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LG Electronics 34E Cell Phone User Manual

1. 72 Analog 73 Analog Input 3 74 Analog ____4 6_6 _ _ 6_____ 75 Analog KO TU ao u EP 76 Optional Analog Input Jumper Tables 77 Standard Vilter Warranty Seller warrants the products it manufactures to be free from defects in material and workmanship for a period of eighteen 18 months from the date of shipment from Seller s manufacturing plant twelve 12 months from date of installation at the initial end users location whichever occurs first In addition Seller provides the following extended warranties a three 3 years from the date of shipment on single screw compressor internal rotating parts b two 2 years from the date of shipment on reciprocating compres sors and single screw and reciprocating compressor parts and c two 2 years on all other parts on a single screw compressor unit Such warranties do not apply to ordinary wear and tear Seller does not warrant that the product complies with any particular law or regulation not explicitly set forth in the specifications and Buyer is responsible for ensuring that the product contains all features necessary to safely perform in Buyer s and its customer s plants and operations Buyer must notify Seller of any warranty claim wi
2. 66 98 gt e lHOd 9088 Hd r x CN ds 1 000 uF CB luF 325 046 0014 VIITER RX SERIAL imll GND O 24 ass REV LED2 POSITION DIPSWITCH 76 Optional Analog Input Jumper Tables Analog 1 A For Current Analog Input 1 B Transformers Only Analog Input 2 Analog Input 3 Analog Input 4 Analog Input 5 TI Optional Analog Input Jumper Tables CHANNEL 7 SIGNAL 19 p Analog Input 7 0 5 1 5 Volt 0 10 Volt 4 20 ICTD RTD ACTUATOR Analog Input 8 0 5 Volt 1 5 Volt OUT 0 10 Volt 4 20 mA ICTD RID ACTUATOR POTENTIOMETER OUT 78 79 EmersonClimate com Vilter Manufacturing LLC P O Box 8904 Cudahy 53110 8904 414 744 0111 414 744 1769 www vilter com VILTER Since 1867 Vilter Manufacturing LLC are trademarks of Emerson Electric Co or one of its affi liated companies 2010 Emerson Climate Technoligies Inc rights reserved Printed in the USA 35391SC Rev 2 00 EME Climate Technologies
3. 7 m LL A U RE12001 7 n J LED12 REV 1 Gb 325 046 0010 R3 24V GND 0000 Open right 3 Open right 2 Open right 1 Closed left RE12001 J2 67 Digital Output 2 J1 DE 24V GND B12 R11 Gud TEK jap pe 24 VDC R10 co oe Gs voc 10000 2 213 2 O O 3 O 4 _ _ ki O O 52 5 Et gt i el 3 ol o ol 5 o al 5 O o e U R5 H 5 a UK pe LU R7 T SLE Me 6 SRE EE 558 557 al ke f LED oi C5 8 a a 1 100uF 2 SERIAL 1 325 046 0010 24V GND e 0000 J DIPSWITCH POSITION Open right Open right 3 2 Closed left 1 Open right 68 Digital Input lt E I PIC16F876SR p e co I LED11 8 5 REV 1 NENNEN SERIAL NENNEN 1 pe 5 O0uF C co I OKE o 396 325 046 0011 CB eo a 6990 Open right Open right J2 3 2 Closed left 1 Closed left 69 70 RE12001 RE12001 F LED
4. 197 siga Capacity Slide Pumpdown Enable Setpoint 1 Setpoint 2 orig Volume Slide Stop Pressure 0 0 Psig 0 0 Psig Stop Delay 5 sec sec 13 0 Min Slide Position Pulldown Suction Press Control Setpoint 20 0 Psig Bi Suction Setpoint 1 Setpoint 2 Press 39 7 Psig Step Pressure Psig Psig emp 33 3 F Delay Per Step min min Discharge Press Temp 165 2 Psig 125 6 Oil Press Diff 133 7 Psig Filter Diff 4 1 Psig Inj Temp 157 2 F Sep Temp 123 6 F No Scheduled Maintenance 03 02 2010 04 35 24 Language Motor Run Hours Amperage 0 0 Amps No Alarm Trips Present For Future Software Releases Pump down 22 The Pump down set points define a method of pumping down a chiller which is to draw off refrigerant from the chiller The purpose is to prevent liquid refrigerant from developing in the chiller during an off cycle and then being drawn into the compressor when it restarts This feature can be enabled or disabled from this menu If Pump down is enabled this feature will only function when the compressor is in Auto mode If Pump down is enabled then The Auto cycle feature is disabled automatically Normally the Pump down Stop set point will be set lower than the Auto cycle Stop set point Therefore as the suction pressure is pulled down the compressor is prevented from shutting down p
5. DESCRIPTION TYPE 4 20 mA 0 5A 0 5V 1 5 V 0 10V 4 20 mA 0 5V 1 5 V 0 10V 4 20 mA 0 5V 1 5 V 0 10V 4 20 mA 0 5V 1 5 V 0 10V 4 20 mA 0 5V 1 5 V 0 10V 4 20 mA 0 5V 4 20 mA Potentiometer 0 5V 4 20 mA Potentiometer 4 20 mA RTD ICTD 4 20 mA RTD ICTD 4 20 mA RTD ICTD 4 20 mA RTD ICTD 4 20 mA RTD ICTD 4 20 mA 0 5V 1 5 V 0 10V 4 20 mA 0 5V 4 20 mA 0 5V 1 5 V 0 10V 4 20 mA 4 20 mA RTD ICTD 4 20 mA RTD 4 20 mA RTD 4 20 mA RTD 0 5V 1 5V 0 10V 4 20 mA RTD ICTD 0 5V 1 5V 0 10V 4 20 mA RTD ICTD 0 5V 1 5V 0 10V 4 20 mA RTD ICTD 0 5V 1 5V 0 10V 4 20 mA RTD ICTD 0 5V 1 5V 0 10V 4 20 mA RTD ICTD 0 5V 1 5V 0 10V 4 20 mA RTD ICTD 0 5V 1 5V 0 10V 4 20 mA RTD ICTD 0 5V 4 20 mA RTD 0 5V 4 20 mA RTD 0 5V 4 20 mA RTD 0 5V 4 20 mA RTD MOTOR CURRENT Default is a 0 5 Amp current transformer CT Current transformer ratio is set in the calibra tion screen SUCTION PRESSURE Default signal is 4 20Ma Suction pressure transducer range and calibration is set in the calibration screen DISCHARGE PRESSURE Default signal is 4 20Ma Discharge pressure transducer range and calibration is set in the calibration screen OIL FILTER PRESSURE Default signal is 4 20Ma Oil filter pressure transducer range and calibration is set in the calibration screen 21 MANIFOLD PRESSURE Default signal is 4 20Ma manifold pressure tra
6. Press Temp r Press Diff 146 7 Psig Filter Diff 3 9 Psig Inj Temp 157 8 F No Scheduled Maintenance 03 02 2010 05 10 40 Motor No Alarm Trips Present Run Hours 0 0 Amps 165 5 Psig 128 3 Language Sep Temp 124 3 F This screen allows the operator to force digital outputs ON for diagnostic purposes If you choose to exit this menu while an output is still forced on the output will be unforced before the menu exits Note The forcing of the compressor output will be limited to for the purposes of determining motor rotation direction 44 Suction Pressure 1 Oil Filter In Press Oil Manifold 0 200 psia 4 20ma Instrument Calibration Stopped 6 9 Psig 26 9 Psig jumpers selection Min Max en me diii i Menu 03 02 2010 05 57 32 Run Hours 0 Capacity Slide Volume Slide Suction Press Control Suction Discharge 45 Slide Calibration Suction Pressure 1 Stopped 6 9 Psig Capacity Slide Capacity Slide Valve Potentiometer Cap 2 Volume Slide 0 0 Software limit set points Min Limit Max Limit 150 4850 Volume Slide Valve Potentiometer Vol Suction Press Control 15 Setpoint 20 0 Psig Software limit set points Min Limit Max Limit Suction 150 asso Press 26 9 Psig emp 343 3 F Discharge Pr
7. RN E al al gt E 01010 E E nokre tea LE wl eA Bn Fe BO Eco 8 80 J oh he ot eq zu Gy co Br a ope 325 046 0013 SERIAL REV 1 w A ON ON ON ON POSITION 1 POSITION 1 ON i k eS 9 9 9 1 LIN JP9 B JP8 5 JP7 JP12 JP11 JP10 15 14 JP13 VJITER SINCE 1287 Analog Input 2 2 ads N 4 hd E ALS ub A 1 000uF 21 15 12 ap E I 17 m J E x C dou E co 18 4423 FEE J 2 2 OF VG mi y Gk Gr Gr ey ter 2g on ae EL ar D J ay Co m e co Do 219 E 5 o e a RN 12 c e ca B UT ue J S 29 c far amp 7 k l M 3 o o Q O Q Q Q 000000000000000000006 ae SF ao h Hoty mr GF x 2 J 325 046 0013 SERIAL 1 w Open right Closed left Closed left Closed left 1 000uF 74 18 4423
8. Capacity Slide Misc 1 Control Mode Suction Pressure 5 1 v Enable Schedule Setpoint 1 Setpoint 2 Volume Slide Stop Load Force Unload Stop Load Force Unload 13 0 96 High Motor Amps 5 0 Amps 10 0 Amps 5 0 Amps 10 0 Amps High Discharge Pressure 190 0 Psig 200 0 Psig 190 0 Psig 200 0 Psig Low Suction Pressure 2 0 Psig Psig 2 0 Psig Psig Suction Press Control Setpoint 20 0 Psig Liquid Injection gt Liquid Inj Setpoint 1 125 0 F Suction 5 Motorized Valve Control Press 39 7 Psig P D 33 3 F 2 Liquid Inj Setpoint 2 125 0 Solenoid Differential Discharge Press Temp Oil Sep Temp Override 165 1 Psig 125 6 F 03 02 2010 04 37 54 Inj Temp 157 2 F Sep Temp 123 6 Motor Run Hours 0 0 Amps Misc Control 34 Control Mode Drop down box allows selection of current operating mode from the list of allowable modes High Motor Amps Unloading This control feature will limit the compressor capacity when the compressor motor amps reaches these load limiting set points When the set points are set properly this control feature will prevent the motor from operating at excessive high amp conditions which will help to prevent the com pressor starter from stopping the compressor on motor overload conditions Stop Load prevents the compressor from loading when the set poi
9. This screen is designed to display compressor events in chronological order and time stamped The top of the list shows the most recent event followed by older events 54 Input Output States Suction Pressure 1 Stopped 6 9 Psig Capacity Slide Live I O i Motor Current Process Temperature 46 8 F Suction Pressure 26 9 Psig Condenser Pressure 30 0 Hg Volume Slide Discharqe Pressure 165 2 Psig Remote Capacity 37 0 Oil Filter Pressure 177 4 Psig Economizer Pressure 0 0 Psig Oil Manifold Pressure 173 2 Psig Chiller In Temperature 0 0 F Suction Press Control Setpoint 20 0 Psig Slide Valve Position in 3 2 Motor Winding Temp 1 0 0 F volume Position 1 1 Motor Winding Temp 2 0 0 F Suction Press 26 9 Psig emp 33 3 F Suction Temperature Motor Winding Temp 3 0 0 Discharge Temperature 135 0 F Auxiliary 1 Oil Separator Tem 123 6 F Auxiliary 2 P x Discharge Press Temp 2 3 4 Freeze Data Oil Press Diff 146 4 Psig Filter Diff 4 2 Psig No Scheduled Maintenance 03 02 2010 05 30 44 165 2 Psig 135 0 F Oil Manifold Temp 131 3 F Auxiliary 3 Page Inj Temp 131 3 F Sep Temp 123 6 F Motor Run Hours 0 Amperage 0 0 Amps No Alarm Trips Present This screen allows showing of Live Data of all analog points and digital points being monitored or of Fr
10. o 4 Analog Input 3 21 15 12 ss qu 4 Tu J gt ned 17 C11 HEFTE d id M J os m iD W c19 J ALS eS UN Ja K 2 E 9 979797 OEE 6h Oo eq 2 en m E EU 0 1 ms Do J Ome ho cp zl 112 11211211 2 EL ar D Do co 21 E ol D 4 D D A d LJ Ea RN LJ R co Gro gt 5 EE UU Tub LJ OU m cn 1 ae 2 8 r 1 1 010114 EUNDI f el ER M Gr amp OSE GE Sr 7 970707 07070708 32 C31 1 UN 325 046 0013 SERIAL VILTER REV 1 NENNEN 4 00 1uF POSITION Closed left N 2 1 Open right Open right Open right ON POSITION 2 POSITION 2 ON ON ON ON 0000 1 000uF o o Q o Q Q Q 18 4423 Analog Input
11. High Dse Pressure Load Limit ls Dsch Press gt Cutin ON Dach Press gt Capacity Decrease until Sm res Dsch Press Setpt x Cutout OFF Suction Press Over ride Load Limit During Temperature Control s 9 Suction Press gt Suct Press Cap Decrease compressor capacity until Suction Press gt Suction Press Cap Decrease ON setpoint Sut liom Press Suct Press Normal Loading and Unloading Installation Recommendations Proper Wire Sizing Asaminimum always size wire gauges as specified by the National Electrical Code NEC for electronic con trol devices For improved noise immunity install one size larger wire gauge than the NEC requirement to assure ample current carrying capability Never undersize wire gauges Voltage Source Transformers block a large percentage of Electro Magnetic Interference EMI The Vilter Vission 20 20 should be isolated with its own control transformer for the most reliable operation PRIMARY GROUND CONTROL TRANSFORMER GROUNDED CIRCUIT BREAKER 4 NEUTRAL ORFUSE ISOLATED SECONDARY CIRCUIT 11 Voltage Source Connecting the Vilter Vission 20 20 to breaker panels and central control transformers exposes the Vission 20 20 to large amounts of electromagnetic interference EMI emitted from the other devices connected to the secondary terminals
12. If proper voltages are not found at these test points the power supply may be faulty 2 Vission 20 20 appears to be booted lights are lit on the boards but no touchscreen display is evident a Remove power COMPLETELY from the Vission 20 20 and restart the controller WARNING The inverter board creates a high rms voltage to drive the backlight it can exceed 1500VAC Use extreme caution and insure that voltage has been removed from the board before physical inspection Visually check cable connections located on the LCD inverter board This board is located inside the door on the LCD touch screen back plane next to the single board computer Physically inspect board to insure that all cable connectors are connected tightly to the board connectors If these are inserted correctly the problem could be a bad LCD inverter board or a com ponent failure 3 Vission 20 20 boots up but all data temperatures and pressures are zeroed and do not update a Check Analog board jumpers to insure proper node addresses are set up on all boards Physically inspect power and communication jumper cables to insure they are inserted properly and completely Two LEDs on all boards show the status of the communications for the board LED1 is on when a command is received at the board from the single board computer SBC and LED2 is on when a response is sent from the board to the SBC 65 Digital amp Analog DIGITAL OUT 1 ADDRESS 1 D
