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Operator’s Manual

DuraChill

™

Air- and Water-Cooled 2 and 3 HP Chillers

110-275

25 February 2015

Содержание DCA203C4

Страница 1: ...Operator s Manual DuraChill Air and Water Cooled 2 and 3 HP Chillers 110 275 25 February 2015...

Страница 2: ...ctrical Power 14 Optional Signal Inputs Outputs 15 RS 232 RS 485 Serial Output 15 Remote On Off Port 15 Alarm Output 15 Startup 16 Facility Water Flow water cooled units only 16 Filling the Reservoir...

Страница 3: ...lectrical Specifications DCA200 Chillers 31 Performance Specifications DCA300 DCW300 Chillers 32 Electrical Specifications DCA300 DCW300 Chillers 33 Pump Performance 35 RS 232 RS 485 Communications 36...

Страница 4: ...be configured with a wide variety of standard and optional features including Standard Features Process temperature 41 to 95 F 5 to 35 C Ambient temperature 60 to 95 F 16 to 35 C Temperature stability...

Страница 5: ...on the Power Switch indicates that it places the unit in a standby mode It DOES NOT fully disconnect the unit from the power supply Read all instructions pertaining to safety set up and operation Pro...

Страница 6: ...ving Always follow your company s procedures and practices regarding safe lifting and relocation of heavy objects WARNING Make sure the equipment s main power switch is in the OFF position before conn...

Страница 7: ...tain the container and all packing materials until the unit is completely assembled and working properly Set up and run the unit immediately to confirm proper operation If the unit is damaged or does...

Страница 8: ...eservoir Plate Covert Pressure Flow Rate Display Pressure Flow Rate Units Unit Menu Select Button Temperature Display Select Set Knob Power Button Temperature Units Control Panel Air Filter Access air...

Страница 9: ...110 275 8 Rear View Power Switch Power Switch...

Страница 10: ...ve dust or high room temperatures are present For ease of positioning and maneuverability the Chiller is supplied with casters The front wheels can be locked to keep the Chiller in place while in use...

Страница 11: ...of construction should be compatible with the fluid being used as well as the temperature and pressure at which the unit will operate Where applicable always use a back up wrench when making piping co...

Страница 12: ...r supply should be connected to the facility water inlet on the Chiller The facility water outlet on the Chiller should be connected to the appropriate return or drain as required The cooling water su...

Страница 13: ...is normal 5 Loosen the locknut and then using a flat blade screwdriver adjust the pressure until the reading on the Pressure Flow Rate Display matches the desired maximum operating pressure A clockwi...

Страница 14: ...PVC WARNING Do not use caustic corrosive or flammable fluids CAUTION Operation below 15 C 59 F requires antifreeze in the circulation fluid DO NOT use automotive antifreeze as the additives may be har...

Страница 15: ...Reservoir has not been filled the pump could be damaged Use the voltage and amperage requirements specified on the identification label on the rear of the Chiller Remove the three screws securing the...

Страница 16: ...he instrument enclosure for this connection Remote On Off Port This option allows you to connect a remote on off switch or other remote control device to the Chiller The Chiller is ON when the contact...

Страница 17: ...pond by showing standby If there is no response check that the unit is connected to working electrical power and that Power Switch on the rear of the Chiller is in the ON position 2 Press the Power Bu...

Страница 18: ...the front panel while returning the Power Switch to the ON position IMPORTANT All user settings except baud rate and calibration offset return to the original factory defaults when the temperature uni...

Страница 19: ...displayed value by either pressing the Select Set Knob or allowing the display to timeout Operational parameter limit alarms will shut down the compressor fan pump and heaters Some temperature values...

Страница 20: ...ing pressures 10 to 100 PSI 69 to 690 kPa display value x 100 80 PSI 5 5 x 100 550 kPa FL Minimum Flow Rate Minimum allowable flow rate settable in either GPM or LPM Should the fluid flow rate drop be...

Страница 21: ...ater fan and pump to turn off To change the low limit value rotate the Select Set Knob until the desired value is displayed LL 0 0 High Ambient Temperature Limit HA NOTE This value is always set in C...

Страница 22: ...the desired flow rate value is displayed on the Temperature Readout With FL set to 0 the flow alarm is disabled and the Chiller will continue to operate with the output flow blocked NOTE When FL firs...

