Conair EARTHSMART UGH031-0209 Manuel d'utilisateur

EarthSmartTMECM Series, 0.50 to 0.75 ton modelsCorporate Office: 724-584-5500 l Instant Access 24/7 (Parts and Service): 800.458.1960 l Parts and

ATTENTION:Read this so no one gets hurtWe design equipment with the user’s safety in mind. You can avoid the potentialhazards identified on this machi

1IntroductionIntroduction l 1-5CAUTION: Hot SurfacesAlways protect yourself from hot surfaces when working on thechiller, especially when working on

1-6 l Introduction

Description l 2-1DescriptionWhat is the EarthSmart ECM Series Chiller?. . 2-2Typical applications . . . . . . . . . . . . . . . . . . 2-2Limitations

What is the EarthSmart ECM SeriesChiller?The Conair EarthSmart ECM Series Chillers provide self-contained sources ofchilled water and are available wi

Description l 2-32DescriptionLimitationsConair EarthSmart ECM Series Chillers are chosen based on the cooling load,ambient temperature and cooling t

2-4 l DescriptionHow it Works: Process CirculationHot fluid from the process enters the chillerthrough the “From Process” inlet into thechiller’s res

2DescriptionDescription l 2-5How it Works: Refrigerant CirculationThe evaporator extracts heat from the process fluid,causing the refrigerant to vap

How it Works: Component ListingWater system• Motor/Pump assembly - The motor/pump assembly circulates chilled coolant through the process loop. The pu

• Evaporator - The evaporator is a brazed plate heat exchanger where the liquid refrigerant is allowed to evaporate (boil off) to absorb the heat (BTU

Please record your equipment’smodel and serial number(s) andthe date you received it in thespaces provided.It’s a good idea to record the model and se

2-8 l DescriptionSpecifications: EarthSmartTMECMSeries ChillersABCTPHS039-1208MODEL ECM-0.5 ECM-0.75Performance characteristicsCapacity* tons 0.41

Description l 2-92DescriptionPump Curve: EarthSmartTMECMSeries Chillers2550 75 100 125 150 175 200 225 250252030405060708090100110120130140100.000.0

2-10 l Description

Installation l 3-1InstallationUnpacking the boxes . . . . . . . . . . . . . . . . . 3-2Warnings and cautions . . . . . . . . . . . . . . . . 3-3Prep

3-2 l InstallationUnpacking the BoxesThe EarthSmart ECM Series Chiller comes fully assembled in a single crate.Units are shipped with the casters att

Installation l 3-33InstallationWarnings and CautionsWARNING: Improper installation, operation, orservicing may result in equipment damage or persona

Preparing for InstallationPlan the location for the chiller and prepare the area properly.Position the chiller as close to the process machine as poss

Installation l 3-53InstallationMaking Process PlumbingConnectionsAll process piping materials (such as hoses, rigid piping, valves or filters) usedw

3-6 l InstallationFilling the ChillerThe chiller is shipped without coolant. The chiller is manually filled during instal-lation using water as its c

Installation l 3-73InstallationDrain ConnectionTo drain the chiller for storage or transport:1 Rotate the chiller’s drain valve counterclockwise. If

Table of Contents1-1 IntroductionPurpose of the user guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2How the guide is organiz

3-8 l InstallationChecking the Refrigerant ChargeWARNING: Refrigerant hazardOnly certified refrigerant technicians should examine and correct problem

Connecting the Main PowerThe Conair EarthSmart ECM Chiller uses standard 115 Volt, 60 Hz or 220 Volt,60Hz single-phase power, depending on model.To co

3-10 l Installation

SECTION44OperationOperationEarthSmart ECM Series Chiller:Control descriptions . . . . . . . . . . . . . . . 4-2Starting the chiller . . . . . . . . .

12 %SDEarthSmart ECM Chiller: Control DescriptionsHot-GasBypass StatusIndicates the statusof the Hot-GasBypass valve.Actual ChillerTemperatureShows th

4OperationOperation l 4-3Starting the ChillerTo start the chiller:1 Toggle the power switch to the On or “I” position. The control display willillu

4-4 l OperationStopping the ChillerTo stop the chiller:1 Toggle the power switch to the Off or “O” position. Off Position12 %SDIMPORTANT: Do NOT rap

4OperationOperation l 4-5Changing Temperature Unit To stop the chiller:1 Press the green “Return” button once to access the Temperature Unit

4-6 l OperationChiller Operation SequenceThe EarthSmart ECM Series Chiller has a unique user interface that controls theprocess temperature and prev

Operation l 4-74OperationChiller Operation Sequence (continued)5 The condenser fan can energize anytime the toggle switch is in the “On” or “I” posi

Stopping the chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4Changing temperature units . . . . . . . . . . . . .

