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2–40 hp Portable Chillers

Part Number: A0554831

Bulletin Number: SC2-610C.10

Effective: 4/3/2008

Write Down Your Serial Numbers Here For Future Reference:

_________________________   _________________________

_________________________   _________________________

_________________________   _________________________

We are committed to a continuing program of product improvement.
Specifications, appearance, and dimensions described in this manual are subject to change without notice.

DCN No. ____________
© Copyright 2008
All rights reserved.

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Содержание A0554831

Страница 1: ...____________ _________________________ _________________________ _________________________ _________________________ _________________________ We are committed to a continuing program of product impro...

Страница 2: ...ailable upon request The original Bill of Lading is attached to our original invoice If the shipment was prepaid write us for a receipted transportation bill Advise customer service regarding your wis...

Страница 3: ...rol 12 Crankcase Heater 12 High Pressure Cutout 12 Low Pressure Cutout 13 Oil Pressure Safety Switch 13 Fan Cycling Switch 13 Pressure Switch 13 Flow Switch 13 Remote Start Stop Interlock 13 2 5 Optio...

Страница 4: ...istance 44 Parts Department 44 Service Department 44 Sales Department 44 Contract Department 44 7 3 Drawings and Specifications 45 2 hp and 3 1 2 hp Air Cooled Portable Chillers 45 5 hp and 7 5 hp Air...

Страница 5: ...ng Diagrams 64 Central and Gravity Return Piping with Standpipe Diagram 64 Typical Piping Schematic 2 and 3 1 2 hp Models 65 Typical Piping Schematic 5 hp through 40 hp One Pump Models 66 Typical Pipi...

Страница 6: ...anical controls in addition to information for operating the equipment safely and efficiently The Maintenance chapter is intended to serve as a source of detailed assembly and disassembly instructions...

Страница 7: ...s can develop refrigerant pressures in excess of 500 psi 3 447 5 kPa 34 47 bars DO NOT CUT INTO THE REFRIGERATION SYSTEM This must be performed by a qualified service technician only 9 Do not restore...

Страница 8: ...ns for air and water cooled portable chillers Model numbers are listed on the serial tag Make sure you know the model and serial number of your equipment before contacting the manufacturer for parts o...

Страница 9: ...It is not intended to provide continuous full bypass flow This minimal flow allows the temperature sensor to signal the controller to shut down the compressor because of the drop in process water tem...

Страница 10: ...polyethylene tank 10 hp and 15 hp models use a 40 gallon polyethylene tank 20 hp to 30 hp models use an 80 gallon polyethylene tank and 40 hp models use a 65 gallon stainless steel tank Piping Non fe...

Страница 11: ...liquid line shut off ball valves on 5 hp to 40 hp models Filter dryer Sight glass Balanced port thermal expansion valve Controller Features Off the shelf microprocessor based PID auto tuning controlle...

Страница 12: ...by the process water glycol The thermostat stage two cutout temperature is factory set at 100 F 38 C See Section 4 6 on page 36 for information about changing the thermostat settings Caution Protect t...

Страница 13: ...on when the discharge pressure in the condenser reaches 300 psi and turns off when the pressure drops below 190 psi Pressure Switch 2 hp and 3 1 2 hp models have a pressure switch cutout device mounte...

Страница 14: ...hiller Compressor Hour Meter Includes a DIN mount hour meter that keeps track of the total time that the compressor runs Communications Options RS 232C and RS 485 serial communications and remote setp...

Страница 15: ...the subpanel to be listed with Underwriters Laboratory with UL related benefits and features Optional Pumps Pump options are available for greater pressure and flow rates A recirculation pump is requi...

Страница 16: ...70 Figure 1 Optional Pump Amperages Voltage Construction HP Full Load Amps Bronze Turbine 75 5 4 1 6 4 1 5 7 5 2 9 6 208 230 1 60 SS 3 12 7 Bronze Turbine 75 1 5 1 1 8 1 5 2 3 2 3 1 3 4 2 5 6 2 7 5 9...