13. Level 3 Level 3 Level 3 Level 2 Level 2 Level 2 Level 2 Level 4 Level 2 Level 4 Level 4 Level 2 Level 4 Level 2 Level 2 Level 4 Level 4 Level 4 Level 4 Level 1 Level 1 Level 2 Level 2 Level 4 Level 2 Level 1 Level 4 Order number needs to be level 4 Separator velocity level 4 Database may have level 4 parameters that would transfer Need lock out function Safety Failure Message Suction Pressure SP T Fail This message will appear when the suction pressure falls below the safety setting of the Low Suction Pres sure Trip Setpoint No 1 In addition this message will appear when the suction pressure reading rises above 300 PSI indicating an open transducer or bad analog channel Suction Pressure SP 2 Fail This message will appear when the suction pressure falls below the safety setting of the Low Suction Pres sure Trip Setpoint No 2 In addition this message will appear when the suction pressure reading rises above 300 PSI indicating an open transducer Discharge Pressure SP 1 Fail This message will appear when the discharge pressure exceeds the safety setting of the Hi Dsch Press Trip Setpoint No 1 In addition this message will appear when the discharge pressure reading falls below 30 indicating a shorted transducer Discharge Pressure SP 2 Fail This message will appear when the discharge pressure exceeds the safety setting of the Hi Dsch Press Trip Setpoint No 2 In addition
14. Proportional Band Capacity Decrease Interval Time 4 0 sec Proportional Band 4 0 Psig Auto cycle Enable Start Pressure 28 0 Psig 38 0 Psig Start Delay 5 sec 5 sec Stop Pressure 16 0 Psig 26 0 Psig Stop Delay 5 sec 5 sec Min Slide Position 10 10 13 0 Suction Press Control Setpoint 20 0 Psig Suction Press 39 7 Psig emp Discharge Press Temp 165 1 Psig 125 6 F m mm Oil Press Diff 133 5 Psig Filter Diff 4 1 Psig Inj Temp 157 2 F Sep Temp 123 8 F No Scheduled Maintenance 03 02 2010 04 30 46 Languaqe Motor No Alarm Trips Present Run Hours Amperage 0 0 Amps This screen allows the operator to view and adjust settings that affect compressor capacity control COMPRESSOR CONTROL Pressure Temperature control setpoints e Auto cycle control points VFD control set points Pump down control setpoints Pull down control setpoints The Vision 20 20 comes preconfigured for the type of controls that are available The operator is able to choose the mode of control from the Compressor Control screen This selection will typically be found on the last page of the Compressor Control screens Typically the operator can choose from the following parameter list e Suction Pressure SP1 SP1 Setpoint 1 e Suction Pressure SP2 SP2 Setpoint 2 e Process Temperature SP1 Process Temperature SP2 Discharge Pressu
15. this message will appear when the discharge pressure reading falls below 30 indicating a shorted transducer Suction Temp Fail This message will appear when the suction temperature falls below the safety setting of the Low Suction Temperature Trip setpoint In addition this message will appear when the suction temperature rises above 400 degrees indicating an open RTD Discharge Temp Fail This message will appear when the discharge temperature rises above the safety setting of the High Dis charge Temperature Trip setpoint In addition this message will appear when the discharge temperature falls below 30 degrees indicating a shorted RTD Oil Separator Start Temp Fail This message will appear when the Oil Separator Temp is below the Low Oil Separator Start Temp Trip setpoint In addition this message will appear after the Oil Separator Temp Safety Changeover timer times out and the Oil Separator temperature fails to rise above the Low Oil Separator Start Temp Reset after the compressor is started Oil Separator Run Temp Fail This message will appear when the Oil Separator Temp is below the Low Oil Separator Run Temp Reset setpoint after the Oil Separator Temp Safety Changeover timer times out Percent Capacity Fail This message will appear if the percent capacity reading exceeds 300 or goes below 1526 Percent Volume Fail This message will appear if the percent volume reading exceeds 300 or goes below
16. 15 Low Control Temperature Fail This message will appear when the Process Control Temperature falls below the safety setting of the Lo Control Temperature Trip Setpoint In addition this message will appear when the Process Control Tem perature rises above 300 degrees F indicating an open RTD 63 Low Start Oil Pressure This message will appear with Prelub Pressure Manifold minus Discharge has remained below the Prelub Oil Pressure Reset setpoint The Prelub Oil Pressure must be above the Prelub Oil Pressure for a time period of the Minimum Compressor Prelub time It will continue to try to do this for time period of the Prelub Oil Pump Time Limit When the Prelub Oil Pressure fails to achieve this then the failure message will occur Low Oil Pressure Fail This message will appear when the Running Oil Pressure Manifold minusSuction has remained below the low Oil Pressure Reset setpoint when the Oil Pressure Bypass at Compressor Start timer times out This message will also appear when the Runnning Oil Pressure falls below the Low Oil Pressure trip setpoint after the Oil Pressure Bypass at Compressor Start timer times out Low Oil Injection Temp Fail This message will appear when the Oil Injection temperature falls below the Low Oil Injection Temperature trip setpoint This message will also appear when the Oil Injection temperature fails to rise above the Low Oil Injection Temperature reset setpoint
17. Buyer be in default of its payment obligations to Seller under this Agreement or any credit agreement Operational Flow Charts Requirements to Start Compressor Volume and Capacity slides are less than 5 Oil Sepatator Temp p gt Oil Sep Start Trip seipi Oil Pump Prelub Oil Press is gt Prelub Oil Press Reset Setpt for Min Compressor Prelub Timer setting typically 5 seconds Critical Compressor Run Logic Compressor Start A Ws tun Oil Press gt Prelub Press Reset sept Default 5 Run Press Failure Filter Diff Press Safety Changeover timer expires H 60 sec after start Oil Press Bypass at Comp Ye Start timer expires 60 sec after start Ts Filter Diff H Filter Ditt Press Run Trip Setpt for 5 seconds Yes Run Filter Diff Press Failure Compressor Amperage Load Limiting 5 bu Motor Amps gt FLA ON Selpi Motor Amps gt OFF Setpt Capacity Increase Disabled Capacity Decrease until Amps FLA x 1 0625 Normal Loading and Unloading Safety Changeover L Oil Sep Temp gt Lo Timer expires 5 min v Uil Sep Run Reset after start Filter Diff Press Start Filter Diff Trip Setpt Start Compressor Is Kun Oil Press 2 Run Press Reset setpt Lo Run Oil Sep Temp Failure
18. LED2 5 Digital Input Output 1 VILT ER 0000 SINCE 1557 0000 A RE12001 RE12001 S 9 0 p de Jb mi R13 fp oe RE V 1 SERIAL 325 046 0012 24V GND 58 0000 100uF 2 Open right Closed left Open right Open right RE12001 n o y I o c RE12001 N RE12001 2 e EZ I up EIEIE JO Digital Input Output 2 RE12001 PC814 0 1 C11 C12 24 LED3 es EEK Re 24 VDC R10 TK 415 VDC ULN2803 PIC16F876SP O Q Q Q LED1 0 0 LED REV 1 EBEN LED12 E SERIAL 325 046 0012 JP1 R3 T DIPSWITCH POSITION 4 Open right 3 Closed left 2 Open right 1 Closed left 2 0000 J1 ND OHO 1 00 QuF C4 IC12 a 2 71 Analog Input 1 cya OUTuB 21 Tis 12 J zu A JP JP u 12 PI18F4423 TX LED2 Closed left Closed left Open right B cog e ee o BS LJ a ar ar a zi ar gt 8 No E P C rE g c Lon C 2
19. Oil Pressure set points After the timer has expired the normal Low Oil Pressure set points become active High Filter Differential Pressure Safety Changeover This timer bypasses the High Filter Differential Run Pressure safety settings when the compressor starts It defines how long the High Filter Differential Start Pressure set points will be active after the compressor starts After the timer has expired then the High Filter Differential Run Pressure safety set points are active Low Separator Level Safety Changeover Timer This timer bypasses the low oil level switch momen tary drops in the oil level This timer activates when the low oil level switch opens and deactivates when the switch closes If the switch is still open after the timer has timed out the compressor will be shut down and trip message will be displayed This timer is available if the unit is equipped with a low oil separator float switch the oil level switch is standard on all liquid injection units and optional on all others Low Oil Separator Temperature Safety Changeover This timer allows Low Oil Separator Start Temperature safety set point to protect the compressor against cold oil during starting After the timer has expired the Low Oil Separator Run Temperature is then active Low Oil Injection Temperature Safety Changeover This timer bypasses the Low Oil Injection Temperature Safety set point during start up to allow any cold oil in the oil l
20. True Anti Recycle Timer 20 min Accumulative Anti Recycle Timer 20 min 13 0 96 Suction Press Control Setpoint 20 0 Psig 39 7 Psig 33 1 Discharge Press Temp 165 1 Psig 125 6 F Oil Press Diff 133 5 Psig Filter Diff 4 1 Psig Inj Temp 156 9 F Sep Temp 123 3 F Languaqe 03 02 2010 04 45 23 No Scheduled Maintenance Motor Run Hours 0 0 Amps No Alarm Trips Present True Anti Recycle Timer Once the compressor turns off this timer will keep the compressor off for the setting of the True Anti Recycle Timer This timer is used to prevent short cycling of the compressor Accumulative Anti Recycle Timer This timer also forces a specified time between compressor starts When the compressor starts the timer resets and starts timing and accumulates running time Once compressor shuts down it will not be allowed to restart for the remainder of time left on the Accumulative Anti Recycle Timer Unlike the True Anti Recycle Timer if the compressor has run for a time period that exceeds the set point of the Accumulative Anti Recycle Timer then when the compressor shuts down it will be allowed to restart immediately As an example e Accumulative Anti Recycle Timer setting 20 minutes e Assume the compressor starts and runs for 15 minutes then shuts down Thenextstart can occur in 20 minutes 15 minutes
21. based on the calibration settings made to the actuator 10 Gently lower the plastic cover to where it contacts the base and o ring seal After making sure that the cover is not binding gently tighten the four 10 Phillips screws CAUTION it is possible to crack the plastic cover by over tightening the screws Repeat the same procedure for the Volume slide motor 47 Shaft Rotation TABLE 1 VSS J VSR VSM COMMAND SHAFT ROTATION AND TRAVEL COMMAND SHAFT ROTATION NO OF TURNS ROTATION ANGLE SLIDE TRAVEL COMP CAPACITY VOLUME CAPACITY VOLUME MODEL INC DEC INC DEC TURNSJANGLEJTRAVEL TURNSJANGLEJTRAVEL VSR111 0 91 328 3 568 0 52 187 2 045 VSR 151 0 91 328 3 568 0 52 187 2 045 VSR 221 0 91 328 3 568 0 52 187 2 045 VSR 301 0 91 328 3 568 0 52 187 2 045 VSS 451 0 91 328 3 568 0 52 187 2 045 VSS 601 0 91 328 3 568 0 52 187 2 045 VSS 751 1 09 392 4 283 0 63 227 2 473 VSS 901 1 09 392 4 283 0 63 227 2 473 VSS 1051 1 22 439 4 777 0 74 266 2 889 VSS 1201 1 22 439 4 777 0 74 266 2 889 VSS 1501 1 36 490 5 325 0 82 295 3 200 VSS 1801 1 36 490 5 325 0 82 295 3 200 VSM 71 0 80 288 3 141 0 45 162 1 767 VSM 91 0 80 288 3 141 0 45 162 1 767 VSM 101 0 80 288 3 141 0 45 162 1 767 VSM 151 0 80 288 3 141 0 45 162 1 767 VSM 181 0 80
