Carrier Air Conditioner specifications T203, T204, T205, T206, T951

Page 52

Table 29 — Alarm and Alert Codes (cont)

ALARM/

ALARM

 

WHY WAS THIS

ACTION TAKEN

RES

PROBABLE

ALERT

OR

DESCRIPTION

ALARM

BY CONTROL

METHOD

CAUSE

CODE

ALERT

 

GENERATED?

 

 

 

 

 

 

 

 

 

 

 

T203

Alert

Loss of Communica-

Master MBB loses

Dual chiller control dis-

Automatic

Wiring error, faulty wir-

 

 

tion with Slave Chiller

communication with

abled. Chiller runs as a

 

ing, failed Slave MBB

 

 

 

Slave MBB

stand-alone machine.

 

module, power loss at

 

 

 

 

 

 

Slave chiller, wrong

 

 

 

 

 

 

slave address.

T204

Alert

Loss of Communica-

Slave MBB loses com-

Dual chiller control dis-

Automatic

Wiring error, faulty wir-

 

 

tion with Master Chiller

munication with Master

abled. Chiller runs as a

 

ing, failed Master MBB

 

 

 

MBB

stand-alone machine

 

module, power loss at

 

 

 

 

 

 

Master chiller.

T205

Alert

Master and Slave

Master and slave chiller

Dual chiller routine dis-

Automatic

CCN Address for both-

 

 

Chiller with Same

have the same CCN

abled. Master/slave run

 

chillers is the same.

 

 

Address

address (CCN.A)

as stand-alone chillers.

 

Must be different.

 

 

 

 

 

 

Check CCN.A under

 

 

 

 

 

 

the OPT2 sub-mode in

 

 

 

 

 

 

configuration at both

 

 

 

 

 

 

chillers.

 

 

 

 

 

 

 

T206

Alert

High Leaving Chilled

LWT read is greater

Alert only. No action

Automatic

Building load greater

 

 

Water Temperature

than LCW Alert Limit,

taken.

 

than unit capacity, low

 

 

 

plus control point and

 

 

water/brine flow or

 

 

 

Total capacity is 100%

 

 

compressor fault.

 

 

 

and LWT is greater

 

 

Check for other

 

 

 

than LWT reading one

 

 

alarms/alerts.

 

 

 

minute ago

 

 

 

A207

Alarm

Cooler Freeze

Cooler EWT or LWT is

Chiller shutdown with-

Automatic for

Faulty thermistor (T1/

 

 

Protection

less than freeze*

out going through

first occurrence

T2), low water flow.

 

 

 

 

pumpdown. Cooler

of day. Manual

 

 

 

 

 

pump continues to run

reset thereafter.

 

 

 

 

 

(if control enabled).

 

 

A208

Alarm

Low Cooler Fluid Flow

Cooler EWT is less

Chiller shutdown with-

Manual

Faulty cooler pump,

 

 

 

than LWT by 3° F

out going through

 

low water flow, plugged

 

 

 

(1.7° C) for 1 minute

pumpdown. Cooler

 

fluid strainer.

 

 

 

after a circuit is started

pump shut off (if control

 

 

 

 

 

 

enabled).

 

 

 

 

 

 

 

 

 

T950

Alert

Loss of Communica-

No communications

WSM forces removed.

Automatic

Failed module, wiring

 

 

tion with WSM

have been received by

Chiller runs under own

 

error, failed trans-

 

 

 

MBB within 5 minutes

control.

 

former, loose connec-

 

 

 

of last transmission

 

 

tion plug, wrong

 

 

 

 

 

 

address.

T951

Alert

Loss of Communica-

No communications

FSM forces removed.

Automatic

Failed module, wiring

 

 

tion with FSM

have been received by

Chiller runs under own

 

error, failed trans-

 

 

 

MBB within 5 minutes

control.

 

former, loose connec-

 

 

 

of last transmission

 

 

tion plug, wrong

 

 

 

 

 

 

address.

