Carrier Air Conditioner specifications T153, T155, T170, T173, T174, T176, T177

Page 51

Table 29 — Alarm and Alert Codes (cont)

ALARM/

ALARM

 

WHY WAS THIS

ACTION TAKEN

RESET

PROBABLE

ALERT

OR

DESCRIPTION

ALARM

BY CONTROL

METHOD

CAUSE

CODE

ALERT

 

GENERATED?

 

 

 

 

 

 

 

 

 

 

 

A150

Alarm

Emergency Stop

CCN emergency stop

Chiller shutdown

Automatic once

CCN Network

 

 

 

command received

without going

CCN command for

command.

 

 

 

 

through pumpdown.

EMSTOP returns

 

 

 

 

 

 

to normal

 

A151

Alarm

Illegal Configuration

One or more of the ille-

Chiller is not

Manual once con-

Configuration

 

 

 

gal configurations

allowed to start.

figuration errors

error. See Note on

 

 

 

exists.

 

are corrected

page 52.

A152

Alarm

Unit Down Due to

Both circuits are down

Chiller is unable

Automatic once

Alarm notifies user

 

 

Failure

due to alarms/alerts.

to run.

alarms/alerts are

that chiller is100%

 

 

 

 

 

cleared that pre-

down.

 

 

 

 

 

vent the chiller

 

 

 

 

 

 

from starting.

 

T153

Alert

Real Time Clock

Internal clock on MBB

Occupancy sched-

Automatic when

Time/Date/Month/

 

 

Hardware Failure

fails

ule will not be used.

correct clock con-

Day/Year not prop-

 

 

 

 

Chiller defaults to

trol restarts.

erly set.

 

 

 

 

Local On mode.

 

 

A154

Alarm

Serial EEPROM

Hardware failure with

Chiller is unable

Manual

Main Base Board

 

 

Hardware Failure

MBB

to run.

 

failure.

T155

Alert

Serial EEPROM

Configuration/storage

No Action

Manual

Potential failure of

 

 

Storage Failure

failure with MBB

 

 

MBB. Download

 

 

 

 

 

 

current operating

 

 

 

 

 

 

software. Replace

 

 

 

 

 

 

MBB if error

 

 

 

 

 

 

occurs again.

A156

Alarm

Critical Serial

Configuration/storage

Chiller is not

Manual

Main Base Board

 

 

EEPROM Storage

failure with MBB

allowed to run.

 

failure.

 

 

Failure

 

 

 

 

A157

Alarm

A/D Hardware

Hardware failure with

Chiller is not

Manual

Main Base Board

 

 

Failure

peripheral device

allowed to run.

 

failure.

T170

Alert

Loss of Communica-

MBB loses communica-

Compressors A3,

Automatic

Wiring error, faulty

 

 

tion with CXB

tion with CXB

A4 and B3 and

 

wiring or failed

 

 

 

 

unloaders A2/B2

 

CXB module.

 

 

 

 

unable to operate.

 

 

A172

Alarm

Loss of Communica-

MBB loses communica-

Chiller shutdown

Automatic

Wiring error, faulty

 

 

tion with EXV

tion with EXV

without going

 

wiring or failed

 

 

 

 

through pumpdown.

 

EXV module.

T173

Alert

Loss of Communica-

MBB loses communica-

4 to 20 mA tempera-

Automatic

Wiring error, faulty

 

 

tion with EMM

tion with EMM

ture reset disabled.

 

wiring or failed

 

 

 

 

Demand Limit set to

 

Energy Manage-

 

 

 

 

100%. 4 to 20 mA

 

ment Module

 

 

 

 

set point disabled.

 

(EMM).

T174

Alert

4 to 20 mA Cooling

If configured with EMM

Set point function

Automatic

Faulty signal gen-

 

 

Set Point Input Fail-

and input less than

disabled. Chiller

 

erator, wiring

 

 

ure

2 mA or greater than

controls to CSP.1.

 

error, or faulty

 

 

 

22 mA

 

 

EMM.

T176

Alert

4 to 20 mA Tempera-

If configured with EMM

Reset function dis-

Automatic

Faulty signal gen-

 

 

ture Reset Input

and input less than

abled. Chiller

 

erator, wiring

 

 

Failure

2 mA or greater than

returns to normal

 

error, or faulty

 

 

 

22 mA

set point control.

 

EMM.

