HONEYWELL MULTIPLE METER UNITS (MMU) TABLE OF CONTENTS Section 1.0 Safety Label Definitions and Information Section 2.0 Precautionary and Safety Information Section 3.0 Introduction to Multiple Meter Units (MMUs) Section 3.1 Application Section 3.2 General Description Section 4.0 Description of Multiple Meter Units (MMUs) Section 4.1...
HONEYWELL MULTIPLE METER UNITS (MMU) 1.0 SAFETY LABEL DEFINITIONS AND INFORMATION The MMU Style Meter may contain one or more of the following labels. Operator(s) should familiarize themselves with the meaning of each label to minimize risk. The presence of this label is a cautionary indicator identifying a danger risk.
HONEYWELL MULTIPLE METER UNITS (MMU) 2.0 PRECAUTIONARY AND SAFETY INFORMATION CAUTION Internal circuit card components are extremely sensitive to electrostatic discharge. Be careful not to touch internal circuitry prior to discharging any static buildup on your person. To discharge yourself, touch a grounded metal object such as conduit or an earth-grounded metal enclosure.
UNITS (MMU) 3.1 Application This Install Manual describes a line of Multiple Meter Units (MMU) used in monitoring electrical usage in commercial, industrial, or institutional facilities. Voltage and current are continuously measured and updated to provide highly accurate, true RMS power information via current sensors.
HONEYWELL MULTIPLE METER UNITS (MMU) 4.0 DESCRIPTION OF MULTIPLE METER UNITS (MMU) MMU cabinets can be used to house Class 100, Class 200, Class 320 and Green Class meters. IDRs, (Interval Data Recorders) can also be installed in the MMU cabinets with the meters.
HONEYWELL MULTIPLE METER UNITS (MMU) 5.0 MMU CABINET INSTALLATION 5.1 MMU Cabinet Description The MMU Cabinet is made from 14 or 16 gauge steel. The cabinet has an ANSI 61 gray exterior finish. It contains a seam that is continuously welded and ground smooth.
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HONEYWELL MULTIPLE METER UNITS (MMU) Spaces not occupied by meters will have a blank metal cover over the display window. Fig. 3. Example of an 8 Meter MMU Enclosure. 62-0400-01...
HONEYWELL MULTIPLE METER UNITS (MMU) 6.0 MMU CABINET WIRING 6.1 General Wiring Instructions Wiring of the individual MMU meters are the same as for a stand-alone meter. See section 7.0. Refer to the Individual Meter Installation Manual for individual meter wiring.
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HONEYWELL MULTIPLE METER UNITS (MMU) a. The sensor leads cannot be installed randomly and should be bundled together when they are routed to the meters which are mounted on the door of the MMU. They shall be secured and routed away from the power wiring and the communication cabling.
HONEYWELL MULTIPLE METER UNITS (MMU) 7.0 INDIVIDUAL METER WIRING DIAGRAMS AND INSTALLATION PROCEDURES 7.1 Class 100, 200 and Green Class Meter Wiring Diagrams and Installation Procedures Wiring of each individual MMU meter is the same as for it’s respective stand-alone meter.
HONEYWELL MULTIPLE METER UNITS (MMU) 7.2 Class 320 Meter Wiring Diagrams and Installation Procedures Wiring of each individual Class 320 MMU meter is the same as for its respective stand- alone meter. Refer to the stand alone Class 320 Meter Installation Manual for detailed wiring diagrams and installation instructions.
HONEYWELL MULTIPLE METER UNITS (MMU) Appendix A - System Wiring Guides Connects via RJ-45 USB port on PC USB Key (SUB-USBK)* RJ-11 3 FT USB A to USB B cable AC ADAPTER 4-CONDUCTOR FLAT MODULAR CABLE UP TO 4000 FEET TOTAL...
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HONEYWELL MULTIPLE METER UNITS (MMU) Appendix B - System Wiring Guides Connects via RJ-45 USB port on PC USB Key (SUB-USBK) RJ-11 AC ADAPTER 4-CONDUCTOR FLAT MODULAR CABLE UP TO 4000 FEET TOTAL DAISY-CHAIN OR STAR CONNECTION (UP TO CHANNEL 1 OF 3...
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HONEYWELL MULTIPLE METER UNITS (MMU) Appendix C - Modem System Configuration Diagrams UP TO 8 METERS IDR-8, USING HONEYWELL METERS: IDR A UP TO 4000 RS-232 SERIAL PORT FEET TOTAL COM1 THROUGH COM4 MAX. 15' UP TO 52 UP TO 8 METERS...
HONEYWELL MULTIPLE METER UNITS (MMU) Appendix D - Hard Wired System Configuration Diagrams IDR-8, USING HONEYWELL METERS: ® UP TO 8 METERS UP TO 4000 FEET TOTAL UP TO CHANNEL 1 52 IDRS RS-232 SERIAL UP TO 8 METERS PORT...
HONEYWELL MULTIPLE METER UNITS (MMU) Appendix E - Hard Wired System Configuration Diagrams IDR-16, USING HONEYWELL METERS ® UP TO 16 METERS UP TO 4000 FEET TOTAL UP TO 26 IDR-16S CHANNEL 1 RS-232 UP TO 16 METERS SERIAL PORT...
HONEYWELL MULTIPLE METER UNITS (MMU) 8.0 TROUBLESHOOTING The Honeywell meters are calibrated and tested at the factory before being packaged and shipped. If installed properly and in accordance with these installation instructions, your Honeywell meter should provide years of trouble-free service. If the meter should not function, the following guide will assist in troubleshooting the installation.
2. Honeywell must be notified of the defect within ninety (90) days after the defect becomes apparent or known. 3. Buyer’s remedies shall be limited to repair or replacement of the product or com- ponent which failed to conform to Honeywell’s express warranty set forth above.
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