Home

Comtrol MCS-4000 User Manual

1. EN Torr com maur COM TROL SELECTION FED SHOWN UNE OF DERLAY ON FRONT PANEL OF CONTROLLER eH Division of Ranco North America an Invensys Company TE MC 4000 CONTROLLER ADDRESS SWITCH SETTINGS 49 0 554 99 ona 10 Sensors amp Accessories The standard sensors and accessories available with other Com Trol products are available with the MCS 4000 They include standard temp sensor 50 to 150F high temp sensor 50 to 250F 0 to 100 psi 0 to 200 psi 0 to 500 psi and 0 to 1000 psig pressure transducers humidity sensor dew point sensor and light level sensor 0 to 300 FC See the installation drawings for further information Relay 8 The Relay 8 board contains eight relay outputs with or without manual override switches The RO 8 relays are rated at 3 amps at 250 volts Both normally open and normally closed contacts are provided See the installation prints for the appropriate connections for your application The removable Phoenix connectors will accept wire up to 10 gauge Use the smallest wire appropriate for the load A flexible jacket is preferred See the installation prints for recommended wire and sizing Digital Input 8 The 8 will accept 24 vac to 280 vac If 440 volts is present then an interposing relay with the appropriate coil voltage or a Com Trol DIM digital input module of the proper voltage must be used to
2. 01 SDIC The task name of the selected float temp defr circuit Current Accumulator The current projected capacity required to meet the load as predicted by the PID control algorithm Determines which step of capacity combination of compressors is being used 24 Head Press The current head discharge pressure Head Safety The pressure at which compressors will start staging off for safety purposes Information below the dotted line Unit The name of the relay output s Status The On Off and override status If overridden by software a r will appear next to the on or off if switched at the relay I O board s will be present and if overridden both ways a b will be displayed Monitor If monitor proof input was selected during set up it will appear in this column It should match the relay state within 6 sec Unless something is getting in the way of Grp For compressor groups indicates the percentage of the total capacity that each compressor represents based upon the HP or Btuh values entered during the set up process Run Tdy Yst These two columns provide the calculated percentage of runtime for each relay for today thus far and yesterday Pressing right arrows as indicated at the bottom of the screen will provide additional information in these columns This includes the runtime and cycles for today and yesterday and the last on and last off and total runtime since the system was s
3. This screen may also be used to put a circuit in Washdown Mode refrigeration and defrost off for a timed period press 2 and to shift dual temp circuits if so setup from low temp to medium temp operation press 3 or 4 4A MCS 4000 SETUP Introduction Setup refers to the initial programming of an MCS 4000 4K controller This procedure may be accomplished directly from the front panel of the controller or on a PC utilizing the EZSET2 program The setup file program may then be loaded into the controller directly from the PC with a Com Trol RS232 RS485 download module part number 90TB049G01 or direct connect part number 50TB171G01 via a COM5002 Communications Controller or over the phone line modem with the COM 5002 or 6000 Advantage using the Com Trol EZCOM program The following discussion will apply to the front panel programming procedure Refer to the Ezset2 Manual for computer programming Note Prior to programming the first task make sure that the Clear Memory function is performed This is accomplished by selecting Miscellaneous on the Main Menu then selecting Clear Memory You will be prompted for the High Level Password initially 9999 and warned that any existing program will be erased lost if you proceed To begin programming select Task Settings on the Main Menu with the side key top right and press Enter Select Setup Menu upper right with side key and press Enter Select Setup Add Ta
4. 76 0 Fan Full Speed This Value is added to the 1st stage of cooling setpoint to determine the zone temp at which the fan will be at full speed A linear ramp is provided between the cooling Fan Minimum Setpoint and the resultant of this offset shown in parenthesis Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen Large Pkg 01 Cen 01 screen 10 Ht Reclm Offsets Temp 4 0 68 0 Temp 5 0 Temp 6 0 Temp 7 0 Temp 2 0 67 0 66 0 65 0 70 0 Stage 1 This value is subtracted from the System setpoint to determine the temperature at which the 1st stage of heat reclaim will be turned On The resultant setpoint is shown in parenthesis Stage 2 This value is subtracted from the System setpoint to determine the temperature at which the 2nd stage of heat reclaim heat will be turned On The resultant setpoint is shown in parenthesis Stage 3 This value is subtracted from the System setpoint to determine the temperature at which the 3rd stage of heat reclaim will be turned On The resultant setpoint is shown in parenthesis Stage 4 This value is subtracted from the System setpoint to determine the temperature at which the 4th stage of heat reclaim will be turned On The resultant setpoint is shown in parenthesis Fan Minimum Setpoint The offset from the first stage hea
5. A sample screen for the Circuit Summary follows Circuit Summary Unit Status Target Average Next Defrost 01 SDIC On 22 0 18 5 00 00 02 SDFF Defr 10 0 32 0 01 00 03 SDFF Off 10 0 11 0 02 00 04 RIFF Drip 5 0 45 4 03 00 etc To view more circuits use the down arrow To view the individual temperature sensors for each circuit the right arrow key 4 on each screen maximum of 12 The first column lists the task name for each temp defrost circuit 27 The Status listed in the second column can have the following states On refrigeration On Off 2 refrigeration Off Defr in defrost refrig off Drip defrost and refrigeration off Ovrd manual emergency defrost Wash washdown refrigeration and defrost off for timed period Pdwn pumpdown mode defrost off Target The programmed target temp Only used for control is setup Average The current average of all temperature sensors on the circuit Next Defr Next scheduled defrost time 1 to Temp12 the temperature readings of sensors on the circuit Example screen for the Defrost Summary follows Defrost Summary Unit Status Failsafe Drip Term Temp 01 SDIC On 20 5 48 0 45 6 02 SDFF Defr 30 5 48 0 35 0 03 SDFF Off 30 5 48 0 48 0 04 RIFF Drip 45 5 55 0 44 5 etc To view more circuits use the down arrow To view the individual defrost times for each circuit the right arrow key 4 on each screen maximum of 6 The first column lists the task name fo
6. Automatically resumes normal operation when time expires Cmpr Task Off in Dfr No Yes Only used for single compressor tasks where you want the compressor to turn off while the circuit is in defrost Not applicable to racks Night Setup Temp Unequipped Equipped Allows a circuit to run at a different control temperature based upon a schedule Use the side keys to select all desired options then press Enter to move to the next Screen 63 DEFROST TYPE screen 3 TERMINATION TYPE Hot Gas Supply Air Temp Electric Klixon Din Reverse Air Coil Temp Timed Off Cycle Time Only Suction Pressure This is a two sided screen where choices are made with both left and right side keys Select both the Defrost Type and Termination Type then proceed to the next screen Suction pressure termination is normally only applicable to single compressor systems FIXTURES screen 4 None spare circuit Future SDIC Single deck Ice cream MDIC Multi deck Ice Cream SDFJ Single deck Frozen Juice Multi deck Frozen juice Reach in Ice Cream A list of case fixture types is presented There are 63 types to choose from The type selected determines what default parameters setpoints will be used from the MCS 4000 s built in database They can however be modified at any time Use the up down arrow keys to move to the desired page of fixture types then press the side key to select the fixture type Press Ente
7. Enter The following screen will appear Store Hours Open Close Open Close Sun 00 00 24 00 Fri 00 00 24 00 Mon 00 00 24 00 Sat 00 00 24 00 Tue 00 00 24 00 Holi 00 00 24 00 Wed 00 00 24 00 Hol2 00 00 24 00 Thur 00 00 24 00 Hol3 00 00 24 00 This screen allows the user to set the hours of store operation for each day of the week and Holidays 1 4 The store hours are used for Relative Schedules If a schedule is set up with the Z in days of the week it will say Store Hours Related and the task will be turned On Off relative to these store hours applying the offset time to them To set the store hours use the left right arrows to select the Open or Closed Column Then use the left or right side keys to select the day of the week or Holiday Type in the time with the number keys entering all four digits then press Enter To get to Holiday 4 Hol4 press the down arrow before making any selection This will shift the screen down one line Holidays The 4K handles 4 different holiday schedules with up to 20 holiday dates The dates are expressed in a from to manner so that they can span several days if required For holidays that occur on the same date every year the year can be entered as 80 and they will repeat every year on this date with no changes required unless the on off times change Holidays Grp Begin End Year Grp Begin End Year 1 12 25 12 25 95 0 00 00 00 00 0 0 00 00 00 00 0 0 00 00 00 00 0 0
8. already been set up previously Assign New Sensor Sets up another RH Dewpoint sensor for this task rather than using one that had been set up with a previous task 71 Lrg Pkg Options 3 screen 3 Fan Configuration Single Fan Damper Configuration Cooling Stages Heat Reclaim Stages Sets up one relay for fan control Two Fans Sets up two relays to control two separate fans but they run in unison Lo Hi Speed Fan Provides two relays for two speed or two fan control that are interlocked with a time delay in between going from one to the other i e the relays are never On at the same time Variable Speed Fan Sets up a relay and an analog output to control a variable speed fan Automatic resets and bypass are not provided at this time Options tasks can be to obtain to provide manual remote capability for these functions Unequipped Day Night Mode Provides a relay that will open close a damper on a scheduled basis An analog damper can be controlled with an option Analog Out task One Sets up an output for one stage of cooling A maximum of four stages of cooling are possible options below Two Three Four Unequipped No cooling stages provided One Sets up an output for one stage of heat recovery A maximum of four stages of heat reclaim are possible options below Two Three Four Unequipped No stages of heat reclaim stages provided 72 Aux
9. desired Press Enter when complete ANTISWEAT 01 ASW 01 screen 4 Anti sweat Day Setp 55 0 For Maximum On Cycle Sets dewpoint RH level at which the heaters will be cycled at the maximum on value given below for the Day mode based upon schedule settings Pcnt 80 0 Maximum On Cycle Sets the maximum On time allowed for Day mode Setp 35 0 For Minimum 96 ON Cycle Sets dewpoint RH level at which the heaters will be cycled at the minimum on value given below for the Day mode 5 Pcnt 20 0 Mins 0 Temp 0 0 Minimum On Cycle Sets the minimum On time that will be allowed for Day mode Override Sets the override time from night to day mode setpoints for the Override Schedule Input option push button attached to digital input or from the Schedule Override screen Demand Save Limit The Demand offset value at which the Anti sweat Heaters would be placed in the night mode if demand control is being utilized If changes to these set points are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen ANTISWEATZ O01 ASW 01 screen 5 Anti sweat Night Setp 55 0 Pcnt 80 0 Setp 35 0 Pcnt 20 0 Nmbr 1 For Maximum On Cycle Sets dewpoint RH level at which the heaters will be cycled at the maximum On value given below for the Night mode based upon schedule settings Maximum On Cycle Sets th
10. screen 2 Test Digital Input Unequipped Equipped Provides digital input that will trigger the UH EXH to turn On when the DI is turned on Will shut off after the Test Interval timer expires Test Interval 30 minutes Sets the Test timer interval to 30 minutes 60 minutes Sets the Test timer to 60 minutes 90 minutes Sets the Test timer to 90 minutes 13 Override Schedule Inp Setpoint Up Dwn Inps Demand Group 120 minutes Sets the Test timer to 120 minutes Unequipped Start DI Sets up a digital input that will put the Unit Heater Exhaust Fan in Day mode schedule On for the override time specified in Screen 6 when the DI is On push button switch Start Stop Dl s Provides a digital input for a push button switch to put in the Day mode and a second DI that will cancel the override timer Unequipped Digital Buttons Provides two digital inputs one for heating and one for cooling which when attached to a push button switch will raise or lower the current Setpoints by 1 degree per push must wait 30 sec in between for a maximum of 4 degrees shift This temporary offset is removed at mid night Analog Slide Provides an analog input that will provide up to a two Degree shift in the setpoint as the as slide is moved up down from the center position slide switch available from Com Trol Unequipped One Assigns task to the first demand control group Note this opti
11. two speed fan operation was selected on a prior option screen Fan will run at high speed any time any heating is called for during the day scheduled On mode With Stage One Fan will shift to Hi speed when the first stage of heating is turned On during the day scheduled On mode With Stage Two Fan will shift to Hi speed when the second stage of heating is turned On during the day scheduled On mode With Stage Three Fan will shift to Hi speed when the third stage of heating is turned On during the day scheduled On mode With Stage Four Fan will shift to Hi speed when the fourth stage of heating is turned On during the day scheduled On mode Never High Speed Fan will remain at low speed during all heating during the day scheduled On mode Always High Speed Fan will run at high speed any time any heating is called for during the night scheduled Off mode With Stage One Fan will shift to Hi speed when the first stage of heating is turned On during the night scheduled Off mode With Stage Two Fan will shift to Hi speed when the second stage of heating is turned On during the night scheduled Off mode With Stage Three Fan will shift to Hi speed when the third stage of heating is turned On during the night scheduled Off mode With Stage Four Fan will shift to Hi speed when the fourth stage of heating is turned On during the night scheduled Off mode 75 Dehumidify Fans Never H
12. 1 This value is added to the System setpoint to determine the temperature at which the 1st stage of cooling will be turned On The resultant setpoint is shown in parenthesis Temp 5 0 77 0 Stage 2 This value is added to the System setpoint to determine the temperature at which the 2nd stage of cooling will be turned On The resultant setpoint is shown in parenthesis Temp 8 0 80 0 Night Mode Offset The amount that will be added to the System setpoint during the night mode to base the cooling offsets against The resultant value is shown in parenthesis 92 Temp 75 0 Normal Outside Lockout The temperature of the ambient outdoor air below which the cooling will not be allowed to operate during the day scheduled on mode Temp 75 0 Night Mode Lockout The temperature of the ambient outdoor air below which the cooling will not be allowed to operate during the night scheduled off mode Temp 0 0 72 0 Demand Save Limit If demand control is being used sets the maximum amount that the cooling setpoints may be raised for demand control Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen Rooft Pkg 01 Rft 01 screen 8 Heat Setp s Temp 4 0 68 0 Stage 1 This value is subtracted from the System setpoint to determine the temperature at which the 1 stage of heat will be turned On The resul
13. Condenser Fans see above Temp Defr Circuit Same as Rack Temp Defr Circuit see above CSTR Library CSTR 4 3xx Large Central Packages Same features as HVAC above RTU Small Packages Same features as HVAC above Single Cmpr Same features as Rack Library Single Cmpr Task Each Software library will be covered on a task by task basis Each screen will be covered in sequence with an explanation of each item option following NOTE Unequipped means that this option feature is not wanted TASKS COMMON TO ALL LIBRARIES Anti Sweat Grp ANTI SWEAT OPTIONS screen 1 Digital Monitors Unequipped Equipped Provides a digital input to monitor the contactor relay Schedule mode 24 hr scheduled Initially sets schedule to have in day mode at all times Day Nite store hours Sets up a schedule based on Store Hours to switch from Day to Night Mode setpoints Cycle Length mins ASW Humidity Sensor Type Humidity Sensor Assn Use the side keys to set all Sets up an analog output to do pulse control 6 sec bandwidth Five Sets the cycling interval to 5 minutes Ten Sets the cycling interval to 10 minutes Fifteen Sets the cycling interval to 15 minutes Dewpoint Sets the sensor type to Dewpoint for control of the Anti sweat heaters Relative Humidity Sets the sensor type to relative humidity Use Common Sensor If dewpoint or relative humidity sensor already set up for other tas
14. Equipped Provides an analog input for water temp that will turn off all compressors within 6 sec for freeze protection used for chiller control to prevent heat exchanger damage Unequipped Equipped Sets up an automatic conversion transfer function takes the head pressure and converts it to the saturated condensing temperature based upon the selected refrigerant and puts this value out on an analog output for local or global transfer to the 4k that has the multi circuit condenser task in it Unequipped Equipped Sets up a schedule that will change the target suction temperature by an amount specified later when the schedule says off This can be a positive or negative offset Unequipped Equipped Provides one digital input that will shut off the compressors when the input is on This is used for Carlyle screw compressors Unequipped One Provides one digital input that will cause all compressors in the group to shut down when the DI is ON Two Same as above but provides two digital inputs Three Same as above but provides three digital inputs Use the side keys to select all desired options then press Enter to move to the next screen COMPR GRP 01 CMP 01 screen 7 Cmpr Type Size Cmp1 0 0 Reg Cmp2 0 0 Reg Cmp3 0 0 Reg This screen will only display the compressor unloaders that were specified previously on screen 5 You must now enter the horsepower or Mbtuh capacity of each compres
15. FLISE 1 LCD ANCLE ADJUSTMENT POT 9 RESET PUSHBUTTON PEETDEEDERERXELRERE SWITCH UP OFF DPEN SWITCH DOWN ON CLOSED EWITEH DN DOWN FOR BDOGCDM SOFTWARE SWITCH SET TO UN Rd SOODSCOM AND AD SOFTWARE SWITCH SET TO ON DOWN FOR STANDARD MENORY REFER TO SHEET 6 3 FOR CONVERTING NUMBERS NUMBERS FRDM STANDARD TO EXTENDED MEMORY SWITCH DN BOARDO LL TO DISABLE ALARM CAUTION SET SWTCH 8 TO AN BOW POSITION DISREGARD NUMBER ON SWITCH NOTE LOCAL ALARM WLL NOT SET BY NUMBERS DN BOARD WORK IN ON POSITION MAXIMUM OF 16 MCB 4000 CONTROLLERS IN ONE CLOBAL BUS SWITCH NwEER 2 s 4 s e 7 s s vo m iz so oo 15 5 L 1 Orr oorr ON OFF oN ON oN OFF ON OFF ON OFF ON L 2 TON OFFT OFF ON ON OFF OFF ON ON OFF OFF ON ON GFF OFF ON Ls TON T ONT Torr Orr OFF ON ON ON ON OFF OFF OFF OFF ON 4 ON oN ON on ON orr oF orr orr OFF OFF ON L 5 es os on on on on ov ADORESS SELECTION CAN BE VERIFIED BY REFERING TO BOX NUNBER SHOWN IN BOTTOM LINE DISPLAY ON FRONT PANEL F2 ALARM LIGHT FUSE 1 2 AMP F3 ALARM BUZZER FUSE 1 2 F4 ALARM 12V FUSE 1 2 AMP MCS 4000 RELAY OUTPUT CARD 8 CH 24VAC POWER LOCAL BU
16. Fan will shift to Hi speed when the first stage of cooling is turned On during the day scheduled On mode With Stage Two Fan will shift to Hi speed when the second stage of cooling is turned On during the day scheduled On mode With Stage Three Fan will shift to Hi speed when the third stage of cooling is turned On during the day scheduled On mode With Stage Four Fan will shift to Hi speed when the fourth stage of cooling is turned On during the day scheduled On mode Never High Speed Fan will remain at low speed during all cooling during the day scheduled On mode Always High Speed Fan will run at high speed any time any cooling is called for during the night scheduled Off mode With Stage One Fan will shift to Hi speed when the first stage of cooling is turned On during the night scheduled Off mode With Stage Two Fan will shift to Hi speed when the second stage of cooling is turned On during the night scheduled Off mode With Stage Three Fan will shift to Hi speed when the third stage of cooling is turned On during the night scheduled Off mode With Stage Four Fan will shift to Hi speed when the fourth stage of cooling is turned On during the night scheduled Off mode Never High Speed Fan will remain at low speed during all cooling during the night scheduled Off mode 74 Heating Fans Days Heating Fans Night Always High Speed These options only apply if Lo Hi
17. Heat Stages Unequipped One Sets up an output for one stage of heating aux heat A maximum of four stages of auxiliary heat are possible options below Two Three Four Dehumidify Stages Unequipped One Provides dehumidification either through the cooling stages specified above or through separate relays if specified on an earlier option screen screen 1 Two Three Four Note Remember that a maximum of 12 total relays for the fan and all stages of heating and cooling and damper are available within one task If you exceed this number combine stages to fit within limits Use the side keys to set each option When all are set as desired press Enter to move to the next screen Fan Control Cooling Fans Days Lrg Pkg Options 4 screen 4 Always On The fan will run at all times unless set up for phase loss or several other safety options On Demand Fan only runs when there is a call for cooling heating or dehumidification Automatic mode on Tstat On Days Demand Nights Fan runs continuously during the day mode schedule and runs during the night mode only when heating cooling or dehumidification is needed Always High Speed These options only apply if Lo Hi two speed fan operation was selected on a prior option screen Fan will run at high speed any time any cooling is called for during the day scheduled On mode 73 Cooling Fans Night With Stage One
18. Rise with name change Turn on if greater than Same as Relay on Rise with name change Turn on if greater than Same as Relay on Rise with name change Turn on if greater than Same as Relay on Rise with name change Transfer to Globals Sets up an analog input and an analog output to transfer any physical analog input on one MCS 4000 controller to any other controller s via the global bus COM5002 or 6000 Advantage Board and point addresses 17 1 to 20 8 are used for this global transfer process Transfer to Globals Sets up a digital input and a relay output to transfer any physical digital input on one MCS 4000 controller to any other controller s via the global bus COM5002 or 6000 Advantage Board and point addresses 17 1 to 20 8 are used for this global transfer process Transfer to Globals Computes dewpoint from RH and Zone sensor inputs Sets up an analog output to transfer the result to any desired global input 20 Abs Humidity Enthalpy Wet Bulb Special Purp Ro on rise RO on fall Analog out RO on rise4 RO on fall Analog out RO rise w L RO fall w L Transfer to Globals Computes Absolute Humidity from RH and Zone sensor inputs Sets up an analog output to transfer the result to any desired global input Transfer to Globals Computes Enthalpy from RH and Zone sensor inputs Sets up an analog output to transfer the result to any desired global input Transfer to
19. Same screens apply as for RO on Rise with the default Type of Input set to Misc Oil Bypass Task Same screens apply as for RO on Rise with the default Type of Input set to Misc Oil Fans Task Same screens apply as for RO on Rise with the default Type of Input set to Misc 37 Glycol Fans Task Same screens apply as for RO on Rise with the default Type of Input set to Misc RO rise w L Task Same screens apply as for RO on Rise with the default Type of Input set to Misc RO fall w L Task Same screens apply as for RO on Rise with the default Type of Input set to Misc 38 Rack Library The Rack Library is structured to control all facets of a modern refrigeration rack including compressor control condenser control circuit temperature and defrost control A Rack is defined as a common refrigerant system that may have up to 4 multi compressor suction groups but only one discharge pressure Oil failure and discharge temperature control may be provided based upon specific compressor makes Compressor Grp Used to control a group of parallel compressors all operating at the same suction pressure either even or uneven in size A maximum of 8 relays are provided to control compressors and their unloaders in any combination All ancillary functions associated with compressor control monitoring and alarms are provided including direct oil failure control if desired The screens associated with the set up of a Compressor G
20. Sets up a digital input that will put the circuit in Day mode schedule On for the override time specified in Screen 6 when the DI is On push button switch Start Stop DI s Provides a digital input for a push button switch to put in the Day mode and a second DI that will cancel the override timer Demand Group Unequipped One Assigns task to the first demand control group Note this option only used if doing demand control Two Assigns task to demand control group two Three Assigns task to demand control group three Four Assigns task to demand control group four Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task LIGHTING screen 3 SPARE Spare Circuit BAKERY PREP BAKERY SALES BAKERY BAKERY DELI Sales This screen lists 78 names that can be used to initially name the lighting circuit it has no other function This name can be modified with EZSET2 or through the ADV 6000 and then the program with customized names can be downloaded to the 4K Select the desired name with the left side key more pages can be reached with the down arrow then press Enter to move on to the next screen Escape returns you to the previous screen Cancel aborts the Task set up ZONE USAGE screen 4 Zone Relays Zone Relays 1 g
21. daisy chain pattern Each board must be addressed by setting the rotary switch 0 to F which corresponds to 1 to 16 located on each board Boards must be addressed starting at 0 board 1 and proceed in order up to the maximum number of each type Global Bus w COM 5002 The Global bus must be wired when the optional COM 5002 or 6000 Advantage is used Each MCS 4000 is connected via the global bus to the COM 5002 and 6000 in the same manner as the boards are connected to a 4000 One COM 5002 or 6000 will support up to 16 MCS 4000s Each 4000 must then have its address DIP switch set 5 4000 CPU BOARD SWITCH UP OFF OPEN SWITCH DOWN ON CLOSED SWITCHES 1 THRU SELECT THE THe ADDRESS OF MCS 4000 SWITCH SET TO DN GOWN For b BOODCON SDFTWARE ba SWITCH SET TO OFF UP FOR B000SCOM AND ADV6OO0 SOFTWARE NOU UIN NUMBERS NUMBERS SWTGH SET TO ON GOWN FOR STANDARD MEMORY ON SWITCH ON BOARD REFER TO T 5 3 FOR CONVERTING FROM STANDARD TO EXTENDED MEMORY CAUTION DUISREGARD NUMBER ON SWITCH SET BY NUNBERS ON BOARD SET SWITCH 8 TO ON OWN POSITION NOTE LOCAL ALARM WILL NOT WORK IN DN POSITION CONFIDENTIAL PROPRIETARY ON ON ON OFF OFF OFF OFF OFF OFT OFF OFF ON UNA MORE USE DR DISRLDUKE OF ME COWEN IS STRGTLY ON N GN N ON ON Of OF OFF a OF Q OF ON s Ton Ton oN Ton ON ony
