HR2050 Manual Rev.J
Contents
1. Page 12 y CYBORWRONICS Operation and Maintenance Manual CHAMBER CONTROL PANEL INDICATES STATUS OF AC POWER TO POWER SUPPLY RACK WATLOW Erntlelc PROCESS 70 w OUT RUN L3 L4 SERIES 981 L1 L2 INDICATES CHAMBER 12 VDC POWER SUPPLY IS OPERATIONAL ENABLES DISABLES AC POWER TO THE UUT AC POWER PANEL OR POWER SUPPLY RACK ALARM INDICATER LED s IF LIT INDICATES ALARM CONDITION BLOWER ALARM SHOWN POWER ALARM CONTROL CONTROL OVER TEMP AC PHASE BLOWERS PWR SRC 1 PWR SRC 2 PWR SRC 3 PUSH DOWN TO RESET THE OVER TEMP ALARM MOMENTARY ACTION Page 13 Cv 5 0 d ONICS Operation and Maintenance Manual HR2050 Chamber Dimensions Side View Page 14 CHO or ONICS Operation and Maintenance Manual CYB20477 AC Distribution Panel The CYB20477 AC Distribution Panel is an option available in both 115 VAC and 208 VAC single phase versions This panel provides six 6 fused Switched Outlets The 6 Switched Outlets are controlled by individual Solid State Relays Each ofthese SSR s are turned on or off by a connection to the DTR signal line on the RJ 45 interfaces lo cated below the outlets Two RJ 45 s are provided for each outlet such that an serial control cable may be passed thru the panel to facilitate the connection to gro2. Wire Grounding Hubbell Type Plug Cybortronics P N 419004 e Mating Connector Hubbell Type Connector Cybortronics P N 405004 CHAMBER EXTERIOR DIMENSIONS Width 762 mm 30 inches Depth 1 422 mm 56 inches Height 2 133 mm 84 inches Weight 340 Kg 750 Lbs Page 17 y CYBO ROR ONICS Operation and Maintenance Manual SECTION 4 SET UP OPERATION AND VERIFICATIONS Set Up Inspect the chamber for shipping damage that may of occurred during transit Inspect that the filters are in place and that there are not any puncture holes Verify that the main breaker located on the back of the Chamber is in the OFF position A Take proper precautions when working with electrical Connect the power cord devices WARNING ELECTRICAL SHOCK HAZARD N The Refrigeration compressor is direction critical Correct phasing IS REQUIRED The wiring of the power supply drop must match the phasing of the chamber wiring Wiring of the chamber is as follows from the large ground pin moving counter clockwise looking at the plug Large Pin ground L1 L2 L3 Neutral moving counter clockwise Observe the Phase Monitor Status LED located on the Control Panel when the circuit breaker on the chamber is switched on If the red LED is lit then the power supply phasing to the chamber is NOT CORRECT and must be corrected BEFORE the chamber can function e To correct the phasing at least two of the legs have to be intercha
3. 1 of 1 1 2 3 4 5 6 7 8 gt i Y wv BR 3 A YA E Cer eal iE C LJ sl Genetron AZ b ACCU ACCUMULATOR Pentafl TELE ae a a e gt el COMP COMP o 1 1 1 Tri fl ouroethane 50 ae Dai SESSO 2 2 UN3163 COND CONDENSER EVAP EVAPORATOR Ambient Operating Temp 68 75 F FLT FILTER Standard Charge 6 5 lbs e 68 75 GV GLOBE VALVE IPCO HIGH PRESSURE CUT OUT irem d Gide Tigh Pres NIE 360 psig PCO LOW PRESSURE CUT OUI Suction Side Pres NIE 124 psig REC RECEIVER At 10C Box Tem A Sucti on Pres 30 on Ir E nr By pass Mode fonia on Pressure 10 la SL Sibi GLASS By pass Mode Suction Temp 375 F nom MSV AIN SOI NOID VALVE MTXV MAIN THERMOSTATIC EXPANSION VALVE BSV BYPASS SOLENOID VALVE BTXV BYPASS THERMOSTATIC EXPANSION VALVE EVAP MTXV ju SG FLI E Go pla IN pem T V W BTXV eX Gv BSV gt lt LI REC COND LPCO 5 psig c D Je a Ip _HPCO COMP ee P ACCU HR2OSORL Rev L
4. Blower Alarm Measure Input Voltages Check Refrigeration Op eration Performance 60 0 C Check Compressor Oil Level Temperature Control Veri fication Maintenance Schedule Description Check heater current while ramping L1 lamp should be on solid Approx 30 Amps under load contact 2 of SSRs 3 of them Dial down overtemp to hear alarm return to position and reset 80C Inside back wall in discharge Gently push switch up lis ten for alarm Then reset on front panel 230 Volts MAX 3 Phase check at control panel under hood at L1 L2 L3 A E EN EN 6 5 Amps EM HR2050 10min 2 minutes Check oil sight glass in compressor for proper level Verify correct reading by sampling at the chambers thermo couple location inside and just above door jamb 2 degrees C Inspect Refrigeration check for leaks Check run current mM X EM CYBO or ONICS Operation and Maintenance Manual SECTION 7 RECOMMENDED SPARE REPLACEMENT PARTS Cybortronics has included in this manual a comprehensive replacement and spare parts list Refer to your maintenance schedule in this manual for replacement frequency Items marked by an asterisk indicate that the replacement and spare parts should be added to your current inventory to reduce downtime Contact Cybortronics Inc at 1 949 855 2814 A Customer Service Representa tive will process your order All orders are shipped F O B Irvine California USA P