22. of runtime 5 minutes Thecompressor restart options Hot Starts or Anti Recycle Timers are selected from the Configuration menu One additional Anti Recycle Timer is selected from the Configuration menu which is the Modified Anti Recycle timer Modified Anti Recycle Timer This timer has no direct set point It is defined as a combination of the True Anti Recycle Timer and the Accumulative Anti Recycle Timer Normally when the Modified Anti Recycle Timer function is selected from the Configuration menu the timer functions as a True Anti Recycle timer and uses the set point of the True Anti Recycle timer However if the operator presses the stop button or if a failure occurs then the Modified Anti Recycle Timer function switches to activate the Accumulative Anti Recycle Timer As the definition of the Accumulative Anti Recycle Timer states now the compressor will be allowed to restart when the present accumulated runtime and the present accumulated off time meets or exceeds the setting of the Accumulative Anti Recycle Timer 43 Service Options Suction Pressure 1 Stopped 7 0 Psig Capacity Slide Digital Outputs Status Volume Slide Compressor Start OFF 0 Capacity Increase Motor OFF Capacity Decrease Motor OFF Suction Press Control Setpoint 20 0 Psig volume Increase Motor OFF Suction volume Decrease Motor OFF Press 27 0 Psig emp 93 8 Oil Separator Heater OFF Discharge Alarm
23. position The hold button stops the data from advancing on the display but doesn t stop the background trending The vertical axis scaling and offset for each variable plotted is based on its range of values over the entire display buffer sample This helps to magnify small changes in a variable and to keep one plot trace from falling on top of another but it can be misleading Look at the range of the vertical axis for a variable and try to visualize how far off screen the zero point would be 53 Event List Screen Suction Pressure 1 Stopped 6 9 Psig A ue nme Event ype Capacity Slid L m E 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 03 02 2010 05 29 25 PM 05 29 09 PM 05 29 08 PM 05 27 18 PM 05 25 48 PM 05 24 27 PM 05 24 20 PM 05 22 49 PM 05 21 27 PM 05 19 43 PM 05 18 19 PM 05 14 54 PM 05 13 17 PM 05 12 29 PM 05 11 50 PM 05 11 05 PM 05 09 26 PM Inhibit System Start Start System System System System System System System System False Start False Start Power Up Auto Power Up High Oil Injection Temp Inhibit Power Up Auto Auto Power Up Power Up Power Up Power Up Power Up Power Up Power Up Power Up Volume Slide p Suction Press Control Suction Discharge Update Menu 03 02 2010 05 30 01 Run Hours 0
24. to de humidify the rooms as the temperature in the rooms are pulled down The pull down feature provides a method to slowly pull the suction pressure down to operating conditions The pull down method used is to step the suction pressure down over a defined time interval When the time interval expires another step is taken Example Assume the suction pressure is at 80 psig and the set point we want to getto is 20 psig This defines a change of 60 psig We wantto allow 48 hours of pull down time Pick a reasonable step pressure of 5 psig for every step Number of steps A 60 psig change 1 step 5 psig 12 steps Delay per step 48 hours 12 steps 4 hours step For the first 4 hours the compressor runs at 75 psig next 4 hours 70 psig next 4 hours 65 psig and so forth After the 12th step running at 25 psig 48 hours will have elapsed and the new setpoint be comes 20 psig achieving the 20 psig setpoint after 48 hours After the pull down setpoint equals or is less than the control setpoint the pull down feature disables itself Enable Enables Pulldown control Uncheck the box to disable the Pull down setpoints Step Pressure This setpoint defines the step increments which the suction pressure will be controlled at Delay Per Step Defines the time increment at which the compressor will be controlled for each step 33 Additional Control Setpoints Suction Pressure 1 Stopped 19 8 Psig
25. 288 3 141 0 45 162 1 767 VSM 201 0 80 288 3 141 0 45 162 1 767 VSM 301 0 80 288 3 141 0 45 162 1 767 VSM 361 0 80 288 3 141 0 45 162 1 767 VSM 401 0 80 288 3 141 0 45 162 1 767 VSM 501 0 91 328 3 568 0 52 187 2 045 VSM 601 0 91 328 3 568 0 52 187 2 045 VSM 701 0 91 328 3 568 0 52 187 2 045 NOTES The manual operating shaft the gear motor should be turned the opposite direction of the desired command shaft rotation The capacity and volume control motors are equipped with a brake if it is necessary to operate the control motors manually the brake must be disengaged The brake can be disengaged by pushing on the motor shaft on the cone end The shaft should be centered in its travel Do not use excessive force manually operating the motor or damage may result 48 Slide Valve Operation The slide valve actuator is a gear motor with a posi tion sensor The motor is powered in the forward and reverse directions from the main computer in the control panel The position sensor tells the main computer the position of the slide valve The main computer uses the position and process information to decide where to move the slide valve next The position sensors works by optically counting motor turns On the shaft of the motor is a small aluminum photochopper It has 180 degree fence that passes through the slots of two slotted optoco
26. 4 ub A War amp ego zu ws C21 g DU TuFg 010114 001 uF 325 046 00 67 en 2 4 A RF m Mi al B EUNDI aru FU 4 LU TuF n 4 t C VISE 3 FE j ALS f SERIAL W 1 NENNEN SWITCH POSITION Closed left Open right Open right Closed left E pp amp u LJ J OSE ca B T m OU m J UN mi y Gk Gr Gr ey ter J m a a do s a zu RR ae Ga gt 8c TG lg ls 112112112 112118 Ku ll li Y v 17 k P 1 J SINCE 1557 UMPER POSITION POSITION 2 POSITION 2 ON ON ON ON 19 Analog Output 00000000 LL E 3 AT Gi Co 5 E t pM r r z a z com 3 lt C PE PE PE pnm PE r z z 1 ra TET gl lel EG s lz b m im im J im m J p J m H x P LE ot m m r m _ m
27. Control Panel VISSION 20 20 lt NS EMERSON Climate Technologies Important Note DANGER Read and understand operator s manual before using servicing this machine Failure to follow operating instructions could result in serious injury Electrocution or burn Follow lockout tag out procedures before working inside this equipment Before applying power to the control panel all wiring to the panel should be per NEC Specifically check for proper voltage and that the neutral is grounded at the source An equipment ground should also be run to the panel See Wiring Instructions and Diagrams before proceeding Before start up you need to enter all system values and options See section on Setpoint Values Table of Contents Inpede 3 Standard Vilter Warranty 7 Operational Flow CANES Les 9 Installation Recommendations 11 BOSE Pi ici deg 16 Vission 20 20 NTE rn 17 Digital L L lu Ce Sua 18 Ai log IMPULS u u 21 Analog u uu N E 23 Touch Screen LCD Display 24 Menu SCEE rs 26 Compressor Control Screen 28 Pump Down and Pull Down Setpoint
28. IGITAL OUT 2 ADDRESS 2 DIGITAL IN ADDRESS 3 DIGITAL I O 1 ADDRESS 4 DIGITAL 2 ADDRESS 5 ANALOG IN 1 ADDRESS 6 ANALOG IN 2 ADDRESS 7 ANALOG IN 3 ADDRESS 8 ANALOG IN 4 ADDRESS 9 The illustration above shows the position and type of the digital and analog input output boards It is im portant to install the boards as shown in this illustration and configure them as show in the following illustrations DIPSWITCHES Each board has a dipswitch which sets its communications address so that it can communicate with the CPU board The dipswitch settings must be correct or the will not function JUMPERS Jumpers are required on the analog boards to configure them for the type of sensors used The jumper table for the analog board shows the optional jumper configurations for sensors other than the default Vilter standard Ifa different sensor is to be used the jumpers on the analog board need to be changed In addition the configuration for this sensor must be changed in the Instrument Calibration screen The following illustrations show the Vilter default configurations for the Vission 20 20 66 5101508 RE12001 RE12001 RE12001 4 7 Co RE12001 Digital Output 1 24V GND LED3 R12 R11 e e je G24 voc no R Ga TE N1000uF 10 J1 552 RE12001 RE12001 ULN2803 00000000000000 o o Q o Q o Q o
29. SE OUTPUT This output is only active when the compressor is running When the Vission 20 20 determines that the compressor should increase capacity by moving the slide valve to a higher percent age this output is energized Once the slide valve reaches 100 this output will not energize CAPACITY DECREASE OUTPUT This output is only active when the compressor is running When the Vission 20 20 determines that the compressor should decrease capacity by moving the slide valve to lower percent age this output is energized Once the slide valve reaches 0 this output will not energize VOLUME INCREASE OUTPUT This output is only active when the compressor is running When the Vission 20 20 determines that the compressor should increase VI by moving the volume slide to higher percentage this out put is energized Once the volume slide reaches 100 this output will not energize VOLUME DECREASE OUTPUT This output is only active when the compressor is running When the Vission 20 20 determines that the compressor should decrease VI by moving the volume slide to a lower percentage this output is energized Once the volume slide reaches 0 this output will not energize OIL SUMP HEATER OUTPUT This output is active and energized when the oil separator temperature is lower than the oil separator temperature setpoint It is de energized when the oil separator temperature is higher than the oil separator temperature setpoint ALARM OUTPU
30. T If the compressor has liquid injection oil cooling this output is active When the compressor is running and the discharge temperature is above the liquid injection temperature control set point 5 degrees and the oil separator temperature is above the override setpoint then the output is energized The output is de energized when the discharge temperature falls below the on setpoint minus the solenoid differ ential LIQUID INJECTION 2 OUTPUT Not Defined REMOTE ENABLED OUTPUT This output is energized when the Vission 20 20 panel is enabled for remote con trol The compressor can be running or stopped but is available to the remote system If the compressor has an alarm or is placed into the manual stop position this output is de energized 19 VRS OIL SOLENOID OUTPUT Used in VRS retrofit applications where an oil solenoid is installed the COMP MOTOR STARTER AUXILIARY CONTACT This input looks for a feedback signal from the compressor starter confirming that the compressor starter is energized HIGH LEVEL SHUTDOWN INPUT This input must be energized in order for the compressor to operate If de ener gized the compressor will shut down and issue a high level trip OIL LEVEL FLOAT SWITCH 1 INPUT Used for Cool Compression OIL LEVEL FLOAT SWITCH 2 INPUT Used for Cool Compression LOCAL REMOTE SELECT INPUT This input enables disables remote I O control Energizing this input enables the Re
31. T This output is energized when the system has no alarms If an alarm is issued the output de energizes and stays de energized until the alarm condition is cleared SLIDE VALVE SETPOINT 1 OUTPUT ECONOMIZER Normally used an economizer solenoid but could be used for other devices When the compressor slide valve percentage is equal to or greater than slide valve set point 1 the output is energized When the compressor slide valve percentage is less than slide valve set point 1 the output is de energized SLIDE VALVE SETPOINT 2 OUTPUT HOT GAS Normally used for a hot gas solenoid but could be used for other devices When the compressor slide valve percentage is equal to or greater than slide valve set point 2 the output is energized When the compressor slide valve percentage is less than slide valve set point 2 the output is de energized SLIDE VALVE SETPOINT 3 OUTPUT When the compressor slide valve percentage is equal to or greater than slide valve set point 43 the output is energized When the compressor slide valve percentage is less than slide valve set point 43 the output is de energized SLIDE VALVE SETPOINT 4 OUTPUT When the compressor slide valve percentage is equal to or greater than slide valve set point 4 the output is energized When the compressor slide valve percentage is less than slide valve set point 4 the output is de energized LIQUID INJECTION 1 OUTPU