22. falls to the Oil PSI Trip Level for the specified delay period Unequipped Rack Alm Only Provides a digital input and alarm to indicate a high discharge temp condition Compr Alm Only Provides a digital input and alarm for each compressor to alarm on high discharge temp condition Digital Shutdown same as above but turns compressor off if it s digital input high discharge temp control trips Analog Shutdown Provides an analog input for each compressor to connect a Com Trol high temp sensor to Shuts off compressor when control setpoint is reached This event is logged alarmed Compressor Rotate Unequipped Demand Cooling Equipped Only applies if all compressors are of equal capacity Sets flag that will equalize cycles on all compressors Unequipped Equipped Provides a digital input for each compressor that has an unloader or is variable speed Compressor is forced to fully loaded condition all unloaders ON or if VS runs at full speed when the digital input is On Tied to the Copeland demand cooling control auxiliary contact Use the side keys to set all options then press Enter to move on the next screen 97 Compressor Type Singles Options screen 4 Singles Provides one control output for the compressor Single Unldr Provides two control outputs one for the compressor and one for it s unloader and the appropriate control mechanisms Twin Sets up two control outputs
23. following information is provided to assist the first time user with the basic operations associated with the MCS 4000 For further information refer to the Users Manual and Installation Prints Keypads The 4000 has two keypads that are part of the front panel overlay refer to Appendix A Figure 1 The top keypad consists of 14 keys 7 on each side of the LCD Each of these keys points to two lines on the display These keys are used to select the desired item displayed on the LCD screen the item indicates selection when it is placed in inverse video blue lettering with white background Sometimes these keys will be used to toggle options in the setup procedure The lower keypad consists of 20 keys that include the numerical keys 0 to 9 a decimal point a minus or dash the 4 directional arrow keys the HELP key the ESCAPE key normally used to backup between menus or exit screens the CANCEL key used to acknowledge alarms and to cancel an entry and the ENTER key which normally acts to save the entry Normal usage requires the pressing of the appropriate side key on the upper keyboard to select a menu choice then pressing ENTER on the lower keyboard to activate the choice KEY instructions for each screen are given on the next to the bottom line and on the HELP screens Activating The Display The liquid crystal display LCD on the 4000 has an automatic shut off feature that turns off the display back light if no keys are pr
24. for the fan air flow proof as a safety Heating and cooling are not allowed if the fan air flow monitor is off Fan Only Provides a digital input for the fan air flow proof safety mechanisms Fan amp Cooling Provides a digital input for the fan air flow proof safety mechanisms and an input for each stage of cooling Fan amp Heating Provides a digital input for the fan air flow proof safety mechanisms and an input for each stage of heating Fan Heat amp Cool Provides a digital input for the fan air flow proof safety mechanisms and an input for each stage of cooling and heating Schedule Mode 24 hr scheduled Sets up a fixed schedule for 24 hours operation may be changed at any time Day Nite store hours Sets up a relative schedule based upon Store Hours schedule Zone Control Method Averaged If multiple zone sensors or a single zone sensor are present the average of all zone sensors is used for control Low High Zone Not applicable 87 Use the side keys to set each option When all are set as desired press Enter to move to the next screen RTU Pkg Options 1 screen 2 Fan Configuration Damper Configuration Cooling Stages Heating Stages Single Fan Provides an output for control of a single fan Unequipped Unequipped Equipped Provides and output for control of a damper on a scheduled basis day night One Sets up one output for control of one stage
25. is moving PROBE Term normally used to refer to a temperature sensor PROMPT A statement or a question usually presented at the bottom of a CRT screen to cue th operator as to what to do next PSI Pound per Square Inch U S unit of measure for pressure RACK Normally refers to refrigeration system that consists of multiple compressors connect to a common suction manifold RAM Random Access Memory the storage medium chips used for temporary data storag in control systems and computers RELATIVE HUMIDITY A measurement of the amount of moisture in the air as compared tot he amount of moisture the air could hold before becoming saturated expressed as a percentage RELAY OUTPUT DIGITAL OUTPUT The control output which turns a device on or off RIBBON CABLE A cable of multiple wires that is manufactured so that it is flat with the wires running side by side connected together by the jacket HS 232C A standardized communications format that is normally used with microprocessor control systems for connections with modems printers terminals and computers RS 485 A standardized communications format used in control systems Normally used for b applications in Com Trol systems RTU Roof Top Unit a packaged heating and or cooling unit mounted on the roof of the facility SENSOR Normally refers to a temperature measuring device such as a thermistor RTD or thermocouple which provides an analog input signal to the contr
26. of cooling Two Sets up two outputs for control of two stages of cooling Unequipped One Sets up one output for control of one stage of heating Two Sets up two outputs for control of two stages of heating Unequipped Use the side keys to set each option When all are set as desired press Enter to move to the next screen RTU Pkg Options 3 screen 3 Fan Control Always On The fan will run at all times unless set up for phase loss or several other safety option 88 On Demand Fan only runs when there is a call for cooling heating or dehumidification Automatic mode on Tstat On Days Demand Nights Fan runs continuously during the day mode schedule and runs during the night mode only when heating cooling or dehumidification is needed Supply Air Sensor Unequipped Equipped Provides an analog input for a supply air sensor this is for monitoring purposes only Return Air Sensor Unequipped Mixed Freeze Sensor Equipped Provides an analog input for a return air sensor this is for monitoring purposes only Unequipped Assign New Sensor Provides an analog input that will be used to provide freeze protection the cooling will be turned off if the freeze setpoint is reached Mixed Air Provides an analog input to monitor the mixed air temperature no control function Both Provides both a mixed air sensor for monitoring and another sensor input that will
27. one hour Note When you are downloading a setup program into the 4k you will see it go to the stopped mode for the duration of the download then return to running Miscellaneous The Miscellaneous menu selection provides access to the following items Set Time covered previously see page xx Edit Passwords change passwords see page xx Set up Graphs change graphing set up point offset amp scale Graph Interval change graph logging interval Alarm Enables provides access to the alarm enables screen This includes setting up the desired alarming for Lost Boards Sensor Fail Oil Failure Discharge Temp Abnormal Termination Sw Override Sw Overtime and Override Clear Program Memory Clears entire setup program do not use this function unless you intend to perform the setup again or have a new program to download Requires high level password Clear Alarm Events Clears out alarm history log last 40 events Requires top level password Defrost Time Map displays a graphical representation of all defrost schedules view only 40 Set up Graphs The graph setup can be reached two ways either through the menus or by pressing enter when you are viewing a graph or from the Main Menu select Miscellaneous with the side key and press Enter Next select Setup Graphs with the side key and press Enter The following screen will appear Graphing Parameters Pnt1 Pnt2 Pnt3 Pnt4 Pnt5 Type Ai Ai Ai Ai Ai P
28. only applies if oil failure control was selected in the Setup process Abnormal Term Indicates that an abnormal defrost termination has taken place on a temp defr circuit This includes terminating at the 2096 minimum of failsafe time termination at failsafe where temperature or Klixon termination was specified and any Emergency Defrosts that were activated Sw Override indicates that a relay override switch if boards are so equipped has been placed in the override On or Off position or the switch override has been removed 42 Sw Overtime not used at present I O Override indicates that a relay has been placed in override On or Off via software not the switch or that the software override has been removed The Alarm Enables screen appears as follows Alarm Enables Type 123L Type 123L Lost Boards ANNA AbnormTerm NNNN Sensor Fail ANNA Sw Override NNNN Oil Failure ANNA Sw Overtime NNNN Dischg Temp ANNA IO Override To change the Alarm Enables settings press the side key aligned with the desire Type then type in four numbers in sequence where 1 2 L 32M amp 4 A For example ANNN 1114 and ANNA 4114 N no alarm action L log the event only M dial out morning only and A take alarm action dial out and or local as specified Press Enter Note These Alarm Enables settings apply globally to all applicable items on the selected MCS 4000 Defrost Time Map The Defrost Time Map i
29. select the desired Suction Temp then press Enter Compressor Options screen 3 Compr Monitors Low Refrig Inp Compr Oil Failure Equipped Provides a digital input for each compressor later specified for a proof feedback indication alarm Normally connected to the load side of the compressor contactor or to auxiliary contacts pilot relays or current sensing relays Works in conjunction with the control relay to proof whether the compressor is following the control commands Unequipped Unequipped Digital Sets up a digital input and alarm to indicate when the receiver refrigerant level is too low Works with a float switch Analog Provides an analog input and alarm for low refrigerant indication Works with devices such as the Hansen liquid level sensor Unequipped Rack Alm Only Provides one digital input and alarm to indicate that there is an oil failure condition on one of the compressors Can also be used to indicate a general rack alarm as a function of what the rack manufacturer designs into it Compr Alm Only Same as above but provides a digital input for each compressor later specified Digital Shutdown Same as above but turns off compressor relay when its digital input turns on 96 Discharge Temp Analog Shutdown Provides one analog input for each compressor to measure oil pressure with a Johnson oil failure control transducer Compressor will be shut off when the pressure
30. the PID will operate when the pressure is 51 165 or less and 175 or higher Control Input Head PSI Head pressure will be used for the control input Ambient Temp Ambient outside temperature will be used for control PSl Ambient Modified Uses a combination of head pressure converted to condensing temperature and outside temperature for control The target pressure condensing temp is changed as the ambient changes based upon a TD setpoint interstage diff the TD being added to the ambient temp Maximum and minimum targets are used to limit the target pressure PanWater Temp Sets up an analog input for panwater temp to be used for control PSI Temp Modified Same as PSl Ambient option but allows user to use a different input from ambient which is a global input Normally used with wetbulb temp for evaporative condensers Separate Head Input Unequipped Equipped Sets up another analog input rather than using the head PSI which is a global analog input Normally used with a transducer located on the drop led side of the condenser Variable Speed Fan Unequipped Equipped Sets up the I O and control strategies necessary for variable speed control of condenser fan s This includes 3 relays stop start reset and bypass 3 digital inputs proof inverter fault and bypass switch and the analog output Overrides two speed option Analog Damper Unequipped Equipped Provides and analog output to con
31. time in minutes that the heat would be turned On if the Override Schedule Input option was selected and the digital input was activated by a push button switch Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen 83 Large Pkg 01 Cen 01 screen 13 Aux Ht Inhibit Temp 8 0 64 0 Temp 65 0 Temp 65 0 Temp 0 0 72 0 Night Mode Offset The amount that will be subtracted from the System setpoint during the night mode to based the aux heat offsets against Normal Outside Lockout The temperature of the ambient outdoor air above which the aux heat will not be allowed to operate during the day scheduled on mode Night Mode Lockout The temperature of the ambient outdoor air above which the aux heat will not be allowed to operate during the night scheduled off mode Demand Save Limit If demand control is being used sets the maximum amount that the aux heat setpoints may be lowered for demand control Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen Large Pkg 01 Cen 02 screen 14 Dehum Offsets Temp 55 00 Stage 1 The relative humidity or dewpoint value at which the first stage of dehumidification will be turned On Temp 60 0 Stage
32. x 35 0 F 5 0 F 30 0 F 10 0 F 25 0 F 15 0 F 20 0 F 20 0 F 15 0 F 25 0 F 10 0 F 30 0 F 5 0 F 35 0 F Selects the suction temperature which will in turn select the initial target suction pressure based upon the refrigerant chosen above This value can be changed on a later screen or anytime thereafter Value also sets LT or MT 20 and above that is appended to the default compressor task name Use the side key to select the desired Suction Temp then press Enter COMPRESSOR OPTIONS screen 4 Compr Monitors Equipped Provides a digital input for each compressor later specified for a proof feedback indication alarm Normally connected to the load side of the compressor contactor or to auxiliary contacts pilot relays or current sensing relays Works in conjunction with the control relay to proof whether the compressor is following the control commands 40 Low Refrig Inp Compr Oil Failure Discharge Temp Unequipped Unequipped Digital Sets up a digital input and alarm to indicate when the receiver refrigerant level is too low Works with a float switch Analog Provides an analog input and alarm for low refrigerant indication Works with devices such as the Hansen liquid level sensor Unequipped Rack Alm Only Provides one digital input and alarm to indicate that there is an oil failure condition on one of the compressors Can also be used to indicate a general rack alarm as a
33. 0 minutes Sets test interval timer to 30 minutes for above option 60 minutes Sets test interval timer to 60 minutes for above option 90 minutes Sets test interval timer to 90 minutes for above option 120 minutes Sets test interval timer to 120 minutes for above option Override Schedule Inp Setpoint Up Dwn Inps Unequipped Equipped Provides a digital input that will put HVAC in day mode Use push button switch Unequipped Equipped Provides two digital inputs One to temporarily raise the System setpoint one degree for each time the input is closed use push button switch up to 4 degrees and one two lower the System setpoint Reverts to previous setpoints at midnight Reserved for Future Unequipped Board Type Not used at this time Standard Assumes standard relay board for I O assignment RTU 6 Assumes RTU 6 board when doing automatic assignment Use the side keys to set each option When all are set as desired press Enter to move to the next screen Large Pkg 01 Cen 01 screen 7 System Setp s Temp 72 0 System Target Temperature The control setpoint against which all offsets are applied to arrive at the stage setpoints Provides a way to adjust all stage setpoint up or down by changing just one setpoint 78 Temp 2 0 Control Differential This value is subtracted or added to the stage setpoints to determine when they will turn off Mins 0 Sensor Delay Off The amoun
34. 00 00 00 00 0 0 00 00 00 00 0 0 00 00 00 00 0 0 00 00 00 00 0 0 00 00 00 00 0 0 00 00 00 00 0 39 This screen allows you to program up to 20 dates periods and assigns them to any one of 4 holiday Groups schedules Any task that has a schedule programmed with a Holiday type will follow that schedule while the Holiday date is active otherwise it will be turned OFF To program a Holiday Date first use the left right arrow keys to highlight the Grp heading the Group number must be entered first before it will accept any of the other entries Next use the side keys to highlight the line item Use the number keys to enter the Grp number 1 to 4 and press Enter Again use the left right arrow keys to highlight the Begin column Use the number keys to enter the month and day with a period or dash used to separate them i e 12 25 or 12 25 12 25 then press Enter Proceed in the same manner for the End of the Holiday date then the Year as 95 for 1995 If the Holiday is only for one day put the same date for Begin and End date Use up down arrows to get to the second page of 10 date entries if required Run Stop Monitor Caution Do not use this feature unless you know what you re doing If you place the 4K in the monitor mode it will stay that way until someone puts it back it will not be controlling any relays or analog outputs If placed in the stopped mode it will return to the running mode automatically in
35. 1 08 15 2 20 15 6 Comp03 Compr LT 01 07 13 15 14 55 32 Refr01 01 SDIC 08 31 1 22 50 2 Defr01 01 SDIC 00 30 1 01 00 2 The board number and board type RO8 SNGL HVAC CIO are given at the top left Pressing a down arrow will move you to the next board The relay point names are given in the first column followed by the Task Name The current date month day amp day of week and the day before are shown on the first screen Pressing a right arrow will move you back in time one day at a time Pressing the left arrow will move you to the oldest day in the log then forward in time from there it is a circular log The runtime followed by the cycles are listed under each date For the current day it is the runtime and cycles thus far in the day Note If a digital proof input exists for the relay point then the displayed information for the runtime is from the digital input the cycle count is still from the relay Graphs The MCS 4000 logs all inputs and outputs at the selected interval 6 sec to 2 hours Up to 32 graphs may be set up to display this information At initial set up the 4K automatically selects the first 32 analog inputs and sets up graphs for them The graph set up may then be changed at anytime to the desired points All point types may be graphed The number of logging samples is determined by the memory option purchased The standard memory provides 143 samples for every point The maximum is 588 standard on produ
36. 2 The relative humidity or dewpoint value at which the second stage of dehumidification will be turned On Temp 65 0 Stage3 The relative humidity or dewpoint value at which the third stage of dehumidification will be turned On Temp 70 0 Stage 4 The relative humidity or dewpoint value at which the fourth stage of dehumidification will be turned On 84 Temp 65 0 Low Zone temp safety The zone temperature below which the dehumidification will be shut off to prevent overcooling the space Temp 50 0 Fan Minimum Setp The minimum speed that a VS fan will be allowed to run during dehumidification If cooling or heating is required during dehumidification and they require a higher speed they will override this value Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen If Cooling and or Heating Valves where selected the following screens would appear for each category Large Pkg 02 Cen 02 screen 15 Cooling Valve Temp 4 0 76 0 Fully Closed If valve control was selected earlier provides setpoint at which the valve is to be fully closed Temp 5 0 77 0 Fully Opened If valve control was selected earlier provides setpoint at which the valve is to be fully open A linear ramp is provided between these two setpoints Temp 2 0 74 0 Fan Minimum Setp The offset from the fully closed se
37. C P01 06 06 FZBX 02 02 SDFF S01 Etc 03 03 SDFF 04 04 RIFF 05 05 RIFF Primary Secondary To make the float assignment highlight the desired circuit lowest required suction psi with the side keys then type in the compressor group number it will be in the bottom middle of the screen then press the next to the bottom left or right side keys that say Primary and Secondary as desired A 01 will be placed after the circuit chosen for the primary float circuit and a SO1 for the secondary float group The float up and down limits are set from another menu selection see next section Press the down arrow to see more circuits if the screen is full Float Limits This screen allows the user to select the amount that the suction pressure target will be allowed to be raised or lowered if a float temp defr circuit has been assigned for floating suction control From the Main Menu select Task Settings with the side key and press Enter Next select Float Limits with the side key and press Enter A list of all the Compressor Tasks groups will be displayed Select the desired group with the side key and press Enter This will bring up the following screen 35 HIGH Float Limits in PSI LOW Zero 0 Zero 0 One 1 One 1 Three 3 Three 3 Five 5 Five 5 Seven 47 Seven 7 Ten 10 Ten 10 The High Limit value is added to the Initial Target pressure to arrive a
38. Comp2 1 Off Off 28 5 85 0 87 2 Comp3 1 On On 57 196 99 9 99 9 More Pnts Enter nexttsk lt gt More Data Rack 1 334 Running 01 8 10 95 06 10 33 The top line gives the name of the Task either default or as customized with Ezset2 and downloaded The second line displays the Mode which is the current operating state of the task varies by task and Alarm which indicates Clear Timing or In Alarm These give you basic status at a glance The third line down to the dotted line displays various input and set point information The information displayed here varies depending upon the task type and the options that were selected during the setup programming process For the example compressor task status screen they are as follows Suction PSI The current suction pressure Sat Suction The equivalent saturated suction temperature based on the suction pressure and the refrigerant specified during set up Initial Tgt The initial target suction pressure may float up or down if a float temp defr circuit was specified See Float Assignment Current Tgt The current target pressure which takes into account the float assignment value Float TmpAvg The current float circuits average temperature Used in conjunction with the Float Target to determine the offset applied to the target pressure Float Tgt The target float temperature taken from the temp defr circuit that is being used for the float process
39. DCAL BUSS TERMINATION COMMUNICATION TERMINATION ROTARY SWITCH FOR SELECTING BOARD NUMBER ADDRESS NUNBER ACTIVITY LED STATUS LED 01 01 STATUS LED Di 02 STATUS LED 01 03 STATUS LED Di 04 POWER FUSES 3 AMPS STATUS LED RD Q1 STATUS LED RO 02 STATUS LED RD D3 STATUS LED RO 04 ANALOG INPUTS SWITCHES 8 NPUTS FOR SELECTING TYPE OF INPUT DEVICE JUMPERS FOR SELECTING N O OR N C CONTACT FOR EACH RO POINT DIGITAL INPUTS 4 NPUTS 250VAC MAXIMUM OUTPUT FUSES RO RD 2 n KH MCS 4000 PULSE MODULATED OUTPUT CARD 24VAC POWER LOCAL BUSS TERMINATION COMMUNICATION TERMINATION ROTARY SWITCH FOR SELECTING BOARD NUMBER ADDRESS NUMBER ACTIMTY LED STATUS LED SSRO STATUS LED SSRO2 STATUS LED SSROX STATUS LED SSRO4 POWER FUSES 3 AMPS DUTPUT FUSE 3 SPARE FUSE PULSED OUTPUTS 1 4 OUTPUTS SPARE FUSES 3 AMPS 10 DEFINITION OF TERMS AHU Air Handling Unit generally refers to a centralized HVAC system mounted inside the facility ALGORITHM A set of control instructions that are usually involved and repetitious which takes information from inputs outputs time etc and arrives at decisions to turn on off or modulate the relay analog outputs ANALOG INPUT A continuously variable as opposed to on off signal input to the control system suc as temperature or pressure BATTERY BACK RAM Random Access Memory that
40. EZSET2 if desired SENSOR COUNT screen 5 Cnt 1 Supply Air Sensors Determines the number of supply air sensors desired 58 Cnt Cnt Cnt Nmbr Nmbr Maximum of 12 Termination Sensors Determines number of digital inputs provided for Klixons or termination stats Maximum of 12 Normally use one and wire stats in series Frost Sensors Not currently available future control of defrost initiation by a frost sensor Door Sensors Provides digital input s maximum of 12 for alarm control as specified previously Ckt Number Enter the circuit number designation to match the rack RS numbering Automatically increments based upon previous circuit but you may change as desired Assoc CMPR Group Number Indicates which suction group the circuits are associated with Not necessary to change unless multiple hot gas pressure differential valves are present Used with Single Condensing Unit to match defrost circuit with corresponding single compressor Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen TEMPERATURE screen 6 Setp Setp Setp Setp 22 0 2 0 37 0 0 0 Circuit Setpoint If solenoid control selected determines when refrigeration relay will be turned on Control Differential Is solenoid control selected determines when refrigeration relay will be turned off value is s
41. Globals Computes Wet bulb from RH and Zone sensor inputs Sets up an analog output to transfer the result to any desired global input Special Purpose A special control algorithm contact Com Trol for details Turn on if previous low Special purpose don t use Turn on if previous low Special purpose don t use Analog out previous low Special purpose don t use Turn on if previous high Special purpose don t use Turn on if previous high Special purpose don t use Analog out previous high Special purpose don t use On if w inhibit Sets up a relay and two analog inputs The first analog input is compared to a setpoint and deadband for On Off control like RO on Rise The second analog input is used to lock the relay off if the input value is greater than the Inhibit setpoint On if w inhibit Like RO rise w L above but the relay is turned on when the first input value falls below the setpoint 21 Alarm 1 Alarm 2 Gas Revr 1 Gas Rcvr 2 Compr Float Analog pump High in set Low in set Light Only No reset 6k Sets up a relay output for a system using the 6000 Advantage to attach to an alarm device bell or light Light Sound Reset 6k Sets up two relays and a digital input for a system using the 6000 Advantage to attach to the Com Trol remote alarm panel with light buzzer and push button silence switch Press temp difference Used for contro
