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Summary of Contents for Virginia Controls MH-3000
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Virginia Controls, LLC 2513 Mechanicsville Turnpike Richmond, Virginia 23223 Tel: (804) 225-5530 Fax: (804) 225-0116 email: eng@vacontrols.com web site: www.vacontrols.com MH-3000 USER MANUAL Revision 1.03.C10b Member of NAEC since 1979 02/12/2020 Member of CECA since 1998...
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Virginia Controls, LLC MH-3000 User Manual...
START-UP INSTRUCTIONS ......14 Before Applying Power ..........14 3.1.1 Power and Grounding ............14 3.1.2 Input/Output Wiring ............14 Applying Power ............15 3.2.1 Motor Rotation ..............15 Temporary Run Connections ........15 Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page I...
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5.6.1 Across-the-line Starting ............46 5.6.2 Wye-Delta Starting ............. 47 5.6.3 Solid-State Starting ............48 B.O.R.I.S............... 49 MH-3000 SCREENS AND DIAGNOSTICS ..50 Run Mode .............. 50 6.1.1 Run Mode Screens ............. 50 6.1.1.1 Banner Screen ............. 51 6.1.2 Show I/O Status ..............
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Description of Features ..........95 6.2.7 Show Fault Log ..............96 6.2.8 Show Internal Memory............96 6.2.9 Set the Time ..............97 6.2.10 Enter Password ..............98 6.2.11 Test I/O Boards ..............98 Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page IV...
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10.2.2 EPROM Memory Chip Exchange .......... 109 10.2.3 Input/Output Board Exchange ........... 109 11. FREQUENTLY ASKED QUESTIONS ..... 111 11.1 Questions on Field Devices ........111 11.2 Questions on the Controller ........111 INDEX Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page V...
A17.1, ASME A17.5 and CAN/CSA B44.1 and must be installed by a qualified contractor. It is the responsibility of the contractor to make sure that the final installation complies with all applicable local, state and national codes, and is installed safely. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 6...
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You must choose the proper conductor size. national electrical code article 250-95, or the related local applicable code. Pay special attention to points highlighted in this manner. They are of special consideration and are frequently overlooked. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 7...
This could be caused by hand-held communications devices used near the controller. • Long term operation of the controller without the door or cover in place is not recommended. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 8...
If there are short floors, refer to the schematic for special instructions, if required. NOTE: The terminal landing Floor Switches must be maintained while the car is within door zone of the terminal landing. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 9...
Switch) is a normally closed contact that opens when the car has traveled 1" past floor level at a terminal landing. The car should not be on the Terminal Landing Normal Limit Switch when the car is floor level at the terminal landing. The Limit Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 10...
NOTE: If a solid state door operator unit is being used, check the appropriate schematics to see if any changes are required on the actual operator. These may include changing resistors in the operator, and adding a diode for proper open and close torque. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 11...
Connect the ground to a good building ground, such as the structural steel of the building, or a cold water pipe. • Connect the ground on the controller to the stud labeled "GND" or the terminal "G", as shown on the controller schematic. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 12...
Delta mode. If this is not desired, then jump the contact. This will allow the valves to be energized as soon as the pump motor starts. If a Soft-Start is used, the Up-to-Speed signal is used in a similar way. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 13...
3.1 Before Applying Power The system has been programmed and tested for the specific elevator system. Refer to the MH-3000 Setting sheet in the as-built schematic for default factory settings and features. 3.1.1 Power and Grounding WARNING: Confirm that the voltage of the incoming power matches the controller before applying power to the controller.
If it is not, then reverse any on the two wires connected to the A,B,C terminals. 3.3 Temporary Run Connections To run the car on temporary service before the controller is fully installed, see the MH3000 Temporary Run Manual. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 15...
Bit Feature to “Disable Door Close on Inspection” should be enabled. In this case the doors must be closed manually or by means of the Door Close button on the Door Operator (if provided). Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 16...
To close the doors, jump terminal 1 to terminal 28 ("Door Close Button" input). This jumper may be left on, if desired, so that the car may be run by jumping the desired car call input. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 17...
Nudging Buzzer will turn on, and the Electric Eye will remain active. If the doors do reopen fully, then the Electric Eye will be cut out. The Safety Edge Input remains active on nudging. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 18...
Leveling Switch Input. This prevents the car from parking between floors. If the car runs down for over 10 minutes while looking for a floor, it will stop, and return to normal operation. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 19...
The other car may answer calls in a zone where it is not "Next", but it will not normally be sent to calls outside its zone. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 20...
