Operators Manual Operators Manual Model 9805 Model 9805 Large
Contents
1. BLK_P1 3 BLK G Ste WHT WHT a ee P2 4 CIRCUIT IEC BREAKER SWITCH 6 _1 PCcB RCS OR PCB o RCV 2 5 T o PCB RCV POB DAC o 2 o o o PCB RU45 PGB RS 232 1 212 o z312 E o POB PWR 4 o 3 o o GRN YEL 1 COMPRESSOR PCB HIT 1 z Lwa HRIPEHATURE OVER TEMP PCB OTP PROTECTION 2 BLK m 1 PCB PRK BLK SOLENOID VALVE HEATER z PCB HTR T z PGB HEF 3 FAN BRN AN PCB FAN WHT 1 M z PGB FPS 3 GRN YEL TEMP SENSOR i GND 2 cp PCB ITS T1 COMPRESSOR E BLK 4 PCB CMP BLK CN i oo Y GRN YEL GND 2 PUMP MOTOR PCB T EL AN z T2 cz PCB PMP BRN M z GRN YEL GRN YEL z PCB FLW GND 2 3 2 1 PCB STA z PGB DAF2 CONTROL PCB2. 1 5 Specifications Refer to the serial number plate on rear of the bath for electrical data Model 9805 Specification Compressor 1 HP Temperature Range 10 to 60 C Temperature Setability OEG Temperature Stability 0 5 C Overall Dimensions in 44 x 301 2 x 371 2 w x x h cm 111 8 x 77 5x 95 3 Reservoir Capacity 50 gal 189 Liters Reservoir Dimensions in 32 x22 x16 w x x h cm 81 5 x 55 8 x 44 5 Heater 2200 Watts 0 C 940 Watts Cooling Capacity 10 C 1925 Watts 20 C 2850 Watts Pump Flow 4 3 gpm 16 3lpom Electrical Specifications 208 230V 1ph 15A Section 2 Operation 2 1 22 Before proceeding be sure all power controls are off Set Up amp Location Locate the bath on a strong level surface Position the bath for unobstructed air flow through the front and rear screens Avoid voltage drops by using properly grounded power outlets wired with 14 gauge or larger diameter wire If possible be close to the power distribution panel Minimize low line voltage problems by eliminating the use of extension cords Reservoir Fluids Use a fluid in the bath that will flow freely For most applications above 15 C distilled water is satisfactory Do not use hard tap water or extremely pure deionized water which may promote corrosion of the stainless steel reservoir Laboratory grade ethylene glycol amp water 50 50 must be used for applications f
3. Ranges Comments Setting High Temperature 5 6 5 5 HL Limit Alarm Set Point 20 to 72 C 68 to 162 F 50 C Low Temperature Limit 8 8 LL Alarm Set Point 14 C to 15 C 7 to 59 F all units 0 0 C Front Panel High 5 6 HA Ambient Temperature Kae R re ecenasetinee 45 C Alarm Set Point Y a FP FP FL N A FL Sd AF Auto Refrigeration 20 to 50 C 35 C Temperature Set Point Always displayed set in C Rp N A Internal Probe gt s A cl Calibration Offset 2 9 C Always displayed set in C 0 0 C C2 Fc N A PC Ct Chiller Type 0 15 Factory Set 02 Fb N A High Temperature Limit HL This menu item serves two functions First it establishes the maximum allowable set point temperature and thus helps prevent an operator from inadvertently setting the temperature set point above a pre established temperature Secondly it serves as a high temperature alarm automatically activating both audio and visual alarm indicators when the measured fluid temperature reaches the HL setting The compressor heater fan and pump will also turn off To change the high limit value rotate the Select Set Knob until the desired high limit value is displayed on the temperature display HL ay 35 0 Low Temperature Limit LL This menu item also serves a dual function First it establishes the minimum allowable set point temperature and thus helps prevent an operator from inadvertently setting the
4. Silicone Oil 36 0 C to 100 C 10 C to 230 C WARNING Fluid s flashpoint temperature DC fluids are manufactured by Dow Corning DO NOT use the following fluids 1 Automotive antifreeze with additives 2 Hard tap water 3 Deionized water with a resistance gt 1 meg ohm 4 Any flammable fluids 2 3 2 4 5 Concentrations of acid or bases 6 Bleach Sodium Hypochlorite 7 Solutions with chromates or chromium salts 8 Solutions with halides chlorides fluorides bromides iodides or sulfur Reservoir Drain For easy cleaning there is a reservoir drain at the rear of the unit The drain cap has a button like seal to prevent leakage part 300 235 Replace the seal if leakage occurs The drain outlet size is standard refrigeration 1 4 inch SAE The pipe thread is 7 16 inch diameter with 20 threads per inch Power After attaching the removable line cord to the back of the unit plug the cord into a properly wired grounded outlet with the same voltage and frequency indicated on the identification label on the back of the unit The power supply must be single phase 208 230V The circuit breaker on the rear of the unit must be ON With the power button on the control panel OFF but with the bath plugged in the display responds by showing standby If there is no response verify the circuit breaker on the rear of the unit is in the ON position Use of an extension cord is not recommended If neces