32. Time Pumps h Oil Cooling Thermosyphon H20 Oil Cooler gt Liquid Injection e Solenoids Motorized Valve Superheat 1 1 F T SAT vs Oil Sep Temp T SAT vs Oil Sep Temp Delay 1 sec T SAT vs Disch Temp T SAT vs Disch Temp Delay 1 sec E 56 Apply Optional Function Selection Separator Velocity Factor 1 2 Slide Volume Position Factor 2 Factor 3 Economizer Pressure _ Chiller Inlet Temperature _ Motor Winding Temperature 1 2 3 SAA BEN Analog Auxilliaries Input 1 Name Analog Aux 1 Run Never More Input 2 Analog Aux 2 Run Never x More Input 3 Input 6 Analog Aux 3 Name Analog Aux 6 Run Never More Run Never Input 4 Analog Aux 4 Run Never More Input 7 Analog Aux 7 Run Never M More Input 5 Analog Aux 5 Run Never More DE Digital Auxilliaries Auxiliary 1 Auxiliary 4 7 Digital Aux 1 Name Digital 4 Digita Aux 7 Type Alarm ly Type Alarm ly Type Alarm State 9 N O ONE State e N O ONE State 9 N O ONE Auxiliary 2 Auxiliary 5 Auxilliary 8 Digital Aux 2 Name Digital Aux 5 Name Digita Aux 8 Type Alar
33. after the Low Oil Injection Temp Bypass timer times out High Oil Injection Temp Fail This message will appear when the Oil Injection temperature rises above the High Oil Injection Temperature trip setpoint Manifold Pressure Fail This message will appear with the manifold pressure rises above 300 PSI or falls below 30 Hg Filter Inlet Pressure Fail This message will appear with the manifold pressure rises above 300 PSI or falls below 30 Hg Start Filter Diff Press Fail This message will appear if the Filter Differential pressure rises above the High Fltr Diff Press Start setpoint before the Filter Differential Pressure Safety Changeover timer times out Run Filter Diff Press Fail This message will appear if the Filter Differential pressure rises above the High Fltr Diff Press Run setpoint after the Filter Differential Pressure Safety Changeover timer times out Maximum Amperage Fail This message will appear if the motor amperage rises above the Hi Motor Amps trip setpoint Motor Starter Aux Contact Fail This message will appear if the Motor Auxiliary contact fails to close before the Compressor Starter Auxiliary Contact Bypass timer times out Refer to wiring diagram Auxiliary Safety 1 Input Fail This message will appear when power is removed from the input module that is designated as Auxiliary 1 Safety please refer to your wiring diagram Low Oil Separator Level Fail This message may app
34. ctive if the filter differential Filter Inlet Pressure minus Filter Outlet Pressure exceeds by the set point value High Filter Differential Pressure Run This safety set point is active when the compressor has started and the Filter Diff Pressure Safety Changeover timer has timed out An alarm or trip will be active if the filter differential Filter Inlet Pressure minus Filter Outlet Pressure exceeds by the set point value High Motor Amps This safety set point is active after the Volume Decrease At Start Timer expires this timer is not settable by the operator Atrip will occur if the motor amperage exceeds the safety set point value For a motor with a 1 15 Service Factor the trip set point should be set at 125 of the motor full load amperage value The alarm set point should be set at 12025 of the motor full load amperage value Timers Suction Pressure 1 Stopped 19 6 A Slide value Capacity Increase Start Delay Minimum Comp Prelube Time Volume Slide 13 0 Low Oil Pressure Safety High Filter Diff Press Safety Changeover Suction Press Control Low Oil Sep Level Safety Changeover Setpoint 20 0 Psig Suction Press 39 7 Psig emp 33 3 F Low Oil Sep Temp Safety Changeover Low Oil Injection Safety Changeover Discharge Press Temp 5 3 8 8 High Motor Amps Safety Changeover 15 sec 165 2 Psig 125 9 F Oil P
35. ds just above the Stop Load set point Low Suction Pressure Unloading This control feature is active Discharge Pressure or Process Temperature Capacity Control mode This control feature will limit the compressor from loading when the compressor SUG tion pressure reaches these load limiting conditions When the set points are set properly this control feature will prevent the compressor from experiencing excessive low suction pressure that could result in a low suction pressure failure The low suction pressure unloading set points over ride the Discharge Pressure or Process Temperature Capacity Control Setpoints Stop Load prevents the compressor from loading when the set point is reached Set this set point below normal suction operating conditions Force Unload forces an unload condition when this set point is reached This set point should be set below the Stop Load set point This set point will cause the compressor to unload until the suction pressure lands just above the Stop Load set point Oil Separator Heater Temperature These control limits determines when the oil separator heater is turned on and off A decrease in oil separator temperature below he ON set point turns on the oil separator heater On an increase in oil separator temperature above the OFF set point turns off the oil heater Liquid Injection Solenoid Control Temp These set points determine when the Liquid Injection Solenoid is turned on and
36. ear when power is removed from the input module that is designated as Lo Separa tor Oil Level Trip please refer to your wiring diagram This safety has an associated delay The associated delay timer is the Lo Oil Separator Level Bypass Timer This safety will activate only after the oil level has been low after the timer times out 64 Vission 20 20 Troubleshooting Guide Before applying power to the Vission 20 20 control panel all wiring to the panel should be per the National Electrical Code NEC Specifically check for proper voltage and that the neutralis grounded at the source equipment ground should also be run to the panel In the event of problem with the Vilter Vission 20 20 the help screen along with your electrical drawings will help determine the cause PROBLEM and POSSIBLE SOLUTION 1 Vission 20 20 does not boot up no lights light on any boards a Check to make sure 120VAC is run to circuit breaker CB1 located on the terminal strip The neutral should be brought to any N terminal on the terminal strip b Check to insure circuit breaker CB1 s switch is flipped in the ON direction C Use voltmeter to insure 1 20VAC is being applied to the power supply located on the door Check that 120 volts is present at the F1 fuse on the power supply located on the front of the door If all of the above are OK the power supply may be bad To test the power supply check DC voltages at the power supply output
37. ess Temp 165 2 Psig 125 6 Oil Press Diff 146 5 Psig Filter Diff 3 9 Psig Inj Temp 156 9 F Sep Temp 123 6 F No Scheduled Maintenance 03 02 2010 05 17 44 Motor No Alarm Trips Present Run Hours 0 Amperage 0 0 Amps Maintenance Language Vilter Slide Valve Actuator Calibration Procedure for Optical Style Motors Assuming that the ACTUATOR motors have not been calibrated the transmitter output of the ACTUATOR motor will fluctuate wildly until they are calibrated To prevent damage to ACTUATOR motors do not connect the Power Cable Yellow TURCK cable or the Position Transmitter Cable Gray TURCK cable until instructed to do so in this procedure 1 Open the plastic cover of the capacity motor by removing the four 410 Pan Head Phillips screws Gently lift the cover and tilt it toward the TURCK connectors Raise the cover enough to be able to press the blue calibrate button and to be able to see the red LED on the top of the assembly CAUTION Handling the cover too aggressively may break the four wires attaching the cover mounted connector to the circuit board 2 Remove actuator motor cover s 3 Log In on the Vission 20 20 4 From the main screen select the Menu button 5 On the menu screen select the Slide Calibration button 46 When the Slide Valve Calibration screen appears then you can safely connect the Power Cable Yellow TURCK cable and the Position Trans m
38. et point 41 Economizer Slide Valve Set point 42 Hot Gas Slide Valve Set point 3 Slide Valve Set point 44 Liquid Injection 1 Liquid Injection 2 Remote Enabled VRS Oil solenoid for old retrofit applications Comp Motor Starter Auxiliary Contact High Level Shutdown Oil Level Float Switch 1 Oil Level Float Switch 2 Remot Setpoint 1 2 Selection Remote Start Stop Remote Capacity Increase Remote Capacity Decrease Condenser Step 1 Condenser Step 2 Condenser Step 3 Condenser Step 4 Auxiliary Input 1 Auxiliary Input 2 Auxiliary Input 3 Auxiliary Input 4 Auxiliary Output 1 Auxiliary Output 2 Auxiliary Output 3 Auxiliary Output 4 Auxiliary Input 5 Auxiliary Input 46 Auxiliary Input 7 Auxiliary Input 48 OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT INPUT INPUT INPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT INPUT INPUT INPUT INPUT COMPRESSOR START OUTPUT When the Vission 20 20 signals the compressor to start this output is energized When the Vission 20 20 signals the compressor to stop this output is de energized OIL PUMP START OUTPUT When the Vission 20 20 signals the oil pump to start this output is energized When the Vission 20 20 signals the oil pump to stop this output is de energized 18 CAPACITY INCREA
39. grating the error over time to account for a small error that has persisted for a long time This quantity is used forfine adjustment Use and initial setting of 4 00 min This set point is used to smooth out process variations This set point should be set high enough to prevent hunting but not too high or it will cause control system overshoot D Derivative rate set point Used to adjust the capacity control action accounting for how fast the error is changing positively or negatively A standard PID loop variable it is not used for our applications Use an initial setting of 0 00 min Always OTHER SETPOINTS THAT MIGHT BE REQUIRED FOR MOTOR PID CONTROL Max Change Rate The VFD motor PID output is limited by this parameter to prevent large instantaneous changes to the motor speed Dead band used to establish range on either side of the set point in which no capacity control action will occur Initial Setpoint 2 5 Min Spd Point used to prevent the compressor from running too slowly which can adversely affect hydro dynamic sealing heat transfer and lubrication Initial Setpoint 50 Setpoint Ramping Rate used to control how fast the compressor responds to the required capacity control action Initial Setpoint 20 Unit min Unloading Rate used to control how fast the unloading action occurs due to a safety override Initial Set point 20 min 31 Pump Down and Pull Down Setpoints Suction Pressure 1 Stopped
40. he motor shaft 7 Quickly press and release the BLUE CALIBRATION BUTTON on the ACTUATOR motor once The red LED will now flash at a slower rate This now instructs the ACTUATOR motor that this point is the minimum slide position This point will correspond to 0 volts AFTER the ACTUATOR calibration procedure is completed 8 Use the button on the microprocessor to drive the capacity slide to its maximum mechanical stop position This will be apparent by slowing of the motor rotation and winding sound from the actuator motor When you hear the motor wind up release the button CAUTION DO NOT CONTINUE TO ENERGIZE THE ACTUATOR MOTOR AFTER THE SLIDE HAS REACHED THE ME CHANICAL STOP Doing so may cause mechanical damage to the motor or shear the motor shaft key When the slide has reached the mechanical stop position press the button in the center of the photo chopper to release the brake and thereby release the tension on the actuator motor Then use the button to pulse the motor so that the capacity slide is just off of its maximum position and there is no tension on the motor shaft 9 Quickly press and release the BLUE CALIBRATION BUTTON on the ACTUATOR motor once The red LED will stop flashing This now instructs the ACTUATOR motor that this point is the maximum slide position This point cor responds to 5 volts The ACTUATOR calibration procedure is completed Now the Capacity Channel is automatically calibrated