7. The other car is in group operation. 8. The other car is not next in the Low Zone. 9. The other car is not running down. 10. The other car is not homing. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 21...
Install each car separately. The Hall Calls and Hall Fire signals are wired to the Dispatcher. WARNING: Be careful not to mix the power supplies from one controller with another. Refer to the schematic. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 22...
Increases every time the Dispatch fails to communicate with any car Addresses on the Car Controllers 3190 Increases every time the car successfully communicates with the Dispatcher 3191 Increases every time the car fails to communicate with the Dispatcher Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 23...
Also confirm that the car number setting for each of the car controllers is correct. This is the third setting under “Settings” in the set up menu, as shown on the MH-3000 Settings sheet in the schematic. On the Dispatcher, check that the “Number of Cars” setting is correct.
Landing, the cars that are not selected as the “Next” car will not be given the call immediately. The delay allows the “Next” car to respond to the call, so that all the cars do not open their doors for one call. This delay is listed “Main Ldg Call Delay” on the MH-3000 Settings sheet.
“DOXF” or “DXF” are the Door Circuit Transformer(s). The size and quantity of these transformers will depend on the type of doors used. See the schematic for sizing and wiring information. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 26...
5.2 Fuses The fuse type and rating is shown on the schematic. NOTE: Only replace fuses with fuses of the same type and rating. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 27...
The Safety Relay Interface provides interface signals to the Motor Starter, Valves, Door Operator, and Safety String. Refer to the pictures below to see which type of interface is used. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 28...
The technical characteristics of the phase monitor can be determined from the part number as follows: Example: TVM 460A 10 0.5S 3S Restart Delay Trip Delay Voltage Unbalance % Line Voltage Series Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 30...
This may be necessary if local codes do not allow the switches to be used. If they are removed in this way, it is not normally possible to re-install the switches. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 31...
Make sure it is safe to move the car. 5.4.7 Connections The top terminal strip(s) of the Safety Interface Board is generally used for factory connections. The bottom terminal strip(s) are provided for field connections. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 32...
5.5 Microprocessor 5.5.1 CPU LCD Display Status Reset Button LEDs Termination Jumpers Group Communication Keypad Connector I/O Board Communication Connector Battery S2 Slide Sws 12VDC Power EPROM Supply Socket Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 33...
RAM memory. The battery life is approximately 5 years. WARNING: Replace the battery with RENATA 3V Lithium battery, Part No. CR2032 Only. Use of another battery may present a risk of Fire or Explosion. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 34...
D4 “Communication Error”. This LED should be off during normal operation on a Simplex. It will be lit if the CPU has failed to communicate properly with an Input/Output board. This could be caused by a loose or faulty cable between the Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 35...
WARNING: Pressing the Reset Button will reset the CPU, causing all outputs to be turned off and the car to stop immediately. NOTE: The Reset Button should not normally need to be used. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 36...
The connector for the Keypad is located behind the keypad. The connector is an 8pin connector. If the keypad is removed, make sure the connector is lined up properly when replacing the keypad. Make sure the power is OFF when removing or installing the keypad. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 37...
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CPU connecting to the I/O COMM IN of board #1, then the I/O COMM OUT of board #1 connects to I/O COMM IN of board #2, and so on for all I/O boards. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 38...
Fire Buzzer will be enabled. If switch 3 on the CPU Slide Switch is OFF, then the Redundancy Faults will function as normal. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 39...
LED below LED I/O Comm Address Connector (IN) Switches Status LED 12VDC Incoming Communication Power Connector (OUT) Input LEDs Output LEDs with number with number above LED above LED Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 40...
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All inputs and outputs have individual LED indicators. Wiring is done to the removable terminal blocks at the top and bottom of the I/O boards. Fuses are provided externally, not on the I/O boards. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 41...
WARNING: Be very careful not to jump to a common when you intended to jump to an input or output, as this could damage the controller or other equipment. Typical I/O Board Terminal Block Layout Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 42...
CPU is in Setup Mode, or a cable is defective or disconnected. Bad Address. Check the Address Three Switches. Bad Data. Check the cables. Noise is Four probably being induced in the wiring. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 43...
This connector is used to program the microprocessor on the I/O board. It is not used once the I/O board is programmed. 5.5.2.7 Power Connector This connector supplies 12VDC to the I/O board. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 44...
NOTE: If a board is replaced, the board must be set up with the SAME JUMPERS as the board it was replacing. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 45...
A wide variety of motor starting options are available. Please consult the as-built schematics to determine the exact starting configuration. 5.6.1 Across-the-line Starting Connect Building Supply Power Here Auxiliary Contacts Contactor Electronic Overload Connect Motor Leads Here Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 46...