5. heater fan and pump is removed When condition is rectified push front panel Power button or turn circuit breaker off then on to clear the fault or error eee Description Action Required Warning The ambient temperature is higher M Sa cael ture than the set ambient limit Lower ambient temperature External remote control EC active Chiller in standby for units with Normal Unit idle until remotely activated N A remote control by 12 VDC option Warning Alarm Fluid level is too low An alarm EFL Low fluid level warning will sound once every 8 seconds for 5 N A alarm for units with occurrences If the fluid level has not been optional float switch raised 8 seconds after the fifth alarm the unit will shut down Warning The ambient temperature is higher i O a than the set ambient limit warning Lower ambient temperature or raise i temperature limit Warning The temperature set point is higher than the high temperature limit value If not High temperature set corrected the high temperature limit alarm will EHL 4 i be activated when fluid temperature rises above point warming established the HL volue Lower temperature set point or increase high temperature limit value Warning The temperature set point is lower than the low temperature limit value If not Low temperature set corrected the low temperature limit alarm will ELL be activated when fluid temperature falls
6. or sold to another end user without written consent from the manufacturer Some states do not allow A limitations on how long an implied warranty lasts or B the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights You may also have other rights which vary from state to state Unpacking Your circulating bath is shipped in a special crate Retain the crate and all packing materials until the unit is completely assembled and working properly Set up and run the unit immediately to confirm proper operation Beyond one week your unit may be warranty repaired but not replaced If the unit is damaged or does not operate properly contact the transportation company file a damage claim then contact the company where your unit was purchased Package Contents Open Refrigerated Circulating Bath Operators Manual Warranty Card Description This bath provides open bath cooling power for applications which require a large reservoir All models have a microprocessor controller digital set read and readout in C or F The refrigeration system has modulation capability to provide cooling as needed and thus greater temperature stability and longer compressor life Wettable parts are brass copper polypropylene PVC and stainless steel Refer to the serial number plate on rear of the bath for model and electrical data
7. 4 Over temperature protection alarm i off pump remains on Lower process temperature Reset OTP thermostat push red button on right side of unit Delayed Alarm Activated when the liquid level in the reservoir falls Low liquid level alarm below an acceptable level for 30 seconds of longer Compressor heater 05 N A fan and pump turned off Add fluid to reservoir Alarm Fluid temperature has exceeded 82 C 180 F Compressor 06 High bath temperature alarm heater fan and pump turned off Lower fluid temperature Delayed Alarm Flow rate has dropped below minimum flow rate Low flow alarm setting for 30 seconds Power to compressor heater fan and pump 07 N A turned off Correct cause of low flow rate or decrease minimum flow rate setting Delayed Alarm Activated when fluid outlet pressure has exceeded high pressure limit value for 30 seconds Compressor heater fan and High pressure alarm 08 N A pump turned off Decrease outlet pressure by removing blockage or increase high pressure imit value 09 System fault Fault Power to compressor heater fan and pump turned off Contact service representative for corrective action 10 Electronic power component fault Triac sim Power to compressor heater fan and pump turned off Contact 11 Internal probe fault Fault Faulty temperature probe Power to compressor heater fan and pump turned off Contact supplier Fault Faulty external temperature probe Power to co
