Emerson 20/20 manual

V is sion 20/20 micro -c on trolle r Ope ra tion and se r vic e m anu al[...]

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Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T OC - 1 T able of Contents Section T itle Section Number How T o U se This Manu al ....................................................................................................................T OC -8 Section 1 • O perational Flow C harts Require ments [...]

Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T OC - 2 Section 4 • Main Screen Ove r view ...................................................................................................................... ....................4-1 Figure 4-1. Digital I/O Board Layout ....................................[...]

Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T OC - 3 Section 10 • Compressor Sequencing Ove r view ...................................................................................................................... ....................10-1 Pressure Con trol Setpoints .................................[...]

Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T OC - 4 Section 16 • Ev ent List Ove r view ...................................................................................................................... ....................16-1 E ve nt list Columns ..................................................[...]

Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T OC - 5 Section 20 • Data Backup Ove r view ...................................................................................................................... ....................20-1 Save / Load ...........................................................[...]

Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T OC - 6 T able 3-1. Digital I/O .........................................................................................................................3-3 T able 3-2. Analog Inputs...............................................................................[...]

Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T OC - 7 Figure 19-4. Configuration Scree n - Page 4 .................................................................................... ....19-7 Figure 19-5. Configuration Scree n - Page 5 .......................................................................[...]

Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T OC - 8 How t o Use This Manu al This manual c ontains instruc tions for the Vission 20/20 Opera tion & Service Manual. It h as bee n divided int o 25 sections. Section 1: Operational Flo w Charts Section 2: Inst allation R ecommend ations Section 3: Hardwa[...]

1 – 1 Figure 1-1. Operation al Flow Ch ar ts (1 of 2) Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 1 • Operation al Flow C har ts V olume and Capacity slides are less than 5% Oil Separator T emp >Oil Sep Start T rip Setpt Filt er Di Press < Start Filter Di Trip Setpt Oil Pump On: P[...]

1 – 2 Figure 1-1. Operation al Flow Ch ar ts (2 of 2) Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Is Suction Press < Suct Press Cap Dec ON Setpt? Capacity Increase Disabled Normal Loading and Unloading Decrease compressor capacity until Suction Press > Suction Pr ess Cap Decrease ON setpoint. Is S[...]

2 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 2 • Installation R ec ommenda tions Proper Wiring Sizing • Always siz e wire gauge s as spec i fi ed b y the Na tional Electrical Code (NEC) f or electronic con trol devic es. • F or improv ed noise immunit y , install one size large r wi[...]

2 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 2 • Installation R ec ommenda tions Grounding • Continuous grounds mu st be run from the util- it y ground to the Vission 20/20, see Figure 2-3. Grounding. • Grounds must be c opper or aluminum wire . • Neve r use conduit grounds. Mixing[...]

2 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Figure 2-5. Correct T ransf ormer Wiring Me thod Wiring Methods • Each Vission 20/20 pane l should ha ve its own indi- vidual c ontrol transf ormer , see Figure 2-5. Correct T ransformer Wiring Me thod and Figure 2-6. Incorrect T ransformer Wiring Me t[...]

2 – 4 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Best Practices • Do : • K eep A C wires away from circ uit boards. • Always run conduit in to the bo ttom or sides of an e nclosure . • If the conduit mu st be plac ed in the top o f an enclo sure , use a wa te r -tight conduit fi tting to kee p[...]

3 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 3 • Hardware Archit ec ture Ove r view The Vission 20/20 con trol pane l utiliz es X -86 PC technol- ogy with a Linux operating syst em. F or hardware archi- tecture, see Figure 3-1 Hardware Arc hitecture Overview. The Vission 20/20 ha s the f[...]

3 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Digital Input/Output (I/O) Re f er t o T able 2-1. Digital I/O. Compress or Start Output: • When the Vission 20/20 signals the c ompressor t o star t, this output is ener giz ed. When the Vission 20/20 signals the c ompressor t o stop , this output is [...]