4-8 l OperationResetting the High Pressure Switchof the CompressorThe high refrigeration safety pressure switch shuts off the compressor immedia

MaintenancePreventative maintenance schedule . . . . . . . 5-2Checking electrical connections. . . . . . . . . . 5-4Cleaning the brazed plate adapter

5-2 l MaintenancePreventative Maintenance ScheduleDaily, or as often as needed❒Checking process fluid level in the pump tankCheck the process fluid l

Maintenance l 5-3Preventative Maintenance Schedule(continued)Monthly❒Inspecting cooling water treatment systemIf your chiller uses a cooling water t

5-4 l MaintenanceChecking Electrical Connections WARNING: Electrical HazardBefore performing any work on this item, disconnect and lock out electrica

Cleaning the Brazed Plate Evaporator Minerals and other contaminants produce deposits, scales, slime or algae on the heattransfer surfaces exposed to

5-6 l MaintenanceCleaning the Brazed Plate Evaporator (continued)5 Remove RTD from bottom of evaporator.6 Connect 3/8-inch tubing to the 3/8-inch con

5MaintenanceCleaning the Air-Cooled CondenserWARNING: Electrical HazardBefore performing any work on this item, disconnect and lock out electricalpowe

Cleaning the Air-Cooled Condenser(continued)7 Check the air filter. If the filter is blinded or torn, replace the filter.8 Replace the chiller’s side

Maintenance l 5-9Checking Reservoir Level WARNING: Electrical HazardBefore performing any work on the chiller, disconnect and lock out electricalpow

B AppendixSafety adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1C AppendixWater quality control . . . . . .

Cleaning the Pump StrainerEarthSmart Chillers use a rotary pump to flow process coolant through their internalpiping and to the process. A strainer on

Cleaning the Pump Strainer (continued)6 Remove the strainer from its housing.7 Inspect the strainer for holes or blinding, clean or replace as necessa

5-12 l MaintenanceChecking the Refrigerant Charge andQualityWARNING: Refrigerant HazardOnly certified refrigerant technicians should examine and corr

TroubleshootingBefore beginning. . . . . . . . . . . . . . . . . . . . 6-2A few words of caution . . . . . . . . . . . . . . 6-3DIAGNOSTICSHow to id

Before BeginningYou can avoid most problems by following the recommended installation andmaintenance procedures outlined in this User Guide. If you d

6TroubleshootingA Few Words of CautionImproper corrective actions can lead to hazardous conditions and shouldnever be attempted to sustain production.

6-4 l TroubleshootingAlarmsIf the red alarm LED is illuminated, an alarm is activated. The chiller has automat-ically pumped down because it has det

Troubleshooting l 6-56TroubleshootingTroubleshootingProblemThe chiller will not start.(Control not illuminated)Pump will not start.Possible causeTri

Troubleshooting (continued)ProblemCompressor will not start.Possible causeHigh pressure switch has been tripped. Circuit breaker has been tripped.Loos

Troubleshooting (continued)ProblemChiller shuts down due to aHigh Pressure switch alarm.Chiller shuts down due to aLow Pressure switch.Possible causeL

iv l Table of Contents

Checking or Replacing theTemperature SensorThe EarthSmart ECM Series Chiller uses a RTD sensor to monitor the temperatureof the process coolant.To che

Troubleshooting l 6-9Checking or Resetting the CircuitBreakersThe EarthSmart ECM Series Chiller uses electrical circuit breaker to protect thechille

A-1 l AppendixWe’re Here to HelpConair has made the largest investment in customer support in the plastics indus-try. Our service experts are availab

Appendix l A-2Equipment GuaranteeConair guarantees the machinery and equipment on this order, for a period asdefined in the quotation from date of s

B-1 l AppendixSafety AdjustmentsTo ensure safe and efficient operation at lower setpoints, adjustments of thelow pressure switch from factory setting

Appendix l C-1Water Quality ControlInsufficient or improper water treatment can damage the EarthSmart ECM Chiller.A certified water treatment specia

D-1 l AppendixChiller Capacity and Derate ChartIf operation of the chiller is less than 45°F {7.2°C}, a glycol and water mixtureis required. See Oper

Appendix l E-1Pressure-Temperature Chart forR-134A RefrigerantRefrigerant Pressure (PSIG)51015202530354045505560657075808590951001051101151201251301

F-1 l AppendixRTD Resistance ChartYou can use the following chart to determine if you need to replace your RTD.

Appendix l G-1Overhead Plumbing DetailsOverhead piping installations above process connections require installing a checkvalve in the “To Process” l

IntroductionPurpose of the user guide. . . . . . . . . . . . . . 1-2How the guide is organized . . . . . . . . . . . . . 1-2Your responsibilities as a

H-1 l AppendixElectrical Schematic 9.009.008.008.004.044.041TC1TC1ENC1ENC1CAB1CAB1SW1SW2CB2CB1CB1CB1TB1TB1GB1GB12222346778910102ENC2ENC1TC1TC1SW1SW7

Appendix l I-1Control Setup1/32 DIN Watlow SD controller Setup SheetEnter the following parametersMenu Parameter Description SettingSet Up Page Sen

Plumbing SchematicFROM PROCESS 12"TO PROCESS 12"LEVELWATE RTA NK1PSLFS1EVAPORATOR (1/4" schraeder valve)PI1RANGE= 40 TO 65 °FTAH H1STE1

✐Purpose of the User GuideThis User Guide describes the EarthSmart ECM Series Chiller andexplains step-by-step how to install, operate, maintain and r

Introduction l 1-3Your Responsibility as a UserYou must be familiar with all safety procedures concerning installation, opera-tion and maintenance o