 

LEGEND

CCN

— Carrier Comfort Network

CPCS — Compressor Protection Control System

CXB

— Compressor Expansion Board

EMM

— Energy Management Module

EXV

— Electronic Expansion Valve

FSM

— Flotronic™ System Manager

LCW

— Leaving Chilled Water

LWT

— Leaving Fluid Temperature

MBB

— Main Base Board

MOP

— Maximum Operating Pressure

WSM

— Water System Manager

*Freeze is defined as 34° F (1.1 C) for water. For brine fluids, freeze is CSP.1 –8° F (4.4 C) for single set point and lower of CSP.1 or CSP.2 –8° F (4.4 C) for dual set point configuration.

NOTE: The following table shows illegal configurations:

1Unit type = 0.

24 Compressors in a circuit with 2 unloaders.

34 Compressors in a circuit with 1 unloader and hot gas bypass.

42 Unloaders and hot gas bypass in a circuit.

5More than one compressor difference between circuits (e.g., 4 compressors in Ckt A, 2 in Ckt B).

6Water cooled units with optional thermistors and configured for head pressure control.

7Split system chillers with optional thermistors and configured for head pressure control.

8Low temperature brine selected for air cooled chillers or split systems with air cooled head pressure control.

9Water cooled unit configured for air cooled head pressure control.

Air cooled head pressure control with common fan staging

10and different head pressure control methods for each circuit (EXV controlled vs. set point controlled).

11Lead/lag enabled, Master selected and Cooling Set Point select is LWT POT.

12Water cooled or split units (units types 2, 3, 4) with more than one compressor on a circuit.

13Condenser pump interlock enabled on air cooled unit.

14Unit type changed.

15Low pressure set points out of range.

16Cooler fluid type is water and ice mode is enabled.