3 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T able 3-1. Digital I/O (1 of 2) Board I/O # Description T ype 1 1 Compres sor S tar t OUTPUT 1 2 Oil Pump Start OUTPUT 1 3 Capacity Increase OUTPUT 1 4 Capacity Decrease OUTPUT 1 5 V olume Increase OUTPUT 1 6 V olume Decrease OUTPUT 1 7 Oil Sep arator H[...]

3 – 4 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 High Lev el Shutdo wn Input: • This input mu st be ene rgi zed in or der f or the com- pressor t o opera te . If de-energi zed, the c ompressor will shut down and issue a high lev e l trip. Oil Lev el Flo at S witch #1 Input: • Used f or Cool C ompre[...]

3 – 5 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 3 • Hardware Archit ec ture T able 3-2. Analog Inputs (1 of 2) Board I/O # Description T ype 6 1 Motor C urre nt 4-20 mA, 0-5A 6 2 Suction Pressure 0-5V , 1-5 V , 0-10V , 4-20 mA 6 3 Dischar ge Pressure 0-5V , 1-5 V , 0-10V , 4-20 mA 6 4 Oil F[...]

3 – 6 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 V olume Position: • Re ads the 0-5 volt signal back from the slide volume motor actuat or to indica te curre nt v olume position. Suction T empera ture : • Default signal is R TD. Suction tempera ture calibra- tion is set in the calibration scree n. [...]

3 – 7 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T able 3-3. Analog Outputs Board I/O # Description T ype 10 1 Compress or VFD 4-20 mA 10 2 Condense r VFD 4-20 mA 10 3 % Slide V alve Position 4-20 mA 10 4 Motori zed V alve (C ool Compres sion or Liquid Injection), V+ 4-20 mA 10 5 Spare / Unu sed 4-20 m[...]

3 – 8 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Digital Output Boards The digital output board con ver t signals ge nera ted by the Vission 20/20 program into 120V ac signals th at can be ene rgiz e or signal othe r device s. All the signals are digital in that the only two states av ailable or e ithe[...]

3 – 9 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Digital Input Boards The digital input board c onv ert 120Vdc signals from ex- tern al devices to sign al for the Vission 20/20 program. All the signals are digital in tha t the only t wo states a vail- able or eithe r on or off . See board la yout, Figu[...]

3 – 10 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Digital In -Out Boards The digital input - output board con ve r t signals ge ner - ated b y the Vission 20/20 program int o 120V ac signals as we ll as detect ex tern al 120V ac inputs to signal the Vission 20/20 program. All the signals are digital in[...]

3 – 11 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 3 • Hardware Archit ec ture Analog Input Boards The analog input boar d con ve r t var ying DC signals int o a signal th at can int erpre ted b y the Vission 20/20 pro - gram. The signals are c onsidered an alog becaus e the input DC signal c[...]

3 – 12 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 3 • Hardware Archit ec ture Analog Input Jumper T ables The follo wing tables are used t o c on fi gure each c hanne l of the an alog input board sign al t ype and range desired b y the opera tor , see T able 2-4. Analog Input Jumpe r T able[...]

3 – 13 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 CHANNEL 5 SIGNAL JP-13 JP-14 JP-15 JP-31 Analog Input 5 0-5 V OL T OUT OUT OUT OUT 1-5 V OL T OUT OUT OUT OUT 0-10 V OL T OUT OUT IN OUT 4-20 mA IN OUT OUT OUT ICTD OU T IN OUT OUT RTD O UT OUT OUT IN T able 3-4. Analog Input Jumper T ables (Continued) [...]

3 – 14 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Analog Output Boards The Analog Output boar d con ve r t signals f orm the Vission 20/20 program into a c urren t ranging from 4mA to 20mA, see Figure 3-7. Analog Output Board Lay out. V oltage LEDs: • Marked in the diagram be low in Orange. These LED[...]

4 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 4 • Main Screen Figure 4-1. Main Screen Ove r view The Main Scree n is the fi rst screen enc ount ered whe n powe ring up the Vission 20/20 Pane l, see Figure 4-1. Main Scree n. This screen is designed a s the st ar ting point f or all succee[...]

4 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 4 • Main Screen Figure 4-2. T op Status Bar T op Status Bar The standard view o f the statu s bar shows three piece s of inf ormation. F rom left to right , the bar shows the con- trol method, the curre nt run mode , and the differe nce betwee[...]