42. L INPUTS SPARE FUSES 8 INPUTS 3 AMPS DRY CONTACTS ONLY MCS 4000 CIO CARD 24NAC POWER TERMINATION LOCAL BUSS CONMUNICATION TERMINATION ROTARY SWITCH FOR SELECTING BOARD NUNBER XAUDRESS NUNBER ACTIVITY LED STATUS LED RO d1 STATUS LED RO 02 STATUS LED RO 03 STATUS LED RO 04 POWER FUSES 3 AMPS STATUS LED 05 JUMPER FOR SELECTING BOARD S ANALOG NPUTS ONLY OR ANALOG amp DICITAL INPUTS STATUS LED RO 06 STATUS LED RO 07 STATUS LED RO 08 ANALOG INPUTS 8 INPUTS DIP SWITCHES FOR SELECTNG TYPE OF INPUT DEMCE JUMPERS FOR SELECTING N D CONTACT FOR EACH RO POINT 4 RO CONTROL OUTPUTS t OUTPUT FUSES 3 ANPS 250 MAXIMUM Ra 4 3 RO r 5 M C AMPS GHG GF FO FH gH G WK annie MCS 4000 RTU CARD LOCAL BUSS COMMUNICATION TERMNATION 24VAC POWER TERMINATION ROTARY SWITCH FOR SELECTING BOARD NUMBER ADDRESS NUMBER ACTIVITY LED JUMPER FOR SELECTING BOARD AS ANALOG INPUTS ONLY OR ANALOG amp DIGITAL INPUTS POWER FUSES 3 5 ANALOG INPUTS DIP SWITCHES 8 INPUTS FOR SELECTING TYPE OF INPUT DEVICE ANALOG OUTPUT SV OR 10V JUMPERS FOR SELECTING OR N C CONTACT EACH RO POINT CONTROL OUTPUT FUSES S AMPS RO CONTROL OUTPUTS 250VAC MAXIMUM k WES MCS 4000 SINGLES I O CARD 24VAC POWER L
43. MCS 4000 USERS MANUAL Red text indicates object links Clicking on the text takes you to that portion of the manual INDEX SECTION 1 Page INTRODUCTION 3 INSTALLATION Location Mounting 9 Transformer 10 Grounding 10 Local I O Bus 10 Global w Com 5002 10 Sensors amp Accessories 11 Relay 8 11 Digital Input 8 11 Analog Input 8 or 16 11 Analog Out 4 13 RTU Board 13 Singles Board 13 CIO Board 13 Pulse Modulated Output Board 13 BASIC INFORMATION amp OPERATIONS Getting Started 14 Keypads 14 Activating the Display 14 Adjusting the Display Viewing Angle 15 Screen Layout 15 Help 15 Setup 15 Passwords 16 Changing a Sensor Type 16 Board Numbering System Addressing 17 Setting Board Types 18 Assignment 18 I O Overrides 19 Analog Offsets 20 Inversion 20 Alarms 21 Setting the Clock 22 Setting the MCS 4000 Address Switch 22 Configuring the System 22 MCS 4000 USERS MANUAL INDEX CONT USING THE SYSTEM Task Status Summaries Alarm History Runtime History Graphs Task Settings Task Setpoints Analog Alarms Digital Alarms Float Assignments Float Limits Setup Menu I O Menu Board Status Schedules Run Stop Monitor Miscellaneous Set up Graphs Graph Interval Alarm Enables Defrost Time Map Schedule Overrides Emergency Defrost SECTION 2 MCS 4000 SETUP Introduction Tasks Common to All Libraries Rack Library HVAC Library SNGL Library CSTR Library Tasks Common to All Libraries Anti Sweat Group Lighti
44. Monitors Split Stages Split Control Board Type Unequipped Equipped Provides a digital input for each fan stage selected to monitor proof the fans Works in conjunction with each fan stage relay Alarms created if proof DI does not match the control relay state Unequipped One Provides one relay for split condenser control Relay is turned off when selected control input goes below the split setpoint Two Same as above but provides two split relays stages Three Same as above with three relays stages Four Same as above with four split relays Note split relays are turned off if the High Head Safety value is reached Ambient Provides an analog input if ambient temp not already set up elsewhere and controls the split based upon ambient outside temperature Drop Leg Provides an analog input if not already set up elsewhere and controls the split based upon drop leg temperature Standard Assumes that a standard RO 8 is being used for the outputs for the condenser and will let the Pack Tight or Skip by Task options work as selected when doing the Auto I O Assignment If any of the other board types are selected will only put the condenser I O on the specified board type i e the pack tight option is ignored for the condenser 50 RTU 6 Selects and RTU 6 board for the condenser I O Assumes that this I O will be remoted in the Condenser Control panel Single Selec
45. NPUT SIGNALS HIGH IMPEDANCE FOR ANALOG INPUTS SW _ SW finan anno erem m Yyyy HM uu ui 2 SWITCHES FOR EACH ANALOG FOUR OPTIONS FOR EACH AI POINT UP ON CLOSED DDWN OFF OPEN 157 SWITCH UP ON 2ND SWITCH LP UN OPTON 2 ON 1ST SWITCH UP ON 2ND SWITCH DOWN OFF 1 OPTON 3 1ST SWITCH DOWN OFF 2ND SWITCH UP ON DPNDN 157 SWITCH DOWN OFF 2ND SWITCH DOWN OFF SW We TUE iii n 2 lt T 4 Ar15 T gt Al 16 2 3 TYPE OF SENSOR STANDARU CON TROL SENSORS TEMP SENSOR LIGHT SENSOR RELATIVE HUMDITY SENSOR PRESSURE TRANSDUCER ETC 10K THERMISTORS CPC DIGITAL INPUTS DRY CONTACT MARGAUX QUEST TEMP PROBES AD590 USE 12N amp INPUT WITH POLARITY SELECT MARGAUX SENSOR TYPE HIGH IMPEDANCE DEVICES HANSEN LIQUID LEVEL ECLIPSE TRANSDUCER 5V COM TROL FREON SENSOR PARKER MOISTURE SENSOR ALL 4 20MA INPUT SIGNALS HIGH IMPEDANCE Note These switches are found on all I O boards with analog digital input capabilities and there are two switches per input Note There is a 12vdc and 5vdc terminal on alternating connectors The 5vdc terminal is used with the Eclipse Transducer used 12 Make sure the correct voltage source is being Analog Output 4 The analog output board will drive from one to four devices There is a jumper
46. SS TERNINATION COMNUNICATION TERMINATION ROTARY SWITCH FOR SELECTING BOARD NUMBER ADDRESS NUMBER ACTIVITY LED STATUS LED 1 STATUS LED 4 POWER FUSES BYPASS SWTCH 44 lt 3 5 STATUS LED 45 BYPASS SWITCH 5 eC OUTPUT FUSE 3 AMPS TYPICAL FOR 8 OUTPUTS CONTROL OUTPUTS 250 MAXIMUM SPARE FUSES 3 ANPS MCS 4000 DIGITAL INPUT CARD 8 CH 24 POWER LOCAL BUSS TERMINATION COMNUNICATION TERMINATION ROTARY SWITCH FOR SELECTING BOARD NUMBER ADDRESS NUMBER ACTIVITY LED STATUS LED 1 STATUS LED 42 STATUS LED 3 STATUS LED 44 POWER FUSES 3 NPS STATUS LED 5 STATUS LED 46 STATUS LED 7 STATUS LED 8 DIGITAL INPUTS 250VAC MAXIMUM SPARE FUSES 3 AMPS MCS 4000 ANALOG INPUT CARD 16 CH 24VAC POWER LOCAL BUSS TERMINA TION COMMUNICATION TERMINATI ON ROTARY SWITCH FOR SELECTING BOARD NUMBER ADDRESS NUMBER ACTIMTY LED JUMPER FDR SELECTING BDARD AS ANALOG INPUTS ONLY OR ANALOG amp DIGITAL INPUTS POWER FUSES 3 AMPS ANALDB INPUTS SWITCHES 18 INPUTS FOR SELECTING TYPE OF INPUT DEVICE SPARE FUSES 3 AMPS MCS 4000 AUDI CARD 24VAG POWER LOCAL BUSS TERMINATION COMNUNICATION TERMINATION ROTARY SMTCH FOR SELECTING BOARD NUMBER ADORESS NUNBER ACTIVITY LED POWER FUSES 3 AMPS o o o ANALOG INPUTS DIP SWITCHES 16 INPUTS FOR SELECTNG TYPE OF NPUT DEVICE DIGITA
47. Suction Group Association screen 2 Nmbr 1 Time 1 Suction Group Selects which suction group 1 4 that will be flagged to keep at least one compressor running during hot gas defrosts Delay Time Sets the amount of time minutes that the Hot Gas relay will remain On after the HG defrost is terminated Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task This completes the set up of a MHGas Valve Task RO On Rise Task Control Options screen 2 of Stages Inputs One Scheduled Two Three Four Can have from one to four relays stages each with their own setpoint amp common deadband Five Not available max of 4 relays stages Six Not available max of 4 relays stages No Yes Sets up a schedule that will allow control when scheduled On and will shut off relay when scheduled Off 27 Type of Input Misc Difference Sets up two analog inputs and subtracts the value Of the second from the first and uses this as the control input value Liquid Tmp Drop Leg Sniffer Selects sensor type for control input If using Misc make sure you set the proper sensor type when assigning the input so that proper scaling will be achieved defaults to reg Com Trol temp sensor Liquid Lvl Use the side keys to set all options then pre
48. Temp 0 0 Nmbr 1 Override Sets the schedule override timer value for the Override Schedule Inp option on screen 2 Demand Save Limit Sets the demand limit offset value at which the lighting circuit will turn Off for demand control when used Schedule Group Sets the schedule group that this circuit is assigned to unless changed each task that has schedule control will be assigned to its own group in the sequence programmed This may be changed at any time however assigning multiple tasks to a given schedule group If changes to these set points are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the programming of a Lighting Group Task Unit Heaters Exhaust Fans UNIT HTR EXH FAN OPTIONS screen 1 Digital Monitors Unequipped Equipped Assigns a digital input to monitor the operation of the unit heater or exhaust fan Schedule mode 24 hr scheduled Sets up a fixed schedule for 24 hours operation may be changed at any time Day Nite store hours Sets up a relative schedule based upon Store Hours schedule Circuit s are Unit Heater s Sets up task to control a unit heater Exhaust Fan s Sets up task to control an exhaust fan Use the side keys to set all options then press Enter to move on to the next screen Cancel aborts the set up of the current Task OVERRIDE OPTIONS
49. This screen shows setpoints for selected oil failure disch temp options for the current compressor group They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen COMPR GRP 01 CMP 01 screen 11 Desuperheater Freeze Temp 250 0 Desuperheat The temperature at which the desuperheater will be turned on Temp 3 0 Desup Deadband This value is subtracted from the Desuperheater setpoint above and determines when the desuperheater will turn off Temp 38 0 Freeze Protect If the analog input for water temp reaches this value all compressors will turn off NOTE This screen will only appear if the appropriate options were selected earlier This screen shows setpoints for selected options for the current compressor group They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen HIGH FLOAT LIMITS in PS LOW screen 12 Zero 0 Zero 0 One 1 One 1 Three 3 Three 3 Five 5 Five 5 x Seven 7 Seven 7 Ten 10 Ten 10 p This screen sets the Float Limits for this compressor group The limits default to 5 and 3 This means that the Target suction pressure is allowed to be raised or lower
50. XSMTWRFABC1234NZ 00 00 24 00 X 00 00 00 00 New Schedule The schedules group number is given at the top initially this is the same as the task number but may be changed To edit change a schedule use the left right arrow keys to highlight the desired field Next press the side keys to select the desired line schedule To enter a time use the numeric keys for hours and minutes then press Enter To edit Days of the Week use the left right arrow keys to highlight then select schedule with the side keys The left right arrow keys will now move you through the choices and the up down arrow keys will select or de select the choice The Days of Week choices are explained as follows X All days F Friday M Monday A Saturday T Tuesday S Sunday W Wednesday B Monday thru Friday R Thursday C Monday thru Saturday 1 2 3 amp 4 Holiday Group 1 2 3 4 N the inverse of the schedules off at From time On at To Time Z sets for Store Hour Related Note If store hour related schedules are used the From and To times as offsets to the store hours times i e 00 30 means 30 minutes before store hours and 00 30 means 30 minutes after store hours 38 Note When adding a new schedule highlight the new schedule line first then set desired days of week then set From To times Store Hours the open closed hours of the store used for relative scheduling From the Scheduling Menu select Store Hours and press
51. amp is provided between the Fan Minimum Sepoint and the resultant of this offset shown in parenthesis Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen 82 Large Pkg 01 Cen 01 screen 12 Aux Ht Offsets Temp 4 0 68 0 Temp 5 0 67 0 Temp 6 0 66 0 Tem 7 0 65 0 Temp 2 0 70 0 Mins 0 Stage 1 This value is subtracted from the System setpoint to determine the temperature at which the 1st stage of aux heat will be turned On The resultant setpoint is shown in parenthesis Stage 2 This value is subtracted from the System setpoint to determine the temperature at which the 2 stage of aux heat will be turned On The resultant setpoint is shown in parenthesis Stage 3 This value is subtracted from the System setpoint to determine the temperature at which the 3 stage of aux heat will be turned On The resultant setpoint is shown in parenthesis Stage 4 This value is subtracted from the System setpoint to determine the temperature at which the 4th stage of aux heat will be turned On The resultant setpoint is shown in parenthesis Fan Minimum Setpoint The offset from the first stage heat setpoint that the fan will start to ramp up from the minimum speed setting This offset is added to the first stage heat recovery setpoint Only applies to Variable Speed Override The
52. arm flashing light One alarm input is provided for remote silencing of the audible output Power requirements are 1 amp 115 230 volts AC fused user selectable at 50 60 Hz The environmental limitations are 32 F to 148 F 95 RH non condensing for the CPU This range is limited by the LCD display below these temperatures the LCD blinking speed will decrease and ultimate failure may occur above these temperatures it will turn black When the temperature drops below the upper limit the display will operate normally The I O boards are rated from 40 F to 150 F The transformer terminations module is located in the rear section of the enclosure or is provided separately Connections are provided for 230 115 VAC The MCS 4000 will operate over a voltage range of 90 volts to 245 volts Varistors are provided for surge suppression An additional terminal block is provided for field wiring connections for the alarm outputs inputs and for the local and global buses A dip switch is located on the CPU board to set the 4000 controller address and other options The viewing angle of the display may also be adjusted with a potentiometer located at the left side of the CPU board The MCS 4000 is mounted in a 10 25 x 12 x 4 5 in metal enclosure with a locking door It weighs 6 lbs The MCS 4000 can also be purchased on a surface mount frame without the enclosure or in a 2 5 deep enclosure for OEM mounting in existing cabinets These confi
53. ay Five Sets up five relays with one digital input for each relay Six Sets up six relays with one digital input for each relay Scheduled No Yes Sets up a schedule which will allow relay to follow DI when scheduled On and will shut off relay when scheduled Off 3l Type of Input Misc Difference Liquid Tmp DropLeg Sniffer Liquid Lvl Not applicable no analog inputs in this task type Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task AddOnCkt 01 Opt 01 screen 4 Mins 0 0 Hold Off Delay The amount of time the relay will be held off before turning on when DI turns On If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the set up of a RO and DI task Analog Out Task Control Options screen 2 of Stages Inputs One Only choice applicable to this task type Two Three Four Five Six Two six not applicable to this task type Scheduled No Yes Not applicable to this task type Type of Input Misc Selects sensor type for control input If use Misc make sure 32 you set the proper sensor type when assigning the input so that proper scaling will be achieved defaults to reg Com Tro
54. be used for the freeze protect function as indicated above Use the side keys to set each option When all are set as desired press Enter to move to the next screen RTU Pkg Options 5 screen 4 Evap Cond Interlock Unequipped Equipped Provides a digital input to connect to a switch that will keep all stages of cooling from running while the input is On Used as a service tool where the evap condenser has the HVAC circuits on it in addition to the refrigeration or if a separate evap is used for HVAC 89 Service Shutdown SW Unequipped Equipped Provides a digital input to connect a switch to that will shut down the fan and all stages when the input is On so filter service or other work may be performed Phase Loss Monitor Unequipped Equipped Provides a digital input for phase loss control shuts down the fan when the input is On which will cause all cooling and heating to turn off with loss of airflow proof Smoke Detector DI Unequipped Alarm Only Provides a digital input to connect to the smoke alarm contacts for alarm purposes only no control action System Shutdown Same as alarm only but shuts down the entire HVAC system Note Smoke sensor should also kill control power directly so as not to depend upon the 4K to provide the safety shutdown Filter Clogged DI Unequipped Alarm Only Provides a digital input to indicate dirty filters via a differential pressure switch System Shutdow
55. br 1 The outside temperature above which the Unit heater will not be allowed to run during the scheduled ON day mode period If Exhaust fan it s the temperature below which the exhaust fan would not be allowed to run Night Mode Lockout Same as above but during the Night mode scheduled Off period Override The time in minutes that the UH EXHFan will be placed in the Day mode if the Schedule Override Inp option was selected on screen 2 Schedule Group Sets the schedule group that this task is assigned to Unless changed each task that has schedule control will be assigned to its own group in the sequence programmed This may be changed at any time however assigning multiple tasks to a given schedule group If changes to these set points are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the set up of Unit Heater Exhaust fan Task Options Tasks There are 68 option tasks to choose from Ai Monitor Di Monitor MHGas Valve RO on rise RO on fall Ro and DI Analog out Subcooler No Control Monitor Only Provides analog inputs and alarms from selections given on subsequent screen No Control Monitor Only Provides digital inputs and alarms from selections given on subsequent screen Master Hot Gas Valve Sets up a relay that will be energized anytime a temp defr circu
56. cked fashion to reduce the area that the boards occupy Running a plastic gutter below or to the side of the boards produces a neat functional installation Wiring to the connectors should be neatly tie wrapped in groups that correspond to each removable connector This will enable the connectors to be removed more easily and keep the wiring flexible so that it can be moved out of the way when the board is removed from the rack If sufficient space is available they can also be ordered for flat mounting with stand offs already pressed into the board If the optional COM 5002 is being utilized it can be piggy backed to one of the 4000 units of the surface mount frame variety as long as sufficient depth is available or in the deep box or it may be mounted in a separate enclosure and be located where convenient Transformer The transformer for the I O boards is 24 volt center tapped and can operate up to five boards Only transformers supplied by Com Trol may be used Make sure that you wire the transformer as indicated on the installation prints Grounding Proper grounding is essential for reliable operation of electronic equipment Follow the installation prints for grounding Local I O Bus The local I O bus connects all the I O boards associated with one 4000 to it One 4000 can support a maximum of 64 I O boards 16 RO 16 DI 16 or 8 and 16 AO The bus is a 2 wire plus ground 22 gauge cable that may be run in a star or
57. creen 9 Head Safety PSI 350 0 High Safety The head discharge pressure at which compressors will be staged off every 6secs until all compressors are off or the pressure falls below the High Safety minus the Head Safety Deadband PSI 25 0 Head Safety Deadband This value is subtracted from the High Safety to determine the pressure at which compressors will be sequenced back on Pent 50 0 Var Spd Min The lowest speed percentage that a V8 compressor will be allowed to operate normally 5096 Applies to all VS compressors in the group 102 This screen shows the head safety and variable speed setpoints for the current compressor group They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen Sngl 401 Sgl 01 screen 10 Oil Failure PSI 10 0 Oil PSI Trip Level The pressure at which the oil fail timing will begin Secs 60 Oil Time Delay Sets the time out value when the associated compressor will be turned off Secs 30 Oil Inhibit Delay Sets the delay time that the compressor will be shut down before the next retry Cnt 0 Oil Retry Cnt Sets the number of retries permitted before the compressor is locked off when an oil failure condition has occurred Temp 250 0 Disc Temp Cutout The temperature at which the compressor will be shut down for protection on high discharge
58. ction solenoid Suct Gas Cooler Provides an analog output for pulse valve control Analog DeSup Provides an analog output for desuperheater control with a pulse type valve Unequipped Equipped Provides an analog input for water temp that will turn off all compressors within 6 sec for freeze protection used for chiller control to prevent heat exchanger damage Unequipped Equipped Sets up an automatic conversion transfer function takes the head pressure and converts it to the 99 Night Setup Temp Oil Level Switch Digital Inhibits saturated condensing temperature based upon the selected refrigerant and puts this value out on an analog output for local or global transfer to the 4k that has the multi circuit condenser task in it Unequipped Equipped Sets up a schedule that will change the target suction temperature by an amount specified later when the schedule says off This can be a positive or negative offset Unequipped Equipped Provides one digital input that will shut off the compressors when the input is on This is used for Carlyle screw compressors Unequipped One Provides one digital input which will cause all compressors in the group to shut down when the DI is ON Two same as above but provides two digital inputs Three same as above but provides three digital inputs Use the side keys to select all desired options then press Enter to move to the next Scre
59. cts shipped after 7 98 Note Even though any specific I O point may not be set up for graphing it is still being logged Thus simply changing the set up will bring up the stored data for that I O point Note You may go directly from any graph being viewed to its set up screen by pressing Enter while viewing that graph 30 A typical graph appears as follows Suction Compr Lt 01 1 100 0 5 50 0 5 5 __ 25 5 __ _ ___ 0 0 07 21 07 20 07 09 The point name task name and graph number are given on the top line Pressing a down arrow will move you to the next graph The current value is always shown on the scale at the left side even if it is out of range of the scale settings The graph will update at the selected interval while you are watching it The current time is at the left and proceeds back in time to the right pressing left right arrows will move you back in time The time at which you entered the graph is shown with the small rectangular block which provides a handy reference if you are observing the graph for some extended time See Set up Graphs for further information Task Settings This selection from the Main Menu provides access to parameters that may be changed b
60. d previously except select Analog Outs from the I O Menu Alarms Various alarms are created during the Setup programming routine These alarms may be altered or disabled by selecting Task Settings on the Main Menu with the side key then press Enter Next select Analog Alms or Digital Alms as appropriate with the side keys and press Enter Next select the Task side key from the task list screens that you want to modify alarms for and press Enter Use the left right side keys for the parameter you wish to alter type in the desired value and press Enter Press Enter again to move on to the next alarm associated with that task or keep pressing until you return to the task list When an alarm occurs the red LED at the lower right of the display just above the key lock will be ON and the horn will be sounding unless dip switch 8 is set to ON The horn may be silenced by pressing the CANCEL key while viewing the Alarm History which acknowledges the alarm The Red LED will stay on however until the alarm condition clears NOTE IF DIP SWITCH NUMBER 8 IS SET TO THE RIGHT THE 4K ALARM HORN WILL NOT SOUND AND IF A 5K2 IS PRESENT THE 5K2 HORN OUTPUT WILL NOT SOUND FOR ALARMS ON THAT PARTICULAR 4K THE ALARM LED ON THE 4K AND THE 5K2 ALARM LIGHT OUTPUT WILL OPERATE HOWEVER To view the alarm history select Alarm History on the Main Menu The most current alarm will be at the top of the list proceeding t
61. d Types If analogs are present on board types other than Al 8 the Board Type may be selected by selecting Task Settings with the side key on the Main Menu press Enter Next Select I O Menu with side key and press Enter Press the side key aligned with Board Types Press Enter You will be prompted for the high level password if not previously entered Use the arrow keys to move to the desired board address press the side key aligned with the reverse video Select menu item bottom right then use the up down arrow keys to rotate through the board types The choices Al 8 Al 16 RTU Sngl and CIO Stop on the desired type and then press Enter Continue until all Board Types have been set Press Enter again to return to the previous menu The I O configuration shown on the Summary Relay Digital Inputs and Analog Inputs and Analog Output screens will now reflect the proper number of inputs present for each board type address Assignment The 4000 can provide all input output assignment automatically or the assignments can be made manually To automatically assigned the after all tasks are set up select Task Settings from the Main Menu and press Enter Select 1 Menu and press Enter Select Auto I O Assign and press Enter Two choices are now available Pack Tight or Skip by Task Pack Tight assigns all the I O p
62. d press Enter Select Analog Alarms with the side key and press ENTER Next select the Task from the list that you want to view modify the alarm settings with the side key and press Enter The first analog alarm associated with the selected task will then appear Pressing Enter will move you to the next alarm and so on until you return to the task list screen A typical Analog Alarm screen appears as follows Compr LT 01 Cmp 01 Analog Alms Suctn High Suct Low Suct Stp 17 7 Trip Value 1 0 Mins 00 10 Delay Time 00 10 Levl ANNA Priority 123L ANNA Time 00 00 Disable Time Cnt 0 Repeat Count The top line displays the Task Name and Task Type amp number The second line indicates this is an Analog Alarm screen 32 The third line indicates the alarm type i e High Suction and Low Suction The remaining lines are as follows Trip Value The level above or below which the alarm will start timing Delay Time The delay in minutes once the alarm has exceeded the Trip Value before the specified alarm action will take place Priority The alarm action to be taken for each phone number 123 and local alarm output L A dial out L Log only N no action M morning dial out Disable Time The time in hours and minutes that you want an alarm to be temporarily disabled maximum of 48 hours Repeat Count The number of times you want the alarm to be repeated as long as it has not cleared at one hour inter