41. he top of an enclosure use a water tight conduit fit ting to keep water from entering the enclosure The Vission 20 20 is supplied with pre punched conduit holes Use them DON T 16 Don t run wires through the Vission 20 20 enclosure that are not related to the com pressor control Don t add relays timers transformers etc in the Vission 20 20 enclosure without first checking with Vilter Don t run conduit into the top of an enclosure Don t run refrigerant tubing inside the enclosure Don t drill metal enclosures without taking proper precautions to protect circuit boards from damage Vission 20 20 Architecture The Vission 20 20 control panel utilizes X 86 PC technology with a Linux Operating system The Vission 20 20 has the following attributes Low power Industrial rated X 86 CPU 15 XGA high resolution LCD display Outdoor viewable LCD optional 8 wire touch screen operator interface Flexible and expandable 1 0 NEMA 4 enclosure NEMA 4X optional Industrial temperature range design Touch Screen LCD DISPLAY ETHERNET RS 485 USB 1 17 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 CON DU Digital Input Output DESCRIPTION Compressor Start Oil Pump Start Capacity Increase Capacity Decrease Volume Increase Volume Decrease Oil Sump Heater Alarm Slide Valve S
42. ines and filter to pass After the timer expires the Low Oil Injection Temperature safety is active Max Restart After Power Failure This timer forces the compressor to wait for the set time period after power failure before it can be started automatically By staggering the time settings of this timer between other compressor panels the compressors can be allowed to start automatically one at a time after a power failure This will prevent excessive load demand on the power system that could occur if all of the compressor equipment were to start at the same time The Power up Auto Re Start x Enable option must be selected on the Timer screen for this option to be active Hot Starts Hr Counter This counter counts compressor starts After every start a one hour timer is reset and starts timing If the timer times out the hot starts counter is reset When the counter reaches its preset value it will not allow another compressor start until the one hour timer times out and resets the counter The hot starts counter therefore will be reset when the time between compressor starts total one hour This counter allows repetitive compressor starts but once the counter has reached its set point it requires a one hour window between compressor starts in order for the counter to be reset Timers Suction Pressure 1 Stopped 19 7 Psig Capacity Slide Value Max Restart After Power Failure 5 min Hot Starts per Hour 3 Volume Slide
43. ion pressure set point Suction pressure andtemperature e Discharge pressure and temperature Oil pressure difference Oil filter pressure difference Olilinjection temperature e Oil separator temperature e Motor amperage e Process temperature e Oil heater status Real time compressor and package operating conditions e Maintenance messages Alarm and Trip Status e Data Backup 25 Suction Pressure 1 Stopped 19 7 Psig A Capacity Slide Volume Slide ____ __ eee TTET Compressor Sequencing suction Condenser Control Discharge 03 02 2010 04 28 00 Run Hours 0 COMPRESSOR CONTROL Navigates to the compressor control screen where the operator set the variouscom pressor control parameters ALARMS AND TRIPS Navigates to the alarms and trips screen where the operator can set the various alarm and trip parameters TIMERS Navigates to the timer screen where the operator can set the various time related parameters COMPRESSOR SCHEDULING Navigates to the compressor scheduling screen where the operator can set the control set point schedule For Future Software Releases COMPRESSOR SEQUENCING Navigates to the compressor sequencing screen where the operator can set up pressor to compressor sequencing For Future Software Releases CONDENSER CONTROL Navigates to the condenser control screen where the operator can set local condenser contr
44. is is the running oil pressure safety The normal alarm and trip set points of this safety are massaged as soon as the compressor starts The Pre lube Oil Pressure Alarm and Trip set points are jammed into this safety set points for a time of the Oil Pressure Bypass timer typically 60 seconds After this timer expires then the set points return back to the normal settings The action of massaging the set points for about a minute allows the Run Oil Pressure to build up to normal running pressures after the compressor starts After Oil Pressure Bypass Timer has expired the Oil Pressure must be above the normal set points or else an Alarm or Trip will occur An alarm or trip will be active if the oil pressure should drop below the normal set point values after the Oil Pressure Bypass timer has expired This time limit is set on the Timer menu screen Run oil pressure is defined as manifold pressure minus suction pressure High Filter Differential Pressure Start This safety allows higher than normal filter differential pressure to exist during the first minute after a compressor starts This allows time for cold oil that is present in the oil pip ing and filters to be passed and replaced with warmer oil After time delay setting of the Filter Diff Pressure Safety Changeover timer then this safety is deactivated and the High Filter Differential Pressure Run alarm and safety set points become active alarm or trip will be a
45. itter Cable Gray TURCK cable to the Capacity motor Press or to move the slide valves to check the rotation See Table 1 below for proper shaft rotation If for any reason the command on the panel does not correspond to the slide increase or decrease swap the blue amp brown wires of the Yellow TURCK cable in the control panel to reverse the rotation of the motor Remove Cover Press Down On Photochopper 6 Quickly press and release BLUE CALIBRATION BUTTON on the TUATOR motor once This instructs the ACTUATOR motor to enter the calibration mode The red LED on the actuator control board will begin flashing Use the button on the microprocessor panel to drive the capacity slide to its minimum mechanical stop position This will be apparent by a slowing of the motor rotation and a winding sound from the actuator motor When you hear the motor wind up release the button CAUTION DO NOT CONTINUE TO ENERGIZE THE ACTUATOR MOTOR AFTER THE SLIDE HAS REACHED THE MECHANICALSTOP Doing so may cause mechanical damage to the motor or shear the motor shaft key When the slide has reached the mechanical stop position press the button in the center of the photo chopper to release the brake and thereby release the tension on the actuator motor Then use the button to pulse the motor so that the capacity slide is just off of its minimum position and there is no tension on t
46. l to or above the ON set point then the solenoid is turned ON Hot Gas Bypass Solenoid These setpoints determine when the hot gas solenoid is turned on and off When the compressor capacity is equal to or below the ON set point then the solenoid is turned ON When the per centage of compressor capacity is equal to or above the OFF set point then the solenoid is turned OFF 35 36 Current Transformer Ratio The value entered must agree with the Current Transformer Ratio label the current transformer being used The current transformer is mounted in the compressor motor conduit box The ratio is stated in terms of Primary amps Secondary amps The secondary value is always 5 amps The primary number for the current transformer is selected based on the size of the motor being used The primary number is the value that is entered for this set point For example if the current transformer ratio label reads 250 5 enter 250 Low Suction Pressure Load Limit Active in Discharge Pressure Capacity Control mode only These setpoints limit the compressor from loading at low suction pressure conditions They over ride the discharge pressure capacity control setpoints When the suction pressure is at or below the STOP LOAD setpoint then the com pressor will not be allowed to load any further If the suction pressure continues to fall and is at or below the UNLOAD setpoint then the capacity of the compressor will decrease until the suctio
47. lectro magnetic interference EMI such as a contactor is in the vicinity of the actuator or grey cable There is an intermittent failure of the position sensor The motor brake is not working properly see theory section above Solution Clean the optocoupler slots with Q Tip and rubbing al cohol Adjust the photochopper so that the fence extends further into the optocoupler slots Make sure the motor brake operates freely and the pho tochopper will not contact the optocouplers when the shaft is pressed down Tapethe end of the white wire in the panel and make sure that it cannot touch metal Clean the boards with an elec tronics cleaner or compressed air Try to free the stuck button Replace the actuator Depress the button quickly and then let go Each 34 sec ond the button is held down counts as another press Tapethe end of the white wire in the panel and make sure that it cannot touch metal Increase the distance between the EMI source and the actua tor Install additional metal shield ing material between the EMI source and the actuator or cable Replace the actuator Get the motor brake to where it operates freely and recali brate The actuator does not trans mit the correct position after a power loss There is a rapid clicking noise when the motor is operating tion only The motor will not move in either because the motor is overheated direction A
48. m v Type Alarm v Type Alarm State 9 N O State 9 State 9 N O ONE Auxiliary 3 Auxiliary 6 Aux 3 Digital Aux 6 Type Alarm Alarm v State gt C NG State gt N O ONCE E I O Configuration Digital Output 1 Analog Input 1 Digital Output 2 Analog Input 2 Digital Input 1 L Analog Input 3 OPEN O o EES v t OPEN 0 Digital Input Output 1 Analog Input 4 OPEN 109010 2 L Digital Input Output 2 JJ Analog Output OPEN eo mim 2 58 Maintenance Screen Suction Pressure 1 Checklist 01 08 2010 01 46 08 Run Hours 0 Log on and check off each item as completed at the listed service interval Capacity Slide Volume Slide Suction Press Control Discharge 39 Log In Screen Suction Pressure 1 Stopped 6 9 Psig A Slide 0 0 Login Volume Slide 0 0 Manaqe Accounts Suction Press Control Delete Suction Discharge 03 02 2010 05 49 04 Run Hours 0 This menu allows the operator to assign user accounts The 20 20 will be shipped with a Level 3 operator and password pre assigned to the installing contractor He can then assign all lower level securities as needed The procedure to assign access levels is to first press the logon but
49. mory When power is restored the saved motor position is read from EEPROM memory and the actuators resumes normal function This scheme is not foolproof If the motor is moved manually while the power is off or the motor brake has failed allowing the motor to free wheel for too long after the position sensor looses power the actuator will become lost A brake failure can sometimes be detected by the position sensor If the motor never stops turning after a power loss the position sensor detects this knows it will be lost and goes immediately into calibrate mode when power is restored 49 The actuator cannot cali brated The actuator goes into cali bration mode spontaneously The actuator goes into calibra tion mode every time power 5 restored after a power loss 50 Slide Valve Trouble Shooting Guide Reason Dirt or debris is blocking one or both optocoupler slots The photochopper fence extends less than about half way into the optocoupler slots The white calibrate wire the grey Turck cable is grounded Dirt and or condensation on the position sensor boards are causing it to malfunction The calibrate button is stuck down The position sensor has failed Push button is being held down for more that 34 second when going through the calibration proce dure The white calibrate wire the grey Turck cable is grounding intermit tently very strong source of e