4 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Figure 4-3. Paramet er Bar Paramet er Bar The main purpos e of the Parame te r Bar is to dis pla y the common ope ration al parame ters th at the ope rator would be most c oncerned with. It also gives the ope rator acces s to critical butt ons such as th[...]

4 – 4 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Paramet er Bar (Con tinued) Unit Start Button: • When pressed, a start dialog box will appe ar tha t will give the ope rat or a number o f run options ; Aut o, Manual, R emote , or auto sequencing, see Figure 4-4. Unit Start Pop -Up Window . Control P [...]

4 – 5 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Bottom S t atus Bar The bottom sta tus bar giv es the ope rat or ea sy acce ss to some ba sic functions and informa tion. The functions are avail able via the f our button, see Figure 4-5. Bottom St at us B a r . Maint en ance Butt on: • Pres sing the [...]

4 – 6 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 4 • Main Screen Splash Scree n The spla sh screen is the dynamic por tion of the screen that will c hange a s the oper ator n avig ate s through the Vission 20/20 panel scree n, see F igure 4-6. Spla sh Screen. The m ain screen sho ws a graphi[...]

5 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 5 • Menu Scree n Ove r view The menu scree n is the launc hing point t o eve r y othe r section of the Vission 20/20 panel soft ware. E ve r y screen n avig ated t o from this screen will re turn to the menu scree n upon exiting, see Figure 5-[...]

5 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 5 • Menu Scree n Instrument calibra tion: • Navigat es to the instrume nt calibration scree n where the opera tor can calibrat e all of the syste m sensors. Slide calibration : • Navig ates to the slide calibration scree n wher e the opera[...]

6 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 6 • Compressor Co ntrol Ove r view The compres sor c ontrol scree n is where an ope rator can set the ma jorit y of the compre ssor setting s. These se t - ting de fi ne how the compre ssor will ope rate and re spond to ch anging loads. The c[...]

6 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 As mentioned in the abov e paragraph, the distance o f the proces s variable from the c ontrol se tpoint de te r - mines the siz e of the pulse u sed to move the capac ity slide. This is called the proportional band and is set b y the Propor tional Setpo[...]

6 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 The auto-c ycle function will operate only in local “ Auto ” mode and Direct I/O “Remo te Au to ” mode . If the au- to-c ycle fe ature is enabled while running in an y othe r remo te mode , the function will simply be ignored. Howev er , the Mini[...]

6 – 4 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 NO TE VFD installation is no t co ve red in this manu al. A VFD that is no t prope rly installed and con fi gured ha s the pote ntial of cau sing inte rmittent and dange rous problems. Ple ase c onsult your VFD manual. 1 St ep VFD C ontrol : • Enables[...]

6 – 5 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 This button is active only when c ompressor is in local Auto mode and C ontrol Mode Con fi gured is Suc tion Pressure . This button will display “R un” when Pumpdown oper ation ha s not star ted or stopped, while button will displ ay “S top” whe[...]

6 – 6 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 gray ed out and henc e , the us er will no t be able to op- era te Pulldown f e ature . This is done to kee p Pulldown & Pumpdown fe atures mutually ex clu sive . Control Mode This drop down box giv es the operator the ability to change the type of c[...]

6 – 7 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Load Anticipating The purpose of the lo ad antic ipating algorithm is t o re- duce the amoun t of ov ershoot of the capacity slide posi- tion while the compres sor att emp ts to mee t the con trol setpoint. This advanc ed feature o f the Vission 20/20 cl[...]

6 – 8 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 opera tor c onsult PID tuning guides av ailable from man y diffe re nt sourc e bef ore atte mpting t o tune this PID. Liquid inj. Setpoin t 1: • Setpoint at whic h the liquid solenoid will activate if in solenoid c ontrol or if the se tting for the c o[...]

7 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Ove r view The Alarms and T rips screen allows the ope rat or to view and adjust setting s for compress or saf ety and alarm set - tings, see Figure 7-1. Al arms and T r ips Screen. Vission 20/20 use s Alarms a s a way t o notify the operator o f running[...]