5.6.2 Wye-Delta Starting Connect Building Supply Power Here Run Contactor Start Contactor Mechanical Interlock Overload Relay Connect Motor Leads Here Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 47...
5.6.3 Solid-State Starting Connect Building Supply Power Here Fault Contactor Connect Motor Leads Here Lead Motor Here Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 48...
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For installation instructions and operation details, consult the Battery Operated Rescue Initiation System Operating Manual. A copy of this manual can be obtained from our web site at www.vacontrols.com or by calling our office at (800)296-2140. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 49...
6. MH-3000 Screens and Diagnostics 6.1 Run Mode When the controller is powered up, or the Reset Button is pushed, the microprocessor will be in the Run Mode. In this mode the microprocessor will allow the Inputs and Outputs to operate properly, and the elevator to run. (The only other mode is the Setup Mode, as described below.
MMDDYY (in the example above this is “011207” for January 12th, 2007). The code on the bottom line shows the Virginia Controls Job Number (in the example above this is “12345”), the program revision number (in the example above this is “1”), and the code for the base program (In the example above this is...
63 is erased. The most recent fault is stored in fault location 00, and the order of the faults in the fault log is the order in which the faults were logged, with the most recent faults at the top of the fault log table. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 52...
Non-shutdown faults can be prevented from being logged, if desired. See the list of Adjustable Features on sheet “MH-3000 Settings”. One of the Bit Features will be labeled “Disable Non-Shutdown Faults in the Fault Log”. Turn this feature on to disable non-shutdown faults.
Non-shutdown faults can be prevented from being logged, if desired. See the list of Adjustable Features on sheet “MH-3000 Settings”. One of the Bit Features will be labeled “Disable Non-Shutdown Faults in the Fault Log”. Turn this feature on to disable non- shutdown faults.
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If power is left on, then the date of any fault is the date shown on the most recent (lower fault number) rollover code. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 55...
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Door Zone Fault. The car stopped between floors. This is normal when the car is being taken off Inspection Service. This fault will usually be seen with fault 08, since the car will usually stop outside the door zone if the safety string is broken. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 56...
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FSU or FSD from energizing to cut out the Door Zone Input. – There is a loose wire or bad connection on terminal 6, 14, 14X, 16, 16X, 21 or 22 which is preventing FSU or FSD from energizing properly. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 57...
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This fault can be disabled by turning on Switch 3 on the CPU Slide Switch S2. This also turns on the Fire Buzzer output, as a reminder to turn off the defeat. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 58...
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This fault can be disabled by turning on Switch 3 on the CPU Slide Switch S2. This also turns on the Fire Buzzer output, as a reminder to turn off the defeat. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 59...
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This is a custom fault reserved for future use. If it used on a specific job, it will be described on the “MH-3000 Settings” sheet in the schematic. Fault18 is often used to indicate the car has done a Jack Resynchronization, if this feature is provided.
1’s and 0’s, as shown in the sample screen at the top of this section. Match the letter shown in the sample screen below with the table below, to determine the description of that signal. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 61...
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Car was in the Door Zone. 1 = Yes, 0 = No. “LV” Input (monitors the contacts in parallel with the Door Contacts, in the Safety String) was On. 1 = Yes, 0 = No. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 62...
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The RUN Input was off after the car had stopped. The UTS Up To Speed Input was on after the car had stopped. Custom Redundancy Fault – see the schematic for a description. G - L Not Used Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 63...
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Door Contact Input (5X) was on while the ES (4) and LV Input were off. Car Door Contact Input (5) was on while the ES (4) and LV Input were off. G - L Not Used Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 64...
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Input “IN6” was On. Input “IN9” was On. Input “IN8” was On. (SAPB only) Input “5H” was On. This may be Inputs “6A” and/or “6B” for freight doors. J - L Not Used Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 65...
65000. To view the data, use the “Show Internal Memory" function to show address $0520. A sample screen is shown below. Month of start of current log Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 66...
Press 6 to decrease the addresses being 1 displayed by 10(Hex). Press 2 to increase the addresses being displayed by 100(Hex). Press 5 to decrease the addresses being displayed by 100(Hex). Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 68...
4th bit of the 4th top left word being displayed. This allows the LEDs to show rapid changes in the status of internal memory, that the LCD display would not be quick enough to respond to. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 69...
Consequently it is acceptable to leave the “Car Status” screen on the LCD, thus allowing a technician to quickly see a fault without having to scroll to that screen. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 70...
