (Circuit A Suction Pressure Transducer Failure)
Alarm for suction pressure transducer failure outside operating range.
A133 (Circuit A Low Suction Pressure)
A114 (Circuit A Low Superheat)
Alarm for low superheat condition on circuit A.
A116 (Circuit A Low Cooler Suction Temperature)
Alarm for low cooler suction temperature due to compressor unloading.
A122 (Circuit A, High Pressure Switch Failure)
Alarm indicating a high pressure switch failure on circuit A.
A126 (Circuit A High Head Pressure)
Alarm for high head pressure exceeding the operating envelope.
A140 — Reverse Rotation Detected
Criteria for Trip
Defines the conditions that trigger the reverse rotation alarm.
Action To Be Taken
Specifies immediate actions taken by the control upon detecting reverse rotation.
Possible Causes
Lists potential reasons for reverse rotation detection.
A151 — Illegal Configuration Alarm
Criteria for Trip
Conditions that trigger the illegal configuration alarm.
Possible Causes
Lists potential causes for the illegal configuration alarm.
A152 (Unit Down Due to Failure)
A172 (Loss of Communication with the EXV Board)
Alarm for communication issues between MBB and EXV board.
T173 Alert Energy Management Module Communication Failure
Alert for communication failure with the Energy Management Module (EMM).
T174 (4 to 20 mA Cooling Set point Input Failure)
Alert for 4-20 mA cooling set point input failure outside normal range.
T176 (4 to 20 mA Temperature Reset Input Failure)
P200 (Coder Flow/Interlock Contacts Failed to Close at Start-Up Pre-Alarm)
Pre-alarm for cooler flow/interlock contacts failing to close at start-up.
T200 (Cooler Flow Interlock Contacts Failed to Close at Start-Up Alert)
Alert for cooler flow/interlock contacts failing to close at start-up.
P201 (Cooler Flow/Interlock Contacts Opened During Normal Operation Pre-alarm)
Pre-alarm for cooler flow/interlock contacts opening during normal operation.
A201 (Cooler Flow/Interlock Contacts Opened During Normal Operation Alarm)
Alarm for cooler flow/interlock contacts opening during normal operation.
A202 (Cooler Pump Interlock Closed When Pump is Off Alarm)
Alarm when cooler pump interlock is closed while pump is off.
A221 (Condenser Pump Interlock Opened During Normal Operation Alarm)
T203 (Loss of Communication with the Slave Chiller Alert)
Alert for loss of communication between master and slave chillers.
T204 (Loss of Communication with the Master Chiller Alert)
Alert for loss of communication between slave and master chillers.
T205 (Master and Slave Chiller with Same Address Alert)
Alert when master and slave chillers share the same CCN address.
T206 (High Leaving Chilled Water Temperature Alert)
Alert for high leaving chilled water temperature exceeding limits.
A207 (Cooler Freeze Protection Alarm)
Alarm triggered when cooler leaving water temperature drops below freeze point.
A208 (EWT or LWT Thermistor Failure Alarm)
Alarm for EWT or LWT thermistor failure.
A220 (Condenser Pump Interlock Failure to Close At Start Up Alarm)
Alarm for condenser pump interlock failure to close at start-up.
A221 (Condenser Pump Interlock Opened During Normal Operation Alarm)
A222 (Condenser Pump Interlock Closed When Pump is Off Alarm)
Alarm when condenser pump interlock is closed while pump is commanded off.
T302 (Strainer Blowdown Scheduled Maintenance Due)
Alert indicating scheduled strainer maintenance is due.
T500, T501, T502 (Current Sensor Board Failure — Circuit Ax)
Alerts for current sensor board failures on compressors A1, A2, A3.
T950 (Loss of Communication with Water System Manager)
Alert for loss of communication with the Water System Manager.
A951 (Loss of Communication with Chillervisor System Manager)
Alarm for loss of communication with the Chillervisor System Manager.
Temperature Mode and Sub-Mode Directory
Pressures Mode and Sub-Mode Directory
Directory for accessing pressure-related modes and sub-modes.
Set Points Mode and Sub-Mode Directory
Directory for accessing set point modes and sub-modes.
Inputs Mode and Sub-Mode Directory
Directory for accessing input modes and sub-modes.
Outputs Mode and Sub-Mode Directory
Directory for accessing output modes and sub-modes.
Configuration Mode and Sub-Mode Directory
UNIT (Configuration Settings)
Configuration settings for the unit type, size, and compressor details.