50. mote Capacity Increase and Remote Capacity Decrease inputs REMOTE START STOP INPUT If the compressor is enabled for remote I O control this input is enabled Energiz ing this input will issue a start for the compressor as long as it is available to run De energizing this input stops the compressor REMOTE CAPACITY INCREASE INPUT If the compressor is enabled for remote I O control this input is enabled Operational only when the compressor is running Energizing this input will increase the slide valve position The slide valve will continuously increase as long as this input is energized The slide valve will not increase when this input is de energized NOTE The scan interval on the remote increase and decrease modules is approximately ONE SECOND Please take that into account when developing a control scheme using the remote increase and remote decrease modules for compressor control REMOTE CAPACITY DECREASE INPUT If the compressor is enabled for remote I O control this input is enabled Operational only when the compressor is running Energizing this input will decrease the slide valve position The slide valve will continuously decrease as long as this input is energized The slide valve will not decrease when this input is de energized CONDENSER STEP 1 OUTPUT This output is enabled when condenser control option is selected A condenser fan or pump will be turned on or off by this output CONDENSER STEP 2 OUTPUT This out
51. n pressure rises to point that is between the UNLOAD and the STOP LOAD setpoint Alarms and Trips Screen Suction Pressure 1 Stopped Alarm Trip m Hg m Hg 2 0 Hg 2 0 Hg 210 0 Psig 220 0 Psig 220 0 Psig 230 0 Psig 100 0 F None 120 0 F 50 0 F 55 0 F F FEE F 19 7 A Low Suction Pressure Setpoint No 1 Setpoint No 2 High Discharge Pressure Setpoint No 1 Setpoint No 2 High Process Temperature Setpoint No 1 Setpoint No 2 Low Process Temperature Setpoint No 1 Setpoint No 2 Page Maintenance No Alarm Trips Present Run Hours No Scheduled Maintenance 03 02 2010 04 42 21 Capacity Slide Volume Slide 13 0 Suction Press Control Setpoint 20 0 Psig Suction Press emp 39 7 Psig SQ F Discharge Press Temp 165 2 Psig 125 9 Oil Press Diff 133 5 Psig Filter Diff 4 1 Psig Inj Temp 156 9 F Sep Temp 123 6 F Motor Amperage 0 0 Amps This screen allows the operator to view and adjust settings for compressor safety and alarm settings Alarms and Trips defined are e Low Suction Pressure set points e High Discharge Pressure set points e High Process Temperature set points low Process Temperature set points e Low Suction Temperature set points e High Discharge Temperature set points Low Oil Separator Start Tempera
52. nsducer range and calibration is set in the calibration screen VRS OIL INJECTION PRESSURE Default signal is 4 20 VRS oilinjection pressure transducer range and calibra tion is set in the calibration screen SLIDE VALVE POSITION Reads the 0 5 volt signal back from the slide position motor actuator to indicate cur rent slide valve position VOLUME POSITION Reads the 0 5 volt signal back from the slide volume motor actuator to indicate current volume position SUCTION TEMPERATURE Default signal is RTD Suction temperature calibration is set in the calibration screen DISCHARGE TEMPERATURE Default signal is RTD Discharge temperature calibration is set in the calibration screen OIL SEPARATOR TEMPERATURE Default signal is RTD Oil separator temperature calibration is set in the calibra tion screen OIL MANIFOLD TEMPERATURE Default signal is RTD Oil manifold temperature calibration is set in the calibra tion screen PROCESS TEMPERATURE Default signal is Process temperature calibration is set in the calibration screen LEVEL PROBE COOL COMPRESSION Default signal is 4 20mA Measures separator level Level probe calibration is set in the calibration screen CONDENSER PRESSURE Default signal is 4 20Ma Condenser pressure transducer range and calibration is set in the calibration screen REMOTE CAPHOLD Default signal is 4 20Ma Active in Direct I O mode Adjusts the capacity of the comp
53. nt is reached For a 1 15 SF motor this value is the FLA value stamped onto the motor nameplate Force Unload forces an unload condition when this set point is reached For a 1 15 SF motor this value is FLA value from motor nameplate x 1 15 The unload pulse is released when the motor amps lands just above the FLA setting High Discharge Pressure Unloading This control feature is active in Suction Pressure or Process Tempera ture Capacity Control mode This control feature will limit the compressor from loading when the compressor discharge pressure reaches these load limiting conditions When the set points are set properly this control feature will prevent the compressor from experiencing excessive high discharge pressure that could result in a high discharge pressure failure The high discharge pressure unloading set points over ride the Suction Pres sure or Process Temperature Capacity Control Set points Stop Load prevents the compressor from loading when the set point is reached Set this set point above normal discharge operating conditions This set point should only become active ifnormalcondenser control is not functioning properly which will cause discharge pressure to become abnormally high Force Unload forces an unload condition when this set point is reached This set point should be set above the Stop Load set point This set point will cause the compressor to unload until the discharge pressure lan
54. ny of the reasons listed in The motor operates in one direction only The command shaft is jammed Broken gears in the gearmotor m The motor runs intermittently several minutes on several min utes off The motor operates in one direc Reason The motor was manually moved while the position sensor was not powered The motor brake is not working properly The position sensor s EEPROM memory has failed The photochopper is misaligned with the slotted optocouplers The photochopperis positioned too low on the motor shaft A motor bearing has failed There is a loose connection in the screw terminal blocks There is a loose or dirty connection in the yellow Turck cable The position sensor has failed There is a broken motor lead or winding The thermal switch has tripped Motor is overheating and the ther mal switch is tripping Solution Recalibrate Getthe motor brake to where it operates freely and then recalibrate Replace the actuator Try to realign or replace the actuator Adjust the photochopper so that fence extends further into the optocoupler slots Replace the actuator Tighten Clean and tighten Replace the actuator Replace the actuator The motor will resume opera tion when it cools This could be caused by a malfunction ing control panel Consultthe factory See above Free the command shaft Replace the actuator This could be caused by a malf
55. of the transformer This practice should be avoided if possible PRIMARY GROUND CONTROL GROUNDED TRANSFORMER gt NEUTRAL MG E CIRCUIT BREAKER ED OR FUSE SECONDARY CIRCUIT 12 Continuous grounds must run from the power company ground to the Vission 20 20 Grounds must be copper or aluminum wire Never use conduit grounds PLANT SUPPLY TRANSFORMER Presis 3 PHASE Company BUS GROUND xum BUS ALUMINUM G COPPER TRANSFORMER gt GROUND MARS FUSES COPPER L TRANSFORMER SECONDARY H N CIRCUIT FUSE 13 Mixing Voltages Separate different voltagesfrom each other and separate AC from DC Each voltage level must be run in separate conduit 460 VAC 230 VAC 120 VAC 24 VAC DC signals If your plant has wire ways or conduit trays dividers must be installed between the different voltages PLANT TRANSFORMER 3 PHASE GROUND BUS 460 VOLT SEPARATE CIRCUIT 120 VOLT CONDUIT CIRCUIT 14 Wiring Methods Don t Daisy Chain control power for Vission 20 20 panels PLANT TRANSFORMER PLANT TRANSFORMER 3 PHASE BUS GROUND BUS 15 Best Practices DO Keep AC wires away from circuit boards Always run conduit into the bottom or sides of an enclosure If the conduit must be placed t
56. off The solenoid will always be off when the compressor is off This solenoid can be controlled via the Oil Injection Temperature or the Oil Separator Temperature This selection in made in the Configura tion screen Oil Pump Restart The oil pump can be selected either as a full time oil pump booster applications or as a part time oil pump high stage applications The selection is accomplished from the Configuration Menu When the oil pump is selected as a part time oil pump then these set points determine when the oil pump is turned on and off based onthe pressure ratio across the compressor The pressure ratio is calculated using the absolute discharge pressure and the absolute suction pressure The 15 on when the pressure ratio is equal to or less than the ON set point The pump is cycled off when the pressure ratio is equal to or greater than the OFF setpoint P R Discharge Pressure Suction Pressure Volume Slide Adjustment Factor This value is normally zero It can be set to a non zero value to permit a repositioning of the volume slide if it is found that the volume slide is not being positioned such to allow the compressor to run at the most efficient point Economizer Solenoid These setpoints determine when the economizer solenoid is turned on and off When the percentage of compressor capacity is equal to or below the OFF set point then the solenoid is turned OFF When the compressor capacity is equa
57. oint the compressor will start Start Delay delays the compressor from starting when the suction pressure meets or exceeds this set point Stop Pressure When the suction pressure meets or falls below this setpoint the compressor will stop Stop Delay delaysthe compressor from starting when the suction pressure meets or exceeds this set point Minimum Slide Position The minimum capacity slide position that the compressor is allowed to run at NOTE When the Pump down Feature is enabled the Auto cycle setpoints are automatically disabled Pump down mode will cause the compressor to cycle off via the Pump down Stop Pressure setpoint and will not allow the compressor to start again VFD Settings PID settings for Motor Speed Control When a VFD is used on the compressor motor the speed of the VFD is controlled using a PID algorithm The set points are 30 P Proportional gain set point Used to adjust the motor speed action in direct proportion to the differ ence between the control set point and the process variable SP PV error This is a unit less quantity and is used for coarse adjustment Use an initial setting of 3 00 This set point should be to the lowest value that gives adequate control system response Increasing the proportional setting increases the control system s sensitivity to small process fluctuations and the tendency to hunt Integral reset set point Used to adjust the capacity control action inte
58. olfor up to four fans and pumps For Future Software Releases SERVICE OPTIONS Navigates to the service options screen where the operator can perform package diagnostics by manually turning on digital outputs INSTRUMENT CALIBRATION Navigates to the instrument calibration screen where the operator can calibrate all of the system sensors 26 SLIDE CALIBRATION Navigates to the slide calibration screen where the operator can calibrate the slide and volume actuators TREND CHART Navigates to the trend chart screen where the operator can select up to four parameters for histori cal data trending Trend charts are updated continuously EVENT LIST Navigates to the event list screen where the operator can view the systems events in chronological order INPUT OUTPUT STATES Allows viewing of the Live Data of all analog and digital input and outputs Also allows viewing Frozen Data of all analog and digital input and outputs at the time of the last compressor stop event CONFIGURATION Navigates to configuration screens where the system parameters are set up DATA BACKUP Allows back of data and set points to a handheld USB memory stick screen For Future Software Releases 21 Compressor Control Screen Suction Pressure 1 Stopped 19 7 Psig A Capacity Slide Suction Pressure Control Setpoint 1 Setpoint 2 Pressure Control Setpoint 20 0 Psig Capacity Increase Volume Slide Interval Time 4 0 sec 4 0 sec