7 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 selected in the Control Mode dropdo wn selection found in the C ompressor C ontrol scree n. An alarm or trip will be activated on a drop in proces s tempe ra - ture below the se tpoint value . Low Suction T emperature (Al arm & T rip): • This is th[...]

7 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Compressor Inhibits The Vission 20/20 use s seve ral st ar t inhibits to preve nt the compre ssor from star ting to prot ect the compres- sor and the refrige ration syste m. While st ar ting the compres sor , the inhibits are checked fi r st before the [...]

7 – 4 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 F alse Star t • This mes sage appears whe n the compre ssor stop s and the motor auxili ar y contact fails to open. The message will also appe ar if the compre ssor shuts down and the amperage is 20% o f the maximum amp setting, indicating th at the st[...]

8 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Ove r view The timers screen allo ws the opera tor to vie w and adjust timer se ttings a ssoci ated with c ompressor operation. There are diff er en t t ypes of time rs that the ope rat or should be aware of list ed belo w , see F igure 8-1. Timers Scree[...]

8 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Low Oil Pre ssure Saf et y Bypass : • This is the length of time in whic h the normal L ow (Run) Oil Pre ssure setpoin ts will be adjust ed by the values of the Pre-lube Oil Pres sure setpoin ts. Af ter the timer h as expired, the norm al Lo w Oil Pres[...]

8 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 to re mov e all powe r to the syst em. Low Suction Pressure Sa fe t y Bypas s: • Sets the time that the c ompressor is allo wed to run at low er suction pressure the n would u sually be allow at star t up. High Superhe at T emp Saf ety Changeove r : ?[...]

8 – 4 / Blank Vission 20/20 • Ope ration and Se rvice Manual •Vilter/Eme r son • 35391SC 1.8.5153[...]

9 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 9 • Compressor Scheduling Ove r view This menu allows the ope rator to schedule c ontrol se t - point switc hing during the da y and wee k. This fe ature can be en abled and disabled from the Compres sor Schedule screen . Up to f our setpoin t[...]

9 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 as “Unscheduled” if ope rat or does no t want to u se all 4 eve nts per da y . Time: • This setpoint allows se lection of Hours, Minutes and AM/PM values f or an eve nt. When time set f or an eve nt is achieved, c ontrol mode will ge t ch anged as [...]

10 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 10 • Compressor Sequenc ing Ove r view Compress or sequencing scree n is where more than one Vission 20/20 panels can be seque nced in net work using Modbus T CP . These setting s de fi ne how the ma ster com- pressor should c ontrol seque n[...]

10 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 monitor c ompressor load. If Suction pressure / pro- ces s tempe rature goes beyond Lo ad Rat e 1 setpoint offset the n sequencing decisions are made acc ording to Lo ad Rat e 1 timer . Suction Pressure/Process T empe rature C ontrol Setpoin t: • The [...]

10 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Statu s Symbols: • Statu s symbols shows statu s of Sl av e compre ssors on the sequencing table . Please see Application No tes for more de tails. Sec tion 10 • Compressor Sequenc ing Machine S top Time: • M achine S top time r shows the time in [...]

10 – 4 / Blank Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153[...]

11 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 11 • Condense r Control Ove r view This screen allows the ope rator to view and adju st con- dense r setpoint se ttings a ssociated with c ondense r op - era tion. This screen will only be active if the Conde nser Control op tion ha s been en[...]

11 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Condense r Press : • This is the read only paramet er and it dis pla ys the prese nt value of c ondense r pressure. Condense r Setpoint: • This is the c ondense r pressure se tpoint th at needs to be maintained. Upper De adband: • This is the cond[...]

11 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Figure 11-2. St ep Control Scree n Sec tion 11 • Condense r Control selected as L ow Speed F an through combo box. E.g.: Let’s sa y Out #2 is selected as L ow S peed F an in Ste p 2. When ste p 2 becomes active during conde nser con trol opera tion [...]

11 – 4 / Blank Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153[...]

12 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 12 • Ser vice Options Ove r view The Service Option screen allo ws the opera tor the abil- it y to forc e individual digital or analog outputs ON. This fe ature is u sed f or diagno stic purpose s during initial setup and/or if the ope rator [...]

