SECTION [26 09 13 31 00] [16290]
ELECTRICAL POWER MONITORING AND CONTROL
PART 1 - GENERAL
1.1
SCOPE
A.
1.2
This section defines the low voltage kWh revenue class multi-customer metering solution for
use in the AC electrical equipment as outlined in the one-line and / or riser drawings. These
solutions will provide low voltage kWh meters integrated into the electrical equipment. System
configurations being metered will be a Wye system rated metered will be WYE systems rated
347 V or less or Delta systems rated at 347V or less with potential transformers (PT’s) or
Polyphase systems with PT’s for higher for voltage systems higher than 347V. The multicustomer energy sub-meter solution shall offer an efficient system for commercial, industrial,
and residential sub-metering. The system must be expandable to accept non-electrical meter
inputs and provide the ability to report the energy information locally and remotely using a web
based software platform and / or billing solution for tenant bill generation.
RELATED DOCUMENTS
A.
Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 1 Specification Sections, apply to this Section.
B.
Related Sections include the following:
1.
[Section [26 09 26.03] [16145] – Lighting Control Devices
2.
Section [26 23 00] [16430] – Low Voltage Switchgear
3.
Section [26 24 13] [16441] – Switchboard
4.
Section [26 24 16] [16442] – Panelboards
5.
Section [26 24 19] [16443] – Motor Control Centers]]
6.
Section 26 – Electrical Installation
1.3
SUBMITTALS
A.
Submit shop drawings and product data for approval and final documentation in the quantities
listed according to the Conditions of the Contract. Customer name, customer location and
customer order number shall identify all transmittals.
B.
[Final Documents: Record documentation to include but not limited to: as-built wiring
diagrams, meter/breaker/load schedule, factory test results and certificate(s), system
commission report, manufacturers contact information, operation and installation
manuals.]
1.4
RELATED STANDARDS
A.
1.5
A.
1.6
Meet the following recognized standards for applications:
1.
Measurement Canada
2.
California Weights and Measure
3.
ANSI C1 and C1.16
4.
UL
5.
CSA-us
QUALITY ASSURANCE.
Manufacturer Qualifications: Manufacturer of this equipment shall have a minimum of 5 years
experience producing electronic submetering system equipment.
1.
Comply with requirements of latest revisions of applicable industry standards.
2.
Manufacture shall have local and remote web based tenant billing software solutions.
DELIVERY, STORAGE AND HANDLING
A.
Store and handle in strict compliance with manufacturer’s instructions and recommendations.
Protect from potential damage from weather and construction operations. If the meters are
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installed in equipment, store the equipment so condensation will not form on or in it.
necessary, apply temporary heat where required to obtain suitable service conditions.
If
PART 2 - PRODUCTS
2.1
MANUFACTURERS
A.
2.2
[The low voltage power meter shall be ICIMP636EXTC, ICIM3, ICITX2005, and BD25PT2K
metering solutions by Siemens or pre-approved equal. Approved manufacturers are as
follows:
1.
Siemens (ACCESS)
2.
.]
HARDWARE OVERVIEW
A.
The meters and the ancillary equipment must meet revenue approval by the recognized
authorities in Section 1.4.A [and authorities having jurisdiction].
B.
The metering units shall be a compact design with internal and external CT connections. Sizes
shall be:
1.
On-Board Internal CT meter: 16.5”L x 3.0” H x 1.5” W design.
2.
External CT meter: 16.0”L x 3.0” H x 1.0” W design.
C.
The system must provide at least one meter display unit (MDU) to automatically and manually
scroll through the meters in the submetering system, have two lines of programmable identifiers
and have the capacity to read 256 metering points per MDU.
D.
The on-board data logging device, approved for a revenue application, shall be an isolated part
of the electronic meter. The revenue data logger must be “opto-isolated” from all other data
outputs for revenue data integrity and security.
E.
Meters must be capable of retaining onboard 480-days of 1-hour profiles in non volatile
memory.
F.