Emergency Stop Switch was bypassed when it should not have been. The car will shut down at the next stop. Check the ESB relay, or ESB monitoring input, and its associated wiring. Cycle the power to reset the fault. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 71...
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Hall Calls at the current floor. It is allowed to run up, which may clear the fault. 7. “ PwrOK” – none of the other faults exist. The car is on normal power, and not on shutdown. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 72...
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3. “OPEN” – the doors are fully open. 4. “CLSD” – the doors are fully closed. 5. “STOP” – the doors have stopped and are not fully open or fully closed. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 73...
This selection allows the controller to be taken out of normal operation, and put in the Set-up Mode, so that features and settings may be changed. When Ent is pressed at this selection, a warning screen will be displayed, indicating that the controller will stop. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 74...
NOTE: With program version 3A, dated March 2005, and later, the scan time has been optimized for IO communication, so the impact on scan time is minimal no matter what screen is being viewed. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 75...
The following Menu items are available in the Set-up Mode: 1. Reset Settings. 2. Change Settings. 3. Change Features. 4. Show Fault Log. 5. Show Internal Memory. 6. Set The Time. 7. Enter Password. 8. Test I/O Boards. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 76...
(See the warning note below) Press Nxt or Prv to move to another item in the Set-up Menu. Press Esc to return to the Run Mode. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 77...
If the value in the lower left of the screen is the Virginia Controls Job Number, then the chip is specific for that job, and a factory reset will load the values for that job.
Ent. 6.2.5.1 Description of Settings Refer to the sheet MH-3000 Settings in the schematic to see the settings and features provided for each particular job. The Settings listed here are standard (NOTE: a value of 0 to 255 can be entered unless otherwise stated).
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Zone. Use the chart in the schematic to determine the proper value. Each landing must be assigned to one and only one zone. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 80...
The Bit Features are multiple features combined into several settings. Each setting consists of 8 features that can be turned on or off individually. Refer to the sheet MH-3000 Settings in the schematic for a breakdown of each setting. A description of the standard features that may be part of the Bit Features are listed in a following section, after the standard settings.
Door Time, Car (in tenths of a second) - (Display shows "DOOR TIME, CAR") This is the time in tenths of a second, that the doors will remain open, after they have opened Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 82...
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Custom Time #1.2 (in tenths of a second) - (Display shows "CUSTOM TIME #1.2") See Custom Time # 1.1 • Custom Time #1.3 (in tenths of a second) - (Display shows "CUSTOM TIME #1.3") See Custom Time # 1.1 Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 83...
INTERFERENCE”) This is the time that the In Use Light will remain on after the car has answered a call and cycled its doors. Hall Call Buttons will be disabled during this time. The normal setting is 6 seconds. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 84...
Some installations require specific settings or features that are not included in the standard program. In this case, a separate sheet (or sheets) will be provided that describe the operation of these settings or features, and what the factory default settings are. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 85...
6.2.5.9 Description of Bit Feature Settings The following features are combined into the Bit Features 1 through 10. Refer to the sheet MH-3000 Settings in the schematic to see the settings and features provided for each particular job. The following Settings are standard.
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• Do Not Run On Fire Service and BORIS – Turn this feature on to prevent the car from running if Fire Service is enabled while on battery backup operation. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 87...
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• Disable Non-Shutdown Faults in the Fault Log – Turn this feature on to disable faults from being logged into the Fault Log that are not shutdown faults. This keeps the Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 88...
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“Enable Low Oil Switch or Oil Temp Feature” must also be turned on, if provided. • Enable Oil Temperature Switch Feature – Turn on to enable the Oil Temperature Sw feature. The input for this feature must have been assigned for this feature to work Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 89...
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Enable Flashing Hall Fire Light – Turn on to make the Hall Fire Light flash if the Machine Room Smoke Sensor has tripped. By default the car Fire Light will flash, but not the hall Fire Light. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 90...
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Disable Reset at Intermediate Floors - Enable this bit feature to disable position resets at intermediate floors. The car will still reset at terminal landings, based on the Door Zone input and the Up or Down Slowdown inputs. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 91...
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Button Collective operation instead of Single Automatic Pushbutton operation. Single Button Collective allows multiple calls to be entered, with calls being answered in sequence as the car reaches them. Single Automatic Pushbutton operation only allows one calls at a time. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 92...
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• Run to 2nd Ldg on Dispatch Failure – Turn this feature on to make the car run to this landing if it loses communication with the dispatcher. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 93...
“VALUE SAVED!” is displayed for 1 second, to indicate the new value has been accepted.) If Nxt, Prv or Esc is pressed after entering a new value, the new value will NOT be stored in memory. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 94...