63. damper will be fully opened It will be linearly run from full closed to full open i e 0 t 10 volts over this range 54 The setpoints that show up here are determined by what options were previously selected If they are not used are put in their place This screen shows setpoints for selected options They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next Screen The Condenser Fans Task programming is complete at this point Temp Defr Circuit The Temp Defr Task controls all aspects of a circuit stub or system depending upon the terminology you prefer to use CIRCUIT OPTIONS screen 1 Solenoid Monitors Unequipped Equipped Provides a digital input to monitor the refrigeration solenoid Temp Alarms Type Indiv individual Provides an alarm high and low for each supply air temperature sensor requested Group Provides one alarm for the circuit Looks at all temp sensors but they are compared to the same alarm setpoints Solenoid Control Temp Sol Provides a relay to control a solenoid based upon the supply air temperature sensor s Turns on when the temperature reaches the circuit setpoint and off when it reaches the circuit setpoint minus the differential setpoint and off during defrost and drip periods Sorit Only Provides a relay to con
64. dded to the offset to get the maximum value of the scale To change highlight Scale with the side key then enter the desired value with the number keys noting that 10 100 50 500 etc then press Enter Note if you have trouble selecting any item when you first enter this screen press the Escape key once then try again Graph Interval The time interval that all points are logged be set from as little as 6 sec the default value to as long as two hours Normally after start up you will want to set the interval for about 10 minutes so that 24 hours of data is available for review To change the interval select Miscellaneous on the Main Menu and press Enter Then select Graph Interval with the side key and press Enter Then simply type in the desired interval and press Enter A 10 minute interval would appear as follows 0 10 00 Alarm Enables This screen allows the user to select for each of the specified Types how the alarm priorities are to be set for the 3 dial out numbers and the local alarm outputs 123L The alarm types are Lost Boards the MCS 4000 has lost communications with an I O board Sensor Fail a sensor has gone open or short Oil Failure indicates that an oil failure control action has taken place only applies if oil failure control was selected in the Setup process Discharge Temp indicates that an oil failure control action has taken place
65. e The relay output board RO 8 contains 8 relays rated at 3 amps at 240 volts with NO and NC contacts Removable Phoenix connectors are provided for field wiring to the relays and for the local RS 485 bus and the power input wiring All connectors are sized such that high voltages cannot be accidentally plugged into low voltage sockets All relays are fused at 3 amps Spare fuses are provided on the boards A three position computer manuaton manual off switch is provided for each of the relays The board may also be ordered without the switches if desired A red LED indicates the on off state of each control point the software makes the LED reflect the control state correctly whether the point is inverted or not That is if the LED is ON the controlled device is ON The dimensions of the RO board are 13 x 4 x 1 inches with a weight of 1 Ib The digital input board DI 8 contains 8 inputs that monitor from 24VAC to 280 VAC For 300 volts and above an isolation relay or DIM module of the appropriate voltage is required Note if used with dry contacts an external power source must be supplied Removable Phoenix connectors are provided for field wiring to the inputs and for the local RS 485 bus and the power input wiring A red LED indicates the on off state of each input The dimensions of the board are 13 x 4 x 1 inches with a weight of 1 Ib The analog digital input board Al 8 amp Al 16 can be ordered with 8 or 16 inputs at 0 6 VDC wi
66. e Klixon to control termination make sure the termination temperature setpoint is raised to a value which will put it out of range or make it act as a safety only Note There is a minimum defrost period required It is 20 96 of the Failsafe Time setpoint For example if the failsafe time is 35 minutes then the defrost will run for a least 7 minutes 2 x 35 7 before it will be allowed to terminate Note Klixon or termination stats can be either make on raise or open on rise This does not affect the control strategy set up A change in state of the digital input is looked for either off to on or on to off Single Cmpr Same as Satellite compressor see Satellite Cmpr 67 HVAC Library The HVAC Library has in addition to the common tasks indicated earlier two additional tasks that provide for the complete control of either large built up Central or packaged HVAC units or small rooftop units Fan control includes single fan two fans two speed and Variable speed options Dehumidification control may be accomplished by the cooling stages or separate stages as required by either relative humidity or dewpoint A variety of overrides safeties and monitors are also available A maximum of 12 control relays is allowed for each task The setup screens for the Lrg Central Package and the RTU Small Packages tasks follow with a description of each option and explanation of operation where appropriate Lrg Central Packages Lr
67. e is normally properly handled by the 4000 in the Setup routine However there may be a few instances where the relay output needs to be inverted or the inversion removed Relays specified as Normal are defined so that they are wired to the normally closed contacts so that they fail on such as refrigeration compressors and circuit temperature control solenoids Relays specified as Inverted are wired to the normally open contacts and fail off such as defrost 20 Select Task Settings on the Main Menu with the side key and press Enter Select I O Menu with the side key press Enter Select Relays with the side key press Enter Enter password if prompted Pick the desired task from the list of tasks displayed with the side key press Enter use the up down arrows to get to other tasks if not displayed on current page The first relay associated with the selected task will be displayed Use the side key to select Inv Inversion then use the up down arrows to toggle through the choices Normal or Invert Press Enter to secure the desired choice Proceed through rest of relays by pressing Enter Digital Inputs Digital inputs may also be inverted Process is same as for relays except select Digital Ins from the I O Menu Analog Outputs Analog outputs may also be inverted if needed If inverted the output signal goes from maximum to minimum e g 10v to Ov Follow same process as for Relays explaine
68. e maximum On time that will be allowed for Night mode For Minimum ON Cycle Sets dewpoint RH level at which the heaters will be cycled at the minimum On value given below for the Night mode Minimum On Cycle Sets the minimum On time that will be allowed for Night mode Schedule Group Assigns to the schedule group which will control the changing from Day on to Night off mode 6 If changes to these set points are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the programming of the Anti sweat Grp Task Lighting Group LIGHTING OPTIONS screen 1 Light Sensor Unequipped Digital Provides a digital input to connect to a photocell for control of the circuit schedule will allow or disallow the light level control Analog Sensor 1 Provides an analog input for light level control Analog Sensor 2 Assigns a second light level sensor analog input for light level control You could use the 1st for outside control and the 2nd for inside light level control Schedule Mode 24 hr scheduled Sets up a fixed schedule for 24 hours operation may be changed at any time Day Nite store hours Sets up a relative schedule based upon Store Hours schedule Light Relay Wiring Fail ON N C Sets relay inversion for normally closed wiring to fail ON Fail OFF N O Sets relay
69. ed by the specified amount if a float temp defrost circuit has been setup selected for floating suction control The High Limit value is added to the target pressure to arrive at the maximum float value and the Low Limit is subtracted from the target pressure to arrive at the minimum float value If the float temp defrost circuit s average temperature is below its control setpoint for 5 minutes then the target pressure is raised 0 5 psi If itis above then the target pressure is lowered This is a continuous process Use the left and right side keys to select the desire float limits then press Enter to move to the next screen This completes the programming of a Compressor Group Task You are returned to the New Task selection Menu so you can continue with the programming of the next task Condenser Fans CONDENSER TYPE screen 1 FAN STAGES Single Circuit One Multi circuit 2 Ckt Two Multi circuit 3 Ckt i Three Multi circuit 4 Ckt Four Multi circuit 5 Ckt i Five Multi circuit 6 Ckt Six Eight This is a two sided screen to select the condenser type and the number of fan control stages Use the left side keys to select the Type then the right side keys to select the number of stages Then press Enter to move to the next screen Note If two speed is selected on a later screen you do not need to specify the number of stages as this will be forced to two 49 CONDENSER OPTIONS screen 2 Fan
70. elect Menu with the side key and press Enter Use the side key to select Board Status and press Enter The 4k will then scan all 16 addresses for each board type and report the results as follows K the board has points assigned to it and it is responding this is the desired state U the board doesn t have anything assigned to it but it is responding L the board has points assigned to it but is not responding 2 No assignment and no response The board types are list down the left side with the 16 possible addresses shown across the top If you would like it to re scan all addresses Escape from the screen and then return to it If you want to re scan any particular I O type press the side key next to it as indicated in the instructions on the screen Schedules Schedules control the on off time of day control for tasks that need this function From the Main Menu select Schedules and press Enter There are three items on the Scheduling submenu Press the side key aligned with the desired selection and press Enter The choices are as follows Schedules on off schedules for each task the 4k will support up to a total of 84 schedules Multiple tasks may be placed in the same scheduling group 37 Press the side key to choose from the list of tasks that have schedules and press Enter A typical schedule change screen follows Schedules Schedule Group 06 Days of Week From To
71. en Recips Generic Copeland Carlyle kkkkkkkk kkkkkkkk kkkkkkkk Compressor Types Screws Screen 6 Screw Carlyle Howden Bitzer kkkkkkk kkkkkkk 100 Use the left or right side key to select the type of compressor and press ENTER Note Usage of anything other than Generic will set up oil failure control and in some instances discharge temperature control through the 4K with all the I O required automatically Unless you want these control elements only use the Generic selection Sngl Ckt 01 Sgl 01 screen 7 Compr Type Size Cmp1 10 0 Reg Cmp2 0 0 Reg or 11 1 or Nothing This screen requires you to enter the HP value of the compressor or compressor and unloader or the two compressors depending upon which option was selected earlier The capacity may be entered in either HP or Mbtuh NOTE The unloader capacity is entered as the amount it contributes the compressor capacity is always the total capacity l e for a 10 hp compressor with 5096 unloader the compressor capacity would be entered as 10 and the unloader as 5 Press the side key to highlight the compressor or unloader then type in the capacity and press Enter Press Enter again when all capacities have been entered to move to the next screen Sngl Ckt 01 Sgl 01 screen 8 Compressor Temp 35 0 Suct Temp Target The saturated suction temperature target you want to achieve If you change this value note that the suction pressure target a
72. er the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the set up of a RO on rise Task RO On Fall Task Control Options screen 2 of Stages Inputs One Two Three Four Can have from one to four relays stages each with their own setpoint amp common deadband Five Not available max Of 4 relays stages Six Not available max Of 4 relays stages Scheduled No Yes Sets up a schedule which will allow control when scheduled On and will shut off relay when scheduled Off Type of Input Zone Misc 29 Difference Sets up two analog inputs and subtracts the value of the second from the first and uses this as the control input value Liquid Tmp Drop Leg Sniffer Selects sensor type for control input If use Misc make sure you set the proper sensor type when assigning the input so that proper scaling will be achieved defaults to reg Com Trol temp sensor Liquid Level Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task AddOnCkt 01 Opt 01 screen 3 Temp 50 0 Stage 1 Day Mode The setpoint at which the relay for stage 1 will turn On when the selected input value falls below it Temp 55 0 Stage 2 Night Mode The setpoint below which the relay for stage 2 will turn On If two stages we
73. er is truly EZSET The large LCD display two to four times larger than competitive systems makes it possible to display significantly more data without having to move to additional screens and graphs have greater resolution The LCD back light is equipped with an automatic time out feature to pro long the life of the display After 15 minutes of no usage the back light turns off touching any key except Cancel will turn it back on The keypad design is actually made up of two keypads There are 14 keys 7 on each side of the LCD display that are visually connected with lines on the overlay to 14 of the LCD display lines similar to the concept used in banking ATM s Then there is a second keypad below the screen with 20 keys for numbers cursor movement etc The combination of these two keypads with the display software produces a simple flexible and very powerful user interface The system is setup configured by answering a series of questions with choices that can be selected by pressing the appropriate key at the side of the display Note With the 6000 Advantage the 4K s may be ordered without their displays and keypads if desired The system contains built in refrigerant temperature pressure tables set points and standard names for most of the normal supermarket fixtures and refrigeration systems Thus the 4K can automatically furnish about 90 of the necessary set point parameters based upon the answers supplied to a few question
74. es 3 switches and software Hardware Failure Indications 4 lost boards open short sensors Abnormal Defrost Terminations 5 defrost terminating on minimum failsafe or override Note Alarm Enables must be set to get some of these alarms The following is a sample of the Alarm Summary screen All Categories Alarm Type Circuit Value Tripped at Mon Proof CmMn03 Off 18 12 08 06 Compr LT 01 Lost Relay Board 2 LOST 18 11 08 06 High Suct Suct A 35 6 04 32 08 05 Compr LT 01 etc The Alarm Type is shown in the first column The point name with the associated Task name are given in the second column The value or state at which the alarm occurred are given in the third column followed by the time and date at which it occurred Pressing right arrows will change the fourth column to the Cleared time and date followed by the Acknowledged time and date Use the down arrow to get to more pages of the alarm history 29 Runtime History The MCS 4000 maintains runtime and cycle information for all relays on a board by board basis for the last 31 days month Select Runtime History from the Main Menu with the side key and press Enter The screen will appear as follows Runtime History Board 01 Date R O Pnt 8 06 Sun 8 05 Sat Fan 01 Fan Group 01 08 31 1 24 00 0 Fan 02 Fan Group 01 08 31 1 18 45 15 Fan 03 Fan Group 01 08 31 1 06 20 22 01 Compr LT 01 06 25 10 12 25 55 Comp02 Compr LT 0
75. ess the side key aligned with the task you want to override and press Enter An O will appear next to the name Pressing the Cancel key will terminate the override function Note If it is already in the day scheduled On mode and or an override time is not entered i e 0 then nothing will happen and you will need to go to the setpoint screen for the task and enter an override timer value This screen also allows you to perform other functions They include raising or lowering the setpoint 2 up 3 down and activating the Test Cool or Test Heat functions for HVAC Central and RTU Tasks Emergency Defrost Emergency defrost provides access to all temp defr tasks for the purpose of placing a circuit system in defrost Choices are provided to ignore termination or run a regular defrost Password access to this function is programmable Use the side keys to highlight the desired temp defr circuit then press a 1 if you want an emergency defrost that ignores termination i e runs to failsafe or a 5 if you want it to perform a regular defrost that will observe termination as programmed You may terminate any defrost by selecting the circuit with the side key then press the Cancel key The letters following the circuit that s in defrost are as follows E emergency defrost hot gas defrost W Washdown P pumpdown up down arrows dual temp circuit transition direction Q quit cancel defrost only appears for 6 sec
76. essed for 15 minutes It can be turned ON by pressing any of the keys on the lower keypad except the CANCEL key The CANCEL key is used to acknowledge alarms Note The display will also turn off if the ESCAPE key is pressed when on the Home Menu Note As long as the green Active LED located at the lower left corner of the display is flashing the 4000 is alive and functioning Adjusting the Display Viewing Angle If the display is not providing a well focused image open the door and turn the viewing angle adjustment knob until the display obtains the best focus see Figure 2 Appendix A If the 4000 was mounted much below eye level it may not be possible to get a well focused display lowering the eye level may be necessary for best viewing in this case Screen Layout The top line of the display line 1 is normally used for the title of the screen and for display of the name of the task currently being setup reviewed The bottom line line 16 displays the software Library Type and Version that is installed in this 4000 e g Rack 1 326 the mode running monitor stopped the 4000 is operating in the address or Box number of this 4000 i e 01 and the date and time of the clock in this 4K Line 15 normally provides Key usage prompts Lines 2 through 14 display information menus data etc and are addressed by the side keys as appropriate Note The system must be in the Running mode to provide output control In the Moni
77. et up reprogrammed Use the down arrows to get to additional relays if necessary The bottom line always displays the following information Software Library present and its version number Mode running monitor stopped Box Address Date and Time Remember to save time use the quick access keys 1 9 from this screen to get to all additional information about this task 25 Summaries Summary screens provide additional ways to look at system information in several ways that are not task specific Selecting Summaries with the side keys from the Main Menu brings up the Summary Menu Items displayed here include Relays displays status of all relays on a board by board basis Digital Ins status of all digital inputs on a board by board basis Analog Ins status of all analog inputs on a board by board basis Analog Outs status of all analog outputs on a board by board basis Alarm Summary a list of all alarms and their set points for all tasks set up on this 4K Circuit Summary a list of all Temp Defr tasks and their temperature control set points and status Defrost Summary a list of all Temp Defr tasks and their defrost set points and status Select the desired summary type with the side keys and press Enter Example screen for the I O Summaries follows Relays Board 1 RO8 1 Fan 01 On 2 Fan Group 01 3 4 5 6 7 8 The board 1 16 and type RO8 SNGL RTU CIO are shown on the first line Each rela
78. for two parallel compressors Head Safety Xducer Unequipped Condenser Fans Heat Reclaim Board Equipped Provides a head pressure input for monitoring and high head pressure control Unequipped One Sets up one control output for a condenser fan on a straight air cooled condensing unit Two Sets up two control outputs for condenser fans on a straight air cooled condensing unit Remote Sets up a flag that indicates a remote air cooled condenser task will be set up andthe appropriates circuits assigned to it Unequipped Equipped Sets up an output for a heat reclaim valve Standard Assumes standard RO 8 board for assignment RTU 6 Sets up assignment for an RTU 6 board Single 4 Sets up assignment for a Singles board 98 CIO 8 Sets up assignment for an RTU 6 board Temp Ckt gt Comp Brd Unequipped Use the side keys to DesuperHt Liq Inject Freeze Protect MultiCkt Condenser Only used with standard I O above Equipped Sets up flag for assignment to place I O for associated temp defr task on the compressor task I O board set all options then press Enter to move on the next screen Extra Options screen 5 Unequipped DeSup Dsch Sets up a relay and analog input to control a desuperheater based upon the discharge temperature Desup Suct Same as above but based upon suction temperature Liq Inj Suct Same as above but for liquid inje
79. frost control and alarms Unequipped Equipped Provides a digital input to connect to a switch to activate the dual temp selection Note If no switch input provided can change through 4k via the Emergency Defrost screen 57 Dual Temp Relay Unequipped Normal Operation Provides an additional relay which will follow the dual temp switch action Normally used to force sorit to wide open Off during defrost Same as above but will turn off during defrost period Use the side keys to select all desired options then press Enter to move to the next Screen DEFROST TYPE screen 3 TERMINATION TYPE Hot Gas Supply Air Temp Electric Klixon Din Reverse Air Coil Temp Timed Off Cycle Time Only Suction Pressure This is a two sided screen where choices are made with both left and right side keys Select both the Defrost Type and Termination Type then proceed to the next screen Suction pressure termination is normally only applicable to single compressor systems FIXTURES screen 4 A list of case fixture types is presented here There are 63 types to choose from The type selected determines what default parameters setpoints will be used from the MCS 4000 s built in database They can however be modified at any time Use the arrow keys to move to the desired page of fixture types then press the side key to select the fixture type Press Enter and move on to the next screen Note The four character name can be modified with
80. function of what the rack manufacturer designs into it Compr Alm Only Same as above but provides a digital input for each compressor later specified Digital Shutdown Same as above but turns off compressor relay when its digital input turns on Analog Shutdown Provides one analog input for each compressor to measure oil pressure with a Johnson oil failure control transducer Compressor will be shut off when the pressure falls to the Oil PSI Trip Level for the specified delay period Unequipped Rack Alm Only Provides a digital input and alarm to indicate a high discharge temp condition Compr Alm Only Provides a digital input and alarm for each compressor to alarm on high discharge temp condition Digital Shutdown Same as above but turns compressor off if it s digital input high discharge temp control trips 41 Analog Shutdown Provides an analog input for each compressor to connect a Com Trol high temp sensor to Shuts off compressor when control setpoint is reached This event is logged alarmed Compressor Rotate Unequipped Equipped Only applies if all compressors are of equal capacity Sets flag that will equalize cycles on all compressors Demand Cooling Unequipped Equipped Provides a digital input for each compressor that has an unloader or is variable speed Compressor is forced to fully loaded condition all unloaders ON or if VS runs at full speed when the digital input is On T
81. g Pkg Options 1 screen 1 Digital Monitors Unequipped Not applicable for Large Central Packages software forces a digital monitor for the fan air flow proof as a safety Heating and cooling are not allowed if the fan air flow monitor is off Fan Only Provides a digital input for the fan air flow proof safety mechanisms Fan amp Cooling Provides a digital input for the fan air flow proof safety mechanisms and a input for each stage of cooling Fan amp Heating Provides a digital input for the fan air flow proof safety mechanisms and a input for each stage of heating Fan Heat amp Cool Provides a digital input for the fan air flow proof safety mechanisms and input for each stage of cooling and heating 68 Schedule Mode Zone Control Method Zone Sensor Count One 24 hr scheduled Sets up a fixed schedule for 24 hours operation may be changed at any time Day Nite store hours Sets up a relative schedule based upon Store Hours schedule Averaged If multiple zone sensors or a single zone sensor are present the average of all zone sensors is used for control Low High Zone If multiple zone sensors are present the lowest sensor is used if in the heating mode and the highest is used if in the cooling mode Provides one zone sensor to be used for control Two Provides two zone sensors to be used for control the Zone Control Method above will determine how the two zone tem
82. g output Nmbr 0 Schedule Group Sets the schedule group that will control the Day Nite Mode If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the set up of a Analog Output Task Subcooler Task Same screens apply as for RO on Rise with the default Type of Input set to Liquid and the following screen is added in between screens 2 amp 4 AddOnCkt 01 Opt 01 screen 3 Suction Group Association Nmbr 1 Suction Group This associates the subcooler with the specified Suction group to provide an interlock such that the subcooler will not turn On unless at least one compressor in the group is running to prevent flooding Time 0 Delay Time Not used If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the set up of a Subcooler Task 34 Desuperheatr Task Same screens apply as for RO on Rise with the default Type of Input set to Misc and the following screen is added in between screens 2 amp 4 AddOnCkt 01 Opt 01 screen 3 Suction Group Association Nmbr 1 Suction Group This associates the desuperheater with the specified Suction group to provide an interlock such that the Desuperheater will not turn On unless at leas
83. group The limits default to 5 and 3 This means that the Target suction pressure is allowed to be raised or lowered by the specified amount if a float temp defrost circuit has been setup selected for floating suction control The High Limit value is added to the target pressure to arrive at the maximum float value and the Low Limit is subtracted from the target pressure to arrive at the minimum float value If the float temp defrost circuit s average temperature is below its control setpoint for 5 minutes then the target pressure is raised 0 5 psi If it is above then the target pressure is lowered This is a continuous process Use the left and right side keys to select the desire float limits then press Enter to move to the next screen This completes the setup of the Singles compressor task 104 CSTR Library The CSTR C Store library is a compilation of task types from the other libraries It is intended for use in convenience stores small supermarkets with conventional refrigeration and drug stores It does not support Rack parallel refrigeration systems only single compressor systems Refer to the Common tasks and CSTR library explanation at the beginning of this document for further information 105 APPENDIX A MCS 4000 DRAWINGS Com Trol EZ SET MCS 4000 TASK SETTNGS MISCELLANEOUS SCHEDULE OVERRDE EMERGENCY CEFROST Multi Function Control System ES Cx ACTIVE MCS 4000 CPU BOARD E POWER