Meters must have three separate and isolated energy data connections: pulse output, revenue
data logger and modus.
G.
Metering hardware shall be designed, factory installed and tested before shipping to site.
Factory meter test certificate for each meter is to be provided upon request
H.
Embedded solution must be a standard product offering by the panel manufacturer.
I.
Panel manufacturer must provide evidence of installed embedded solution with OEM. [The
panel manufacturer shall provide project reference and OEM embedded submetering
design.] Custom manufacturing is not acceptable.
J.
A main data collector or local server type device shall be provided to pole all the meters in the
system and provide a secondary data storage for all energy data from the meters
K.
Each meter shall be programmed with a baud rate and unique character mode (eg. 9600 8N1)
and base ID number. Example: A device programmed to be ID 1, that is attached to a 636,
configured as 8 meters, shall use ID numbers 1 to 8.
L.
The meter shall utilize a MICROCHIP high-performance, 16-bit PIC24HJ micro-controllers. It
shall have 16 current inputs, 3 voltage inputs. Each of the 16 inputs shall have separate,
isolated pulse output. The metering product shall be programmed for single phase or
polyphase applications [as based on the drawings].
M.
Each of the 16 input currents can be mapped to any of the three voltage inputs and each
current-voltage pair can be mapped to a specified meter.
N.
The meters shall be fully programmable from the manufactures setup software over a serial or
Ethernet connection.
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O.
The meter shall be configurable / programmed as follows:
1.
[Single phase Two wire - with metering capability of up to 16 meters]
2.
[Single phase Three wire - with metering capability of up to 8 meters]
3.
[Two phase / Three wire - with metering capability of up to 8 meters]
4.
[Three phase Four wire - with metering capability of up to 5 meters]
5.
[Provide programming for custom mixed phase arrangement up to 16 CT’s]
P.
The meter shall be powered from its own voltage inputs and shall support up to two internal 8channel data loggers where shown on the drawings.
Q.
The demand interval shall be adjustable within the metering unit.
R.
Service Types
1.
[Single Phase Two Wire]
2.
[Single Phase Three Wire]
3.
[Two Phase Network]
4.
[Poly- Phase Four Wire]
S.
Voltage Range
1.
The meter shall be applied to systems with a voltage range of 93-600 VAC L-N. The
system voltage is as shown on the drawings.
T.
Current Transformer Range
1.
2 to 400 A: CT’s are to be milli-Amp (mA), self shorting CT mounted on brackets for
embedded solution
2.
Larger than 400A shall also be acceptable, but will not utilize a standard mounting
bracket design.
3.
Integrated On-board CT meter will support up to 200amps on one inch centers.
U.
Communication
1.
Metering modules shall allow multiple hardwire and wireless options for transmitting data
within the building including:
a.
[RS-232]
b.
[RS-485]
c.
[TCP/IP]
d.
[RF 802.11/802.15]
e.
[BPL]
2.
Communications shall support Modbus RTU RS-485, as well as other protocols, that can
be configured as:
a.
[“2 Wire” half-duplex mode]
b.
[“4 Wire” full-duplex RS485 mode]
c.
The devices default shall be half-duplex RS485 mode.
3.
All the metering units shall be individually mapped and supervised for tolerance from a
local and global perspective.
V.
Metering Data
1.
The meter shall provide the following Modbus registers for remote monitoring:
a.
Voltage (l-n) per phase
b.
Voltage (l-n) average
c.
Current per phase
d.
Current average
e.
Power Factor per phase
f.
Power Factor Average
g.
kW per phase and total
h.
kVAR per phase and total
i.
kVA per phase and total
j.
kWh
k.
kVARh
l.
kVAh
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W.
Accuracy
1.
< 0.1% ANSI C.12
2.
Frequency: 50 / 60 Hz
3.
Pulse Constant: 10 Watt-hour per pulse.
4.
Temperature range: -30C to 55C or 27.4F to 131F
X.
Sealing and Security
1.