12 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 of the volume actua tor . The output is connec ted to termin al 15 and is the 5th LED down on card 1. V olume Decrease Mo tor: • Activates the output as signed to the decre ase input of the volume actua tor . The output is connec ted to termin al 16 a[...]

13 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 13 • Instruments Calibration Ove r view The Instrument Calibra tion screen allo ws the opera tor to de fi ne how the Vission 20/20 will in te rpret the sign al from any devic es attached to the pane l’s an alog inputs. The instrument calib[...]

13 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 device s are prede fi ned and if one is selected, then all the setpoints will be se t f or the opera tor . Cu stom Devic e : • This option allows the opera tor t o choose the mini- mum and maximum value of the instrume nt be ing used. Offse t: • On[...]

13 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Analog Inputs This section of the Calibration screen allo ws the opera- tor to de fi ne the parame te rs of an installed auxiliar y ana- log instrument. The se instruments are u sually not part of a ty pical compres sor setup but Vission 20/20 provide [...]

13 – 4 / Blank Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153[...]

14 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 14 • Slide Calibration Ove r view The Slide Calibration scree n is us ed in calibrating the slide actuators and to establish Vission 20/20 con trol paramet ers. It is impor tant that the ope rator use s cau- tion while opera ting in this scre[...]

14 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 mechanical st ops f or normal slide tra ve l. These so f t - ware limits purpose is to pre ve nt the slide from ac tu- ally hitting the mechanical st ops which c ould result in a number o f undesirable c onsequenc es. By de fault, the soft ware limits a[...]

14 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 4. F rom the main scree n select the Menu butt on. 5. On the menu scree n select the Slide Calibration but - ton. Whe n the “Slide V alve Calibration ” screen appe ar s, then y ou can saf ely c onnec t the Powe r Cable (Y ello w TUR CK cable) and th[...]

14 – 4 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Command Shaft Rotation The following table de scribes the rotation direction required by the actuat or . Ev er y optical ac tuat or ha s the abilit y to be wired to rotat e in eithe r direc tion. Energizing the blue actuator wire re sults in a CCW rotat[...]

14 – 5 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Slide V alve T roubleshooting Guide The Analog output card o f the Vission 20/20 produce s a 4–20mA signal t o any a ttached devic es. How ev er , it is not uncommon th at sm all diffe re nce s in the board c omponen ts might result in sm all diffe re[...]

14 – 6 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 T able 14-2. Slide V alve T roubleshooting Guide (2 of 2) Problem R eas on Solution There is a rapid clicking noise whe n the mot or is ope rating. (Continued) The position se nsor’s EEPROM memory ha s failed. R eplac e the actuator . There is a rapid[...]

14 – 7 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Slide V alve Actuator T roubleshooting Guide Blink Code Vilter actuat ors communicate proble ms discove red by the inte rnal di agnostics to the tec hnici an by LED blink c odes. Only one blink code is dis pla yed, ev en though it is possible tha t more[...]

14 – 8 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 14 • Slide Calibration T able 14-3. LED Blink Codes and T roubleshooting Guide (2 of 2) Flash Pa ttern * = ON - = OFF Meaning *--*--*----------------- The motor is o ve r hea ted. The actuator mo tor will no t run until it cools. Onc e the mo[...]

15 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 15 • T rend C har t Ove r view This screen allows the ope rat or to view and adju st set - tings f or the tren d chart, see Figure 15-1. T rend Ch ar t Screen. T rending f ea ture can be star ted & stopped from this screen. Up t o four va[...]

15 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 zoom le ve l ope rator can vie w 3 minutes o f trend d ata and Zoom In butt on will be inactive . At minimum zoom le ve l ope rator can vie w full 120 hours of trend data and Z oom Out button will be in active. Back/Forward: • These butt ons allow the[...]

15 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Figure 15-2. T rend Setup Screen Sec tion 15 • T rend C har t Setup The opera tor can modif y options f or pen se lec tion drop - down box from tre nd setup screen, see Figure 15-2. T rend Setup Screen. T rend setup screen will appe ar on press o f Se[...]