59. on application on a standard single screw this 4 20ma signal controls a motorized valve to regulate the liquid refrigerant injected into the compres sor for oil cooling purposes PROFILE VFD for a profile unit compressor this signal controls the aftercooler fan speed which provides oil cool ing 23 Touch Screen LCD Display Suction Pressure 1 Stopped 19 8 Psig Capacity Slide Anti Recycle 00 00 oil Pump Off Oil Heater Off Remote Lock On 39 8 Psig 75 0 33 8 F Volume Slide 165 5 Psig 126 3 F Suction Press Control Setpoint 20 0 Psig 39 8 Psig 93 8 F In 177 8 Psig Out 173 6 Psig Press 165 5 dus Diff 42 Psig 124 3 F Temp 128 3 Press Diff 133 8 Psig Filter Diff 4 2 Psig 03 02 2010 04 19 27 No Scheduled Maintenance Inj Temp 157 8 F Sep Temp 124 3 F Hours Amperage 0 0 Amps Alarm Trips Present Main Screen The main screen gives the operator an overall view of operating parameters affecting the compressor package This screen is displayed when maintenance items and set points items are not being performed The data on the screen is continuously updated Menu Button Navigates to the menu screen for the following selections Compressor Control Instrument Calibration Alarms and Trips Slide Calibration Timers Trend Chart Compressor Scheduling Event List Com
60. ozen Data Frozen data is a snapshot of the values of the analog points and digital points at the time in which the com pressor last shutdown either by normal shutdown methods or via a fault condition The Live Data is the current analog reading po Temp Units F Press Units Psig Time Format 24 hour e 12 hour Current Hour 05 Date Year 2010 Month os oz Day Compressor WSS Model Refrigerant R717 Other K Factor Compressor Control 451 Controllers Discharge Pressure Control h Suction Pressure Control _ Process Temp Control _ Compressor VFD _ Compressor Sequencing Condenser Control e Disable Enable Fans Pumps F VFD Configuration Screens Communications Touchscreen Active Remote Control None Local Calibrate Direct I O Anti Recycle Serial Modbus RTU Hot Starts Panel ID h Parity Even Restart Power Failure Always Baud Rate 9600 gt Never Data Bits 07 B Timed Stop Bits 1 gt Ethernet Panel ID h IP Address 192 168 1 98 Subnet Mask 255 255 255 0 Gateway 192 168 1 1 Protocol Modbus TCP lv Apply oil Pump Motor Current Device 2 No Pump 2 Current Transformer gt 4 20ma Transmitter Cycling Full
61. pressor Sequencing Input Output States Condenser Control Configuration Service Options Data Backup MAINTENANCE BUTTON Navigates to the maintenance screen to allow an operator to see interval times for maintenance items and to log completed maintenance items 24 LOG BUTTON Navigates to the log on screen which allows the operator to have access to system set points based on his level of security LANGUAGE BUTTON Selects the preferred language for all screens HELP BUTTON Provides help file notes for various screens and settings STOP BUTTON Stops the compressor ALARM RESET BUTTON Resets alarms and allows the compressor to be available to run If there are issues that persist the alarms will be re issued and prevent the compressor from being available to run After correcting the problem press the alarm reset button again and the compressor will be available to run UNIT START BUTTON Selects mode of compressor start CAPACITY SLIDE BUTTONS Allows manual increase or decrease of the slide valve VOLUME SLIDE BUTTONS Allows manual increase or decrease of the volume slide Volume slide control will return to automatic operation after 5 minutes of manual inactivity REMOTE LOCK BUTTON Prevents a remote PLC or remote computer from taking control of the panel This allows the operator to take local control of the panel if the need arises Indicators Hourmeterin run hours Time and Date Suct
62. put is enabled when condenser control option is selected A condenser fan or pump will be turned on or off by this output CONDENSER STEP 3 OUTPUT This output is enabled when condenser control option is selected A condenser fan or pump will be turned on or off by this output CONDENSER STEP Z4 OUTPUT This output is enabled when condenser control option is selected A condenser fan or pump will be turned on or off by this output AUXILIARY 1 thru 8 INPUT Optional inputs that can be configured as an alarm ortrip Typically connected to external switched devices 20 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 OARD I O Analog Inputs Motor Current Suction Pressure Discharge Pressure Oil Filter Pressure Oil Manifold Pressure VRS Oil Injection Pressure slide Valve Position Volume Position Suction Temperature Discharge Temperature Oil Separator Temperature Oil Manifold Temperature Process Temperature Level Cool Compression Condenser Pressure Remote Set point Economizer Pressure Chiller In Temperature Motor Winding Temperature 1 Motor Winding Temperature 2 Motor Winding Temperature 3 Auxiliary 1 Auxiliary 2 Auxiliary 3 Auxiliary 4 Auxiliary 5 Auxiliary 6 Auxiliary 7 Bearing Accelerometer Temp 1 Bearing Accelerometer Temp 2 Bearing Accelerometer Temp 3 Bearing Accelerometer Temp 4
63. re 205 0 F 210 0 F 13 0 Low Oil Separator Start Temp 75 0 F 70 0 F Low Oil Separator Run Temp TUS 100 0 F Low Oil Injection Temp 95 0 F 90 0 F Suction Press Control Setpoint 20 0 Psig 141111 High Oil Injection Temp 145 0 F 150 0 F 39 7 Psig 33 1 F Discharge Press Temp 165 2 Psig 125 8 F Oil Press Diff 133 7 Psig Filter Diff 3 9 Psig Inj Temp 156 9 F Sep Temp 123 3 F Language No Scheduled Maintenance 03 02 2010 04 43 13 Motor Run Hours 0 Amperage 0 0 Amps No Alarm Trips Present Low Suction Temperature This is the low suction temperature safety The alarm or trip will be active if the suction temperature should drop to value that is at or below the set point value High Discharge Temperature This is the high discharge temperature safety The alarm or trip will be active if the discharge temperature should rise to a value that is at or above the set point value Low Oil Separator Start Temperature This is the starting low oil separator temperature safety The compres sor is prevented from starting or running if the oil in the separator is below the trip value After a time delay setting of the Oil Separator Temperature Safety Changeover timer this safety is deactivated and the Low Oil Separator Run Temperature alarm and safety set points become active Low Oil Separator Run Temperature This is the running low oil separa
64. re SP1 Discharge Pressure SP2 Once the control parameter is chosen the appropriate setpoints are then displayed on the Compressor Control Setpoints screen The compressor control logic will decide when to increase or decrease capacity by comparing the controlled variable to the setpoints 28 TIME PROPORTIONING CONTROL Assume that Suction Pressure is the selected parameter to control compressor capacity Time proportioning control is the method used to control the compressor slide valve position in response to setpoint The setpoints are Pressure Control Setpoint This is the target set point Proportional band Dead band Interval time Example Setpoint 20 psig High Proportional Band 4 psig High Dead band region 4 x 0 10 0 4 psig Low Proportional Band 3 psig Low Dead band region 3 x 0 10 0 3 psig Proportional Band When the suction pressure exceeds the dead band in either direction it then enters the proportional band area The Capacity Increase Decrease Proportional Band defines the range of pressure in which corrective action will be taken to bring the suction pressure back to within the setpoint dead band This is done by pulsing the appropriate capacity motor The length of the pulse is in direct proportion to the amount of deviation that the suction pressure is from the setpoint dead band Dead Band A region around the setpoint automatically exists and defines a range around the se
65. rematurely via the Auto cycle Stop set point by automatically disabling the Auto cycle feature The compressor will be placed into Stop mode after the suction pressure is equal to or goes below the Pump down Stop pressure Enable enables the Pump down Uncheck the box to disable the Pump down setpoints Pump down Stop Pressure this setpoint defines the suction pressure value in which the compressor will cycle off Normally this set point is set below the Suction Pressure Auto cycle Stop Pressure Set point Stop Delay delays the compressor from stopping when the suction pressure is equal to or less than the stop pressure Minimum Slide Position The minimum capacity slide position that the compressor is allowed to run at forcing the compressor capacity to operate at a value above minimum we insure that the suction pressure will be pulled down to the Stop pressure setpoint value Pull down Pull down set points define a method of slowly pulling the suction pressure down from a high value This is sometimes required on systems that have liquid recirculation systems On such systems if the suc tion pressure is pulled down too fast the pumps can cavitate causing vibration and damage to the pumps Pull downis also required for new plant startups Pulling the temperature of new buildings down too quickly can cause structural damage so limiting the suction pressure pull down rate will prevent this allowing time
66. res sor from 0 100 proportional to the 4 20mA signal ECONOMIZER PRESSURE Default signal is 4 20Ma Economizer pressure transducer range and calibration is set in the calibration screen CHILLER IN TEMPERATURE Default signal is RTD Chiller inlet temperature calibration is set in the calibration screen MOTOR WINDING TEMPERATURE 1 thru 3 Default signal is RTD One 15 installed in each of the three mo tor windings to monitor motor winding temperature AUXILIARY 1 thru 7 Flexible analog inputs that can be configured to control alarm or trip BEARING TEMP 1 thru 4 Default signal is Monitors bearing temperatures in both the compressor and motor 27 Analog Outputs I O DESCRIPTION TYPE Compressor VFD Condenser VFD 6 Slide Valve Position Motorized Valve Cool Compression or Liquid Injection Profile Cooler VFD Profile only 1 2 3 4 5 6 7 8 COMPRESSOR VFD 4 20mA output to control compressor motor speed with Variable Frequency Drive VFD CONDENSER VFD 4 20mA output to control one condenser fan which is interleaved between the remaining condenser steps for smoother control SLIDE VALVE POSITION 4 20mA signal that transmits the slide valve position for remote monitoring MOTORIZED VALVE V for a cool compression compressor this 4 20ma signal controls a motorized valve to regulate the liquid refrigerant level in the oil separator For a liquid injecti
67. ress Diff 133 5 Psig Filter Diff 4 1 Psig Inj Temp 157 4 F Sep Temp 123 8 F Maintenance Language No Scheduled Maintenance 03 02 2010 04 44 38 Motor Run Hours 0 Amperage 0 0 Amps No Alarm Trips Present This screen allows the operator to view and adjust timer settings associated with compressor operation Timers defined are e Capacity Increase Start Delay Minimum Compressor Pre lube Time Low Oil Pressure Safety Changeover High Filter Differential Pressure Safety Changeover Low Oil Separator Level Safety Changeover Low Oil Separator Temp Safety Changeover Low Oil Injection Temp Safety Changeover e Restart after Power Failure e Hot Starts per Hour True Anti Recycle Timer Accumulative Anti Recycle Timer Capacity Increase Start Delay At compressor startup the capacity slide position is held at minimum position for this time period This is to allow compressor and system conditions to stabilize After the timer expires the Slide is free to move in accordance to the system demands Minimum Compressor Pre lube Time This is the length of time the oil pump will run after establishing Pre lube Oil Pressure to prime the oil circuit before starting the compressor 41 42 Low Pressure Safety This is the length of which the normal Low Pressure set points will be massaged by the values of the Pre lube
68. s 32 Additional Control Setpoints 34 Alarms and Trips Screen ee 37 PET E 39 8 E E E EET 41 Miu 43 DEFVICS OPNA 44 instrument o EE 45 Shae CIND AON u TEUER 46 Command Shaft Rotation 48 Side Valve OPEL AUION irae Eai 49 Slide Valve Trouble Shooting Guide 50 Ted 53 EVENT ESES TOON EE 54 Aput OUEDIIESEaEBS Le 55 CONMOULALION 56 59 OG HIS u ENE 60 tO er 61 User Security Level 62 Salety Failure Messens 63 Vission 20 20 Troubleshooting Guide 65 Digital amp Analog Boards 66 Digit T U u 67 BIE 18 2 ul 68 BENE RERUM 69 Digital Input Output 1 70 Digital Input Output 2 71 Analog Input 1