Страница 17: ...emove the skid from the unit 4 Lower slowly The unit should land on its casters or rails and can then be moved into position 5 Temporary hardware has been installed to prevent side panels from shiftin...

Страница 18: ...s a small amount of water to flow through the chiller This action protects the chiller from freeze up and allows the other cutout devices to shut down the chiller The bypass valve is not intended to p...

Страница 19: ...approved discharge receiver A water regulating valve is a standard feature in the condenser water return line Air Cooled Chiller Condensers Air cooled chillers use the surrounding air to cool the con...

Страница 20: ...because this will allow copper chips to contaminate the system A certified refrigeration contractor need only to install the interconnecting refrigerant piping between the chiller and the outdoor air...

Страница 21: ...ines To determine field installed liquid and discharge line sizes first establish the equivalent length of pipe for each line valve and elbow Chiller capacity and leaving water temperature range is al...

Страница 22: ...5 8 5 8 7 8 7 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 225 5 8 5 8 7 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 250 5 8 5 8 7 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 275 5 8 5 8 7 8 7 8 1 1 8 1 1 8 1 1 8 1 1 8 1 3 8 300 5...

Страница 23: ...5 Refrigerant Charge Determination Chiller Condenser Charge Field Installed Piping Charge Horsepower Lbs of R 22 Pipe O D Inches Discharge Line c R 22 Lbs Liquid Line c R 22 Lbs 5 5 9 1 2 7 2 7 5 6 1...

Страница 24: ...ompressors Scroll compressors are directionally dependent and compress in one rotational direction Reversing rotation direction results in an elevated sound level and a substantially reduced current d...

Страница 25: ...ycol 55 gallons 208 2 liters A0542990 Propylene glycol 5 gallons 18 9 liters A0542991 Propylene glycol 55 gallons 208 2 liters Caution Do not connect make up water directly to the chilled water reserv...

Страница 26: ...Curves Pe rce nt Glyc ol Cu rves for Free ze Protec tion 60 0 50 0 40 0 30 0 20 0 10 0 0 0 10 0 20 0 30 0 40 0 0 0 10 0 20 0 30 0 40 0 50 0 60 0 Gl ycol by Vol um e Eth ylene G lycol Prop ylene Glyco...

Страница 27: ...egulating valve to limit make up water pressure to less than 5 psi The reservoir must remain vented to the atmosphere If the automatic make up system is connected to a city water system make provision...

Страница 28: ...hilled water circuit piping are filled to the full mark with a water glycol mixture The water glycol mixture should provide for freeze protection to at least 20 F 11 C below the leaving water temperat...

Страница 29: ...parameter symbols during setup and error messages if an error occurs SV 8 8 8 8 Set Value LED During normal operation the green bottom LED display on the controller displays the process set point you...

Страница 30: ...ach press of the Up Arrow key increments or advances the values or settings on the SV display Sterlco 2000 Controller Indicator Name Description T 8 8 8 8 Process Value LED During normal operation the...

Страница 31: ...2 40 HP Portable Chillers Chapter 4 Operation 31 of 70 Figure 7 Typical Portable Chiller Microprocessor Controllers PV SV OUT1 OUT2 MANU STOP RMT AT SUB1 AT E5CK OMRON...

Страница 32: ...rocess water glycol pump s and the chiller shuts off This action prevents possible system failure from overheating of the process water glycol Pump On Light The Pump On light installed on chillers wit...

Страница 33: ...artment Low Oil Pressure Light The Low Oil Pressure light is installed on chillers with a semi hermetic compressor that have an oil pump A differential pressure switch monitors the difference between...

Страница 34: ...LOW PRESSURE LOW TEMPERATURE HIGH TEMPERATURE HIGH DISCHARGE TEMPERATURE HIGH REFRIGERANT PRESSURE LOW REFRIGERANT PRESSURE LOW OIL PRESSURE ON OFF CONTROL POWER A0554705 SILENCE ALARM COMPRESSOR ON H...