15 – 4 / Blank Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153[...]

16 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 16 • E vent List Ove r view This screen is designed t o displ ay c ompressor e ve nts in chronological orde r . The inf orma tion avail able on the screen is valu able for unde rstanding the operation of the compres sor and troubleshoo ting, [...]

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17 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 17 • Input / Output Ove r view This screen dis plays “Liv e Data” of all the an alog points and digital points being monit ored, see Figure 17-1. Input/Output Screen. The re are fo ur pages o f Input / Outputs (I/O) avail able for vie win[...]

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18 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 18 • Auxiliar y Input / Output Ove r view The Auxiliar y Input/Output (I/O) section of the Vission 20/20 gives the ope rator fl exibilit y to add periphe ral instruments and/or de vice s such a s motors, valv es and solenoids. With these add[...]

18 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Inhibit Check: • Selec ting this checkbox e nables the inhibit function of the Vission 20/20 f or the desired digital input. An inhibit check prev en ts the compre ssor from starting if the condition is true whe re a trip will shut down the compre sso[...]

18 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 • High Alarm: • This de fi nes the upper limit o f the input value , that whe n exceeded will gene rate an alarm. • Low T rip: • De fi nes the lower limit o f the input value that when ex ceeded will ge nerate a trip . • High T rip: • De ?[...]

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19 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 19 • Configuration Ove r view The con fi guration screen is where mo st of the Vission 20/20 fe ature s are en abled and con fi gured, see Figure 19-1. Con fi guration Screen - Page 1. The initi al Setup of the Vission 20/20 will gene rall[...]

19 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 logging and troubleshooting. Se tting these parame ter will set the har dware clock e mbedded in the Vission 20/20 CPU. If the time is not re tained after powe ring down the pane l, the opera tor should c heck and/or re- plac e the coin style battery on[...]

19 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 due to re pea ted mot or star ts. The operat or ha s 3 choic es of prot ection. Hot star ts allows only a certain number of star ts per hour bef ore setting an hour t o the anti-rec y- cle time r . The number of starts is set in the timer page . Accumul[...]

19 – 4 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 19 • Configuration Compressor Contro l Vilter c ompressors t y pically run in one of t wo con trol modes, suction pressure or proces s te mpera ture con- trol, see Figure 19-2. Con fi guration Screen - Pa ge 2. Suction Pressure Control: • [...]

19 – 5 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 19 • Configuration Condenser Con trol The values in this section enables the c ondenser con- trol fe ature o f the Vission 20/20. Once se lec ted the checkbox es will become avail able for se lec tion and the conde nser c ontrol scree n will [...]

19 – 6 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 19 • Configuration Digital Inputs The Vission 20/20 ha s seve ral digit al inputs that the op- era tor can choo se how the input will be u sed. Once an input is en abled, the Auxiliary I/O screen will be avail- able from the menu scree n wher[...]

19 – 7 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Analog Inputs The Vission 20/20 ha s seve ral Analog inputs that the opera tor can choo se how the input will be u sed. Once an input is en abled, the Auxiliary I/O screen will be avail- able from the menu scree n where the ope rator can fur ther de fi[...]

19 – 8 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Figure 19-5. Con fi guration Screen - Page 5 Analog Outputs The Vission 20/20 ha s seve ral Analog outputs that the opera tor can choo se how the outputs will be u sed. Once an output is en abled, the Auxiliary I/O screen will be avail able from the me[...]

19 – 9 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Figure 19-6. Con fi guration Screen - Page 6 I/O Con fi guration If any addition al I/O card are added to Vission 20/20, this is where the se cards are e nabled f or us e by the Vission 20/20 algorithms. Some fe ature o f the Vission 20/20 will not be[...]

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20 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 20 • Da ta Backup Ove r view The databa se backup screen pro vides the ope rat or a way to extract informa tion out of the Vission 20/20 f or backup purposes or di agnostics, see Figure 20-1 Da ta Backup Screen. Through this scree n, the oper[...]