5. the only device on the Model 2050 Chamber that requires calibration The Time Delay and the Over Temperature Switch are adjusted at the factory a Cybortronics recommends an annual verification of the Watlow Controller Specific Instructions on how to verify the Watlow Controller can be found on the Watlow Website at www watlow com Look for the calibration instructions for the 98X Series Controllers It has been stated by Watlow that the calibration procedures are identical for the 98X series and the 998 Series Controllers The Watlow Over Temperature Limit has been set at the factory to alarm at 80 C 2 C the safe maximum temperature If the alarm sounds at a different temperature contact Cybortronics The Time Delay Switch for the refrigeration unit is programmed to shut off the refrigeration compressor five 5 minutes after the heating cycle has started If the switch seems to be malfunctioning or tripping at a different time setting that a replacement be ordered from Cybortronics Inc Page 20 CYRO d ONICS Operation and Maintenance Manual SECTION 5 MAINTENANCE The HR2050 Temperature Chamber has been designed to provide years of trouble free operation when periodic maintenance schedules are followed Ad hering to the following periodic maintenance schedule will also keep your cham ber within warranty Page 21 d Maintenance Manual Ion an Operat Y nic CERO Maintenance Activity Condenser Fil
6. Cybortronics Inc Model HR2050 Chamber Operation And Maintenance Manual y CYBO RORONICS Operation and Maintenance Manual PUBLISHED BY Cybortronics Inc 13845 C Alton Parkway Irvine CA 92618 Phone 1 800 289 8203 1 949 855 2814 FAX 1 949 855 0278 E Mail www sales cybortronics com No part of this manual may be reproduced in any form or by any means electronic or mechanical including photo copying nor may its contents be communicated to a third party without prior written permission by Cybortron ics Inc Contents of this manual may change without notice Revision Date January 9 2004 Page 2 CYBO or ONICS Operation and Maintenance Manual Table of Contents SECTION 1 General Information Safety Warranty Packing List SECTION 2 Product theory of Operation Specifications Dimensions and pictorials Watlow Quick programming Guide SECTION 3 Installation Electrical Requirements Wiring Requirements Electrical Connections SECTION 4 Set Up initial Turn On Verification of Controller Verification of Chamber Functions Dehumidifier Functions SECTION 5 Calibration SECTION 6 Maintenance SECTION 7 Replacement Parts SECTION 8 Schematics Drawings Page 3 Operation and Maintenance Manual Chapter 1 GENERAL INFORMATION Safety Throughout this manual there are important instructions regarding the safety considerations They are focused as follows WARNING Warning denotes a haza
7. UUT power control to induce and regulate the environment BLOWER High rate air flow is induced through the use of a 1300 CFM hp blower that is designed to circulate the air over the UUT and through the temperature inducing components of the chamber for rapid and efficient transfer of temperatures to and from the UUT HEATER A triple element resistive heater of 14 kilowatts is proportionally controlled through solid state relays to induce and maintain temperatures rises from 10C to 80 C REFRIGERATION A 3 5 hp R507 based refrigeration system is used to remove the heat from the chamber and to provide temperatures as low as 10C The refrigeration system throttles condensed liquid refrigerant to the evaporator the cold component in the refrigeration system by the temperature controller through the use of a pulsing solenoid valve This enables the cooling volume or intensity to be proportionally delivered to the chamber and UUT DEHUMIDIFIER A desiccant based dehumidifier re circulates the interior air in the chamber through a regenerative rotating desiccant wheel to remove moisture from the Page 7 y CYBO ROR ONICS Operation and Maintenance Manual interior air and to minimize condensation on the UUT during temperature rises from freezing CONTROLLER The components of the chamber are controlled via a Watlow 981 process controller that samples the interior air temperature and regulates the heating cooling and deh