OPTIONS1 (Options Configuration)
Configuration options for hardware like cooler fluid and minimum load valve.
OPTIONS2 (Options Configuration)
Configuration options for controls such as control method and demand limit.
Configuration Mode and Sub-Mode Directory (cont)
EXV.A (Circuit A EXV Configuration)
Configuration parameters for the EXV in circuit A.
CCN (CCN Network Configuration)
Configuration settings for the Carrier Comfort Network (CCN) address and bus.
SETPOINT
Set points for cooling, head pressure, and brine freeze.
Configuration Mode and Sub-Mode Directory (cont)
Time Clock Mode and Sub-Mode Directory
Directory for time clock settings including date, time, and DST.
HOL.L LOCAL HOLIDAY SCHEDULES
Configuration for local holiday schedules, including start month, day, and duration.
CCN DISPLAY TABLES
A-UNIT GENERAL UNIT PARAMETERS
Parameters for general unit settings like control mode and setpoints.
CIRCUIT A ANALOG PARAMETERS
Analog parameters related to circuit A, including pressures and temperatures.
CIRCUIT A DISCRETE INPUTS/OUTPUTS
Discrete inputs and outputs for circuit A, including relays and feedback signals.
OPTIONS UNIT PARAMETERS
Unit parameters related to options such as cooler fluid and temperature reset.
TEMPERATURE RESET
Parameters for temperature reset functions using analog inputs.
DEMAND LIMIT
Parameters for demand limiting functions via analog signals.
CCN MAINTENANCE TABLES
EXVA_TAB
Configuration table for EXV operation parameters.
CURRMODS
Table for current operating modes of the unit.
CCN MAINTENANCE TABLES (cont)
ALARMS
List of active alarms and their codes.
LOADFACT CAPACITY CONTROL
Parameters for capacity control, including ramp loading and demand limit.
TESTMODE
Settings for service test mode operations.
CCN CONFIGURATION TABLES
UNIT UNIT CONFIGURATION
Configuration settings for unit type, size, and compressor digital status.
OPTIONS1 OPTIONS 1 CONFIGURATION
Configuration for hardware options like cooler fluid and sensor enables.
OPTIONS2 OPTIONS 2 CONFIGURATION
Configuration for control options like control method and ice mode.
CCN CONFIGURATION TABLES (cont)
DUALCHILL DUAL CHILLER CONFIGURATION SETTINGS
Configuration settings for dual chiller operation, including lead/lag.
EXVACONF EXV CIRCUIT A CONFIGURATION
Configuration parameters for EXV operation in Circuit A.
CCN SERVICE TABLES
CCN SETPOINT TABLES
Tables for CCN setpoints including cooling, ice, and ramp loading.
APPENDIX C — BACNET COMMUNICATION OPTION
TO ADDRESS THE UPC OPEN CONTROLLER
Procedure for assigning a unique address to the UPC Open controller.
BACNET DEVICE INSTANCE ADDRESS
Explanation of BACnet Device Instance address and its uniqueness.
APPENDIX C — BACNET COMMUNICATION OPTION (cont)
CONFIGURING THE BAS PORT FOR BACNET MS/TP
Steps to configure the BAS Port for BACnet MS/TP communications.
WIRING THE UPC OPEN CONTROLLER TO THE MS/TP NETWORK
Instructions for wiring the UPC Open controller to the MS/TP network.
APPENDIX C — BACNET COMMUNICATION OPTION (cont)
MS/TP WIRING RECOMMENDATIONS
Wiring specifications and vendor recommendations for MS/TP.
APPENDIX C — BACNET COMMUNICATION OPTION (cont)
LOCAL ACCESS TO THE UPC OPEN CONTROLLER
Using BACview handheld or software for local controller access.
CONFIGURING THE UPC OPEN CONTROLLER'S PROPERTIES
Setting CCN address and bus number for UPC Open controller.
APPENDIX C — BACNET COMMUNICATION OPTION (cont)
TROUBLESHOOTING
Troubleshooting BACnet communication issues, including LEDs.
COMMUNICATION LEDS
Explains the meaning of communication LEDs on the UPC Open controller.
REPLACING THE UPC OPEN BATTERY
Procedure for replacing the UPC Open controller's lithium battery.
NETWORK POINTS LIST
List of network points for the controller.
APPENDIX C — BACNET COMMUNICATION OPTION (cont)
Table G — Network Points List
List of network points with CCN, range, units, and object IDs.

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