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Virginia Controls MH-3000 - User Manual

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Member of NAEC since 1979 Revision 1.03.C10b
02/12/2020 Member of CECA since 1998
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

Table of Contents

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Virginia Controls MH-3000 Specifications

General IconGeneral
DisplayLED
Housing MaterialPlastic
OutputRelay
Control ModeOn/Off
Power Supply24 VAC/VDC
Input Voltage24 VAC/VDC

Summary

1. Pre-Installation Instructions, Notes

1.1 General Notes

It is strongly recommend that you read this manual carefully before proceeding with the installation.

1.2 Important Precautions And Notes

The following general rules and safety precautions must be observed for safe and reliable operation of your system.

2. Controller Installation and Wiring

2.1 Controller Installation and Environment

Guidelines for controller placement, environmental conditions, and grounding requirements.

2.2 Car and Hoistway Wiring Components

Details on various switches for car positioning, slowdown, and leveling.

2.3 Machine Room Wiring

Procedures for wiring incoming power, grounding, and motor connections.

3. Start-Up Instructions

3.1 Pre-Power Checks

System checks before applying power, including power, grounding, and wiring.

3.2 Applying Power and Motor Rotation

Procedures for applying power and verifying motor rotation.

3.3 Temporary Run Connections

Instructions for temporary car operation during installation.

4. Final Adjustments

4.1 Inspection Operation

How to operate the car safely in Inspection mode.

4.2 Floor Position and Slowdown Adjustment

How floor relays and slowdown functions are maintained and adjusted.

4.3 Position Indicators

Verifying proper floor position changes as the car moves.

4.4 Independent Service

How to initiate and use Independent Service for final tuning.

4.5 Car and Hall Calls Operation

Observing car and hall call operation in automatic mode.

4.6 Door Operation Verification

Verifying door operator adjustments and limit switch functions.

4.7 Fire Service Procedures

Initiating and confirming Fire Service operation.

4.8 Failure Timers and Modes

Timers for stuck buttons, running issues, and fault conditions.

4.9 Field Adjustable Features Overview

Overview of adjustable features and settings for the controller.

4.10 Zoned Duplex Operation

How two cars coordinate their operation in a zoned elevator system.

4.11 Zoned Group Operation

System operation with multiple car controllers and a Dispatcher.

5. Hardware Description

5.1 Transformers

Description of Control Circuit and Door Circuit Transformers.

5.2 Fuses

Information on fuse types and ratings.

5.3 12 VDC Power Supply

Provides 12VDC to the microprocessor; includes circuit protection.

5.4 Safety Interface Board

Board providing interface signals to various elevator components.

5.5 Microprocessor Components

Details of CPU, LCD, Keypad, I/O boards, and connectors.

5.6 Motor Control Options

Description of various motor starting methods.

5.7 B.O.R.I.S. Uninterruptible Power Supply

Description of the UPS system.

6. MH-3000 Screens and Diagnostics

6.1 Run Mode Operations

Normal operation, diagnostic screens, and navigation within Run Mode.

6.2 Set-Up Mode Operations

Mode for changing system settings and features.

7. Controller Nomenclature

8. Parts List

9. Troubleshooting Suggestions

9.1 Locating Faults

Initial steps to identify the source of a problem (microprocessor vs. wiring).

9.1.1 Troubleshooting I;O Board Communication Problems

Methods for diagnosing I/O board communication issues.

9.2 I;O Board Replacement

Procedure for replacing an I/O board.

9.3 Factory Assistance Information

Information needed for technical support from Virginia Controls.

9.4 Changes for Program Revisions

List of changes made in different program versions.

10. Controller Maintenance

10.1 Periodic Maintenance

Routine checks to ensure proper controller operation.

10.2 Parts Replacement Procedures

Procedures for replacing key controller components.

11. Frequently Asked Questions

11.1 Questions on Field Devices

Common questions regarding field devices.

11.2 Questions on the Controller

Common questions about controller settings and operation.

How Do I Reset All Settings and Features Back to the Original Values?

Steps to reset all settings and features to factory defaults.

How do I determine if I have a standard program?

Method to identify if the installed program is standard or job-specific.

How do I check the current values of the settings and features?

Procedure to view current settings and features.

Why is the LCD Display blank?

Troubleshooting steps for a blank LCD display.