8. Operators Manual Model 9805 Large Volume Refrigerated Open Bath Microprocessor Controller Digital Set amp Read with High Flow Centrifugal Pump 110 085 4 6 11 Table of Contents Section 1 Section 2 Section 3 Section 4 Section 5 General Information 1 1 Warranty 1 2 Unpacking 1 3 Package Contents 1 4 Description 1 5 Specifications Operation 2 1 Set Up amp Location 2 2 Reservoir Fluids 2 3 Reservoir Drain 2 4 Power 2 5 1 Selecting the Temperature Unit C or F 2 5 2 Displaying and Adjusting the Set Point 2 5 3 Pressure Flow Rate Display and Units N A 2 6 Setting Operational Parameters 2 7 Display Alarm and Error Messages 2 8 Enabling Disabling the Local Lockout Maintenance and Calibration 3 1 Condenser Reusable Filter 3 2 Temperature Calibration Troubleshooting 4 1 Unit Will Not Operate No Cooling or Pumping 4 2 No Pumping 4 3 Insufficient Pumping 4 4 No Cooling or Insufficient Cooling 4 5 Triac Failure Ft 10 4 6 Internal Probe Failure Ft 11 Service and Technical Support 5 1 Electrical Wiring Diagram Section 1 General Information 1 1 Warranty Thank you for your purchase we are confident it will serve you for along time Our warranty to you is as follows The manufacturer agrees to correct for the original user of this product either by repair or at the manufacturer s election by replacement any defect which develops after d
9. Rate FL N A No Sensors on this model This is the minimum allowable flow rate and can be set in either GPM or LPM the LED adjacent to the display indicates the active unit of measure Should the fluid flow rate drop below the minimum flow rate value the audio and visual alarms will activate and the compressor heater fan and pump will turn off FL ay 0 0 Q Maximum External Internal Temperature Differential Sd N A Not available for this model Sd 5 0 Auto Refrigeration Temperature AF This menu item allows you to select the temperature at which refrigeration is activated To change the displayed value rotate the Select Set Knob until the desired auto refrigeration temperature is displayed NOTE This value is always displayed set in C AF ay 35 0 Remote Probe rP N A Not available for this model rP M NO 2 6 2 9 2 6 2 10 External Calibration Offset C2 2 6 2 11 Flow Rate Calibration F c N A Not available for this model 2 6 2 12 Baud Rate PC N A Not available for this model Internal Calibration Offset C1 This menu item allows you to adjust the Chiller s internal temperature reading to match that of a traceable standard It allows you to offset the displayed temperature value by as much as 2 9 C NOTE Calibration offset values are always set and displayed in C To prev
10. below point warming the established LL value Increase temperature set point or decrease low temperature limit value Normal Indicates that Local Lockout feature see Section 2 8 is enabled Appears ELO PPREJESORONI momentarily when Select Set Knob is pressed to view change set point value Normal Indicates the Local Lockout feature see Section 2 8 has been disabled Appears SAM SANE LEOS EL Lockout momentarily when Local Lockout status is changed from enabled LLO to disabled Warning Indicates that the Chiller did not LO H20 No fluid flow and no detect any fluid flow or pressure upon startup fluid pressure Unit will normally run after 5 minutes after power on 10 Fault Codes Ft Message oj Code Description Aciion Required 01 Factory Reserved None Alarm Process fluid temperature has dropped to low temperature limit 02 Low limit temperature alarm value Compressor heater fan and pump turned off Increase heat load on Chiller or decrease low temperature limit value Alarm Process fluid temperature has reached high temperature limit 03 High limit temperature alarm value Compressor heater fan and pump turned off Decrease heat load on Chiller or increase high temperature limit value Alarm Process fluid temperature is above Chiller s factory set high z temperature safety cutoff Power to compressor heater and fan turned 0