20 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Load: • Selec ting load allows the ope rator t o load d ata from a USB fl ash drive t o the Vission 20/20 using the in- form ation pro vided fur ther down the scree n. The bottom butt on will be labe led “Load” when this is selected. Avail able D[...]

20 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Figure 20-2. Data Backup Scree n - Migrate and F a ctor y R eset Migrate : Loading d ata from an older v ersion of the Vission 20/20 soft ware to a ne wer one can be c omplicated due to dif- fe renc es in databases. This migra te function close ly exami[...]

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21 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 21 • Mainte nanc e Ove r view The maint en ance scree n is a conve nient plac e to k eep track of the the main te nanc e per formed and any upc om- ing maint en anc e recomme nded by Vilt er . Based on this page , banners will be displ ay ed [...]

21 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Not es The note s tab allows the oper ator t o mak e notes to an y othe r personne l tha t might hav e access to the Vission 20/20. Log The maint en anc e log tab lists all the maint en ance ta sks performed in desce nding order . Date: • Lists the da[...]

22 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 22 • User Access Ove r view The use r acc ess scree n is wher e all opera tors go to log in. In the Vission 20/20, eac h screen h as a sec urit y leve l, where by allo wing opera tors, technic ians and/or supe r vi- sors the abilit y to modif[...]

22 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Login The login tab is where an ope rat or will en te r the use r s name and pa sswor d in orde r to g ain acce ss to Vission 20/20 screens. Oper ator s: • All ope rat ors that h av e been added t o the Vission 20/20 use r tables will be disp lay ed i[...]

22 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 eithe r select the use r name from the ope rators win- dow or en te r the us ern ame manu ally by t ouching the en tr y box and en te ring the name vi a the pop-up key b o a r d. Operato r Passwo rd: • This e ntry box is for the ope rator’s p as swo[...]

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23 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 23 • Help Scree n Ove r view Use this scree n to rec eiv e help on other se tpoint scree ns con tained within the soft ware . These he lp fi les can be acces sed from any scree n. The help fi les describe the functionalit y of that scree n [...]

23 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Back: • Pressing the back button will rewrit e the fi le/folder list with the previous f older leve l. Displa y Window: • This window displ ays the c ont ext of the manual. F ullscreen : • Pressing this button exp and the displa y window t o fi [...]

24 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 24 • T win Screw Control Ove r view The Vission 20/20 is capable of ope rating a twin screw compres sor from a number o f diffe rent manufacturers. The Vission 20/20 curren tly ope rate s as a twin screw con troller in the full time oil pump [...]

24 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Oper ati on Once the twin screw is con fi gured, its operation is ve r y similar a s the single screw and all options th at are a vail- able for single screw c on fi gura tion are also avail able for twin screw . The only opera tional diff er enc e is[...]

25 – 1 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 25 • Cool Compression Contro l Ove r view The cool c ompression c ompressor operation is simil ar to the standar d single screw compre ssor units, ex ce pt there is no extern al oil coole r to the unit. A blanke t of liquid ammonia lies on t [...]

25 – 2 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 en able Superhe at Monitoring on the screen. • As previously described, C ool Compression compres sor does no t hav e an oil pump. Instead it ha s a suction oil injec tion solenoid to pro- vide oil and liquid ammonia f or lubrication and cooling. • [...]

25 – 3 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 25 • Cool Compression Contro l • Auto L oad Timer • This time r de fi nes the maximum time th at the Auto Lo ad opera tion will be eng aged. After the timer expires, A uto Lo ad will be diseng aged. • Auto load will be dise ngaged whe [...]

25 – 4 Vission 20/20 • Opera tion and Service Manual •Vilte r/Emerson • 35391SC 1.8.5153 Sec tion 25 • Cool Compression Contro l opera tional diff ere nces that are mo stly as soci ated with the compres sor saf etie s: 1. The Cool Compres sion program ignores, • Lo w Oil Separa tor Al arm / T rip at star t • High Filte r Diffe re nti [...]

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35391SC 1.8.5153 (11/12) Emerson and Vilter are trade marks of Eme rson Electric Co. or one of its af fi liated companies. © 2012 Emerson Clim ate T echnologies, Inc. All rights reserved. Printed in the US A.[...]