69. t 50 from the dead band region 3second pulse suction pressure is in the proportional band region and is gt 50 and lt 60 from the dead band region 29 3 5 second pulse suction pressure is the proportional band region and is gt 70 and lt 80 from the dead region 4 second pulse suction pressure is the proportional band region and is gt 80 and lt 90 from the dead region 4 5 second pulse suction pressure is the proportional band region and is gt 90 and lt 100 from the dead band region 5 second pulse suction pressure is beyond the proportional band region gt 100 from the dead band region Auto Cycle Setpoints The auto cycle setpoints define the control points in which the compressor will automatically cycle on and off when the compressor has been placed into Auto mode These setpoints can be enabled or disabled using the check box A delay can be entered to momentarily delay the start or stop from immediately occurring when the pressure reaches setpoint If a compressor shut down is desired on a suction pressure drop and a manual reset is required set the OFF value below the Low Suction Pressure safety trip value This will shut down the compressor and a Reset will be required to restart it x Enable enables the Auto cycle control Uncheck the box to disable the Auto cycle set points Start Pressure When the suction pressure meets or exceeds this set p
70. thin ten 10 days after such claim arises otherwise Buyer waives all rights to such claim Products supplied by Seller which are manufactured by others are not warranted by Seller but rather Seller merely passes through the manufacturer s warranty to Buyer SELLER EXPRESSLY DISCLAIMS ALL OTHER WARRANTIES WHETHER EXPRESS OR IMPLIED INCLUDING THE IMPLIED WARRANTIES OF AND FITNESS FOR PARTICULAR PURPOSE Unless otherwise agreed in writing Buyer s sole remedy breach of warranty is at Seller s option the re pair of the defect the correction of the service or the providing a replacement part FOB Seller s office Seller will not be responsible for costs of dismantling lost refrigerant reassembling or transporting the product Further Seller will not be liable for any other direct indirect consequential incidental or special damages arising out of a breach of warranty THESE WARRANTY REMEDIES ARE EXCLUSIVE AND ALL OTHER WAR RANTY REMEDIES ARE EXCLUDED Products or parts for which a warranty claim is made are to be returned transportation prepaid to Seller s factory Any improper use corrosion neglect accident operation beyond rated capacity substitution of parts not approved by Seller or any alteration or repair by others which in Seller s judgement adversely affects the Product shall void all warranties and warranty obligations Further Seller shall not be liable under the above warranties should
71. ton The logon screen will appear with the pre assigned Level 3 operator name visible Highlight the name then enter the password then press the Apply button Press the Manage Accounts tab to begin the process of entering another Operator name and assign ing password and user level of this additional user Press the Add Update button to add this user to the list then press the Apply button before exiting the Logon screen to make this change permanent Use the information below to determine the user level assignments 60 Suction Pressure 1 Screen to Add Users Stopped 6 9 Psig Capacity Slide Volume Slide Suction Press Control Suction Discharge 03 02 2010 05 50 01 Hours 0 61 Level 1 View Only Level 2 Operator Level Level 3 Full Access Page Event list Input output states Trend chart Slide calibration Instrument calibration Service options Condenser control Compressor sequencing Compressor scheduling Timer Setpoints Constraints Alarms trips Setpoints Constraints Delay Compressor control Setpoints Constraints Configuration Page I Page 2 Page 3 Page 4 Page 5 Page 6 Language Help Maintenance Data backup To save data To upload date Start compressor Stop compressor Volume slide move 62 User Security Levels No password associated with this level Limited access Supervisor User Level Note Level 1 Level 1 Level 1
72. tor temperature safety After a time delay setting of the Oil Separator Temperature Safety Changeover timer the Low Oil Separator Start Tempera ture is bypassed and Low Oil Separator Run Temperature alarm and safety set points become active The alarm or trip will be active if the oil temperature in the separator drops to a value that is at or below the set point value Low Oil Injection Temperature This is the low oil injection safety The alarm and trip set points are bypassed at start for a time period setting of the Oil Injection Temperature Safety Changeover timer The alarm and trip will be active after the time delay has expired High Oil Injection Temperature This is the high oil injection temperature safety The alarm or trip will be active on arise in oil injection temperature at a value at or above the set point value 39 Pre lube Pressure This is the pre lube pump failure safety If the pre lube pressure does not rise above the alarm setting for a time exceeding the Minimum Pre lube Time and the pump run runs longer than the Pre lube Pump Time Limit an alarm or trip will occur These time limits are set on the Timer menu screen Pre lube oil pressure is defined as manifold pressure minus discharge pressure The purpose of this safety is to insure that we have oil being injected into the compressor during the starting of the compressor to insure adequate lubrication 40 Low Run Oil Pressure Th
73. tpoint where the pressure is allowed to deviate without the program taking any corrective action This allows small variances of pressure around the setpoint and reduces capacity hunting from occurring The dead band regions are always defined as 10 of the proportional band region values Interval Time The Capacity Increase Decrease Interval Time is the time interval that the program will use to look and determine if a capacity increase or decrease pulse is required to bring the Suction Pressure back to the setpoint dead band area The length of the pulse is in direct proportion to the amount of deviation that the suction pressure is from the setpoint dead band The formula used to determine the length of pulse is described as 0 5 second pulse for every 10 away from dead band region Qsecond pulse suction pressure within set point dead band 0 5 second pulse suction pressure is in the proportional band region and 10 or less from the dead band region 1 second pulse suction pressure is in the proportional band region and is gt 10 and lt 20 from the dead band region 1 5 second pulse suction pressure is in the proportional band region and is gt 20 lt 30 from the dead band region 2second pulse suction pressure is in the proportional band region and is gt 30 and lt 40 from the dead band region 2 5second pulse suction pressure is in the proportional band region and is gt 40 and l
74. ture set points Low Oil Separator Run Temperature set points Low Oil Injection Temperature set points High Oil Injection Temperature set points Pre lube Oil Pressure set points Run Oil Pressure set points e High Start Filter Differential Pressure set points High Run Filter Differential Pressure set points High Motor Amperage set points 38 Low Suction Pressure Alarm and This is the low suction pressure safety This safety is active in both temperature and pressure control modes An alarm or trip will be active on a drop in suction pressure at or below the set point value High Discharge Pressure Alarm and Trip This is the high discharge pressure safety The alarm or trip will be active on a rise in discharge pressure at or above the set point value High Process Temperature Alarm This alarm is active when the process temperature is at or above the set point value There is no TRIP set point Low Process Temperature Alarm and Trip This is the low controltemperature safety This safety is active when process temperature control has been selected in the Control Mode dropdown selection found in the Compres sor Control Menu An alarm or trip will be active on a drop in process temperature below the set point value Alarms and Trips Suction Pressure 1 Stopped A Capacity Slide Alarm Trip Low Suction Temperature 45 0 F 50 0 F Volume Slide High Discharge Temperatu
75. unctioning control panel Consult the factory 51 Problem Reason Solution The motor runs sporadically Bad thermal switch Replace the actuator Any of the reasons listed in The See above motor will not move in either direction The motor runs but output shaft Stripped gears inside the gear Replace the actuator will not turn motor or the armature has come un pressed from the armature shaft 32 Trend Chart Suction Pressure 1 Stopped 6 9 Psig Capacity Slide 0 0 psig 0 0 0 0 0 0 psig 0 0 amps 0 0 psig 0 0 E Volume Slide 0 0 0 0 psig 0 0 0 0 psig 0 0 amps 0 0 psig 0 0 Suction Press Control 0 0 psig 0 0 amps Setpoint 20 0 Psig Suction da psig Press 26 9 Psig PS 1 00 0 50 0 40 0 30 0 20 0 10 SS ETE Capacity Slide v Discharge Motor Current v Press Temp Menu Hrs Min Zoom In 165 1 Psig 125 6 F Suction Press v Trace Back Oil Press Diff 146 3 Psig Filter Diff 4 1 Psig i Inj Temp 156 9 F Sep Temp 123 3 F Maintenance No Scheduled Maintenance 03 02 2010 05 19 11 Motor No Alarm Trips Present Run Hours UAmperage 0 0 Amps This screen allows the operator to view and adjust settings for the trend chart Thetrend analysis screen shows recorded data for problem analysis ortuning improvements A logging buffer holds 30 min
76. uplers The optocouplers have an infrared light emitting diode LED on one side of the slot and a phototransistor on the other The phototransistor behaves as a light controlled switch When the pho tochopper fence is blocking the slot light from the LED is prevented from reaching the phototransistor and the switch is open When photochopper fence is not blocking the slot the switch is closed As the motor turns the photochopper fence al ternately blocks and opens the optocoupler slots generating a sequence that the position sensor mi crocontroller can use to determine motor position by counting Because the motor is connected to the slide valve by gears knowing the motor position means knowing the slide valve position During calibration the position sensor records the high and low count of motor turns The operator tells the position sensor when the actuator is at the high or low position with the push button Refer to the calibration instructions for the detailed calibra tion procedure The position sensor can get lost if the motor is moved while the position sensor is not powered To prevent this the motor can only be moved electri cally while the position sensor is powered When the position sensor loses power power is cut to the motor A capacitor stores enough energy to keep the position sensor circuitry alive long enough for the motorto come to a complete stop and then save the motor position to non volatile EEPROM me
77. utes of data for 13 variables sampled at 10 second intervals When the logging buffer fills with 30 minutes of data it is automatically transferred to a file which will can up to 120 hours of accumulated data When the file has accumulated 120 hours of data and the logging buffer has filled with another 30 minutes of data the oldest data in the file is dumped and the newest 30 minute data is added to the file When the trend chart screen is opened this logging data is copied to a display buffer and logging continues un interrupted The data available for display in this display buffer is 120 hours maximum The sample of data in the display buffer is not altered by selection of a different variable to view It is only discarded when the user exits the trend chart screen or when the control is powered down Up to 4 variables can be selected for plotting at one time Each is assigned one of 4 colors the plotted trace and the vertical axis labels for a variable will be in its assigned color You can move from viewing the plot to selecting which variables and time interval to show as often as necessary A start and stop button allows you to stop the trending if desired When the stop button is pressed you are asked to provide a name for a file which will contain the saved trend data A Trace button and a Hold button allows you to move a cursor line across all four trend lines and receive a readout of all four variables at the point in time of the cursor

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