11. elivery of this product within the period as stated on the warranty card In the event of replacement the replacement unit will be warranted for 90 days or warranted for the remainder of the original unit s parts or labor warranty period whichever is longer If this product should require service contact the manufacturer suppliers office for instructions When return of the product is necessary a return authorization number will be assigned and the product should be shipped transportation charges pre paid to the indicated service center To insure prompt handling the return authorization number should be placed on the outside of the package and a detailed explanation of the defect enclosed with the item This warranty shall not apply if the defect or malfunction was caused by accident neglect unreasonable use improper service or other causes not arising out of defects in material or workmanship There are no warranties expressed or implied including but not limited to those of merchantability or fitness for a particular purpose which extends beyond the description and period set forth herein The manufacturer s sole obligation under this warranty is limited to the repair or replacement of a defective product and the manufacturer shall not in any event be liable for any incidental or consequential damages of any kind resulting from use or possession of this product Warranty applies only to the original enduser and cannot be transferred
12. ent the operator from accidentally changing the calibration offset a special sequence of keystrokes is required to access this function Press and hold the Units Menu Button until HL appears on the display Press and release the Units Menu Button until rP appears on the display Press and hold the Units Menu Button While holding the Units Menu Button press and release the Select Set Knob When CAL appears on the temperature readout release the Units Menu Button The current calibration offset value will appear on the temperature readout Rotate the Select Set Knob until the desired calibration offset is displayed Press the Select Set Knob or simply allow the display to time out to accept the displayed value Cl ay 0 0 C2 ay 0 0 Fe M 1 0 PC AE 96 O OOO 2 6 2 13 Chiller Type Ct 2 6 2 14 Fuse Bit Fb N A Not available for this model This menu item allows you to view the current chiller model and will be a value from 0 15 This is a factory setting and cannot be changed but it does provide very useful information for troubleshooting Gi AE Fb AE h O O Display Alarm and Error Messages When certain conditions are detected a message code flashes on the display and the local audio alarm sounds Depending on the nature of the condition power to various systems components such as the compressor
13. id liquid as this may exceed the cooling capacity of the refrigeration system Triac Failure Ft 10 e Triac fault message appears on the display indicating that the triac has failed or the line supply voltage has a source of extreme interference from other equipment Plug the unit into another power source If it still displays triac failure a triac or triac driver needs replacement Internal Probe Failure Ft 11 e The Internal Probe failure message appears on the display indicating that the internal probe has failed or there is a problem with the circuitry reading the probe signal Contact supplier Section 5 Service and Technical Support If you have followed the troubleshooting steps outlined in Section 6 and your Chiller still fails to operate properly contact the supplier from whom the unit was purchased Have the following information available for the customer service person Model Serial Number and Voltage from back panel label Date of purchase and purchase order number Supplier s order number or invoice number A summary of the problem 13 5 1 Electrical Wiring Diagram GRN YEL CHILLER CONTROL PCB 500 251 CODE T2 322 MODEL SELECT CT SET 02
14. iginal factory defaults when the unit in which temperature is displayed is changed The Chiller s temperature set point and various alarm settings should be reset to the desired values Displaying and Adjusting the Set Point Press the Select Set Knob on the front panel The current set point temperature will be displayed and the decimal point at the bottom right of the display will flash indicating the temperature can be changed Rotate the Select Set Knob until the desired set point temperature is displayed The setting is accepted after either pressing the Select Set Knob a second time or will be accepted automatically after a few seconds of inactivity Pressure How Rate Display and Units Not available no sensors on this model 2 6 2 6 1 1 2 6 1 2 Setting Operational Parameters The Chiller s various operational parameters such as temperature flow rate and pressure alarm values are all user adjustable They are accessed by pressing and holding the Units Menu Button until HL appears on the pressure flow rate display Pressing and releasing the Units Menu Button once HL appears allows you to scroll through the various parameters rotating the Select Set Knob allows you to change the displayed setting You can accept the displayed value by either pressing the Select Set Knob or allowing the display to timeout Default Menultem Description Choices