84. gurations are provided with a cable harness 10 feet in length with connectors at one end and a transformer that may be mounted where convenient in the OEM cabinet There are 10 types of I O boards available for the MCS 4000 relay output digital input analog digital input 8 or 16 analog output analog input 16 with 8 digital inputs a special HVAC RTU board a singles condensing unit board a CIO combination input output board and a pulse solid state relay driver board They are connected to the 4000 by the local RS 485 bus which is a 2 wire plus ground cable that may be run in star or daisy chain fashion The I O boards can be located as much as 5 000 feet from the MCS 4000 Each board has a 16 position rotary switch that is used to set the board address Each board has a RED LED that indicates when the local bus is transmitting and a GREEN LED for Power Power is supplied to each board via a 230 115VAC to 24 volt center tap transformer that is field mounted along with the I O board in the desired location The input power to the board is fused at 3 amps The I O boards mounted in individual rack assemblies that allow stacking of the boards if desired to reduce mounting space requirements or they may be flat mounted Cabinets are also available that will accommodate 2 5 or 8 I O boards with pre wired transformers included The MCS 4000 may be mounted on the front of the 8 card cabinet if desired Custom cabinets are also availabl
85. hange code entered The change code is 1843 Note The low and high level passwords should be changed upon completion of the installation by the responsible authority to maintain proper system security Note Some items such as Emergency Defrost have the option of requiring a password or not posed during the Setup process Changing A Sensor Type Normally the 4000 will automatically assign all the analog input sensors of the appropriate type necessary for the application However in some instances it may be necessary to change the sensor type for example the 4000 assigns all suction pressure transducers as 0 to 200 psi types If a 0 to 100 psi transducer was used the type may be changed by selecting Setup on the Main Menu and Menu on the submenu Select Analog Ins and then press Enter A list of all the Tasks will then be displayed Select the Task that the analog input is associated with and press Enter The first analog will be displayed Pressing Enter will move you through all the analog inputs associated with this task Stop at the one you want to change and press the left side key pointing to Type Next press the up down arrows to rotate through a list of the sensor types available When you arrive at the desired type press Enter There are 33 sensor types as follows Regf Regular Com Trol temperature sensor 45F to 120F Hi Com Trol high temperature sensor 0 to Reg c Regular Com Trol temp sens
86. has a battery connected to the circuit so that the information stored can be maintained without external power BAUD Refers to the rate of transmission of data measured in bits per second Normal modem communications are at 2400 or 14 4k baud BOX CONTROLLER A Com Trol term that refers to a 4000 Series Controller BUS A communication pathway 3 wire cable that allows multiple MCS 4000 controllers t communicate with a central controller host COM 5002 or a MCS 4000 to communicate with its input and output boards CPU Central Processing Unit the main PC board that contains the microprocessor chip memory and supporting components DEWPOINT The ambient temperature at which moisture will begin to condense DIGITAL INPUT An input signal to the control system that can report an on or off condition DIM Digital Input Module an electronic interface that converts high voltage to a contact closure dry contact that can be introduced into the control system as a digital input DIPSWITCH A series of small switches usually packaged in groups of four or eight that are used on PC boards to provide on off signals for various purposes usually to set an addres or select options FLOATING SUCTION A control technique which raises or lowers the suction pressure target based upon a feedback from a temperature sensor s indicating whether the target temperature is being maintained or not GLOBAL BUS The communication path between all c
87. he 4th stage of cooling will be turned On The resultant setpoint is shown in parenthesis Temp 2 0 74 0 Fan Minimum Setpoint The offset from the first stage cooling setpoint that the fan will start to ramp up from the minimum speed setting This offset is subtract from the first stage cooling setpoint Only applies to Variable Speed Mins 0 Override The time in minutes that the cooling would be turned On if the Override Schedule Input option was selected and the digital input was activated by a push button switch Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen Large Pkg 01 Cen 01 screen 9 Cooling Inhibit Temp 8 0 80 0 Night Mode Offset The amount that will be added to the System setpoint during the night mode to base the cooling offsets against The resultant value is shown in parenthesis Temp 75 0 Normal Outside Lockout The temperature of the ambient outdoor air below which the cooling will not be allowed to operate during the day scheduled on mode Temp 75 0 Night Mode Lockout The temperature of the ambient outdoor air below which the cooling will not be allowed to operate during the night scheduled off mode Temp 0 0 72 0 Demand Save Limit If demand control is being used sets the maximum amount that the cooling setpoints may be raised for demand control 80 Temp 0 0
88. id control selected determines when refrigeration relay will be turned off value is subtracted from circuit setpoint Low Safety Value at which solenoid or sorit relay will be shut off Demand Save Limit If demand control is implemented determines the maximum amount the circuit temperature my be raised 0 to 10 degrees 65 Nmbr Setp 0 0 Schedule Group If night offset is being used this assigns the circuit to a schedule group 1 to 100 Night Offset The amount that the temperature is to be raised or lowered during the off period of the schedule This screen shows setpoints for selected options They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen DEFROST screen 7 Mins Mins Mins Mins Mins 20 48 0 60 Failsafe Time The maximum time in minutes that the defrost may last Drain Time The amount of time between the end of defrost and the resumption of refrigeration Gives water time to run off before starting up refrigeration Terminate Value The temperature at which the defrost will be terminated if a supply air or coil temp sensor is present Note If a Klixon or termination stat is present this value can still terminate the defrost if it is reached before the termination stat trips Set this value high if you don t
89. ied to the Copeland demand cooling control auxiliary contact Use the side keys to set all options then press Enter to move on the next screen COMPRESSOR UNLOADER SETUP screen 5 Cmp Unloaders Cmp Unloaders 1 C C 2 Generic Generic 3 C 4 Generic 5 6 This screen lets you select the number of compressors amp their unloaders and specify the compressor type make for this suction group If any type other than Generic is used oil failure control and in some case discharge temperature control will be setup provide Thus unless you want to perform direct oil fail control only use the Generic type To set the number of compressors defaults to 3 press the side key next to the total number of compressors max of 8 then press and up arrow C s will be placed in all positions up to that number If there are less than 3 compressors start with the third compressor press its side key and then press the down arrow to remove the C Do likewise until you have moved down to the number of compressors you have To set the number of unloaders select the compressor position with the side keys then press the up arrow for each unloader present Note that a maximum of 8 total outputs for compressors and unloaders is allowed per suction group To set the compressor type if oil fail control is desired press the numbered keys 0 9 per the following 0 Generic a standard compressor with no special control requirements 1 Copela
90. igeration relay is turned off before the defrost relay will be turned on Normally only used on single compressor systems Wash Down Delay If washdown option was selected earlier sets the amount of time that the circuit will have it s refrigeration and defrost turned off based upon the digital input push button switch activation This screen shows setpoints for selected options They may be altered now if desired or changed later Use the side keys to select the desired item then use the number 60 keys to enter the desired value press Enter Press Enter again to move to the next Screen DEFROSTS START screen 8 1st 00 00 First 2nd None Second ard None Third 4th None Fourth bth None Fifth eth None Sixth Up to 6 defrosts may be setup for each circuit 24 00 is not a valid start time use 00 00 for midnight Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen This completes the programming of one circuit Repeat the process for each circuit present Note If both supply air temperature sensors and Klixons termination stats are present defrost termination is based on either one Thus if you only want the Klixon to control termination make sure the termination temperature setpoint is raised to a value which will put it out of range or make it act as a safety only Note There is a minimum defrost period
91. igh Speed Fan will remain at low speed during all heating during the night scheduled Off mode Always High Speed Fan will run at high speed any time any cooling dehumidification is called for dehumidification purposes With Stage One Fan will shift to Hi speed when the first stage of cooling or dehumidification is turned On for dehumidification purposes With Stage Two Fan will shift to Hi speed when the second stage of cooling or dehumidification is turned On for dehumidification purposes With Stage Three Fan will shift to Hi speed when the third stage of cooling or dehumidification is turned On for dehumidification purposes With Stage Four Fan will shift to Hi speed when the fourth stage of cooling or dehumidification is turned On for dehumidification purposes Never High Speed Fan will remain at low speed during all cooling or dehumidification Use the side keys to set each option When all are set as desired press Enter to move to the next screen Evap Cond Interlock Lrg Pkg Options 5 screen 5 Unequipped Equipped Provides a digital input to connect to a switch that will keep all stages of cooling from running while the input is On Used as a service tool where the evap condenser has the HVAC circuits on it in addition to the refrigeration or if a separate evap is used for HVAC 76 Service Shutdown SW Unequipped Equipped Provides a digital input to connect a switch to that will
92. igital Ins on the I O Menu screen Analog Ins Same process as for Relays above except select Analog Ins from the I O Menu screen and when you select State the only choices are Com and On Then select Units Override Value with the side key and type in the desired override value you want the input to read and press Enter Thus it is a two step process to implement an override on an analog input Analog Outs same process as for Analog Ins Note If no inputs or outputs of the category selected are associated with the task nothing will happen when you press Enter Analog Offsets Analog inputs and Outputs can have an offset value an amount that is added or subtracted from the sensor input value before using it for control entered if needed This is normally used to adjust the value of a pressure transducer or a temp sensor to match a known good reference The procedure used is similar to the analog override procedure explained previously except select Units offset with the side key and enter the desired offset value with the number keys may be plus or minus then press Enter Note The temperature sensors and transducers are normally very accurate and offsets should rarely be required Don t assume your gauge is more accurate than the sensor be sure Inversion Relays Relay output states and control states are defined within the 4000 software Relay inversion failsafe mod
93. ill also be interlocked to the operation of the compressors on the specified compressor group selected on a following screen Turn on if greater than Same as relay on rise but has the task name of Freon Sniffr Can be used to control exhaust fans alarm bells etc as required based upon freon exceeding desired ppm level Turn on if greater than Same as relay on rise with name change Turn on if less than Same as relay on fall with name change Turn on if greater than Same as relay on rise with name change Turn on if less than Same as relay on fall with name change Turn on if di on Same RO and DI with name change Turn on if di on Same as RO and DI with name change Turn off if greater than Sets up a relay and analog input Relay will turn Off when temperature goes above the setpoint Relay will turn back On when input value goes below setpoint minus the deadband value Turn on if less than Same as Relay on Fall with name change 19 Hi oil temp Oil cooler Oil heater Oil pump Oil solenoid Oil Bypass Oil Fans Glycol Fans Transfer Al Transfer DI Dewpoint Turn off if greater than Same as Dsc tmp lock above with name change Turn on if greater than Same as Relay on Rise with name change Turn on if less than Same as Relay on Fall with name change Turn on if greater than Same as Relay on Rise with name change Turn on if greater than Same as Relay on
94. inversion for normally open wiring to fail Off Note If pilot relays are used in between the contactor and the Com Trol relay results will depend upon how it is wired Turn Circuit ON if Dark Outside Sets strategy to turn lights ON when it gets dark normal outside lighting control Light Outside Sets strategy to turn lights ON when it gets light outside sometimes used for inside lighting control Analog Dimmer Unequipped Equipped Provides an analog output to control dimming ballasts 8 Title 24 Override Off Unequipped DI Switch Provides a digital input that will turn lights off when switch is closed On Timed Push Button Provides a digital input for a push button that will turn lights off for a timed period Reset midnight PB Same as Timed Push Button but will clear timer at midnight if still on Use the side keys to set all options then press Enter to move on to the next screen Cancel aborts the set up of the current Task OVERRIDE OPTIONS screen 2 Test Digital Input Unequipped Equipped Provides digital input that will trigger the circuit to turn on when the DI is turned on Will shut off after the Test Interval timer expires Test Interval 30 minutes Sets the Test timer to 30 minutes 60 minutes Sets the Test timer to 60 minutes 90 minutes Sets the Test timer to 90 minutes 120 minutes Sets the Test timer to 120 minutes Override Schedule Inp Unequipped Start DI
95. it that is programmed as Hot Gas goes into defrost No other screens Turn on if greater than Provides a generic relay and analog input that will turn the relay On when the input value rises above the setpoint value Turn on if less than Provides a generic relay and analog input that will turn the relay On when the input value falls below the setpoint value Turn on if di on Provides a relay and a digital input The relay will turn On when the digital input is On and vice versa Analog out Sets up an analog output that can be controlled in several ways determined by a subsequent screen This is a modified PID control algorithm Turn on if greater than Same as relay on rise but has the task name of Subcooler It will also be interlocked to the operation of the compressors on the specified compressor group selected on a following screen 18 Desuperheatr Surge Valve Crosovr Valve Freon Sniffr Motor Rm Fan Motor Rm Htr Misc Pump Hot Water Ht Heat Heclaim Parallel Bypass Dsc tmp lock Low oil tmp Turn on if greater than Same as relay on rise but has the task name of Desuperheater It will also be interlocked to the operation of the compressors on the specified compressor group selected on a following screen Turn on if less than Same as relay on fall but has task name of Surge Valve Turn on if greater than Same as relay on rise but has the task name of Crosovr Valve It w
96. ks purposes will use it rather than assigning a new one Assign New Sensor Sets up a new sensor rather than use a previously assigned one for ASW control options then press Enter to move on to the next screen OVERRIDE CHOICES screen 2 Test Digital Input Unequipped Equipped Provides a digital input that will turn heaters on for test interval time selected below Test Interval 30 minutes Sets test interval for option above to 30 minutes 60 minutes Sets test interval to 60 minutes 90 minutes Sets test interval to 90 minutes 120 minutes Sets test interval to 120 minutes 4 Override Schedule Inp Unequipped Start DI Provides a digital input for a push button switch to put the ASW heaters in the Day mode Start Stop Dl s Provides a digital input for a push button switch to put the ASW heaters in the Day mode and a second DI that will cancel the override timer Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task ZONE USAGE screen 3 Zone Relays Zone Relays 1 gt 1 lt 2 3 gt lt 4 5 gt lt 6 7 gt lt 8 This screen sets up the number of relays or pulse outputs desired the current ASW task desired for control and on how many boards Use the side keys to select the board zone 1 8 then use the Up arrow to set up the number of relays analog outputs
97. l of receiver bypass mechanisms Provides one pressure input that is converted to a saturated temperature based upon the refrigerant selected and another temperature input The two values are compared and the difference taken if the difference between the temperature input and the converted pressure input is greater than the setpoint a relay is turned on Press temp difference amp HG Same as Gas Rcvr 1 except also turns relay on when the Hot Gas flag is on Float passing Sets up an analog input with a setpoint that can be selected in the float assignments to float the suction of a compressor group Provides float capability where temp defrost circuits are not used available Inverted Output Sets up an analog output that can be controlled in several ways determined by a subsequent screen This is a modified PID control algorithm The output is inverted the higher the input above target the lower the output Highest analog of group Sets up one to six analog inputs picks the highest of the group and outputs the value to an analog output for local or global transfer Lowest analog of group Sets up one to six analog inputs picks the lowest of the group and outputs the value to an analog output for local or global transfer 22 Avg of set Temp to PSI PSI to Temp Fast Float HotGas by DI RO rt cy Alm DI rt cy Alm Alarm 3 Alarm 4 Average of analogs in group Sets up one to six analog in
98. l temp sensor Difference Sets up two analog inputs and subtracts the valueof the second from the first and uses this as the control input value Liquid Tmp Drop Leg Sniffer Liquid Lvl Monitor Ai Input Unequipped Equipped Adds an additional analog input for monitor purposes only shows up on Task Status Screen Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task Analog Out Opt 01 screen 3 Setp 50 0 Stage 1 Day Mode The setpoint target for the PID control for the Day Mode if not scheduled always in Day mode The input value is compared to this number or the Deadband for the basis of its computations Setp 55 0 Stage 2 Nite Mode The setpoint target for the PID control in the Nite Mode if scheduled The input value is compared to this number or the Deadband for the basis of its computations Setp 60 0 Stage 3 Min Speed The setpoint the minimum speed Setp 65 0 Stage 4 6 sec int The setpoint that sets how often the algorithm will run i e the number of 6 second intervals that will elapse before the speed is adjusted minimum setting is 1 Temp 2 5 Deadband 33 This value is added and subtracted from the Stage 1 setpoint to set the control deadband outside of which the accumulator will operate and output the corresponding value voltage to the analo
99. larm output L A dial out L Log only N no action M morning dial out Disable Time The time in hours and minutes that you want an alarm to be temporarily disabled maximum of 48 hours Repeat Count The number of times you want the alarm to be repeated as long as it has not cleared at one hour intervals up to a maximum of 9 times To change any of the alarm set points press the side key left and or right type in the change press Enter Press Enter again to move on to the next alarm Note A Monitor proof alarm does not have a Trip value as it trips anytime its on off state does not match the associated relay s on off state Other Digital Alarms will specify the on or off state that the alarm is to trip at Float Assignments This screen allows the user to select a primary and a secondary float circuit for each compressor group It will be used to Float the Target Suction Pressure All sensors on the circuit are averaged and the suction pressure is raised 0 5 psi every five minutes if the average temperature is below the circuit cut in temperature setting or lowered if it is above The primary circuit is used at all times except when it is in defrost then the secondary float circuit is used Select Task Setting on the Main Menu with the side key and press Enter Next select Float Assignments with the side key and press Enter The following screen will appear 34 Float Circuit Selection 01 01 SDI
100. ll mounted both in it s own enclosure or in the optional OEM surface mount frame or shallow box configurations The unit should be mounted at or slightly above eye level to provide the best viewing angle for the LCD display The OEM package consists of the processor unit mounted on a standard door with a special frame that can be mounted to the front of the control cabinet through an opening of 10 5 x 12 5 The transformer can then be mounted inside of the OEM control cabinet and connected with the supplied cable A metal shield is attached to the back of the processor board to prevent electrical noise from getting into the system or damage during installation servicing The shallow box version 2 5 inches deep can also be used in a similar fashion but attached to the interior or exterior surface of the rack cabinet The I O boards should be located as close to the load item being controlled or monitored as possible to reduce wiring costs especially the high voltage control and monitoring wiring The rack mount provides a quick and secure mounting All connectors are removable which can be handy in tight spaces or if replacement is necessary Be sure to utilize the proper type and size of wire as outlined on the installation prints The I O boards are rated from 40 to 150 F thus may be mounted in outdoor equipment in most instances The rack card mounting brackets allow the I O boards to be mounted in a vertical side by side or horizontal sta
101. ll use it frequently You may also go directly from the selected task status screen to all items associated with it simply by pressing a number key between 1 and 9 These quick access keys are defined as follows 1 set points 2 schedules if applicable to the selected task 3 relays 4 digital inputs 5 analog inputs 6 analog outputs 7 analog alarms 8 digital alarms 9 removes any computer relays overrides for the selected task A typical Compressor Task status screen is illustrated below All other status screens are similar in structure but have the appropriate inputs outputs and set points displayed for that particular task type See setup information for each task type for further explanation All data on this screen is updated every 6 seconds To get to the task status screen Select Task Status from the Main Menu with the side key press Enter Use the left right side keys to select the desired task from the list and press Enter If the desired task is not visible on the task list screen push the down arrow to get to the next page s The Task Status screen will then be displayed Rack A 25 LT Cmp 01 Mode Normal Run Alarms Clear Suction PSI 10 0p2 Sat Suction 22 0 Initial Target 6 0 Current Tgt 7 0 Float TmpAv 12 1 Float Tgt 12 0 01 SDIC Ckt 1 CurrentAcc 76 5 Head Press 185 0p5 Head Safety 325 0 23 Unit Status Monitor of Grp Run Tdy Yst 1 1 On On 14 296 25 696 35 596
102. llel compressors unloaders of equal or unequal capacities and all control functions associated with compressor control including oil failure control Variable speed and screw compressors are handled as well Condenser Fans Controls air cooled or evaporative condenser water coolers of fixed speed two speed or variable speed design Condensers may be single or multi circuit Provides control of up to 4 splits Only one condenser Task per Rack 4K Temp Defr Circuit Controls and or monitors all aspects of a circuit including temperature control defrost control and case temperature monitoring Satellite Cmpr Controls a satellite compressor and the circuit defrost associated with it Single Cmpr Controls single compressors and their associated defrost HVAC Library HVAC 2 3xx Large Central Packages Provides control and monitoring for large built up central HVAC systems or large doghouse systems Handles single two fan two speed and variable speed fans Maximum of 12 control relay outputs Rtu Small Packages Intended for control of smaller packaged rooftop mounted HVAC units Limited to a fan 2 cool and 2 heat stages 2 Singles Library SNGL 3 3xx Singles Compressor Controls monitors all aspects of a single condensing unit compressor May also control a single compressor with an unloader or a twin dual compressor unit Up to twenty single condensing units may be controlled on a single 4k Condenser Fans Same as Rack
103. llowed to move to 53 The setpoints and their default values that show up here are determined by what options were previously selected If they are not used are put in their place This screen shows setpoints for selected options They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen FAN GROUP 01 Cnd 01 screen 5 Condenser Offsets Setp 100 0 High Safety Limit The head pressure or condensing temperature at which point all fans will be turned on or maximum capacity obtained The value displayed here will be a function of the options previously selected Setp 30 0 Hot Gas Offset This number will be added to the current condensing pressure or temp target when any of the temp defr circuits that are Hot Gas are in defrost mode Setp 40 0 Heat Reclaim Offset This number will be added to the current condensing pressure or temp target when the heat reclaim is ON Sens 5 Sensitivity 1 9 Adjusts the PID constants that determine how fast or slow the control will respond to pressure changes away from the target The larger the number the slower the response Pcnt 30 0 Variable Speed Minimum The slowest speed expressed in percentage that the inverter would be allowed to run the fan motor Pcnt 30 0 Damper Full Open The percentage of the accumulator at which the