8. a Part Number 412001 204003 411001 608001 419001 402001 204004 407001 407002 407003 407004 407005 407006 407007 407008 507003 507002 513001 418001 418002 202001 419002 204001 416001 410001 204002 402004 606001 809001 809002 606002 Page 25 AL CHAMBER MODEL HR2050 REPLACEMENT PARTS MATRIX CONT Dehumidifier Filter Dehumidifier 809001 Air Filters 12 per case Around Refrigeration System 809002 Low Pressure Limit Switch 5 20 Lower Refrigeration Area 606002 High Pressure Limit Switch 425 500 Lower Refrigeration Area 606003 Solenoid Valve Lower Refrigeration Area 607001 TXV Orifice Cartridge for Main Expasion Valve Kit Lower Refrigeration Area 608004 Main TXV Body for Main Expasion Valve Kit Lower Refrigeration Area 207001 Dryer Filter Lower Refrigeration Area 608002 Compressor Lower Refrigeration Area 604002 Refrigerant Refrigeration System 608005 UUT Panel Outlet Control Relay Main Electrical Panel 507003 Revised 12 11 03 Page 26 CYBO n ONICS Operation and Maintenance Manual SECTION 8 Drawings and Schematics Page 27 To Fuses on Main Control Panel PHASE 3 ang PHASE 2 PHASE 1 GROUND E 6 PIN MOLEX RELAY DPDT ONoOnRWONM ONoOnRWN ONOnRWNM ONoOnRWONM ONoOnRWON ONOnRWON ONOnRWNM ONoOnRWNM ONoOnhWNM 1 j 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 ZA S al z YBORTRONICS INC IRVINE CALIF itl
9. age 24 y Operation and Maintenance Manual CYRO e ONICS CHAMBER MODEL HR2050 REPLACEMENT PARTS MATRIX Recommended on Hand Description Blower Motor Blower Sub Assembly Capacitor Blower Motor Cooling Fan Blower Motor Fan Condenser Dehumidifier Control Relay Heater Assembly Fuse 5 Amp Fuse 8 Amp Fuse 10 Amp Fuse 15 Amp Fuse 15 Amp Fuse 25 Amp Fuse 30 Amp Fuse 40 Amp Solid State Relay 25Amp Solid State Relay 75A Solid State Off Delay Timer Process Controller Overtemp Controller Power Supply 12V Line Phase Moniter Fan Switch Assembly Fan Speed Control Unit Main Circuit Breaker 60 Amp Dehumidifier Unit Relay Main Control Board Refrigeration Contactor Dehumidifier Filter Air Filters 12 per case Low Pressure Limit Switch 5 20 Location Top Air Box Top Air Box Top Air Box Top Air Box Lower Refrigeration Area Main Electrical Panel Top Air Box Main Electrical Panel Main Electrical Panel Main Electrical Panel Main Electrical Panel Main Electrical Panel Main Electrical Panel Main Electrical Panel Main Electrical Panel Main Electrical Panel Main Electrical Panel Main Electrical Panel Front Control Panel Front Control Panel Main Electrical Panel Main Electrical Panel Inside Chamber on Back Wall Refrigeration Control Box Back Upper Panel Back of Chamber PCB Front Control Panel Refrigeration Control Box Dehumidifier Around Refrigeration System Lower Refrigeration Are
10. cle by following the following directions to cy cle the chamber to 70 C and down to 10 C 1 Press the f arrow keypad while watching the green display and Ramp the temperature up to 70 The chamber will now activate the heaters and start heating The red display indicates the actual chamber temperature 2 The chamber should take approxmately 5 minutes to reach 70 3 At 35 the Munter Dehumidifier will start Verify the operation of the dehumidifier by placing your hand over the red capped exhaust port A warm airflow should be exiting from the port 4 Now press the arrow keypad and reduce the temperature setpoint to 10 observing the green display The chamber will now shut off the heaters The refrigeration unit will now start and the temperature in the chamber will start to drop 5 When the chamber has reached 1 the red display the Munter dehumidifier should shut off Place your hand in front of the red exhaust port and you should feel the air flow decreasing to nothing as the blower winds down this may take several seconds for the blower to stop completely 6 Once the chamber has reached 10 you may reset the chamber set point temperature to 25 C room temp or shut the chamber off 7 If all of the above functions operate properly your chamber is now ready to use Page 19 y CYBO ROR ONICS Operation and Maintenance Manual SECTION5 CALIBRATION The Watlow Series 998 Controller is