15. layed temperature to match a particular value to have standardization between different instruments These adjustments can be performed using the Chiller s temperature calibration offset functions See Section 2 6 2 9 Internal Calibration Offset C1 Section 4 Troubleshooting 4 1 4 2 4 3 dangerous voltages exist within chassis components Use extreme care when a WARNING Refer servicing to qualified service personnel When power is on measuring voltages on live circuits Unit Will Not Operate no cooling or pumping e Check that the power cord is plugged in to an operating electrical outlet e Check that the Circuit Breaker Power Switch is ON e Check that the front panel Power Switch is ON No Pumping e Check the fluid level in the whole system to make sure the pump is receiving fluid e Check if the pump motor is Operating e Check for blockage within the circulating system Insufficient Pumping e Check for low line voltage e Check for too small of a hose diameter e Check for too high of a fluid viscosity e Check for restrictions in the connecting tubing 12 4 4 4 5 4 6 No Cooling or Insufficient Cooling e Check for low or high line voltage e Check for blocked airflow through ventilation screens e Check ambient air temperature High air temperature may cause the refrigeration compressor to temporarily shut down e Check for excessive heat being transferred to the cooling flu
16. mpressor heater 12 External temperature probe fault fan and pump turned off Replace ambient tracking probe or operate N A instrument using internal temperature probe Contact supplier if fault persists mo Fault Internal electronics failure Power to compressor heater fan and 13 Communications fault pump turned off Contact supplier 14 ADC fault internal probe Fault ADC for internal probe faulty Power to compressor heater fan and pump turned off Contact supplier 15 ADC fault external probe N A Fault ADC for external probe faulty Power to compressor heater fan and pump turned off Contact supplier Alarm Ambient temperature at front panel is higher than high ambient temperature limit Compressor heater fan and pump turned off Occurs when the ambient temperature exceeds the set ambient limit by 5 C or 16 Front panel high ambient temperature m ra alarmi Lower temperature in area in which Chiller is located or increase high ambient temperature limit value See High Ambient Temperature Limit Section Alarm Ambient temperature at rear panel is higher than high ambient Rear panel high ambient temperature temperature limit Compressor heater fan and pump turned off Occurs 17 alarm when the ambient temperature exceeds the ambient limit N A Lower temperature in area in which Chiller is located Temperature limit is not adjustable 11 2 8 Enabling Disabling the Local Lockout This fea
17. rom 15 to 15 C This bath its internal components and the fluid must be protected from freezing starting at 15 C To optimize temperature stability when operating at low temperatures and high room temperature conditions or when using the bath at elevated temperatures it is recommended blanketing the fluid with floating polyethylene balls Cat No 060301 The balls provide an insulating barrier over the surface and are easily pushed aside to access immersed samples Only use fluids that will satisfy safety health and equipment compatibility requirements Caustic corrosive or flammable liquids must not be used WARNING Do not use a flammable fluid as a fire hazard may result You are responsible for proper selection and use of the fluids Extreme range operation should be avoided Stay within the fluid s normal range for best temperature stability low vaporization and safety FLUID DESCRIPTION a cja NORMAL RANGE EXTREME RANGE Water 1 00 10 C to 90 C 2C to 100 C Ethylene Glycol 30 Water 70 90 0 C to 95 C 15 C to 107 C Ethylene Glycol 50 Water 50 82 25 C to 100 C 35 C to 115 C Ethylene Glycol 100 2 50 C to 120 C 35 C to 125 C Methanol 60 Water 40 52 45 C to 0 C a Dynalene HC 50 76 50 C to 60C5 62 C to 60 C DC200 5 cs Silicone Oil 32 35 C to 65 C 50 C to 125 C DC200 10 cs Silicone Oil 34 20 C to 80 C 35 C to 165 C DC200 20 cs
