Carrier Air Conditioner Description Status Units Value Ctrl, Ccna, Ccnb, Baud, Load, Llcs, Lcwt

Page 93

CUT ALONG DOTTED LINECUT ALONG DOTTED LINE - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

C.Unit Start-Up (cont)

PRESS ESCAPE KEY TO DISPLAY ‘OPT1’. PRESS DOWN ARROW KEY TO DISPLAY ‘OPT2’. PRESS ENTER KEY.

RECORD CONFIGURATION INFORMATION BELOW:

OPTIONS2 (Options Configuration)

ITEM

DESCRIPTION

 

STATUS

UNITS

VALUE

CTRL

Control Method

0 = Switch

 

 

 

 

1

= 7 day sched.

 

 

 

 

2

= Occupancy

 

 

 

 

3

= CCN

 

 

CCNA

CCN Address

1 to 239

 

 

CCNB

CCN Bus Number

0 to 239

 

 

BAUD

CCN Baud Rate

1 = 240

 

 

 

 

2

= 480

 

 

 

 

3

= 9600

 

 

 

 

4

= 19,200

 

 

 

 

5

= 38,400

 

 

LOAD

Loading Sequence Select

1 = Equal loading

 

 

 

 

2

= Staged loading

 

 

LLCS

Lead/Lag Circuit Select

1 = Automatic

 

 

 

 

2

= Circuit A leads

 

 

 

 

3

= Circuit B leads

 

 

LCWT

High LCW Alert Limit

2 to 60

^F

 

DELY

Minutes off time

0 to 15

min.

 

ICE.M

Ice Mode Enable

Enable/Disable

 

 

PRESS ESCAPE KEY TO DISPLAY ‘OPT2’. PRESS DOWN ARROW KEY TO DISPLAY ‘RSET’. PRESS ENTER KEY.

RECORD CONFIGURATION INFORMATION BELOW:

RESETCON (Temperature Reset and Demand Limit)

ITEM

DESCRIPTION

 

STATUS

UNITS

VALUE

 

COOLING RESET

 

 

 

 

CRST

Cooling Reset Type

0

= No Reset

 

 

 

 

1

= 4-20 mA input

 

 

 

 

2

= External temp-OAT

 

 

 

 

3

= Return fluid

 

 

 

 

4

= External temp-SPT

 

 

CRT1

No Cool Reset Temp

0 to 125

°F

 

CRT2

Full Cool Reset Temp

0 to 125

°F

 

DGRC

Degrees Cool Reset

–30 to 30

^F

 

HRST

Heating Reset Type

0

= No Reset

 

 

 

 

1

= 4-20 mA input

 

 

 

 

2

= External temp-OAT

 

 

 

 

3

= Return fluid

 

 

 

 

4

= External temp-SPT

 

 

HRT1

No Heat Reset Temp

Not Supported

°F

 

HRT2

Full Heat Reset Temp

Not Supported

°F

 

DGRH

Degrees Heat Reset

–30 to 30

^F

 

 

DEMAND LIMIT

 

 

 

 

DMDC

Demand Limit Select

0 = None

0

 

 

 

1

= External switch input

 

 

 

 

2

= 4-20 ma input

 

 

 

 

3

= Loadshed

 

 

DM20

Demand Limit at 20mA

0 to 100

%

 

SHNM

Loadshed Group Number

0 to 99

 

 

SHDL

Loadshed Demand Delta

0 to 60

%

 

SHTM

Maximum Loadshed Time

0 to 120

min

 

DLS1

Demand Limit Switch 1

0 to 100

%

 

DLS2

Demand Limit Switch 2

0 to 100

%

 

 

LEAD/LAG

 

 

 

 

LLEN

Lead/Lag Chiller Enable

Enable/Disable

 

 

MSSL

Master/Slave Select

Slave/Master

 

 

SLVA

Slave Address

0 to 239

 

 

LLBL

Lead/Lag Balance Select

Enable/Disable

 

 

LLBD

Lead/Lag Balance Delta

40 to 400

hours

 

LLDY

Lag Start Delay

0 to 30

min

 

CL-5

Page 92 Page 94
Image 93
Page 92 Page 94
Contents Contents Safety ConsiderationsContents GeneralIntroduction Unit Sizes and Modular Combinations 30GTN,R Major System ComponentsUnit Sizes and Modular Combinations 30GUN,R Unit Nominal Section a Section B 30GTN,R Tons Unit 30GTN,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 Manufacturer Regular Wiring Plenum Wiring Alpha 1895 AmericanBelden 8205 Columbia D6451 Manhattan M13402 M64430 Quabik 6130Compressor Protection Control System Module Sizes Stepper Motor 12 VDC CEPL130351 Displacement Compressors Part Load Data Percent Displacement, Standard Units30GUN,R Approx255A 60 Hz 110, 290B360B 50 Hz 330A/B390B 60 Hz 390B 50 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 ModesSUB-MODE Keypad Range Item Expansion Comment Entry View Run Status Mode and Sub-Mode DirectoryStrt VersService 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 Reading and Changing Chilled Fluid Set Point Inputs Mode and Sub-Mode DirectorySUB-MODE Keypad Range Item Expansion Comment Entry GEN.I CrctOutputs Mode and Sub-Mode Directory Configuration Mode and Sub-Mode DirectorySUB-MODE Keypad Range Item Expansion Comment Entry GEN.O OPT2 OPT1CCN EMMRset 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 Time Clock Mode and Sub-Mode Directory Example of Compressor Lead/Lag ConfigurationSUB-MODE Keypad Display Item Expansion Comment Entry OPT2 SUB-MODE Keypad Entry Item Expansion Comment Range TimeOperating 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 DirectoryMode Keypad SUB-MODE Configuring Temperature ResetConfiguration Entry ExpansionRED LED Entry Expansion Configuration DLS2 Configuring Demand LimitTo 20 mA Demand Limiting TroubleshootingPage T051 Alarm and Alert CodesEWT By Control Method Cause Code Alert GENERATED?FSM LCWT155 T153T170 T173T204 T203T205 T206Electronic Components ServiceOil Charge Compressor OIL RequiredCooler 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 Switch Cutout CUT-IN Pressure Switch Settings Psig kPa30GTN,R Units 30GUN,R UnitsSystem Check PRE-START-UPTemperature Temperature Limits for Standard UnitsMaximum Ambient Temperature 125 START-UP and OperationField Wiring Refrigerant CircuitNominal and Minimum Cooler Fluid Flow Rates ALM CWPHgbps Energy Management Module EMM Wiring Compressor Expansion Board CXB Accessory Wiring OPTIONS1 Options Configuration Unit Configuration SettingsDescription Status Default Units Point Description Status Default PointOPTIONS2 Options Configuration Alarmdef Alarm Definition TableAppendix a CCN Tables Brodefs Broadcast POC Definition Table Resetcon Temperature Reset and Demand LimitCircaan Circuit a Analog Parameters Aunit General Unit ParametersCircadio Circuit a Discrete Parameters Description Status Units Point ForceableCircbdio 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 Ccna Description Status Units Value CtrlCcnb 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.
Top Page Image Contents