Leviton mini meter MMU Manual de usuario
Mini Meter MMU
Installation Manual
PK-A3244-10-02-0A
WEB VERSION
WEB VERSION
TABLE OF CONTENTS
1 Warnings
1.1 Warnings and Cautions
2 Product Description
2.1 General Description
2.2 Meter Features
2.3 Meter Certifications
2.4 Physical Description
2.4.1 Single Meter
2.5 Applications
3 Technical Specifications
3.1 Model Number Description
3.1.1 Individual Meter Model Numbers
3.1.2 MMU Model Numbers
3.2 Electrical and Environmental Specifications
3.3 Input/Output Connections and User Display
4 Installation Instructions
4.1 Preparation
4.2 List of Materials
4.3 Mounting the Enclosure
4.3.1 Mounting Location
4.3.2 Drilling Conduit Holes
4.3.3 Mounting Procedure and Conduit Installation
4.4 Installation of Voltage Lines
4.5 Variations and Installation of Current Transformers
4.6 Testing the Installation
4.7 Securing the Enclosure
5 Maintenance
6 Troubleshooting/FAQ
7 Warranty
8 Contact Information
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WEB VERSION
1 WARNINGS
1.1 Warnings and Cautions
The following section contains installation and wiring instructions for Mini Meter MMUs. If
technical assistance is required at any point during the installation, contact information can be
found at the end of this manual. Leviton is not responsible for damage to the meter caused by
incorrect wiring.
4
• WARNING: TO AVOID FIRE, SHOCK OR DEATH; turn off all power supplying the
equipment before performing any wiring operations. Use a properly rated voltage
sensing device to confirm that power is off.
• Failure to follow these warnings could result in serious injury or death.
• Installation of electric meters requires working with possibly hazardous voltages.
These instructions are meant to be a supplement to aid trained, qualified professionals.
• Installations should be done in accordance with local codes and current National
Electric Code requirements.
• Equipment used in a manner not specified by this document impairs the protection
provided by the equipment.
WARNING
WEB VERSION
2 PRODUCT DESCRIPTION
2.1 General Description
The Leviton Mini Meter is a self-powered, current transformer (CT) rated electronic
kilowatthour (kWh) meter designed for permanent connection to an electrical service.
Mini Meters come in single element (2-wire) and dual element (3-wire) configurations.
This guide is for use with Mini Meter Multiple Meter Units (MMUs).
2.2 Meter Features
• Revenue-grade accuracy with solid-core or easy to install split core CTs
• Built in LCD and external mechanical counter
• Multiple load monitoring with a single meter
• AMR compatible isolated pulse outputs
• Reverse-phase LCD indicator
• 5-year warranty
2.3 Meter Certifications
• UL Approved (100A & 200A models only) for use in the US or Canada
• Conforms to accuracy requirements set forth in ANSI C12.1 and C12.16
• Certified to California Division of Measurement Standards
• Approved by the California Energy Commission for use in the California Solar
Initiative’s Performance Based Incentive Program
• Approved by State of Maryland Public Service Commission in accordance with
applicable ANSI C12.1 requirements
2.4 Physical Description
2.4.1 Single Meter
5
L1
X1 X2
CT1 CT2 (Kh) Isol
Isolated Output
X1 X2 10 100 1000 Counter
+12VDC
12COM
L2N
4.620
2.8452.150
3.525
5.130
5.130
1.107 1.282
.125
Figure 1 - Single Mini Meter Case Dimensions
WEB VERSION
3 TECHNICAL SPECIFICATIONS
3.1 Model Number Description
3.1.1 Individual Meter Model Numbers
The Mini Meter model number format is shown below:
2 PRODUCT DESCRIPTION
2.5 Applications
• Apartments • Campgrounds
• Marinas • Anywhere accurate electric submetering is needed
• Mobile Home Parks
6
Figure 2 - Mini Meter Model Number Format
ABCDE–XYZ
Series CT Type
M = OEM Module SC = Solid Core
SP = Split Core
NC = No CTs
Single/Dual Element
S = Single Element
D = Dual Element Amperage Rating
Example:
MDNCT-1SC
1 = 100A
Output
2 = 200A
NC = Mechanical counter resolution 0.1 kWh
Mechanical counter resolution 1.0 kWhTC =
Option of Terminal
T = Normal Terminal
WEB VERSION
3 TECHNICAL SPECIFICATIONS
3.1 Model Number Description
3.1.2 MMU Model Numbers
The MMU model number format is shown below:
Figure 3 - MMU Model Number Format
ABC ED–XYZ
Series
6 = Mini Meter Gen 3 MMU
Enclosure Size
M = Medium
L = Large
X = ExtraLarge
Configuration
Examples:
6M205-CFG
6L307-KIT
6X319-CFG
CFG = Configured per Customer request
Phasing Configuration
KIT = Un-Configured, for configuration in field
2 = Two Phase Applications
Three Phase Applications3=
Number of Meters
02/03/04 = For Medium Size Enclosures
05/.../08 = For Large Size Enclosures
09/.../19 = For ExtraLarge Size Enclosures
** For finished goods ending on KIT:
Large Enclosure can hold up to 7 meters
and ExtraLarge Enclosure can hold up to 18 meters
7
WEB VERSION
Input Configurations 1 Phase, 2 wire
1 or 2 Phase, 3 wire
Supply Voltage Range
(L1 or L2 to Neutral)
Min. 102 VAC Max. 138 VAC
Maximum Input Power 8 VA
Maximum Rated Current1220 A primary for 200 A models
110 A primary for 100 A models
0.11 A secondary for 0.1 A secondary models
0.22 A secondary for 0.2 A secondary models
Line Frequency 50-60 Hz
Power Factor Range 0.5 to 1.0, leading or lagging
Accuracy +/- 0.5% of registration @ 1.0pf. 2 to 200 A
+/- 0.75% of registration @ 0.5pf, 2 to 200 A
Operating Temperature Range -30 to +70 degrees C
Rated Pollution Degree22
Rated Relative Humidity 80%
Branch Fuse Holder
Klemsan ASK2 or equiv.