Each Meter shall have a unique serial number.
2.
Each Meter shall have Electronic and Mechanical sealing done at factory.
2.3
TENANT METERING SOFTWARE OVERVIEW
A.
The meter manufacturer shall provide a web-based tenant metering software that will allow user
to download, store, view and provide tenant bills a predefined intervals. Additional remote billing
services shall be offered to provide data hosting, invoicing, delivery and collection services.
B.
Software Features
1.
Operating Environment
a.
Windows XP or Vista with Microsoft.NET 2.0.
b.
Microsoft Jet Database (included) and ODBC capability.
c.
Data is stored in a SQL light database.
d.
Server shall support at least:
1.)
1.6 Ghz, with 512 MB Ram (1024 MB for Vista), 20 GB hard drive space
and Microsoft Excel for reporting.
2.
Reports
a.
The system shall automatically upload metering based data on a predefined time
period and print reports on demand or on a schedule.
b.
The Billing Engine shall be an easy to use wizard that will allow the user to set:
1.)
Multiple rates
2.)
Taxes
3.)
Administration charges
4.)
Setup charges
5.)
Late payment dates
6.)
Late payment charges
7.)
Custom charges
8.)
Customer names and id numbers.
c.
Reports shall include the Customers name, location, period covered, move in & out
dates, payment type and invoice number.
d.
Reports shall be visible on the computer and available in Excel.
e.
[Reports shall include the [electrical] [gas,] [water,] [steam] and [air].]
3.
System
a.
The sub-metering system shall automatically upload all the metering based data
on a predefined time period.
b.
Tenant software shall be expandable up to 5,000 tenant meters per site.
c.
Input of other utilities such as water, air, gas and steam shall be allowed.
d.
Detailed trend plots (Consumption Tracker) with a time period selectable by the
end user by hour, day, month or yearly basis.
e.
Energy usage bar charts by meter or groups of meters.
f.
Detailed consumption reports with meter profile information.
g.
Provide a Resident Management tool that allows the property management
company to manage the residents as they move in and out and show vacant units.
h.
Provide a Tenant Metering Dashboard to allow easy access to the billing and
tenant information. This dashboard will allow users to print bills, reports, and save
notes on individual customers.
PART 3 - EXECUTION
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3.1
INSTALLATION
A.
The Contractor shall furnish, install and terminate all communication conductors and associated
conduits external to any factory supplied equipment.
B.
All communication conductor wiring and routing shall
recommendations and as shown on the contract drawings.
C.
Additional connections to metering systems, where applicable, shall be done in the field by [the
manufacturer’s start-up service group] [the installing contractor].
3.2
be
per
the
manufacturer's
ADJUSTING AND CLEANING
A.
The meters shall be adjusted so that accurate readings appear on the front of the meter and
that the readings are within the meters accuracy range.
B.
Clean exposed surfaces using manufacturer recommended materials and methods.
3.3
TESTING
A.
3.4
Perform factory and installation tests in accordance with applicable NEC, NEMA, UL, ANSI,
Weights and Measures California and Measurement Canada requirements.
WARRANTY
A.
3.5
Equipment manufacturer warrants that all goods supplied are free of non-conformities in
workmanship and materials for one year from date of initial operation, but not more than
eighteen months from date of shipment.
[STARTUP SERVICES]
A.
[Engage a factory-authorized service representative to perform startup service.
B.
Provide a qualified tradesman to assist in the commissioning of system
C.
Obtain and submit as part of final documents a field commissioning report
D.
Verify that the [meter is] [meters are] installed and connected according to the Contract
Documents.
E.
Complete installation
instructions.]
3.6
and startup
checks according to manufacturer's written
SUPPORT
A.
The electrical equipment manufacturer shall provide a 1-800 number for telephone support.
B.
The vendor shall provide training at a dedicated training facility, complete with software, devices
and demonstrations or offer remote training services if required.
C.
The vendor shall also provide on-line support for technical information and literature.
END OF SECTION
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