Страница 35: ...lower the set point 4 4 Auto Tuning E5CK Controller Only The Auto Tune function lets you fine tune the control PID to process requirements Activate the Auto Tune function whenever the process under c...

Страница 36: ...ermostat The keypad is disabled when the switch is moved to the left in the Lock position The keypad functions normally when the switch is moved to the right in the Unlock position All chillers are sh...

Страница 37: ...the differential The setting should be 12 F 11 C 4 Press the Set key again to access Stage 1 cooling or heating mode The screen displays the current mode C1 for cooling or H1 for Heating Use the Up Ar...

Страница 38: ...d portable chiller operating at peak efficiency and capacity Clean the filters whenever they appear dirty or at regularly scheduled intervals 1 Turn the chiller off 2 Slide the filter up off of the re...

Страница 39: ...tions on the container The refrigerant side is sealed and requires no routine maintenance Caution Do not use steam or water over 140 F 60 C to clean a condenser unless you are monitoring the refrigera...

Страница 40: ...intenance requirements These inspections include but are not limited to Checking refrigerant suction and discharge pressures Checking safety and operating conditions Checking voltage and amperage of a...

Страница 41: ...harge Refrigerant low pressure switch contacts open Sight glass should be clear and the moisture indicator should be green while compressor is running Bubbles or foaming is normal when the hot gas by...

Страница 42: ...ol Water temperature is too high Refrigerant charge is low Call service to find and repair the leak then have refrigerant added Pump running in reverse Verify rotation if running in reverse rotation r...

Страница 43: ...e supplied No credit will be issued for material that is not within the manufacturer s warranty period and or in new and unused condition suitable for resale Warranty Returns Prior to the return of an...

Страница 44: ...dicated to providing excellent customer service Service Department Call toll free 8am 5pm CST 800 423 3183 or call 262 641 8610 Emergencies after 5pm CST call 847 439 5655 We have a qualified service...

Страница 45: ...cap per 0 746 kW pump power d Based on 2 4 gpm per ton 9 1 lpm per 3 517 kW nominal 1 pump e An optional oversized process pump adds to the total rated or running chiller amperage To find the new tota...

Страница 46: ...twork requires optional high pressure fan for 5 hp to 15 hp 3 73 kW to 11 20 kW models f An optional oversized process pump adds to the total rated or running chiller amperage To find the new total ch...

Страница 47: ...requires optional high pressure fan for 5 hp to 15 hp 3 73 kW to 11 20 kW models f An optional oversized process pump adds to the total rated or running chiller amperage To find the new total chiller...

Страница 48: ...er 3 517 kW nominal 1 pump e An optional oversized process pump adds to the total rated or running chiller amperage To find the new total chiller amperage subtract the standard process pump amperage f...

Страница 49: ...3 517 kW nominal 1 pump e Based on availability of 85 F 29 C tower water at 25 psi 172 4 kPa 1 7 bars minimum f Based on availability of 70 F 21 C city water at 25 psi 172 4 kPa 1 7 bars minimum g An...

Страница 50: ...kW nominal 1 pump e Based on availability of 85 F 29 C tower water at 25 psi 172 4 kPa 1 7 bars minimum f Based on availability of 70 F 21 C city water at 25 psi 172 4 kPa 1 7 bars minimum g An optio...

Страница 51: ...nominal 1 pump e Based on availability of 85 F 29 C tower water at 25 psi 172 4 kPa 1 7 bars minimum f Based on availability of 70 F 21 C city water at 25 psi 172 4 kPa 1 7 bars minimum g An optional...

Страница 52: ...ominal 1 pump e Based on availability of 85 F 29 C tower water at 25 psi 172 4 kPa 1 7 bars minimum f Based on availability of 70 F 21 C city water at 25 psi 172 4 kPa 1 7 bars minimum g An optional o...

Страница 53: ...al 1 pump e Based on availability of 85 F 29 C tower water at 25 psi 172 4 kPa 1 7 bars minimum f Based on availability of 70 F 21 C city water at 25 psi 172 4 kPa 1 7 bars minimum g An optional overs...