11. e AC DISTRIBUTION PANEL Size Document Number CYB20440 208 SCH Date Tuesday October 28 2003 Sheet 1 2 3 4 y 5 6 7 8 F13 TRM25 COMPRESSOR ES PHASE3 Blue Fi2 TRM25 N Condenser 4 T ER Fan Motor 4KW Heater 4KW Heater 4KW Heater F11 TRM25 ne a CS1 cs2 le Senne Hi ue Pi I Li M H Side Pres ow Side Pres PHASE2 Red ie meet K2 A MAIN Compressor Bypass 3 POWER Solenoid Solenoid INPUT LED On When Pha
12. he cooling system is on L3 Dehumidifier Control L4 Indicates that data is flowing over the RS 232 port The 1st press of this key will enter the SYS menu Use up arrow key to step to PID menu or PROG menu See Watlow manual to set PROG values and steps These keys are normally used to change the set point of the controller When pressed simultaneously for approx 3 seconds you will enter the setup mode Please see the WATLOW MANUAL Pressing this key once will allow you to select which of the 4 Ramp and Soak profiles to run The RUN Led will flash at this time Pressing the key again will start the selected profile The RUN Led will be on steady while a profile is running Ifa profile is running pressing this key will stop execution of that profile and the RUN Led will be off Page 16 y CYBO ROR ONICS Operation and Maintenance Manual SECTION3 INSTALLATION SITE SELECTION e Environmental Operating Conditions Ambient Temperature should be between 6 1 C 43 F and 29 C 85 F Relative Humidity should be no greater than 50 e Flooring should be smooth and level e Minimum clearance for the sides and back of the chamber shall be no less than 91 meters three feet ELECTRICAL CONNECTIONS Take proper precautions when working with e 208VAC 230 VAC 50Hz 60Hz electrical devices Three phase 60 Amps WARNING ELECTRICAL SHOCK HAZARD POWER CONNECTION CON FIGURATIONS e Plug 4 Pole
13. ms Please take an inventory of these items Contact Cybortronics Inc if any items are missing NOTE Your chamber may have additional items please refer to your purchase order 1 One 1 Model HR2050 Cybortronics Environmental Chamber 2 One 1 Cybortronics Model HR2050 Operation and Maintenance Manual Consisting of a Watlow Series 988 Communications Manual b Munter Dehumidifier Unit Manual c Series L Temperature Limit Manual d Cybortronics Certification of Conformance Compliance e Watlow Certification of Conformance Four 4 Adjustable Leveling Feet Three 3 Replacement Condenser Filters Two 2 Replacement Dehumidifier Filters UUT Unit Under Test Interior Mounting Rack standard 19 inch rack rails with 6 support shelf rails Watlow Series 988 User s Manual Page 6 y CYBO ROR ONICS Operation and Maintenance Manual SECTION 2 PRODUCT THEORY OF OPERATION AND SPECIFICATIONS THEORY OF OPERATION The HR2050 temperature chamber provides an environment in which electronic manufactured product unit under test UUT can be subjected to operating temperatures inside and outside normal operating environments The temperature chamber takes on the form of a standard electronic equipment cabinet and features a standard 19 rack rail system to best adapt to the UUT A process controller monitors the air in the chamber and controls the functions of air circulation heating cooling dehumidification and
14. nged e MAKE SURE THAT THE CHAMBER IS SWITCHED OFF BEFORE UN PLUGGING THE CHAMBER At NO TIME should an attempt be made to change the wiring on the chamber Damage to the chamber could result and will void the warranty e Verify that the power cord for the Dehumidifier is plugged into its designated socket located to the left of the dehumidifier e Verify that the red vent plug on the dehumidifier is not blocked or occluded 2 lnitial Start Up NOTE Your Cybortronics Chamber has been extensively tested at Cy bortronics before it was packaged and shipped your location It is advisable to cycle your chamber to verify all heating and cooling functions are operating properly before you load the chamber with your product Page 18 y CYBO ROR ONICS Operation and Maintenance Manual At anytime during this verification procedure your chamber does not function as prescribed in this procedure call Cybortronics Inc 1 800 289 8203 and ask to speak with a technical service representative When contacting Cybortronics with any service or technical inquiries please have your chamber model and serial number available 3 VERFICATION OF TEMPERATURE CONTROLLER REFRIGERATION AND HEATER OPERATION When the circuit breaker is switched to the ON position the chamber blower will activate and will start to heat or cool the chamber to the tempera ture set point on the process controller usually 25 C Verify that the chamber will cy
