Carrier Air Conditioner specifications UnitStart-Up, System Fluid Volume in Loop Type System

Page 91

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

C. Unit￿Start-Up (cont)

CHECK VOLTAGE IMBALANCE:

AB

 

AC

 

BC

 

 

AB + AC + BC (divided by 3) = AVERAGE VOLTAGE =

 

 

 

 

V

MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =

 

 

 

 

 

 

 

VOLTAGE IMBALANCE =

(MAX. DEVIATION)

x 100 =

 

 

% VOLTAGE IMBALANCE

AVERAGE VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START CHILLER!

￿CALL LOCAL POWER COMPANY FOR ASSISTANCE.

INCOMING POWER VOLTAGE TO CHILLER MODULES IS WITHIN RATED UNIT VOLTAGE RANGE.

SYSTEM FLUID VOLUME IN LOOP: TYPE SYSTEM:

 

 

 

 

AIR CONDITIONING — MINIMUM 3 GAL PER NOMINAL TON (3.25 L PER kW) =

 

 

 

GAL (L)

PROCESS COOLING — MINIMUM 6 GAL PER NOMINAL TON (6.50 L PER kW) =

 

 

 

GAL (L)

CHECK PRESSURE DROP ACROSS COOLER.

 

 

 

 

FLUID ENTERING COOLER:

 

PSIG (kPa)

 

 

 

 

FLUID LEAVING COOLER:

 

 

PSIG (kPa)

 

 

 

 

(PSIG DIFFERENCE) x 2.31 = FT OF FLUID PRESSURE DROP =

PLOT COOLER PRESSURE DROP ON PERFORMANCE DATA CHART (LOCATED IN PRODUCT DATA LITERATURE) TO DETERMINE TOTAL GPM (L/s).

TOTAL GPM (L/s) =

 

 

UNIT’S RATED MIN GPM (L/s) =

 

GPM (L/s) PER TON =

 

 

UNIT’S RATED MIN PRESSURE DROP =

 

 

JOB’S SPECIFIED GPM (L/s) (if available):

 

 

(Refer to product data literature.)

 

 

 

 

 

 

 

 

NOTE: IF UNIT HAS LOW FLUID FLOW, FIND SOURCE OF PROBLEM: CHECK FLUID PIPING, IN-LINE FLUID STRAINER, SHUT-OFF VALVES, CWP ROTATION, ETC.

COOLER LOOP FREEZE PROTECTION IF REQUIRED:

GALLONS (LITERS) ADDED:

PIPING INCLUDES ELECTRIC TAPE HEATERS (Y/N):

VISUALLY CHECK MAIN BASE BOARD AND EXV BOARD FOR THE FOLLOWING:

INSPECT ALL THERMISTORS AND EXV CABLES FOR POSSIBLE CROSSED WIRES.

CHECK TO BE SURE ALL WELL-TYPE THERMISTORS ARE FULLY INSERTED INTO THEIR RESPECTIVE WELLS.

￿ALL CABLES AND PIN CONNECTORS TIGHT?

ALL EXV, EMM, AND CXB BOARDS (IF INSTALLED) AND DISPLAY CONNECTIONS TIGHT?

CL-3

Page 90 Page 92
Image 91
Page 90 Page 92
Contents Contents Safety ConsiderationsGeneral ContentsIntroduction 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,RCarrier Comfort Network CCN Interface Control Module CommunicationThermistor 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 StrtSUB-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 Crct Inputs Mode and Sub-Mode DirectoryReading and Changing Chilled Fluid Set Point SUB-MODE Keypad Range Item Expansion Comment Entry GEN.IConfiguration Mode and Sub-Mode Directory Outputs 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 Slave Chiller Example of Configuring Dual Chiller Control Master 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 Drop B 5K Thermistor Temperature F vs Resistance/VoltageDrop 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 125Refrigerant Circuit Field WiringNominal and Minimum Cooler Fluid Flow Rates CWP ALMHgbps Energy Management Module EMM Wiring Compressor Expansion Board CXB Accessory Wiring Description Status Default Point Unit Configuration SettingsOPTIONS1 Options Configuration Description Status Default Units PointAlarmdef Alarm Definition Table OPTIONS2 Options ConfigurationAppendix 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 DefaultsLine Description Point CSM/FSM Equipment Table Type 621H, BlockDescription Status Point Cooler Fluid Pressure Drop Curves 30GUN,GUR040-110 Appendix B Fluid Drop Pressure CurvesCooler 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 Call for Free Catalog Service TrainingRemove and use for job file Preliminary Information START-UP Checklist for Comfortlink Chiller SystemsEquipment 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.

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