Страница 23: ...ke sequence is required to access this function This menu item allows you to adjust the Chiller s temperature reading to match that of a traceable standard It allows you to offset the displayed temper...

Страница 24: ...Allowable settings are 0 no serial communication 24 2400 baud 48 4800 baud 96 9600 baud and 192 19200 baud To change the displayed setting rotate the Select Set Knob until the desired baud rate is dis...

Страница 25: ...es normal operation If this lasts more than 5 seconds fault 16 occurs Lower ambient temperature or raise high ambient temperature limit EHL High temperature set point warning Warning The temperature s...

Страница 26: ...g 08 High pressure alarm Alarm Fluid outlet pressure has exceeded the high pressure limit value for over 10 seconds Compressor heater fan and pump are turned off Decrease outlet pressure by removing b...

Страница 27: ...ntal changes to set point and other operational values When enabled the values for the following functions can be displayed but not changed Temperature unit Temperature set point Pressure flow rate un...

Страница 28: ...dically checked to determine if the fluid level needs to be topped off A sight glass viewing port is provided on the rear left side of the Chiller housing for this purpose Generally fluid should be ad...

Страница 29: ...decimal points on Pressure Flow Rate Display Unit in Standby mode Press Power Button on front panel No fluid circulation Insufficient fluid in reservoir Blockage in circulating system Pump is not oper...

Страница 30: ...ition while pressing and holding the Select Set Knob The diagnostic menu appears on the Pressure Flow Rate Display the current value for the diagnostic item appears on the Temperature Readout NOTE Dia...

Страница 31: ...mperature Stability F C 0 9 F 0 5 C Cooling Capacity 60Hz units 1 Tons Watts BTU hour 1 99 7000 23 885 Cooling Capacity 50Hz units 1 Tons Watts BTU hour 1 75 6160 21 038 Nominal Evaporator Flow 2 US G...

Страница 32: ...5 35 29 7 40 40 5 50 44 2 55 DCA204C4 16 4 25 23 6 35 34 4 50 38 1 50 DCA204F 16 8 30 24 35 34 8 50 38 5 50 DCA204G 20 0 30 27 2 40 38 50 41 7 55 DCA206D1 S1 9 5 15 13 1 20 20 3 30 DCA206D2 S2 11 4 17...

Страница 33: ...Nominal Evaporator Flow 2 US GPM 6 92 7 46 Refrigerant R134A Pressure PSIG 14 Pump HP 3 4 Fan s HP 2 1 6 N A Condenser Discharge Air Flow CFM 2170 N A Water Condenser Flow Tower Water US GPM N A 9 33...

Страница 34: ...A304D6 S6 29 45 36 2 60 47 70 50 7 70 DCA304D7S7 26 6 40 33 8 50 44 6 70 48 3 70 DCA304C3 31 5 50 38 7 60 49 5 70 53 2 70 DCA304C4 25 4 40 32 6 50 43 4 70 47 1 70 DCA304F 25 8 40 33 50 43 8 70 47 5 70...

Страница 35: ...45 36 2 60 47 70 50 7 70 DCW306D1 S1 12 8 20 16 4 25 23 6 35 DCW306D2 S2 14 7 25 18 3 30 25 5 35 DCW306D5 S5 11 6 20 15 2 25 22 4 35 DCW306D6 S6 13 4 20 17 25 24 2 35 DCW306D7S7 12 1 20 15 7 25 22 9...

Страница 36: ...110 275 35 Pump Performance Specifications subject to change without notice...

Страница 37: ...mark indicates that the Chiller could not execute the command either because it was in an improper format or the values were outside the allowable range A response followed by an exclamation point ind...

Страница 38: ...isposal and recycling of the equipment from health hazards By doing so you will help to conserve natural and environmental resources and you will ensure that your equipment is recycled in a manner tha...

Страница 39: ...in 30 days of receipt of the replacement unit If the defective unit is not received within 30 days the manufacturer reserves the right to bill for the replacement unit If this product requires service...

Страница 40: ...110 275 39 Appendix Flow Diagram Air Cooled Chillers...

Страница 41: ...110 275 40 Flow Diagram Water Cooled Chillers...

Страница 42: ...110 275 41 Wiring Diagram 208 230V 1 Phase Air Cooled Chillers...

Страница 43: ...110 275 42 Wiring Diagram 208 230V 380 460V 3 Phase Air and Water Cooled Chillers...

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