15. or AC Power requirements 208 VAC 3 Phase 60 Amps w UUT fully loaded Page 8 HR2050 Chamber Dimensions Front View Ed CI ED CYB ES NICS Operation and Maintenance Manual HR2050 Chamber Front View UUT Power Control On Off Optional Chamber Control Components under Hood Watlow Temperature Controller Over temp Alarm Reset Switch User Cable Pass thru Ports Door Stay Adjust Page 10 CYBOR Removable access cover for Main Blower and Cooling Fan UUT AC Distribution Panel P N 204005 With 6 Fused Switched Outlets and 2 User Outlets Temperature Controller RS 232 Interface Main AC Input Connecter 208 VAC 3 Phase 60 Amps Condenser Coil Condenser Fan Motor Removable grills covering 3 Condenser Air Filters rear filter removed for visibility ONICS gt E BR IHN Page 11 Operation and Maintenance Manual HR2050 Chamber Rear View Main AC Input Disconnect and Circuit Breaker Dehumidifier Dehumidifier Filters Front and Rear Dehumidifier Exhaust Restrictor Do Not Remove Compressor Contactor behind compressor Compressor Condensate Cv 5 0 d ONICS Operation and Maintenance Manual HR2050 Chamber Dimensions Footprint
16. rd It calls attention to a procedure practice condition or situation which if not correctly performed or adhered to could result in injury to or death of personnel N CAUTION Caution denotes a hazard It calls attention to a procedure practice condition or situation which if not correctly performed or adhered to could result in damage to or destruction of part or all of the product N CAUTION Note highlights important information It calls attention to an essential procedure practice or observation N Indicates an Electrical Hazard Improper handling could cause electrical shock resulting in serious injury or death Page 4 y CYBO ROR ONICS Operation and Maintenance Manual Warranty Cybortronics issues a warranty for this product for the material and parts for one 1 year from the date of shipment Cybortronics issues a warranty for labor costs for ninety 90 days from date of shipment Cybortronics issues the same warranty for product shipped overseas ONLY if a Cybortronics certified ser vice representative witnesses the unpacking and installation of the product Additional warranties and service contracts are avail able Call Cybortronics Inc and we will be happy to assist to your service needs Page 5 y CYBO ROR ONICS Operation and Maintenance Manual PACKING LIST Your Cybortronics Inc Model HR2050 Chamber standard model has been shipped from the factory with the following ite
17. se OK PHASE 1 Black F4 AGC5 FC A3T40 La N FB A3T40 208 VAC T Ne FA AST40 3 PHASE E s 1 X a X X NEUTRAL AC AC AC AC AC AC 4 e SSR4 SSR3 SSR3 60 AMPS L SSR 75A SSR 75A SSR 75A AC AC AA SSR1 gt E E bs SSR 40A d d ui GROUND ES Elo da CP RELAY TRM8 TRM8 OVERTEMP AC AC com no 7 K3 CONTROL FS jr e AGC5 177 pi 4 P1 S i 1 Dehumidifier BLWR Off Delay Timer 2 E Control Line SWITCH m sw Plug u Power Pack Sw i B Pa Load Line RELAY MAIN Ki Dehumidifier AC Fi 154 BLOWER LS1 No n 4 F2 15A DI To optional ac v SONALERT Distribution ue E ea RS 232 to Panel EN O i WATLOW SEG RJ 45 JP1 CYB20477A Fe 15A P TEMP NN A 4 t hs CONTROL F9 15A 8 RD E No I he 7 _GND 1 13 12 t 0 9 8 7 6 5 3 2 1 pd L1 _ i E L T l 2 eee tor ae PH i 3 5 uum Ru QAR ACA E ls y y wi oy x x x x x as EO A PWR ON OFF x x x x E 16 P4 s br AUDIBLE RESET Mom FRONT PANEL q T o LED S AND SWITCHES 3 CYB20480 MODULE Rev B T On Off Control for External Device H Cable on rear of Chamber F I g u re 1 1 J3 Switched G d n By Power On Off Switch Cybor tr onics Inc n WI Switched 12 VDC Irvine CA 92618 d By Alarm Condition 1 800 289 8203 Title 6 PIN MOLEX HR 2050 MAIN CONTROL SCHEMATIC Size Document Number ev Custpm CYB2050 SCH i H ate Thursday February 05 2009 Sheet