18. sary use an extension cord that is properly grounded and will handle the total wattage of the unit The extension cord should not cause a voltage drop to the bath Warning When refrigeration is switched off it should not be restarted for approximately 10 minutes in order to allow the internal pressures to equalize System damage could result if you do not observe this waiting period NOTE The Chiller incorporates a special lockout LLO feature that can be enabled to prevent unauthorized or accidental changes to set point and other operational values This feature is described in detail in Section 2 8 It should not be enabled until all operational parameters are set 2 5 1 Selecting the Temperature Unit C or F The LEDs adjacent to the Temperature Display indicate the unit C or F used for temperature displays To change from C to F or vice versa proceed as follows To change to F Place the Circuit Breaker Power Switch on the rear of the instrument in the Off position Press and hold the Units Menu Select Button while returning the Circuit Breaker Power Switch to the On position To change to C Place the Circuit Breaker Power Switch on the rear of the instrument in the Off position Press and hold the Power Button on the front panel while returning the Circuit Breaker Power Switch to the On position IMPORTANT All user settings except baud rate and calibration offset return to the or
19. temperature set point below a pre established temperature Secondly it serves as a low temperature alarm automatically activating both audio and visual alarm indicators when the measured fluid temperature drops to the LL setting The compressor heater fan and pump will also turn off To change the low limit value rotate the Select Set Knob until the desired low limit value is displayed on the temperature display LL AK 0 0 2 6 1 3 2 6 1 4 2 6 2 5 2 6 2 6 2 6 2 7 2 6 2 8 High Ambient Temperature Limit HA This menu item protects the Chiller from overheating due to a high ambient temperature Should the ambient temperature rise above the limit value the audio and visual alarms will activate and the compressor heater fan and pump will turn off To change the high ambient temperature value rotate the Select Set Knob until the desired high ambient temperature limit value is displayed on the temperature readout NOTE This value is always displayed set in C HA M 45 Maximum Fluid Pressure FP N A No Sensors on this model This is the maximum allowable fluid pressure and can be set in either PSI or kPa the LED adjacent to the display indicates the active unit of measure Should the fluid pressure rise above the maximum fluid pressure value the audio and visual alarms will activate and the compressor heater fan and pump will turn off FP M 80 Minimum Flow
20. ture is used to prevent unauthorized or accidental changes to set point and other operational values When enabled the values for the functions described in Sections 4 1 4 2 4 3 and 4 5 can be displayed but not changed To enable the local lockout press and hold the Select Set Knob until LLO is displayed approximately 5 seconds Once enabled LLO will aopear momentarily when the Select Set Knob is pressed to display the set point To disable the local lockout press and hold the Select Set knob until CAn appears momentarily as local lockout status changes from enabled LLO to disabled approximately 5 seconds Section 3 Maintenance and Calibration 3 1 3 2 The Chiller is designed to require a minimum of periodic maintenance Condenser Reusable Filter To keep the system operating at optimum cooling capacity the condenser the air vents and reusable filter should be kept free of dust and dirt They should be checked on a scheduled basis and cleaned as required The reusable filter is easily accessed from either the front of the unit Use a mild detergent and water solution to wash off any accumulated dust and dirt and then rinse and dry thoroughly before reinstalling Temperature Calibration At times there may be a minor temperature difference between the Chiller s displayed temperature and the actual temperature as determined by a certified temperature measurement device There may also be situations where you want the disp
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