500 V, 6.3 A, 6 mm2
Branch Fuses
Large/XL Enclosure: Littlefuse, Inc.
0235003.HXP or equiv.
Medium Enclosure: Littlefuse, Inc.
0235001.HXP or equiv.
250 V, 3 A, fast acting, short time lag
250 V, 1 A, fast acting, short time lag
Terminal Blocks Mini Meter
Dinkle/International Connector
EK508-11P or equiv.
MMU: Molex 0387800105 or Cinch Barrier
Block Series 141 or equiv.
4.4 in-lb of torque maximum
12 in-lb of torque maximum
3 TECHNICAL SPECIFICATIONS
8
Table 1 - Electrical and Environmental Specifications
1Product approved for use with included Leviton Current Transformers, as follows:
• 200A:
Part Numbers CDA02-x12 (CDA02-B12, CDA02-R12, CDA02-L12, CDA02-212,
CDA02-312) for Solid Core, 0.72" Diameter CTs or CTD02-K16 for Split Core 1" CTs
• 100A:
Part Numbers CDA01-x12 (CDA01-B12, CDA01-R12, CDA01-L12, CDA01-212,
CDA01-312) for Solid Core, 0.72" Diameter CTs or CTD01-K16 for Split Core 1" CTs
2Pollution Degree 2: normally only non-conductive pollution occurs. Occasionally, however,
a temporary conductivity caused by condensation must be expected.
3.2 Electrical and Environmental Specifications
Mini Meters fall under UL Circuit Category III: a device for measurements performed
in the building installation. The electrical and environmental specifications for Mini
Meters are given in the table below
WEB VERSION
3 TECHNICAL SPECIFICATIONS
3.3 Input/Output Connections and User Display
Voltage Inputs (wire connections) Description
L1 Black wire, voltage input, Line 1,120 V with
respect to neutral
N White wire, Neutral input
L2 Red wire, voltage input, Line 2, 120 V with
respect to neutral (MMD models only)
CT Inputs
CT1 : X1 Current Transformer input, CT1. Black or
Wh/Blk (striped) wire of CT1
CT1 : X2 Current Transformer input, CT1. White wire
of CT1
CT2 : X1 Current Transformer input, CT2. Red or
Wh/Rd (striped) wire of CT2 (MMD
models only)
CT2 : X2 Current Transformer input, CT2. White wire
of CT2 (MMD models only)
9
L1
X1 X2
CT1 CT2 (Kh) Isol
Isolated Output
X1 X2 10 100 1000 Counter
+12VDC
12COM
L2N
Figure 4 - Mini Meter Connections and Display
Table 2A - Input Connections
LCD
Display
Load
LED
Sealing
Studs
WEB VERSION
LED Indicators Description
Load LED (green) 50% duty cycle LED to verify proper
meter function when connected to a
load. At 200 watts, LED will flash 1.5
minutes on, 1.5 minutes off; with no
load, LED will remain on or off
LCD Display LCD display that shows total kWh
(also displays kw demand,
instantaneous kw, error codes if
applicable, and more information
upon boot. Refer to the mini meter
manual for complete information)
3 TECHNICAL SPECIFICATIONS
10
Table 3 - Display Indicators
Table 2B - Output Connections
3.3 Input/Output Connections and User Display
Outputs Description
10, Isolated Output (10 Wh/P, Kh = 10) Isolated pulse output: 5 watthours
on, 5 watthours off, referenced to
ISOL COM
100, Isolated Output (100 Wh/P, Kh=100) Isolated pulse output: 50 watthours
on, 50 watthours off, referenced to
ISOL COM
1000, Isolated Output (1 kWh/P, Kh=1000) Isolated pulse output: 500 watthours
on, 500 watthours off, referenced to
ISOL COM
ISOL COM Isolated common for 10/100/1000
isolated outputs
Counter (kh = 100 or kh = 1000)* For 12 V DC electro-mechanical
counter
+12 VDC +12VDC @ 10ma Max output
(MMS and MMD models only) (Not Isolated for pre-wiring only)
* Recommended Leviton Mechanical Counters part numbers are:
MPCTR-1KW (1kWh) and MPCTR-TKW (0.1kWh).
WEB VERSION
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