T177

Alert

4 to 20 mA Demand

If configured with EMM

Demand limit func-

Automatic

Faulty signal gen-

 

 

Limit Input Failure

and input less than

tion disabled. Chiller

 

erator, wiring

 

 

 

2 mA or greater than

returns to 100%

 

error, or faulty

 

 

 

22 mA

demand limit

 

EMM.

 

 

 

 

control.

 

 

 

 

 

 

 

 

 

A200

Alarm

Cooler Pump Inter-

Interlock not closed

Cooler pump shut

Manual

Failure of cooler

 

 

lock Failure to Close

within 5 minutes after

off. Chiller shutdown

 

pump, flow switch,

 

 

at Start-Up

unit is started

without going

 

or interlock.

 

 

 

 

through pumpdown.

 

 

A201

Alarm

Cooler Pump Inter-

Interlock opens during

Cooler pump shut

Manual

Failure of cooler

 

 

lock Opened During

operation

off. Chiller shutdown

 

pump, flow switch,

 

 

Normal Operation

 

without going

 

or interlock.

 

 

 

 

through pumpdown.

 

 

A202

Alarm

Cooler Pump Inter-

If configured for cooler

Chiller is not

Manual

Failure of cooler

 

 

lock Closed When

pump control and inter-

allowed to start.

 

pump relay or

 

 

Pump is Off

lock closes while cooler

 

 

interlock, welded

 

 

 

pump relay is off

 

 

contacts.

 

 

 

 

 

 

 

51

Image 51
Contents Contents Safety ConsiderationsContents GeneralIntroduction Unit Nominal Section a Section B 30GTN,R Tons Unit 30GTN,R Major System ComponentsUnit Sizes and Modular Combinations 30GTN,R Unit Sizes and Modular Combinations 30GUN,RControl Module Communication Carrier Comfort Network CCN InterfaceThermistor Designations Output Relay Status SwitchesPage 24 V Control Schematic, Unit Sizes 24 V Control Schematic, Unit Sizes 080-110, 230B-315B CCN LEN Data Communication Port Main Base Board 040-110 130-210 Operating DataThermistor T3 and T4 Locations Compressor Thermistor Locations T7 and T8 Columbia D6451 Manhattan M13402 M64430 Quabik 6130 Regular Wiring Plenum Wiring Alpha 1895 AmericanManufacturer Belden 8205Compressor Protection Control System Module Sizes Stepper Motor 12 VDC CEPL130351 Approx Part Load Data Percent Displacement, Standard UnitsDisplacement Compressors 30GUN,R255A 60 Hz 110, 290B390B 50 Hz 330A/B360B 50 Hz 390B 60 HzB1† A1,B1 A1†,A2,B1 A1*,B1†,B2 Unloaded compressor Two unloaders, both unloaded 190, 290A, 360A/B 170, 270AA1*,B1*,B2 150-210 Required Hardware for Additional UnloadersPumpout Head Pressure ControlFAN Arrangement FAN Relay Normal Control PowerScrolling Marquee Display Service Test See Both main powerGEN.O Test ModesVers Run Status Mode and Sub-Mode DirectorySUB-MODE Keypad Range Item Expansion Comment Entry View StrtService Test Mode and Sub-Mode Directory SUB-MODE Keypad Range Item Expansion Comment Entry TestOuts Temperature Mode and Sub-Mode Directory Pressure Mode and Sub-Mode DirectorySet Point Mode and Sub-Mode Directory Crct Inputs Mode and Sub-Mode DirectoryReading and Changing Chilled Fluid Set Point SUB-MODE Keypad Range Item Expansion Comment Entry GEN.IOutputs Mode and Sub-Mode Directory Configuration Mode and Sub-Mode DirectorySUB-MODE Keypad Range Item Expansion Comment Entry GEN.O EMM OPT1OPT2 CCNRset 240SUB-MODE Keypad Display Item Expansion Comment Entry Rset Example of Temperature Reset Return Fluid ConfigurationExample of Configuring Dual Chiller Control Master Chiller Example of Configuring Dual Chiller Control Slave ChillerSUB-MODE Keypad Entry Display Item Expansion Comment Rset SUB-MODE Keypad Entry Item Expansion Comment Range Time Example of Compressor Lead/Lag ConfigurationTime Clock Mode and Sub-Mode Directory SUB-MODE Keypad Display Item Expansion Comment Entry OPT2Operating Mode and Sub-Mode Directory Setting an Occupied Time ScheduleOperating Modes Mode no Item Expansion DescriptionExample of Reading and Clearing Alarms Alarms Mode and Sub-Mode DirectoryEntry Expansion Configuring Temperature ResetMode Keypad SUB-MODE ConfigurationRED LED Entry Expansion Configuration DLS2 Configuring Demand LimitTo 20 mA Demand Limiting TroubleshootingPage T051 Alarm and Alert CodesLCW By Control Method Cause Code Alert GENERATED?EWT FSMT173 T153T155 T170T206 T203T204 T205Compressor OIL Required ServiceElectronic Components Oil ChargeCooler Thermistor Locations Components for Part Number Plugging PlugsCooler Head Bolt Tightening Sequence Typical Tube Sheet Condenser CoilsDimension FAN Type Condenser Fan Adjustment Hz Low Noise Fan Option UnitsRefrigerant Feed Components Each circuit has Printed Circuit Board ConnectorThermistors Temperature Sensors 5K Thermistor Temperature F vs Resistance/Voltage Drop BDrop a 5K Thermistor Temperature C vs Resistance/Voltage Temp Voltage Resistance Drop 200,510 30GUN,R Units Pressure Switch Settings Psig kPaSwitch Cutout CUT-IN 30GTN,R UnitsSystem Check PRE-START-UPSTART-UP and Operation Temperature Limits for Standard UnitsTemperature Maximum Ambient Temperature 125Field Wiring Refrigerant CircuitNominal and Minimum Cooler Fluid Flow Rates ALM CWPHgbps Energy Management Module EMM Wiring Compressor Expansion Board CXB Accessory Wiring Description Status Default Point Unit Configuration SettingsOPTIONS1 Options Configuration Description Status Default Units PointOPTIONS2 Options Configuration Alarmdef Alarm Definition TableAppendix a CCN Tables Brodefs Broadcast POC Definition Table Resetcon Temperature Reset and Demand LimitDescription Status Units Point Forceable Aunit General Unit ParametersCircaan Circuit a Analog Parameters Circadio Circuit a Discrete ParametersCircbdio Circuit B Discrete Parameters Circban Circuit B Analog ParametersOptions Unit Parameters Description Status Units Point StrthourCurrmods Description Status Units Point DefaultsCSM/FSM Equipment Table Type 621H, Block Line Description PointDescription Status Point Cooler Fluid Pressure Drop Curves 30GUN,GUR040-110 Appendix B Fluid Drop Pressure CurvesAppendix B Fluid Drop Pressure Curves Cooler Fluid Pressure Drop Curves 30GUN,GUR130-210Cooler Pressure Drop KEY Appendix B Fluid Drop Pressure Curves Cooler Fluid Pressure Drop Curves 30GUN,GUR230B-315B Cooler Fluid Pressure Drop Curves 30GTN,GTR040-110 Cooler Fluid Pressure Drop Curves 30GTN,GTR130-210 Appendix B Fluid Drop Pressure Curves Module B 30GTN,GTR230,245 Module B 30GTN,GTR255,290,315 Call for Free Catalog Service TrainingSTART-UP Checklist for Comfortlink Chiller Systems Remove and use for job file Preliminary InformationEquipment Chiller Model no Preliminary Equipment Check Check box if complete UnitStart-Up System Fluid Volume in Loop Type SystemUnit Start-Up Baud Description Status Units Value CtrlCcna CcnbSlct Heating Cooling Setpoint Select CND.P RMT.A All Units

Air Conditioner specifications

Carrier Air Conditioners have long been synonymous with reliability and innovation in climate control. Founded by Willis Carrier, the inventor of modern air conditioning, the brand has continuously set industry standards through state-of-the-art technologies and features designed to enhance indoor comfort.

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In terms of design, Carrier air conditioners come in various styles and capacities to suit a wide range of spaces, from compact apartment units to large central systems for sprawling homes. Their extensive warranty and service offerings further reinforce Carrier’s commitment to customer satisfaction.

In conclusion, Carrier air conditioners represent a perfect blend of cutting-edge technology, energy efficiency, and user comfort. Their emphasis on sustainability and smart features positions them as a leading choice for homeowners seeking reliable and innovative climate control solutions. Whether for cooling a small room or an entire house, Carrier remains a trusted name in air conditioning.