18. ter s Restock any spare fuses Check for Clean Condenser Condenser Fan Operation Dehumidifier Filters 2 Dehumidifier Blower Operation Dessicant Wheel Movement Check Condensate Hose Pan Check for Clean Evaporator Chamber Condenser Blower Operation Blower and Condenser Motors Check Electrical Connections Check Heating Ramp Maintenance Schedule Description P N 809002 Spare holders under the front electrical hood Brush or vacuum as necessary Check all fans for proper operation and direction Condenser Fan Heater Fan counterclockwise viewing rear of mtrs Inspect monthly and replace as necessary P N 809001 Check that the dehumidifier is working when the L3 Watlow lamp is OFF The dehumidifier operates between 1C and 35C Verify exhaust exiting from red exhaust port Look inside exhaust port to see dessicant wheel moving slowly Check condensate pan and hose for good drainage Leave water in copper tube trap to prevent moisture re entering chamber Brush or vacuum as necessary Good blower air flow quiet motor no vibration Moving freely no lubrication required Look for discolored lugs fuses or relays under hood Ramp the chamber to 60C depedent on UUT mass 10 12min HR2050 Monthly ES a ES u Ed ul A Semi Annual Page 22 tenance Manual In ion and Mai Operat QRONICS EYBOR Maintenance Activity Heater Relay and Element Operation Overtemp Alarm
19. umidification functions for ramp to and maintain desired test temperatures within the chamber The 981 will operate manually through inputs from the front panel keypad from programmed ramp and soak profiles stored in memory or through instructions received via it s standard RS232 communication port A separate and independent Watlow Series L over temperature controller monitors the air inside the chamber for conditions above 80C The controller then inhibits the UUT power heating and cooling functions and sounds an Sonalert alarm in the event these conditions exist This alarm condition requires a manual reset by the operator to return the system to normal function e Temperature range of 10 C to 80 C e Temperature rate of change of 5 C per minute with no live load and 50 Ibs of Fixtured Product 50 000 BTU Refrigeration System e Self contained within the chamber e R 507 Ozone Safe Refrigerant e Compressor Inhibit if Refrigerant lost 40 000 BTU Heating System 1500 CFM Air Recirculation with Vertical Airflow design Watlow Model 981 Temperature Controller e 20 step Ramp amp Soak profiling e RS 232 RS 422 or EIA 485 Communications Interface Safety Alarms with LED Display and Audible alert e Over Temperature e Blower Failure e Input power phase status Front Panel Display and Control of Alarm Status and UUT Power Control Double Pane Glass Doors for product visibility Brushed Stainless Steel and Granite Grey Powder Coat Exteri
20. und and DTR for the SSR s An LED is also attached to each DTR line The ground line is passed thru a relay connected to the chamber control circuit This relay is controlled via the Power On Off switch located on the front panel of the chamber The relay will also be turned off if an Over temp alarm condition is present in the chamber This will then disable all SSR s and remove AC power to any product plugged into the 6 UUT Outlets UUT AC Outlet Circuit Breaker and Indicator UUT AC Power Outlets RJ45 UUT Power Control Interface Temperature Controller RS 232 Serial Interface Page 15 y DER o RR O NICS Operation and Maintenance Manual Watlow Controller Quick Operation Guide RED DISPLAY This key will cause the GREEN display to step thru displaying the set point the deviation from set point the of output power and wether the temperature is displayed in C or in F This display will normally indicate the current temperature in the chamber It will also indicate the value of the parameters displayed in the display WATLOW lo n PROCESS 7 L3 RUN SERIES 981 G oo OUT L4 GREEN DISPLAY L1 Indicates that the heaters are on This display will normally indicate the current set point It will also indicate other functions depending on the use of the DISP key and the MODE key Values of these other functions are displayed in the RED display L2 Indicates that t
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