104. locations pilot relays could be used instead UNIT HEAT 01 UHT 01 screen 5 Temp Temp Temp Temp Temp Temp Un Ht Ex Fan Zone 65 0 65 0 65 0 65 0 65 0 0 0 Zone 1 The set point at which the unit heater or exhaust fan will be turned ON for Zone 1 Zone 2 The set point at which the unit heater or exhaust fan will be turned ON for Zone 2 if more than one requested Zone 3 The set point at which the unit heater or exhaust fan will be turned ON for Zone 3 Zone 4 The set point at which the unit heater or exhaust fan will be turned ON for Zone 4 Zone 5 The set point at which the unit heater or exhaust fan will be turned ON for Zone 5 Demand Save Limit The maximum demand offset amount that the setpoint may be adjusted for demand control If changes to these set points are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen UNIT HEAT 01 UHT 01 screen 6 Temp Temp Temp Un Ht Ex Fan Zone 2 0 10 0 65 0 Control Differential This value is subtracted or added if Exhaust Fan from the Zone Set point to determine when the relay will be turned Off Night Mode Offset This value is subtracted or added if Exhaust Fan from the Zone set point to determine the Zone set point to run at night i e when scheduled Off Normal Outside Lockout 16 Temp 65 0 Mins 0 Nm
105. log output to control a modulating valve for hot water boiler systems The valve used must accept 0 5 or 0 10 volt dc input Both Provides two analog outputs to control modulating valves for water cooling and heating systems The valves used must accept 0 5 or 0 10 volt dc input Supply Air Sensor Unequipped Equipped Provides an analog input for a supply air sensor this is for monitoring purposes only 70 Return Air Sensor Unequipped Mixed Freeze Sensor Humidity Sensor Type Humidity Sensor Assn Use the side keys to set each option When all are set as desired press Enter to move to the next screen Equipped Provides an analog input for a return air sensor this is for monitoring purposes only Unequipped Assign New Sensor Provides an analog input that will be used to provide freeze protection the cooling will be turned off if the freeze setpoint is reached Mixed Air Provides an analog input to monitor the mixed air temperature no control function Both Provides both a mixed air sensor for monitoring and another sensor input that will be used for the freeze protect function as indicated above Unequipped Relative Humidity Sets up an analog input for a humidity sensor to be used for dehumidification control Dewpoint Sets up an analog input for a dewpoint sensor to be used for dehumidification control Use Common Sensor Uses the existing RH Dewpoint sensor if one has
106. lso changes based upon the refrigerant you have selected PSI 7 0 Suct PSI Target The suction pressure target you want to achieve If you change this value note that the suction pressure target also changes based upon the refrigerant you have selected PSI 1 0 Low Safety The pressure at which the capacity will be lowered one step every 6 sec until the pressure rises above this value or all compressors are off Sens 5 Sensitivity 1 9 This value determines how the PID algorithm responds A 101 larger value slows down the reaction to pressure changes a smaller value speeds up the response Values between 5 amp 9 normally produce the best results Nmbr 0 Schedule Group This only shows up if the setback option was selected previously Enter the desired schedule group 1 50 you wish to use to trigger the set up setback function Nmbr 0 0 Night Offset This only shows up if the setback option was selected previously This setting is added or subtracted to the current target psi when the schedule is inactive This screen shows the main setpoints for the current compressor group They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen Note The last two setpoints will not show up unless the options that they are used for have been selected previously Sngl Ckt 01 Sgl 01 s
107. lt 0 1000 psi Offs f Special purpose User User definable must be linear sensors User 2 User definable must be linear sensors User 3 User definable must be linear sensors User 4 User definable must be linear sensors Note Types that appear as are spares that have not been defined I O Board Numbering System Addressing The input and output boards and each point are referenced in various places by the following scheme where the first two numbers represent the board number from 1 to 16 and the number after the dash represents the point number from 1 to 8 For example 01 1 indicates board 01 point 1 Note When an analog input board with 16 inputs is used it occupies two addresses even though only one physical address switch is set Note For boards with combinations of inputs outputs each type of input will occupy that address For Example the Al 16 DI 8 board will occupy analog addresses 1 amp 2 and digital address 1 The board number address is set by turning the rotary DIP switch located at the top left corner see Figure 3 Appendix A with a small screw driver in the slot or with the fingers when equipped with the appropriate style of switch as indicated on the installation prints i e board 01 0 board 02 1 board 11 A board 12 B etc Remember that each type of board relay digital analog in analog out can have addresses from 1 to 16 for each 4000 Setting Boar
108. ly with MCS 4000 23 Transfer Dif Rotation And Or Math Generator HACCP Mod Valve Test Demo Transfer to Globals Provides two analog inputs computes the difference between and outputs to an analog output for local or global transfer Lead Lag Standby Provides 2 or 3 outputs to provide hourly daily weekly or monthly rotation as in lead lag or standby pumps lead lag and standby outputs may be qualified by one to four digital inputs with and or logic RO qualified by and or DI s Provides one to three relays that may be qualified by one to four digital inputs with and or logic Add subtract multiply divide operations on analog inputs Turn on Generator Provides control of a generator in conjunction with ADV 6000 demand management to limit demand Can also be used to exercise generator on a scheduled basis Sets up analog inputs with a HACCP control number for monitoring product temperatures and keying the appropriate HACCP instruction pages on the AV 6000 Modulating Valve Provides PID control for a modulating valve s with user adjustable parameters Test Demo Output Provides an analog output that can be assigned to an analog input that can be used for testing or demonstrations user can set max min value increment interval and hold at max min to simulate a live analog input 24 Option tasks that have more than one screen are further described as follows Ai Monit
109. modulating dampers It has 8 inputs for analog digital inputs such as zone outside supply air and return air temperatures or digital inputs such as air flow fan proof This board is normally used for the small RTU selection in the HVAC algorithm library but may be used for other applications as appropriate It has the same physical characteristics as the other boards The Singles board has 4 relay outputs 4 digital inputs same characteristics as DI8 board and 8 analog inputs It has the same physical characteristics as the other boards The CIO board has 8 relay outputs that are individually jumper selectable for normally open or normally closed operation It has 8 inputs that may be used for analog or digital inputs dry contact as explained previously Physical characteristics are the same as for all other I O boards The Pulse Solid State Relay Driver board has four outputs that can drive solid state relays for pulsed output applications such as anti sweat heaters or pulse type expansion valves to ten solid state relays can be driven off of each output Physical characteristics are the same as for all other I O boards The MCS 4000 is UL listed recognized and its I O boards are UL recognized It also has CSA approval INSTALLATION An MCS 4000 Installation Manual is available and should be used in conjunction with the following information to achieve the best results Location Mounting The MCS 4000 can be rack mounted or wa
110. n Same as above but locks fan software off Override must be removed before fan will run again Use the side keys to set each option When all are set as desired press Enter to move to the next screen Override Choices screen 5 Test Digital Input Unequipped Equipped Sets up two digital inputs one for cool and one for heat that will force all cooling stages On for an adjustable time interval see next option when the digital input is activated use 90 Test Interval push button type switch then return to normal operation Same action occurs for all heating stages when the heat test input is activated 30 minutes Sets test interval timer to 30 minutes for above option 60 minutes Sets test interval timer to 60 minutes for above option 90 minutes Sets test interval timer to 90 minutes for above option 120 minutes Sets test interval timer to 120 minutes for above option Override Schedule Inp Setpoint Up Dwn Inps Reserved for Future Board Unequipped Equipped Provides a digital input that will put HVAC in day mode Use push button switch Unequipped Equipped Provides two digital inputs One to temporarily raise the System setpoint one degree for each time the input is closed use push button switch up to 4 degrees and one two lower the System setpoint Reverts to previous setpoints at midnight Unequipped Not used at this time Standard Assume
111. nd compressor uses Sentronics oil transducer but no electronics Forces the digital option one di per compressor and implements the Sentronics Copeland oil failure control logic This control has written approval of Copeland 2 Carlyle standard semi hermetic sets up an analog input for each compressor and the default sensor type is the Johnson Controls oil transducer aspare type for future use 4 Screw a generic screw compressor 5 Carlyle Screw 6 Howden Screw 7 Bitzer Screw forces digital control from INT69 s Not to be used if Bitzer has their electronic control present 8 a spare type for future use a spare type for future use gs Note Screw compressors are designated with an S All screws use discharge minus the oil pressure reading for oil failure control EXTRA OPTIONS screen 6 DesuperHt Liq Inject Unequipped DeSup Dsch Sets up a relay and analog input to control a desuperheater based upon the discharge temperature Desup Suct Same as above but based upon suction temperature Liq Inj Suct Same as above but for liquid injection solenoid 43 Freeze Protect MultiCkt Condenser Night Setup Temp Oil Level Switch Digital Inhibits Suct Gas Cooler Same as Desuperheater on Suction but with analog output for pulse control Analog DeSup Provides an analog output for desuperheater control with a pulse type valve Unequipped
112. ng Group Unit Heater Exhaust Fans Options Tasks Al Monitor Task DI Monitor Task RO On Rise Task MCS 4000 USERS MANUAL INDEX CONT Options Tasks cont RO On Fall Task RO and DI Task Analog Out Task Subcooler Task Desuperheater Task Surge Valve Task Crossover Valve Task Freon Sniffer Task Assorted Options Tasks Rack Library Compressor Group Condenser Fans Temp Defr Satellite Compressor Single Compressor HVAC Library Large Central Packages RTU Small Packages SNGL Singles Library Singles Group CSTR Library SECTION 3 APPENDIX Drawings MCS 4000 Front Panel MCS 4000 Processor Board Relay Output Board Digital Input Board Analog Input Board Al 16 Analog Digital Input Board Al 16 DI 8 CIO Board RTUBoard Singles Board Pulse Modulated Output Board Definition of Terms Page 29 31 32 34 35 35 35 36 36 39 49 99 62 67 68 87 95 105 onoono FHWN MCS 4000 MULTI FUNCTION CONTROL SYSTEM USERS MANUAL 10 06 98 INTRODUCTION The MCS 4000 is a microprocessor based control system that may be used for a wide variety of control applications Its particular application is defined by the software firmware called an algorithm library that is installed in the basic controller There are currently 3 libraries that deal with supermarket amp refrigerated warehouse control applications including compression systems circuit control temperature and defrost condense
113. o the oldest use down arrow to step back through the log The last 40 alarms are maintained Use the right arrow to view the Cleared and Acknowledged time stamps 21 Setting The Clock If the time and date do not appear correctly at the bottom right of the display select Miscellaneous on the Main Menu then Set Time on the sub menu Use the right arrow to move to the desired element to change and type in the desired value with the numerical keys Press Enter when done to secure the change Note When a Com 5002 its clock is used to set synchronize the clocks on all 4000 s connected to it The clocks are synchronized every hour at 5 minutes past the hour Setting the MCS 4000 Address Switch If a COM 5002 Communications Controller or 6000 Advantage is present in the installation then each MCS 4000 must have its address switch set to a unique value from 1 to 16 The address switch is reached by opening the door and locating the DIP switch at the middle right side of the CPU board see Figure 2 Set the first 4000 at address 01 and proceed upwards Dip switch settings are shown on the installation drawings Switches 1 5 are used for the address The switch setting can be verified by looking at the bottom line of the display Box01 would indicate that the 4000 had its address switches set to 01 Configuring the System If a COM 5002 is present in the installation then once the global bus is connected to all MCS 4000 controlle
114. oint 1 1 1 2 1 3 1 4 1 5 Offset 0 0 0 0 0 0 0 0 0 0 Scale 100 0 100 0 100 0 100 0 100 0 Five points are shown on the page Pressing a right arrow key will move the highlighted column to the next point and when it reaches the right side of the screen the next point will move in and all columns will shift over Type sets the I O point type Ai Ao E1 E2 Ro Di and Ue unequipped To change the point type press the side key to highlight Type then press the up arrow key to rotate through the choices then press Enter when the desired type is reached E1 and E2 are special logging items that vary by task type Point sets the board and point that the desired item to graph is attached to To change press the side key to highlight Point then type in the board and point with the number keys using either the or to separate the board number from the point number and press Enter The point name and task name will appear near the bottom of the screen so you will know if you have selected the desired item Offset sets the bottom value of the scale as an offset to 0 l e to get the bottom of the scale to be 25 enter 25 for the offset To change the Offset press the side key to highlight offset then use the number keys to type in the offset value use for a minus sign press Enter 41 Scale sets the total range of the vertical scale in units of 10 from 10 to 500 This value is a
115. oint required in a predetermined order leaving no spaces unused points This would give the minimum number of boards required but would not consider that the boards may need to be in different locations for certain tasks Skip by Task assigns all the points required for a given task type category then jumps to a new board s for the next Task type i e condenser would be separate from compressors temp defr circuits would be separate etc This would enable the boards associated with the task type to be physically located where the device is located Either one of these may be used with some manual assignment re assignment to get the desired layout Manual assignment is accomplished as indicated above but selecting Relays Digital Ins Analog Ins and Analog Outs instead of Auto I O Assign Each task is then selected from the Task list displayed The first point of the selected type will then appear Use the side key to select Bd Pt and type in the board and point number with the number keys with a or separating the board number from the point number Note If an assignment is already present remember that for Relays and Analog Outputs the system will not allow you to assign it to another point that has already been assigned You may have to use unused points temporarily to get relays and analog outs moved around Digital inputs and Analog inputs may be multiply assigned if required An a
116. ol system SHIELDED CABLE A cable consisting of multiple wires that are all surrounded by a metal sheath or jack which helps to filter out noise induced by other electrical circuits TERMINAL A device used for communicating with a control system computer which usually consists of a CRT and keyboard TRANSDUCER A pressure measuring device that provides an analog input signal to the control system
117. on only used if doing demand control Two Assigns task to demand control group two Three Assigns task to demand control group three Four Assigns task to demand control group four Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task UNIT HTR EXH FAN screen 3 SPARE Spare circuit LOADING DOCK STOCKING CORRIDOR VESTIBULE This screen lists 5 names that can be used to initially name the unit heater exhaust fan task it has no other function This name can be modified with EZSET2 or through the ADV 6000 and then the program can be downloaded to the 4K with the customized names Select the desired name with the left side key more pages can be reached with the down arrow then press Enter to move on to the next screen Escape return you to the previous screen Cancel aborts the Task set up ZONE USAGE screen 4 Zone Relays Zone Relays 1 gt 1 lt 2 3 gt lt 4 5 gt lt 6 7 gt lt 8 This screen sets up the number of relays outputs desired in the current Unit heater Exhaust Fan task desired for control and on how many boards Zones Use the side keys to select the board 1 8 then use the Up arrow to set up the number of relay outputs desired Press Enter when complete Normally used to put I O boards relays in different panel
118. ontrollers and the central communications controller COM 5002 GUARD TIME A Com Trol term which indicates the amount of time that the system will wait after ar alarm temperature or pressure has been exceeded before the alarm is actuated sounded GUARD TEMP PRESS A Com Trol term which indicates the temperature pressure etc setting that indicate an alarm condition JACK Usually refers to a phone jack which is receptacle that the phone cord connector is plugged into RJ 11 is the name for the standard phone jack LOCAL BUS The communication path between the MCS 4000 controller and its input output boar 12 MENU Generally refers to a list of choices that are displayed on a CRT screen from which tl user selects to have the system perform a specific task or provide desired informatio MODEM A communications device that changes information from computer form to a form suitable for transmission over telephone lines or satellites A modem is required at both ends of the transmission path to convert the signal back to a form useable by printers terminals or computers PASSWORD Code s that must be entered before access to a control system is allowed or to be able to make changes or view specific information within the system PID Proportional Integral and Derivative a method of control which takes into account nt only how far away from setpoint the target item is but how long it has been away fro target and which direction it
119. or Task Analog In Options screen 2 Liquid Temp Unequipped Equipped Provides an analog input for monitoring alarming the liquid refrigerant temperature Drop Leg Temp Unequipped Equipped Provides an analog input for monitoring alarming the Drop leg temperature Freon Detector Unequipped One Two Three Four Five Sets up from one to five analog inputs for freon leak detectors Outside Temp Unequipped Equipped Provides an analog input for monitoring alarming the Outside temperature Misc Temp Unequipped One Two Three Four Five Sets up from one to five analog inputs for miscellaneous sensors Remember to select the appropriate sensor type s when assigning the input Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task This completes the set up of an Ai Monitor Task Di Monitor Task Control Options screen 2 of Stages Inputs One Two Three Four Five Six Sets number of digital inputs desired from one to six Scheduled No Yes Not applicable to Di monitors Use the side keys to set all options then press Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task This completes the set up of a Di Monitor Task 26 MHGas Valve Task
120. or in degrees Celsius Hi C Com Trol high temp sensor in degrees Celsius Dewp f Com Trol dewpoint sensor degrees Fahrenheit Dewpc Com Trol dewpoint sensor degrees Celsius Etmp f Not available at this time Etmp c Not available at this time Johns6 Johnson Controls oil pressure transducer 6 psi trip Johns9 Johnson Controls oil pressure transducer 9 psi trip Abient Ambient temp sensor with special range Car 5K Accepts the Carlyle 5k sensor built into screw comps P100 Com Trol 12v pressure transducer 0 to 100 psi P200 Com Trol 12v pressure transducer 0 to 200 psi P500 Com Trol 12v pressure transducer 0 to 500 psi P1000Com Trol 12v pressure transducer 0 to 1000 psi 4 20ma Yields 1 5 v requires 250 ohm 19 resistor across input FtCndl Com Trol light level sensor 0 300 foot candles Frost Not available at this time Cfreon Com Trol Freon sensor 1 to 6 volts O 2000 ppm Ammonia Com Trol ammonia sensor 1 to 6 volts 0 300 ppm Oil Pr Differential pressure xducer 1 to 6volts 0 100psi HnsLq Hansen liquid level sensor 1 to 6 volts to 100 Margau Margaux temperature sensor AD590 Percnt Percent based on 0 to 5 volt input Freon Freon sensor 0 to 5 volts 0 500 ppm P100 E Com Trol Eclipse pressure transducer 5 volt 0 100 psi P200 E Com Trol Eclipse pressure transducer 5 volt 0 200 psi P500 E Com Trol Eclipse pressure transducer 5 volt 0 500 psi P1000E Com Trol Eclipse pressure transducer 5 vo
121. p to supply answers or make correct choices required in the setup procedure Make sure you have this information before beginning the Setup 15 Com Trol also has the Setup procedure available on a diskette or bulletin board that allows the user to perform the setup on a PC and to printout an input output board points list This program also allows the setup information to be uploaded to and or downloaded from the 4000 when direct connected from the PC to the global communications port utilizing an RS 232 485 adapter module available from Com Trol or it can be loaded through the COM 5002 or 6000 Advantage when present This program is called EZSET2 A separate manual is provided for EZSET2 See the Setup section of the manual for complete information Passwords Passwords are built in to the MCS 4000 to provide some measure of security for preventing unauthorized individuals from changing set points or performing other operations which can have a profound affect on the operation of the system Three passwords are present in the MCS 4000 They are initially set up as follows Level 1 7777 Level 2 8888 Level 3 9999 The high level password is necessary to perform the Setup operation Auto Assign I O Clear the program memory Clear the Alarm History Edit Passwords to change the Run Stopped or Monitor modes and to setup Board Types To change the passwords the high level password must first be active and then the c
122. p values are to be used Three Provides three zone sensors to be used for control the Zone Control Method above will determine how the three zone temp values are to be used Four Provides four zone sensors to be used for control the Zone Control Method above will determine how the four zone temp values are to be used Five Provides five zone sensors to be used for control the Zone Control Method above will determine how the five zone temp values are to be used 69 Heat Reclaim Flush Unequipped Relays to Dehumidify Equipped Sets up a control strategy that will turn on each stage of heat reclaim starting at 2 00 am running each stage for 10 minutes then waiting 5 minutes before turning on the next stage and so on until all stages have been flushed Unequipped Equipped Sets up separate relays from the cooling relays to provide the dehumidification function The number of relays stages is specified on a later screen This is normally only used in special systems specifically designed to treat outdoor separately Use the side keys to set each option When all are set as desired press Enter to move to the next screen Lrg Pkg Options 2 screen 2 Modulating valve s Unequipped Cooling Circuit Provides an analog output to control a modulating valve for water chiller cooling systems The valve used must accept 0 5 or 0 10 volt dc input Heating Circuit Provides an ana
123. pin for each output that must be set to the desired output range 0 5 0 10 0 15 amp 0 20 vac It is shipped with the pins set at O to 10 volts See the installation drawings for type and size of wire and restrictions RTU Board The RTU board has all the inputs and outputs normally associated with the operation of a typical small RTU unit on it as described previously It has the same analog circuitry as the Al 8 and Al 16 boards See the installation prints for wiring hookup Singles Board The Singles Board has all the inputs and outputs normally associated with the operation of a typical condensing unit on it as described previously It has the same analog circuitry as the 8 and Al 16 boards but dry contact are not available as it has 4 high voltage DI inputs on it See installation prints for wiring hookup CIO Board The CIO board has 8 relays and 8 analog inputs Jumpers must be set for normally open or normally closed contact operation for each relay It has the same analog circuitry as the Al 8 and Al 16 boards See installation prints for wiring hookup Pulse Modulated Output Board The pulse modulated output board provides 4 drivers that can operate solid state relays not to be used to drive coils contactors Normal application is in conjunction with Com Trol s anti sweat heater control panel See installation prints for wiring hookup COM TROL MCS 4000 BASIC INFORMATION amp OPERATIONS Getting Started The
124. produce a dry contact For use with dry contacts an external voltage source must be used Analog Input 8 or 16 The analog digital input board can be ordered with 8 or 16 inputs It may be used for various analog sensors or for digital inputs dry contact only NOTE If used for dry contact Dl s the input must still be treated like an analog input Refer to Com Trol Tech Note 95001 and the installation drawings There is a jumper to tell whether the board is being used for analog inputs only or analog and digital There are two switches for each input to support various types of sensors The following table illustrates the switch settings and the sensor type supported SURFACE MOUNT SWITCHES STYLES OF SWITCHES ro Cli HOLE SWITCHES FOR ANALOG INPUTS FOUR OPTIONS FOR EACH Al POINT UP OFF ODWN ON CLOSED 157 SWITCH DOWN UN 2 SWITCH DOWN UN 1ST SWITCH DOWN ON 2ND SWITCH UP OFF 1ST SWITCH UP OFF 2ND SWITCH DOWN ON 1ST SWITCH UP CFF 2ND SWITCH UP OFF STANDARD COM TROL SENSORS TEMP SENSOR LIGHT SENSOR RELATIVE HUMIDITY SENSOR PRESSURE TRANSDUCER ETC 10K THERNISTORS CPC DIGITAL INPUTS DRY CONTACT MARGALIX QUEST TEMP PROBES A0390 USE 12V amp INPUT WTH POLARITY SELECT NARGAUX SENSOR TYPE HIGH IMPEDANCE DEMCES HANSEN LIQUID LEVEL ECLIPSE TRANSDUCER SV COM TROL FREON SENSOR PARKER MOISTURE SENSOR ALL 4 2DNA I