Press Esc to go back to the Setup Menu. 6.2.6.1 Description of Features Refer to the sheet MH-3000 Settings in the schematic to see the settings and features provided for each particular job. Some features may be incorporated into the Bit Features that are listed under the Settings heading.
“Password Entry” screen will be displayed. If the password (“911”) is entered correctly, then the internal memory can be changed. If it is not entered correctly, then the memory can still be viewed, but cannot be changed. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 96...
The battery is required to keep the real time clock running when power is turned off. Consequently, the real time clock will need to be reset when the battery is changed. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 97...
The LCD screen will display "'Ent' = START TEST, OTHER KEY = QUIT". Press the Ent key to start the test feature, or press any other key to return to the setup menu. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 98...
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While the outputs are being tested, a meter can be used to verify that each output is actually coming on. The test will be stopped, and the outputs turned off, when any key is pressed. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 99...
WYE-DELTA MOTOR RUN RELAY (WYE-DELTA START) (on Printed Circuit board) TRUP WYE-DELTA MOTOR RUN TIMER (WYE-DELTA START) (on Printed Circuit board) UP LEVEL RELAY (on Printed Circuit board) VOLTAGE RELAY (OPTIONAL) (on Printed Circuit board) Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 100...
SW192 MICRO-PROCESSOR MICROPROCESSOR CPU BOARD V.C. MH3000-CPU 16-IN/16-OUTPUT MODULE V.C. MH3000-16IO KEYPAD V.C. MH3000-KEYPAD LCD SCREEN V.C. MH3000-LCD CPU BATTERY PANASONIC CR2032 MISCELLANEOUS COMPONENTS & HARDWARE PRINTED CIRCUIT BOARD V.C. MH-4 Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 101...
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V.C. (SIZE) All parts are commercially available from the manufacturer, or from Virginia Controls Inc. (ask for the Parts Department or send an email to parts@vacontrols.com). Parts are subject to change without notice. Consult Virginia Controls, LLC, for current pricing information.
This may damage the CPU, or alter the contents of the program. Proper grounding will protect the controller from most of these problems. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 103...
“0” or “1”, and the right number will be changing quickly. If the CPU is not attempting to communicate to a board, the value will stay at “00”. In the Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 104...
CONTROLS, GET THE FOLLOWING INFORMATION BEFORE CALLING (ADDITIONAL TROUBLESHOOTING INSTRUCTIONS MAY BE GIVEN, DEPENDING ON THE NATURE OF THE PROBLEM): • THE VIRGINIA CONTROLS DRAWING NUMBER (located at the bottom right of the schematic). • AN EXACT DESCRIPTION OF THE PROBLEM.
Minor Revision – 3C05. Approximate Date of implementation – 11/07/2007 • Fire Service selections for 2005 and 2007 ANSI code were added. • Bit Feature settings were rearranged to include the new Fire Service selections. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 106...
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9J – 3/2013 – update Door Hold Open and Door Check operation. • 9J - 8/2015 - update operation for New York Fire Code. • 9J - 12/2017 - update operation of Door Check fault. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 107...
3. Unplug the incoming power wiring connector from the bottom left terminal block. 4. Unplug the duplex communication connector from the duplex connector (if used). 5. Unplug the I/O Bus Connector. 6. Remove the four screws holding the CPU board in place. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 108...
10.2.3 Input/Output Board Exchange To exchange on I/O board: 1. Change the Address Switches on the new I/O board to match the board it will replace. 2. Turn off the power to the controller. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 109...
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4. Unplug the I/O Bus Connectors and power connector. 5. Remove the screws holding the I/O board in place. 6. Install the new I/O board by reversing the previous steps. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 110...
11. Frequently Asked Questions Suggestions for other Frequently Asked Questions are welcomed. Please submit them to Chris Wilson at Virginia Controls. 11.1 Questions on Field Devices Are the Reset Targets necessary when using a pulsing selector? Yes. The reset targets are required at the terminal landings, as shown on the car top selector installation sheet, to establish or reset the floor position at the terminal landings.
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1 (far left) and 8 (far right) on the top of the keypad connector to simulate pushing a key) or the CPU (check that LED D5 is flashing), or the LCD Display. Virginia Controls, LLC MH-3000 User Manual, 1_03C10-VC Page 112...
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Do I need schematics (or prints) to work on the controls? Each control system built by Virginia Controls is custom designed for each installation. Though there are some strong similarities between similar jobs, it is strongly recommended that you have accurate prints/schematics before working on any of our control systems.
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