Страница 54: ...m per ton 9 1 lpm per 3 517 kW nominal 1 pump e An optional oversized process pump adds to the total rated or running chiller amperage To find the new total chiller amperage subtract the standard proc...

Страница 55: ...per ton 9 1 lpm per 3 517 kW nominal 1 pump e An optional oversized process pump adds to the total rated or running chiller amperage To find the new total chiller amperage subtract the standard proce...

Страница 56: ...lpm per 3 517 kW nominal 1 pump e An optional oversized process pump adds to the total rated or running chiller amperage To find the new total chiller amperage subtract the standard process pump amper...

Страница 57: ...15 26 1 3 hp 3 5 0 3 20 500 550 129 8 43 0 40 5 120 0 15 8 11 8 6 4 20 30 1 1 2 hp 3 5 9 2 23 000 840 125 0 45 5 50 0 108 0 15 8 15 8 10 0 25 30 1 1 2 hp 3 5 9 2 21 900 860 125 0 45 5 50 0 108 0 15 8...

Страница 58: ...2 40 HP Portable Chillers Chapter 7 Appendix 58 of 70 7 4 Pump Curves Flow and Pressure Considerations 60 Hertz Pump Curves DWG No A0554823...

Страница 59: ...2 40 HP Portable Chillers Chapter 7 Appendix 59 of 70 50 Hertz Pump Curves DWG No S0554823...

Страница 60: ...kPa 22 0 83 3 4 7 32 6 30 0 113 6 4 5 31 3 40 0 151 4 4 0 27 6 55 0 208 2 5 5 37 9 30 0 113 6 8 28 57 1 40 0 151 4 7 5 51 7 45 0 170 3 4 0 27 6 58 0 219 5 5 8 40 0 38 0 143 8 12 91 89 0 50 0 189 3 12...

Страница 61: ...3 W 3 5 hp 8 6 32 7 6 0 41 2 1 0 746 31 7 218 5 2 2 W 5 hp 12 6 47 7 2 3 16 00 1 0 746 34 3 236 2 2 4 W 7 5 hp 17 0 64 5 3 1 21 4 1 0 746 32 0 220 3 2 2 W 10 hp 25 7 97 4 6 3 43 3 2 1 492 41 4 285 3...

Страница 62: ...2 40 HP Portable Chillers Chapter 7 Appendix 62 of 70 7 5 Remote Air Cooled Chiller Configurations...

Страница 63: ...on for models 5 through 15 hp Allow 30 77 cm minimum clearance around the chiller footprint to facilitate free passage of cooling air and service accessibility Size the ductwork for maximum capacity S...

Страница 64: ...2 40 HP Portable Chillers Chapter 7 Appendix 64 of 70 7 7 Piping Diagrams Central and Gravity Return Piping with Standpipe Diagram...

Страница 65: ...2 40 HP Portable Chillers Chapter 7 Appendix 65 of 70 Typical Piping Schematic 2 and 3 1 2 hp Models...

Страница 66: ...2 40 HP Portable Chillers Chapter 7 Appendix 66 of 70 Typical Piping Schematic 5 hp through 40 hp One Pump Models...

Страница 67: ...2 40 HP Portable Chillers Chapter 7 Appendix 67 of 70 Typical Piping Schematic 5 hp through 40 hp Two Pump Models...

Страница 68: ...2 40 HP Portable Chillers Chapter 7 Appendix 68 of 70 Typical Piping Schematic 5 hp through 40 hp No Pump Models...

Страница 69: ...2 40 HP Portable Chillers Chapter 7 Appendix 69 of 70 Typical Piping Schematic 5 hp through 40 hp One Pump Models...

Страница 70: ...Portable Chillers Chapter 7 Appendix 70 of 70 7 8 Electrical Schematics Typical Electrical Subpanel Please refer to your owner s information packet for more details regarding your specific unit DWG A...

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