125. puts calculates the average of the group and outputs the value to an analog output for local or global transfer Transfer to globals Provides a temperature input and computes a pressure based upon the refrigerant selected assuming saturation Provides an analog output for local or global transfer Transfer to globals Provides a pressure input and computes a saturated temperature based upon the refrigerant selected Provides an analog output for local or global transfer Adjustable float passing Provides an analog input to use for floating suction pressure that has adjustable settings for setpoint deadband control interval and amount of float adjust per interval Provides a digital input to trigger the hot gas relay flag Has suction group assignment and delay time before off setpoints Relay Runtime Cycle Alarm Provides runtime and cycle alarms for one to six relays Provides alarms for total runtime maximum daily hours and maximum daily cycles minimum daily hours and minimum daily cycles DI Runtime Cycle Alarm Provides runtime and cycle alarms for one to six digital inputs Provides alarms for total runtime maximum daily hours and maximum daily cycles minimum daily hours and minimum daily cycles Alarm 1 direct by 4K Same as Alarm 1 except does not require a ADV 6000 i e can use directly with MCS 4000 Alarm 2 direct by 4k Same as Alarm 2 except does not require a ADV 6000 i e can use direct
126. r and move on to the next screen Note The four character name can be modified with EZSET2 if desired SENSOR COUNT screen 5 Cnt 1 Supply Air Sensors Determines the number of supply air sensors desired Maximum of 12 unless then maximum of 10 64 Cnt 1 Cnt 0 Cnt 0 Nmbr 1 Nmbr 1 Termination Sensors Determines number of digital inputs provided for Klixons or termination stats Maximum of 12 Normally use one and wire stats in series Frost Sensors Not currently available future control of defrost initiation by a frost sensor Door Sensors Provides digital input s for alarm control as specified previously Ckt Number Enter the circuit number designation to match the rack RS numbering Automatically increments based upon previous circuit but you may change as desired Assoc CMPR Group Number Indicates which suction group the circuits are associated with Not necessary to change unless multiple hot gas pressure differential valves are present This screen shows setpoints for selected options They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen TEMPERATURE screen 6 Setp 22 0 Setp 2 0 Setp 37 0 Setp 0 0 Circuit Setpoint If solenoid control selected determines when refrigeration relay will be turned on Control Differential If soleno
127. r each temp defrost circuit The Status listed in the second column can have the following states On refrigeration On Off 2 refrigeration Off Defr in defrost refrig off Drip defrost and refrigeration off Ovrd manual emergency defrost Wash washdown refrigeration and defrost off for timed period Pdwn pumpdown mode defrost off Failsafe programmed failsafe maximum defrost duration Drip the drip run off time setting refrig and defrost off Term the defrost termination value for temperature termination 28 Temp the lowest temperature of all sensors on the circuit that was reached at the time of termination the last time a defrost was performed Time1 through Time6 the scheduled defrost start times Alarm History Each MCS 4000 can store the last 40 alarm events that have occurred Select Alarm History from the Main Menu with the side key and press Enter The newest is always shown at the top of the first page The date and time that each alarm occurred cleared and was acknowledged is stored for each and can be reach by pressing the right arrow To acknowledge all current alarms that have not been acknowledged press the Cancel key while viewing this screen The alarms can be viewed in different categories if desired by pressing the number keys while viewing this screen All Categories 1 the default screen all types of alarms Out of Operating Parameters 2 high low etc Bypasses and Overrid
128. re selected on previous screen Temp 60 0 Stage 3 Min Speed The setpoint below which the relay for stage 3 will turn On If three stages were selected on previous screen Temp 65 0 Stage 4 6 sec int The setpoint below which the relay for stage 4 will turn On If four stages were selected on previous screen Temp 2 5 Deadband This value is added to the stage setpoint s to determine when the relay s will be shut Off Nmbr 0 Schedule Group If scheduled option selected assigns to specified schedule group for TOD control Relay s Off when scheduled Off 30 If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen AddOnCkt 01 Opt 01 screen 4 Mins 0 0 Hold Off Delay The amount of time the relay will be held off before turning on when setpoint is exceed If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the set up of a RO on fall Task RO and DI Task Control Options screen 2 of Stages Inputs One Sets up one relay with one digital input Two Sets up two relays with one digital input for each relay Three Sets up three relays with one digital input for each relay Four Sets up four relays with one digital input for each rel
129. required It is 20 of the Failsafe Time setpoint For example if the failsafe time is 35 minutes then the defrost will run for a least 7 minutes 2 x 35 7 before it will be allowed to terminate Note Klixon or termination stats can be either make on raise or open on rise This does not affect the control strategy set up A change in state of the digital input is looked for either off to on or on to off 61 Satellite Cmpr CIRCUIT OPTIONS screen 1 Compressor Monitors Unequipped Equipped Provides a digital input to monitor proof the compressor Temp Alarms Type Indiv individual Provides an alarm high and low for each supply air temperature sensor requested Group Provides one alarm for the circuit Looks at all temp sensors but they are compared to the same alarm setpoints Compressor Control Pressure Defrost Control Controls the compressor by the suction pressure Compressor is turned ON when the pressure reaches the Circuit Setpoint Value and OFF when it drops to the Circuit Setpoint minus the Control Differential setpoint value Temperature Controls the compressor by the circuit temperature average Compressor is turned ON when the average temperature reaches the Circuit Setpoint Value and OFF when it drops to the Circuit Setpoint minus the Control Differential setpoint value Group Termination Provides a single defrost relay for the circuit Defrost is terminated when all the
130. resent can perform both the temperature control and defrost functions Equipped Provides a defrost relay in addition to a refrigeration relay for time time temp defrost circuits Normally used if a relay is needed to activate a light on the rack panel Unequipped Alarm Only Provides the number of digital inputs specified on a 56 later screen and an alarm to monitor cooler freezer box doors Refr OFF lt 15 min Same as above but turns off the circuit refrigeration relay whenever the door is open for up to 15 mins Refr OFF 30 45 60 min Same as above with timers of 30 45 or 60 minutes Use the side keys to select all desired options then press Enter to move to the next screen DUAL TEMP WASH DOWN screen 2 Wash Down Switch Unequipped Equipped Provides a digital input that will shut off refrigeration and defrost for an adjustable time period Automatically resumes normal operation when time expires Cmpr Task Off in Dfr No Night Setup Temp Dual Temp Case Dual Temp Switch Yes Only used for single compressor tasks where you want the compressor to turn off while the circuit is in defrost Not applicable to racks Unequipped Equipped Allows a circuit to run at a different control temperature based upon a schedule Unequipped Equipped Provides set up for a dual temp circuit Provides two sets of setpoints based upon two fixture types selected for temp control de
131. rp Task follow in sequence with all options and control strategies explained RACK GROUP Type screen 1 Primary Use this selection for any single suction or multiple suction non two stage rack Up to four primary or secondary suction groups tasks can be setup in one MCS 4000 with Rack software library Secondary Used when multiple suction groups are present on the same rack for the second suction group Not required may use multiple primary groups if desired Hi Stage High stage of a two stage rack Program the high stage first then the low stage Automatically provides the interlock whereby if any compressor is running on the low stage the high stage will force a compressor to run Lo Stage Low stage of a two stage rack works in conjunction with the high stage group above 39 Use the side key to select the desired Rack Type then press Enter REFRIGERANT screen 2 R 502 R 507 AZ50 R 22 R 402B HP80 R 12 R 402A HP81 R 717 Ammonia R 401B MP66 R 134A G 125 R 404A HP62 R 401A MP39 This screen lists 12 of the most commonly used refrigerants The MCS 4000 uses this information to provide the Temperature Pressure conversions in various places Thus you will know what the saturated suction temp is based upon the suction pressure condensing temp based upon the head pressure etc Use the side key to select the desired Refrigerant Type then press Enter SUCTION TEMP F screen 3 x
132. rs HVAC TOD scheduling and miscellaneous A fourth library is available for drug store or C Store applications where simple compressor control lighting and HVAC are required One 4K may be used to control the complete operation of a Rack or single Condensing unit or HVAC and Lighting The MCS 4000 is capable of performing 50 assignable tasks A task is a defined unit of control Any single task can have a maximum of 12 relay outputs 12 digital inputs 12 analog inputs and 4 analog outputs An example of a task is the control of one refrigeration circuit This task would include the defrost relay temperature control relay control temperature analog inputs termination temperature inputs or digital inputs and appropriate alarm indicators Thus while a large number of points could be used to control this single circuit it is only considered as one task to the controller giving the MCS 4000 sufficient capacity to handle even the largest refrigeration racks The MCS 4000 may be used in a totally stand alone environment or multiple 4K s may be connected to a COM 5002 Communications Controller or to the 6000 Advantage color touch screen MMI man machine interface via the high speed COM NET global bus providing complete centralized local and remote communications The COM 5002 or 6000 is also necessary to pass information between multiple 4K s to interface with the PMA pulse meter adapter which handles up to eight utility meter pulse
133. rs and each 4000 has been setup programmed the system must be configured This is accomplished by plugging in a terminal or PC to the local RS 232 port on the 5 or by calling it up over the phone line utilizing the built in modem When the system answers connects type in the number that represents the type of terminal or PC you are using The password screen will appear Enter the password initially set to UEI450 The Main Menu will then be displayed Type Z to obtain the Monitor Commands menu Select Configure All and press Enter The COM will then start polling at address 01 over the global bus For each 4000 that responds the tasks information and default names will be created for the system task menu This process will be repeated for each 4000 that responds The COM 5002 has now stored the system configuration in its battery backed memory If the Task or I O configuration is altered at anytime after this process then it needs to be repeated to obtain the new configuration information Refer to the COM 5002 Users Manual for further information on communications 22 USING THE SYSTEM The MCS 4000 provides the user with an abundance of information The following discussions deals with the screens that you will normally use once the system has been programmed and is up and running Task Status The Task Status screen provides you with the most complete data picture of what is currently going on with each task and you wi
134. ry 6 sec until all compressors are off or the pressure falls below the High Safety minus the Head Safety Deadband Head Safety Deadband This value is subtracted from the High Safety to determine the pressure at which compressors will be sequenced back on Var Spd Min The lowest speed percentage that a V8 compressor will be allowed to operate normally 5096 Applies to all VS compressors in the group This screen shows the head safety and variable speed setpoints for the current compressor group They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen COMPR GRP 01 CMP 01 screen 10 Oil Failure PSI 10 0 Secs 60 Secs 30 Cnt 0 Oil PSI Trip Level The pressure at which the oil fail timing will begin Oil Time Delay Sets the time out value when the associated compressor will be turned off Oil Inhibit Delay Sets the amount of time in seconds that the compressor will be held off before re trying Oil Retry Cnt Sets the number of retries permitted before the compressor is locked off when an oil failure condition has occurred 47 Temp 250 0 Disc Temp Cutout The temperature at which the compressor will be shut down for protection on high discharge temp Secs 30 Oil Level Delay The time delay before shutting the compressors down when the oil level input trips
135. s The user then has to enter or modify only a few set points to suit the specific application I O points may be automatically or manually assigned The 4K thus greatly simplifies and speeds up the set up and programming process typically experienced in other controllers 4 The 4K also features a built in manual that is accessed from any screen by pressing the HELP key This is another feature that separates it from other systems If the user doesn t understand a particular screen or question simply pressing the HELP key provides the explanation The documentation is always at hand it can t walk away Figure 1 illustrates the interconnection of the MCS 4000 and its I O boards on the Local Bus and the ADV 6000 or COM 5002 on the COM NET Global Bus FIGURE 1 MCS 4000 ADV 6000 COM NET COMMUNICATIONS ADV 6000 0 5000 GLOBAL BUS To Other MCS 4000 or MCS 4500 Controllers Relay Board AL amp DL Board Board LOCAL BUS To Other Boards The CPU board utilizes a Hitachi 64180 microprocessor running at 6 MHz 256K of EPROM is provided for program storage and 256K of battery backed ram for temporary data storage It has two communications ports the local I O bus RS 485 19 2 Kbaud and the Global COM NET communications bus RS 485 38 4 Kbaud A reset switch is provided to re boot the system Two alarm outputs are provided to drive a remote audible SONALERT alarm and a visual al
136. s and for the custom 25 character descriptions associated with each I O point The 6000 Advantage provides many other features See the 6000 Manual for more information The input output is fully distributed That is the I O boards may be located up to 5000 feet from the 4K controller The I O boards are connected to the 4K by the 3 RS 485 high speed Local Bus with a 3 conductor cable There are 10 types of input output boards of various configurations including 3 combination boards The 4K can support up to 16 relay board addresses 16 analog addresses 16 digital board addresses and 16 analog output board addresses as the long as the total point count does not exceed the following rules Relays Digital Inputs Analog Inputs Analog Outputs 63 63 127 31 There are ten analog inputs that are always assumed to be present whether used or not They are called global inputs They are included in the 127 total They are head pressure intermediate pressure ambient temp liquid temp drop leg temp low gas Al light level 1 dew point relative humidity and 2 spares There are also 32 local transfer points used to pass computed values within a 4K and 32 global transfer points used to transfer inputs between 4K s over the global bus The 4K utilizes a 16 line x 42 character back lit LCD display and a unique keypad arrangement that takes system setup programming and interrogation to an unprecedented level of ease This controll
137. s a graphic representation of the defrost schedules for all temp defrost circuits setup programmed Select Miscellaneous with the side keys on the Main Menu and press Enter Select Defrost Time Map with the side keys and press Enter The following screen will appear Defrost Time Map 111111111122222 Circuit Time gt 0123456789012345678901234 01 SDIC 02 RIFF 03 MDFF Etc The name of the temp defr circuit s is given in the first column If there are more circuits than will fit on the screen 10 press a down arrow to bring more into view The defrost times are then shown under the 24 hours scale with midnight being the first time A block a sign is used here is placed under the 1st half of the hour or second half 43 whichever the actual defrost start time is closest to A full size block is used for hot gas defrosts and a smaller block for all other types If there are Hot Gas defrost present that overlap another line will appear at the bottom of the screen labeled Hot Gas Overlaps with blocks positioned under the times that the overlaps occur This enables the user to quickly see any times that need to be altered to make sure that sufficient hot gas is available Schedule Overrides For any task that has a schedule this screen provides access to place it in the scheduled On mode if it is currently scheduled Off Use the side key to select Schedule Override from the Main Menu then press Enter Pr
138. s for RO on Rise with the default Type of Input set to Zone Motor Rm Htr Task Same screens apply as for RO on Fall with the default Type of Input set to Zone Misc Pump Task Same screens apply as for RO on Rise with the default Type of Input set to Misc Hot Water Ht Task Same screens apply as for RO on Fall with the default Type of Input set to Misc Heat Reclaim Task Same screens apply as for RO and DI with the default Type of Input set to Misc 36 Parallel Byp Task Same screens apply as for RO and DI with the default Type of Input set to Misc If a switch is present to implement the bypass action then it should be tied into the digital input If not do not assign the DI just wire the relay so that if the I O losses power the proper failsafe condition is obtained to switch over to the back up controls Dsc tmp lock Task Same screens apply as for RO on Rise with the default Type of Input set to Misc Low Oil Tmp Task Same screens apply as for RO on Fall with the default Type of Input set to Misc Hi Oil temp Task Same screens apply as for RO on Rise with the default Type of Input set to Misc Oil Cooler Task Same screens apply as for RO on Rise with the default Type of Input set to Misc Cil Heater Task Same screens apply as for RO on Fall with the default Type of Input set to Misc Oil Pump Task Same screens apply as for RO on Rise with the default Type of Input set to Misc Cil Solenoid Task
139. s standard relay board for I O assignment RTU 6 Assumes RTU 6 board when doing automatic assignment Use the side keys to set each option When all are set as desired press Enter to move to the next screen Rooft Pkg 01 Rft 01 screen 6 System Setp s Temp 72 0 System Target Temperature The control setpoint against which all offsets are applied to arrive at the stage setpoints Provides a way to adjust all stage setpoint up or down by changing just one setpoint 91 Temp 2 0 Control Differential This value is subtracted or added to the stage setpoints to determine when they will turn off Mins 0 Sensor Delay Off The amount of time that must elapse after the stage is turned off before it can be turned On again Mins 0 Sensor Delay On The amount of time that must elapse after the stage is turned On before it can be turned Off again Mins 0 Override The timer value for the Override Schedule Inp option Pcnt 0 0 Fan Minimum Speed Only applies if variable speed fan was selected previously Sets the lowest speed that the fan will be able to run Will stay at minimum speed between the 1st stage of cooling setpoint and the 1st stage of heating setpoint Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen Rooft Pkg 01 Rft 01 screen 7 Cool Setp s Temp 4 0 76 0 Stage
140. s the Rack software The temp defrost portion of the control is linked to the compressor by specifying which compressor group 1 20 the circuit is associated with The only unique task type is the compressor control section and it shares many similarities features with the Rack Compressor task The setup for the single compressor task follows Refer to the Rack Library and common task explanations previously for an explanation of them Singles Grp Refrigerant screen 1 R 502 R 507 AZ50 R 22 R 402B HP80 R 12 R 402A HP81 R 717 Ammonia R 401B MP66 R 134A G 125 R 404A HP62 R 401A MP39 This screen lists 12 of the most commonly used refrigerants The MCS 4000 uses this information to provide the Temperature Pressure conversions in various places Thus you will know what the saturated suction temp is based upon the suction pressure condensing temp based upon the head pressure etc Use the side key to select the desired Refrigerant Type then press Enter SUCTION TEMP F screen 2 35 0 F 5 0 F 30 0 F 10 0 F 25 0 F 15 0 F 20 0 F 20 0 F 15 0 F 25 0 F 10 0 F 30 0 F 5 0 F 35 0 F 95 Selects the suction temperature which will in turn select the initial target suction pressure based upon the refrigerant chosen above This value can be changed on a later screen or anytime thereafter Value also sets LT or MT 20 and above that is appended to the default compressor task name Use the side key to
141. shut down the fan and all stages when the input is On so filter service or other work may be performed Phase Loss Monitor Unequipped Equipped Provides a digital input for phase loss control shuts down the fan when the input is On which will cause all cooling and heating to turn off with loss of airflow proof Smoke Detector DI Unequipped Alarm Only Provides a digital input to connect to the smoke alarm contacts for alarm purposes only no control action System Shutdown Same as alarm only but shuts down the entire HVAC system Note Smoke sensor should also kill control power directly so as not to depend upon the 4K to provide the safety shutdown Filter Clogged DI Unequipped Alarm Only Provides a digital input to indicate dirty filters via a differential pressure switch System Shutdown Same as above but locks fan software off Override must be removed before fan will run again Use the side keys to set each option When all are set as desired press Enter to move to the next screen Override Choices screen 6 Test Digital Input Unequipped Equipped Sets up two digital inputs one for cool and one for heat that will force all cooling stages On for an adjustable time interval see next option when the digital input is activated use push button type switch then return to normal operation TI Same action occurs for all heating stages when the heat test input is activated Test Interval 9
142. sk with side key upper left and press Enter A list of Tasks will be displayed as appropriate to the software Library present in the 4k you are working on Use the side keys to select the desired Task Type and press Enter You will then proceed through a series of screens as appropriate to the task type selected Refer to the Library and Task type information that follows The set up is performed on a Task by Task basis A Task is defined as a job to be done A program is a collection of tasks necessary to meet the needs of an application Each MCS 4000 may have one Library installed The following is a list of the available Libraries and the task types they contain Tasks that are common to all Libraries include Anti sweat Grp Controls case anti sweat heaters based upon dew point or relative humidity Control may be by relays on 5 10 or 15 minute cycles or by pulse solid state relays on a 6 sec interval Lighting Grp Provides scheduling time of day control Light level control by photocell digital or light level sensors analog is available Push button overrides are an option Unit Heaters Exhaust Fans Provides control of unit heaters and or exhaust fans Options Task There are currently 63 different Option Task Types including such things as Al Monitors DI Monitors subcoolers Master Hot Gas Valve Surge Valve Heat Reclaim etc Rack Library RACK 1 3xx Compressor Grp Provides control and monitoring of up to 8 para
143. sor amp unloader and whether it is a VS variable speed compressor or not NOTE If you are automatically directed to this Help screen then you have not entered the capacity of each compressor unloader this is a required entry Press Escape to return to the screen and make sure all capacity entries have been made To enter the capacity press the side key corresponding to the desired compr unloader then type the capacity value with the number keys and press Enter Proceed until all entries are completed Press Enter again to move on to the next screen If variable speed is being used press the side key next to the VS compressor s then press the up arrow key reg will change to VS Press Enter to secure the change Note It does not matter whether you enter HP or Mbtuh as long as the value of each compressor unloader accurately reflects its capacity relative to the others Note When entering capacity for a compressor with unloaders enter the total capacity for the compressor and the amount of capacity that the unloader contributes for each unloader COMPR GRP 01 CMP 01 screen 8 Compressor Temp 35 0 Suct Temp Target The saturated suction temperature target you want to achieve If you change this value note that the suction pressure target also changes based upon the refrigerant you PSI PSI Sens Nmbr Nmbr 7 0 1 0 0 0 have selected Suct PSI Target The suction pressure target you want
144. ss Enter to move on to the next screen Escape returns you to the previous screen and Cancel aborts the set up of the current Task AddOnCkt 01 Opt 01 screen 3 Stages Temp Temp Temp Temp Temp Nmbr 50 0 55 0 60 0 65 0 2 5 Stage 1 Day Mode The setpoint at which the relay for stage 1 will turn On when the selected input value exceeds it Stage 2 Nite Mode The setpoint above which the relay for stage 2 will turn On If two stages were selected on previous screen Stage 3 Min Speed The setpoint above which the relay for stage 3 will turn On If three stages were selected on previous screen Stage 4 6 sec Int The setpoint above which the relay for stage 4 will turn On If four stages were selected on previous screen Deadband This value is subtracted from the stage setpoint s to determine when the relay s will be shut Off Schedule Group If scheduled option selected assigns to specified schedule group for TOD control Relay s Off when scheduled Off 28 If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen AddOnCkt 01 Opt 01 screen 4 Mins 0 0 Hold Off Delay The amount of time the relay will be held off before turning on when setpoint is reached If changes to these setpoints are desired select item with the Left Side keys then ent