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Contents Safety Considerations ContentsGeneral ContentsIntroduction Major System Components Unit Sizes and Modular Combinations 30GTN,RUnit Sizes and Modular Combinations 30GUN,R Unit Nominal Section a Section B 30GTN,R Tons Unit 30GTN,RCarrier Comfort Network CCN Interface Control Module CommunicationThermistor Designations Status Switches Output RelayPage 24 V Control Schematic, Unit Sizes 24 V Control Schematic, Unit Sizes 080-110, 230B-315B CCN LEN Data Communication Port Main Base Board Operating Data 040-110 130-210Thermistor T3 and T4 Locations Compressor Thermistor Locations T7 and T8 Regular Wiring Plenum Wiring Alpha 1895 American ManufacturerBelden 8205 Columbia D6451 Manhattan M13402 M64430 Quabik 6130Compressor Protection Control System Module Sizes Stepper Motor 12 VDC CEPL130351 Part Load Data Percent Displacement, Standard Units Displacement Compressors30GUN,R Approx110, 290B 255A 60 Hz330A/B 360B 50 Hz390B 60 Hz 390B 50 HzB1† A1,B1 A1†,A2,B1 A1*,B1†,B2 Unloaded compressor Two unloaders, both unloaded 170, 270A 190, 290A, 360A/BA1*,B1*,B2 Required Hardware for Additional Unloaders 150-210Head Pressure Control PumpoutPower FAN Arrangement FAN Relay Normal ControlService Test See Both main power Scrolling Marquee DisplayModes GEN.O TestRun Status Mode and Sub-Mode Directory SUB-MODE Keypad Range Item Expansion Comment Entry ViewStrt VersSUB-MODE Keypad Range Item Expansion Comment Entry Test Service Test Mode and Sub-Mode DirectoryOuts Pressure Mode and Sub-Mode Directory Temperature Mode and Sub-Mode DirectorySet Point Mode and Sub-Mode Directory Inputs Mode and Sub-Mode Directory Reading and Changing Chilled Fluid Set PointSUB-MODE Keypad Range Item Expansion Comment Entry GEN.I CrctConfiguration Mode and Sub-Mode Directory Outputs Mode and Sub-Mode DirectorySUB-MODE Keypad Range Item Expansion Comment Entry GEN.O OPT1 OPT2CCN EMM240 RsetExample of Temperature Reset Return Fluid Configuration SUB-MODE Keypad Display Item Expansion Comment Entry RsetExample of Configuring Dual Chiller Control Slave Chiller Example of Configuring Dual Chiller Control Master ChillerSUB-MODE Keypad Entry Display Item Expansion Comment Rset Example of Compressor Lead/Lag Configuration Time Clock Mode and Sub-Mode DirectorySUB-MODE Keypad Display Item Expansion Comment Entry OPT2 SUB-MODE Keypad Entry Item Expansion Comment Range TimeSetting an Occupied Time Schedule Operating Mode and Sub-Mode DirectoryMode no Item Expansion Description Operating ModesAlarms Mode and Sub-Mode Directory Example of Reading and Clearing AlarmsConfiguring Temperature Reset Mode Keypad SUB-MODEConfiguration Entry ExpansionRED LED Entry Expansion Configuration Configuring Demand Limit DLS2Troubleshooting To 20 mA Demand LimitingPage Alarm and Alert Codes T051By Control Method Cause Code Alert GENERATED? EWTFSM LCWT153 T155T170 T173T203 T204T205 T206Service Electronic ComponentsOil Charge Compressor OIL RequiredCooler Thermistor Locations Plugs Components for Part Number PluggingCondenser Coils Cooler Head Bolt Tightening Sequence Typical Tube SheetCondenser Fan Adjustment Hz Low Noise Fan Option Units Dimension FAN TypePrinted Circuit Board Connector Refrigerant Feed Components Each circuit hasThermistors Temperature Sensors Drop B 5K Thermistor Temperature F vs Resistance/VoltageDrop a 5K Thermistor Temperature C vs Resistance/Voltage Temp Voltage Resistance Drop 200,510 Pressure Switch Settings Psig kPa Switch Cutout CUT-IN30GTN,R Units 30GUN,R UnitsPRE-START-UP System CheckTemperature Limits for Standard Units TemperatureMaximum Ambient Temperature 125 START-UP and OperationRefrigerant Circuit Field WiringNominal and Minimum Cooler Fluid Flow Rates CWP ALMHgbps Energy Management Module EMM Wiring Compressor Expansion Board CXB Accessory Wiring Unit Configuration Settings OPTIONS1 Options ConfigurationDescription Status Default Units Point Description Status Default PointAlarmdef Alarm Definition Table OPTIONS2 Options ConfigurationAppendix a CCN Tables Resetcon Temperature Reset and Demand Limit Brodefs Broadcast POC Definition TableAunit General Unit Parameters Circaan Circuit a Analog ParametersCircadio Circuit a Discrete Parameters Description Status Units Point ForceableCircban Circuit B Analog Parameters Circbdio Circuit B Discrete ParametersOptions Unit Parameters Strthour Description Status Units PointDescription Status Units Point Defaults CurrmodsLine Description Point CSM/FSM Equipment Table Type 621H, BlockDescription Status Point Appendix B Fluid Drop Pressure Curves Cooler Fluid Pressure Drop Curves 30GUN,GUR040-110Cooler Fluid Pressure Drop Curves 30GUN,GUR130-210 Appendix B Fluid Drop Pressure CurvesCooler 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 Service Training Call for Free CatalogRemove and use for job file Preliminary Information START-UP Checklist for Comfortlink Chiller SystemsEquipment Chiller Model no Preliminary Equipment Check Check box if complete System Fluid Volume in Loop Type System UnitStart-UpUnit Start-Up Description Status Units Value Ctrl CcnaCcnb BaudSlct 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.

One of the standout features of Carrier air conditioners is their energy efficiency. Many models are equipped with advanced inverter technology, allowing the compressor to adjust its speed based on the cooling demand. This results in decreased energy consumption, which not only reduces utility bills but also lessens the environmental impact. Recognizing the importance of sustainable practices, Carrier has integrated eco-friendly refrigerants into their systems, further promoting energy-efficient operations.

Carrier also emphasizes user comfort through its variable speed systems. These systems maintain consistent temperatures while minimizing temperature fluctuations, ensuring an even distribution of cool air throughout the home. Additionally, many Carrier models come with advanced air filtration systems, designed to capture allergens, dust, and other particulates, thereby improving indoor air quality.

The smart technology featured in Carrier air conditioners plays a key role in modern convenience. Many units are compatible with smart home systems, allowing users to control settings remotely via smartphones or voice-activated devices. With features like programmable thermostats, users can easily set cooling schedules to match their lifestyle, ensuring comfort while maximizing energy savings.

Durability and noise reduction are also central to the Carrier brand. Many models are designed with sound-dampening features, making them some of the quietest units on the market. This is particularly advantageous for residential use, where noise can disrupt daily activities and sleep.

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.
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