145. sterisk will be placed after the Bd Pt to indicate multiple assignment Note The EZSET2 editor may also be used to assign See EZSET2 Manual Assignments may be changed at any time for service or installation purposes Overrides Any input or output may be overridden forced to a specified on off state or value for analog input and outputs Overrides are useful for testing or to temporarily fix a bad sensor Relay Override Select Task Settings on the Main Menu with the side key and press Enter Select 4 Menu with the side key press Enter Select Relays with the side key press Enter Enter password if prompted Pick the desired task from the list of tasks displayed with the side key press Enter use the up down arrows to get to other tasks if not displayed on current page The first relay associated with the selected task will be displayed Use the side key to select State then use the up down arrows to toggle through the choices Com On computer control On put relay in override On Off 2 put relay in override Off Press Enter to secure the desired state Proceed through rest of relays as appropriate Pressing Enter continues through all relays associated with the selected task 19 Relay or other I O types will remain in the selected overridden state until user puts back to Com mode Digital Ins same process as for relays except select D
146. t 1 lt 2 3 gt lt 4 5 gt lt 6 7 gt lt 8 This screen sets up the number of relays outputs desired in the current Lighting task for control and on how many boards zones Use the side keys to select the board zone 1 8 then use the Up arrow to set up the number of relays analog outputs desired Press Enter when complete Normally used to put I O boards relays in different panel locations pilot relays could be used instead LIGHTING 01 LIT 01 screen 5 Lighting Control Fcnd 20 0 Turn ON Level The light level at which the circuit will be turned On after the Turn On Delay timer see below expires if the circuit is scheduled to be ON Fcnd 35 0 Turn OFF Level The light level at which the circuit will be turned Off after the Turn Off Delay timer see below expires Mins 1 Turn ON Delay The delay time in minutes that must expire once the light level has gone below the turn On setting before the circuit will turn ON assuming it is scheduled to be ON Mins 1 Turn OFF Delay The delay time in minutes that must expire once the light level has gone above the turn Off setting before the circuit will turn Off Prevents short cycling due to dark clouds thunderstorms 11 If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen LIGHTING 01 LIT 01 screen 6 Lighting Control Mins
147. t of time that must elapse before the stage is turned Off Post delay Mins 0 Sensor Delay On The amount of time that must elapse before the stage is turned On Pre delay Nmbr 1 Schedule Group The time of day schedule group that this task is assigned to Pcnt 0 0 Fan Minimum Speed Only applies if variable speed fan was selected previously Sets the lowest speed that the fan will be able to run Will stay at minimum speed between the 1st stage of cooling setpoint and the 1st stage of heating setpoint Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen Large Pkg 01 Cen 01 screen 8 Cooling Offsets Temp 4 0 76 0 Stage 1 This value is added to the System setpoint to determine the temperature at which the 1st stage of cooling will be turned On The resultant setpoint is shown in parenthesis Temp 50 77 0 Stage 2 This value is added to the System setpoint to determine the temperature at which the 2nd stage of cooling will be turned On The resultant setpoint is shown in parenthesis Temp 6 0 78 0 Stage 3 This value is added to the System setpoint to determine the temperature at which the 3rd stage of cooling will be turned On The resultant setpoint is shown in parenthesis 79 Temp 7 0 79 0 Stage 4 This value is added to the System setpoint to determine the temperature at which t
148. t one compressor in the group is running to prevent flooding Time 0 Delay Time Not used If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the set up of a Desuperheatr Task Surge Valve Task Same screens apply as for RO on Fall with the default Type of Input set to Drop Leg Crosovr Valv Task Same screens apply as for RO on Rise with the default Type of Input set to Misc and the following screen is added in between screens 2 amp 4 AddOnCkt 01 Opt 01 screen 3 Suction Group Association Nmbr 1 Suction Group This associates the Crossover valve with the specified Suction group to provide an interlock such that the Crossover valve will not turn On unless at least one compressor in the group is running to prevent flooding Normally suction pressure is used for this control so make sure you set the sensor type to P200e sensor type if that s the case 35 Time 0 Delay Time Not used If changes to these setpoints are desired select item with the Left Side keys then enter the value with the Number keys and press Enter Press Enter again to move to the next screen This completes the set up of a Crosovr Valv Task Freon Sniffr Task Same screens apply as for RO on Rise with the default Type of Input set to Sniffer Motor Rm Fan Task Same screens apply a
149. t reclaim setpoint that the fan will start to ramp up from the minimum speed setting This offset is added to the first stage heat recovery setpoint Only applies to Variable Speed 81 Mins 0 Override The time in minutes that the heat recovery would be turned On if the Override Schedule Input option was selected and the digital input was activated by a push button switch Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen Large Pkg 01 Cen 01 screen 11 Ht Reclm Inhibit Temp 8 0 64 0 Night Mode Offset The amount that will be subtracted from the System setpoint during the night mode to base the Ht Reclaim offsets against Temp 65 0 Normal Outside Lockout The temperature of the ambient outdoor air above which the heat reclaim will not be allowed to operate during the day scheduled on mode Temp 65 0 Night Mode Lockout The temperature of the ambient outdoor air above which the heat reclaim will not be allowed to operate during the night scheduled off mode Temp 0 0 72 0 Demand Save Limit If demand control is being used sets the maximum amount that the heat reclaim setpoints may be lowered for demand control Temp 0 0 68 0 Fan Full Speed This Value is subtracted from the 1st stage of heating setpoint to determine the zone temp at which the fan will be at full speed A linear r
150. t the maximum float value and the Low Limit value is subtracted from the Initial Target pressure to obtain the minimum float value Use the side keys left and right to select both the High and Low Limits then press Enter Note If no float assignments have been made the Target pressure will not float regardless of these settings see Float Assignments Setup Menu Refer to the Setup Section of the manual for a full discussion on this topic Menu The Menu includes the following items Relays Digital Ins Analog Ins Analog Outs Auto I O Assign Board Types Board Status Relays Digital Ins Analog Ins and Analog Outs are covered in the Setup section of the manual and in the Basic Information and Operations section Please refer to these sections for information on this item Auto I O assignment is covered in the Setup section of the manual please refer to it 36 Note You should not need to use this function after the system is set up and running unless you want all the I O assignments to be re done This could have drastic results unless you know what you re doing It requires the high level password for this reason Board Types is covered both in the Setup and Basic Information sections of the manual Board Status The board status screen is a handy diagnostic tool to determine the communication state of the local bus to all I O boards Use the side key to select Task Settings from the Main Menu Next s
151. tant setpoint is shown in parenthesis Temp 5 0 67 0 Stage 2 This value is subtracted from the System setpoint to determine the temperature at which the 2nd stage of heat will be turned On The resultant setpoint is shown in parenthesis Temp 8 0 64 0 Night Mode Offset The amount that will be subtracted from the System setpoint during the night mode to base the heat offsets against Temp 65 0 Normal Outside Lockout The temperature of the ambient outdoor air above which the heat will not be allowed to operate during the day scheduled on mode 93 Temp 65 0 Night Mode Lockout The temperature of the ambient outdoor air above which the heat will not be allowed to operate during the night scheduled off mode Temp 0 0 72 0 Demand Save Limit If demand control is being used sets the maximum amount that the heat setpoints may be lowered for demand control Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen This completes the programming of a RTU small packaged HVAC unit 94 SNGL Library The SNGL Singles library is intended for use in stores that have conventional refrigeration systems One 4K will support up to 20 single condensing units The compressor control support one compressor one compressor with an unloader and or two compressor parallels It uses the same PID control a
152. temp Secs 30 Oil Level Delay The time delay before shutting the compressors down when the oil level input trips This screen shows setpoints for selected oil failure disch temp options for the current compressor group They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen Sng 01 Sgl 01 screen 11 Desuperheater Freeze Temp 250 0 Desuperheat The temperature at which the desuperheater will be turned on Temp 3 0 Desup Deadband This value is subtracted from the Desuperheater setpoint above and determines when the desuperheater will turn off 103 Temp 38 0 Freeze Protect If the analog input for water temp reaches this value all compressors will turn off NOTE This screen will only appear if the appropriate options were selected earlier This screen shows setpoints for selected options for the current compressor group They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen HIGH FLOAT LIMITS in PSI LOW screen 12 Zero 0 Zero 0 One 1 One 1 Three 3 Three 3 Five 5 Five 5 Seven 7 Seven 7 Ten 10 Ten 10 This screen sets the Float Limits for this compressor
153. termination temperatures are reached or Klixons all change state Ind Case Term Provides a defrost relay for each supply air temp sensor specified maximum of 10 Each defrost relay is shut off when it s matching temperature or Klixon reaches the termination setting Refrigeration will not resume until all cases have terminated or the failsafe value is reached Is mutually exclusive with the temp sol options of cases common setpoint and cases case setpoint Unequipped defrost control provided 62 Timed Off Relay Unequipped For time off type defrosts no defrost relay is required since the refrigeration relay if present can perform both the temperature control and defrost functions Equipped Provides a defrost relay in addition to a refrigeration relay for time time temp defrost circuits Normally used if a relay is needed to activate a light on the rack panel Door Switch Unequipped Alarm Only Provides the number of digital inputs specified on a later screen and an alarm to monitor cooler freezer box doors Refr OFF 15 min or 30 45 60 Same as above but turns OFF the circuit refrigeration up to the selected timer amount Use the side keys to select all desired options then press Enter to move to the next screen DUAL TEMP WASH DOWN screen 2 Wash Down Switch Unequipped Equipped Provides a digital input that will shut off refrigeration and defrost for an adjustable time period
154. th 10 bit resolution Removable Phoenix connectors are provided for field wiring to the inputs and for the local RS 485 bus and the power input wiring There are a set of switches for each input that allows the input to accept the standard Com Trol temperature 3 3k thermistor and pressure transducers 12volts dc or 10k thermistors or the AD590 solid state sensor 5 volts DC is also available to drive other pressure transducers A jumper indicates whether the board is being used for analog inputs only or analog and digital inputs dry contact only The dimensions of the board are 13x 4 x 1 inches with a weight of 1 Ib The combination analog and digital input board Al 16 DI 8 has the same analog capabilities as stated above with 16 inputs but the 8 digital inputs are dry contact only with the board supplying the necessary voltage It has the same physical characteristics as the other boards Analog inputs on this board may not be used for dry contact Dl s due to addressing conflicts The analog output board AO 4 contains 4 outputs with 8 bit resolution of 0 to 5 0 to 10 0 to 15 and 0 to 20 VDC jumper selectable for each output Removable Phoenix connectors are provided for field wiring to the inputs and for the local RS 485 bus and the power input wiring The dimensions of the board are 13 x 4 x 1 inches with a weight of 1 Ib The RTU board contains 6 relay outputs for a fan 2 cool 2 heat and 1 damper It has 1 analog output for
155. to achieve If you change this value note that the suction pressure target also changes based upon the refrigerant you have selected Low Safety The pressure at which the capacity will be lowered one step every 6 secs until the pressure rises above this value or all compressors are off Sensitivity 1 9 This value determines how the PID algorithm responds A larger value slows down the reaction to pressure changes a smaller value speeds up the response Values between 5 amp 9 normally produce the best results Schedule Group This only shows up if the setback option was selected previously Enter the desired schedule group 1 50 you wish to use to trigger the set up setback function Night Offset This only shows up if the setback option was selected previously This setting is added or subtracted to the current target psi when the schedule is inactive This screen shows the main setpoints for the current compressor group They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen Note The last two setpoints will not show up unless the options that they are used for have been selected previously 46 COMPR GRP 01 CMP 01 screen 9 Head Safety PSI 350 0 PSI 25 0 Pcnt 50 0 High Safety The head discharge pressure at which compressors will be staged off eve
156. tor mode the inputs are processed but the relay outputs are not turned on off In the Stopped mode the system does no control or monitoring lt will only remain in the stopped mode for 1 hour Help One of the unique features of the MCS 4000 is the built in HELP information If you do not understand a particular screen menu press the key labeled HELP This will pop up a HELP screen s that may consist of several pages of information concerning the screen menu you are currently on Make sure you read all pages the number of which are shown in the upper right hand corner by pressing the down arrow to go from page to page Setup Before a 4000 can do anything the SETUP procedure must be completed This process provides the 4000 with all the information it needs to assign the necessary input and output points and the alarm and control set points In many installations especially new construction the 4000 will have been setup at the factory with the program being maintained by batteries for several months If the Setup has not been performed the Main Menu Setup option will be highlighted Note Clear Memory before doing setup It is found on the Miscellaneous Menu Failure to clear memory prior to programming the system for the first time can lead to uncertain results To perform the Setup certain information must be available such as a refrigeration schedule plans and specifications etc to enable the person doing the setu
157. tpoint that the fan will start to ramp up from the minimum speed setting Only applies to Variable Speed Mins 0 Override The time in minutes that the valve would be opened if the Override Schedule Input option was selected and the digital input was activated by a push button switch 85 Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen If dehumidification was selected with Cooling Valves the following screen would be present Large Pkg 02 Cen 02 screen 15 Dehumidify Valve Temp 55 00 Stage 1 The humidity or dewpoint level at which the valve is fully closed Temp 65 Stage 2 The humidity or dewpoint level at which the valve is to be fully opens A linear ramp is provided between these two setpoints Temp 65 Low Zone Temp safety The zone temp below which the valve will be overriden closed Temp 50 0 Fan Minimum Setp The VS fan speed that will be in effect during dehumidification Use the side keys to select desired item Then enter the desired value with the number keys and press Enter Press Enter again when all values have been entered to move to the next screen This completes the setup of a Lrg Central Package task 86 RTU Small Packages RTU Pkg Options 1 screen 1 Digital Monitors Unequipped Not applicable for Large Central Packages software forces a digital monitor
158. trol a damper motor Motor must accept 0 5 or 0 10 volts DC for control 52 Sometimes used on evap condensers Two Speed Fan Unequipped Equipped Provides two relays and strategy to control either two motors or a two speed motor Low speed relay is turned off when the high is turned ON and vice versa and time delay is provided in between Is mutually exclusive with the variable speed option Use the side keys to select all desired options then press Enter to move to the next screen FAN GROUP 01 Cnd 01 screen 4 Condenser Temp 79 0 Condensing Temp Target The target condensing temperature based upon the refrigerant and target pressure or the target temperature or the TD to the ambient or another selected temperature depending upon the Control Input option selected on the previous screen PSI 170 0 Condensing Pressure Target The Target control pressure Setp 10 0 Interstage Differential The differential between stages and the deadband around the target depending upon the Control Method selected on the previous screen Temp 95 0 Maximum Condensing Temp Only used if PSl Ambient Modified or Temp Modified options selected on the previous screen Sets the maximum condensing temperature that the target will be allowed to move to Temp 55 0 Minimum Condensing Temp Only used if PSl Ambient Modified or Temp Modified options selected on the previous screen Sets the minimum condensing temperature that the target will be a
159. trol a sorit sport epr etc valve The relay is only turned off during defrost drip or if the low safety setpoint is reached 55 Defrost Control Timed Off Relay Door Switch Cases Common Setp Provides a refrigeration relay for each supply air temperature sensor specified i e one per case Individual case temperature control is provided but it is based on the same supply air temperature setpoint for all cases Cases Case Setp Same as above but provides temperature setpoints for each supply air temperature sensor specified Monitor amp Alarm Provides no refrigeration control only temperature monitoring alarming from the supply air sensors Unequipped No refrigeration control provided Group Termination Provides a single defrost relay for the circuit Defrost is terminated when all the termination temperatures are reached or Klixons all change state Ind Case Term Provides a defrost relay for each supply air temp sensor specified maximum of 10 Each defrost relay is shut off when it s matching temperature or Klixon reaches the termination setting Refrigeration will not resume until all cases have terminated or the failsafe value is reached Is mutually exclusive with the temp sol options of cases common setpoint and cases case setpoint Unequipped No defrost control provided Unequipped For time off type defrosts no defrost relay is required since the refrigeration relay if p
160. ts and Singles board for the condenser I O Assumes that this I O will be remoted in the Condenser Control panel CIO 8 Selects and CIO board for the condenser I O Assumes that this will be remoted in the Condenser Control panel Heat Reclaim Signal Unequipped Equipped Provides a digital input that will trigger the Heat Reclaim Offset to be added to the target when the reclaim is ON Rotate Fans Unequipped Equipped Will rotate the fan stages to obtain equal cycles NOTE This control strategy is not recommended by most condenser manufacturers Use the side keys to select all desired options then press Enter to move to the next Screen CONTROL OPTIONS screen 3 Control Method Interstage Steps Controls the fan stages based upon the target and interstage differential Each successive stage is turned on when the pressure or temp is equal to the target plus the differential i e if target 170 and differential 5 1st stage on 170 second 175 third 180 etc They turn off successively with the differential being subtract from the target i e if target 170 and differential 5 1st stage off 165 second 170 third 175 etc Single Setpoint PID Uses a PID algorithm similar to the Rack Compr Grp control to maintain a target pressure cond temp The interstage differential becomes a deadband centered around the target i e if target 170 and the interstage diff is 10 then
161. ubtracted from circuit setpoint Low Safety Value at which solenoid or sorit relay will be shut off Demand Save Limit If demand control is implemented determines the maximum 59 Nmbr Setp 0 0 amount the circuit temperature my be raised 0 to 10 degrees Schedule Group If night offset is being used this assigns the circuit to a schedule group 1 to 100 Night Offset The amount that the temperature is to be raised or lowered during the off period of the schedule This screen shows setpoints for selected options They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen DEFROST screen 7 Mins Mins Mins Mins Mins 20 48 0 60 Failsafe Time The maximum time in minute that the defrost may last Drain Time The amount of time between the end of defrost and the resumption of refrigeration Gives water time to run off before starting up refrigeration Terminate Value The temperature at which the defrost will be terminated if a supply air or coil temp sensor is present Note If a Klixon or termination stat is present this value can still terminate the defrost if it is reached before the termination stat trips Set this value high if you don t want it to control Pump Down Delay The amount of time that will occur once the refr
162. vals up to a maximum of 9 times To change any of the alarm set points press the side key left and or right type in the change press Enter Press Enter again to move on to the next alarm Note Some alarms will only have a high value and some will only have a low value Digital Alarms To change the digital alarm settings select Task Settings with the side key on the Main Menu and press Enter Select Digital Alarms with the side key and press Enter Next select the Task from the list that you want to view modify the alarm settings with the side key and press Enter The first digital alarm associated with the selected task will then appear Pressing Enter will move you to the next alarm and so on until you return to the task list screen A typical Digital Alarm screen appears as follows Compr LT 01 Cmp 01 Digital Alms CmMn01 Mon Proof Mins 00 01 Delay Time Levl ANNA Priority 123L Time 00 00 Disable Time Cnt 0 Repeat Count 33 The top line displays the Task Name and Task Type amp number The second line indicates this is a Digital Alarm screen The third line indicates the alarm type i e Monitor Proof The remaining lines are as follows Indicates not used for this alarm type Delay Time The delay in minutes once the alarm has exceeded the Trip Value before the specified alarm action will take place Priority The alarm action to be taken for each phone number 123 and local a
163. want it to control Pump Down Delay The amount of time that will occur once the refrigeration relay is turned off before the defrost relay will be turned on Normally only used on single compressor systems Wash Down Delay If washdown option was selected earlier sets the amount of time that the circuit will have it s refrigeration and defrost turned off based upon the digital input push button switch activation This screen shows setpoints for selected options They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen 66 DEFROSTS START screen 8 1st 00 00 First 2nd None Second ard None Third 4th None Fourth bth None Fifth eth None Sixth Up to 6 defrosts may be setup for each circuit 24 00 is not a valid start time use 00 00 for midnight This screen shows setpoints for selected options They may be altered now if desired or changed later Use the side keys to select the desired item then use the number keys to enter the desired value press Enter Press Enter again to move to the next screen This completes the programming of one Satellite Repeat the process for each satellite compressor present Note If both supply air temperature sensors and Klixons termination stats are present defrost termination is based on either one Thus if you only want th
164. y present on the board type selected is listed with the point name and the Task Name it is associated with underneath The state of the relay is listed On Off or Lost if the I O is not communicating Use the up down arrows to get to other Relay boards and left right arrows to get to other board types DI Al AO if you do not want to return to the menu to select them The other I O types display the same information with their appropriate state or value 26 An example of the Alarm Summary Screen follows Alarm Summary Name Task Type Now Trip Sate Delay Suctn Compr LT 01 12 0 Clear 00 00 High Suct 22 0 00 10 ANNA Low Suct 1 0 00 10 ANNA HedCmp Compr LT 01 180 0 Clear 00 00 High Head 325 0 00 01 ANNA Low Head 50 0 00 01 ANNA CmMn01 Compr LT 01 Off In Alm 00 16 Mon Proof On 00 01 ANNA Rck Oil Compr LT 01 On Timing 00 05 DR Oil Fail On 00 15 ANNA To view more alarms press the down up arrows The point name is given in the first column followed by its associated Task s name The name type of the alarm is given under the task name The current value or state Now is listed in the third column with the alarm setting or state given Trip below it The alarm State is given in the next column clear timing or In Alm with the delay time underneath it in hours and minutes The fifth last column displays how long the alarm has been timing or has been in alarm with the dial out and local alarm setting underneath
165. y the user These include Task Setpoints Analog Alarms Digital Alarms Float Assignments Float Limits Setup Menu I O Menu Schedules Run Stop Monitor The following discussion will cover each of these items Task Setpoints Each task type has various set points control parameters These set points have default values that the MCS 4000 automatically enters during the Setup process 31 These values can be altered at that time or at anytime in the future Setpoints are password protected level 2 To get to the Task Set points select Task Settings on the Main Menu with the side keys and press Enter Next select Task Set points with the side key and press Enter You will then be presented with a list of all the tasks Select the desired task with the side key and press Enter A menu of choices will be presented that varies by task Select the desired item with the side key and press Enter Select the desired set point to change with the side key type in the appropriate value then press Enter Press Enter again when all desired changes have been made Note You can also go directly to the set point screen by pressing a 1 while viewing the Task Status screen as previously discussed Refer to the Setup section of this manual for details on the various set point screens Analog Alarms To change the analog alarm settings select Task Settings with the side key on the Main Menu an

Comtrol MCS-4000 User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents