Installation Instruction
Contents
1. H SERIES CLASS 500 METER 3 0 METER TECHNICAL SPECIFICATIONS Input Voltage Configuration 3 wire Delta Or 4 wire Wye Mains Voltage Input Up To 600 VAC RMS Available Input Power 12 VA Maximum Rating Current Sensor Rating Up To 3200 Amps RMS AC Available Power Factor 0 5 Leading Or Lagging Line Frequency 50 60 Hz Metering Accuracy All meter current sensor amperages are accurate to ANSI C12 20 standards at 0 296 from 196 to 10096 of current rating Voltage Operating Range 10 Of Rated Load Temperature Range 20 C To 50 C Relative Humidity Range 0 95 Non condensing Altitude 2000 Meters Maximum Voltage Overload 25 Continuously 100 For 20 Cycles Current Sensor Overload 100 For 1 Minute Without Damaging Meter Pollution Degree Degree 2 In Accordance With IEC 664 Installation Category 111 Overvoltage Category Measurement Category 111 Category Enclosure Type Either UL Type 1 indoor enclosure or UL NEMA Type 4X enclosure Display Readout 4 Line LCD Standard Ranges 4 Wire Wye 208 VAC 100 200 400 800 1600 3200 Amp 3 Wire Delta 480 VAC 100 200 400 800 1600 3200 Amp 4 Wire Wye 208 VAC 100 200 400 800 1600 3200 Amp 4 Wire Wye 600 VAC 100 200 400 800 1600 3200 Amp 7 62 0399 01 H SERIES CLASS 500 METER RS 485 Serial Communications Cable UL listed2. This Limited Warranty does not cover any product if i a product is altered or modi fied from its original manufactured condition ii any repairs alterations or other work has been performed by Buyer or others on such item other than work performed with Honeywell s authorization and according to its approved procedures iii the alleged defect is a result of abuse misuse improper maintenance improper installation acci dent or the negligence of any party iv damaged as a result of events beyond Hon eywell s control or other force majeure events or v used in conjunction with equipment components accessories parts or materials not supplied or approved by Honeywell This Limited Warranty is limited to the obligation to repair or replace the manufac tured product This is the sole and exclusive remedy for any breach of warranty IN NO EVENT SHALL HONEYWELL BE LIABLE FOR ANY INDIRECT INCIDENTAL SPECIAL CONSEQUENTIAL OR PUNITIVE DAMAGES INCLUDING ANY DAM AGE FOR LOST PROFITS ARISING OUT OF OR IN CONNECTION WITH THE FURNISHING OF PRODUCTS PARTS OR SERVICES OR THE PERFORMANCE USE OF OR INABILITY TO USE ANY PRODUCTS PARTS OR SERVICES SALE OF OR OTHERWISE WHETHER BASED IN CONTRACT WARRANTY TORT INCLUDING WITHOUT LIMITATION NEGLIGENCE OR ANY OTHER LEGAL OR EQUITABLE THEORY EXCEPT AS EXPRESSLY PROVIDED HEREIN HONEYWELL MAKES NO WAR RANTY OF ANY KIND EXPRESS OR IMPLIED WITH RESPECT TO ANY PROD UCTS PARTS OR SERVICES
3. R nvoVolt LL SNVT volt f Voltage line line Volts L R nvoFrequency SNVT freq f Frequency Hz nvoPhase Angle SNVT angle f Phase angle Degree nvoReal Pwr PhA SNVT count inc f Real power phase A kW nvoReal Pwr PhB SNVT count inc f Real power phase B kW nvoReal Pwr PhC SNVT count inc f Real power phase C kW nvoReact Pwr PhA SNVT count inc f Reactive power phase A kVAR nvoReact Pwr PhB SNVT count inc f Reactive power phase B kVAR nvoReact Pwr PhC SNVT count inc f Reactive power phase C kVAR nvoAppar Pwr PhA SNVT count inc f Apparent power phase A KVA nvoAppar Pwr PhB SNVT count inc f Apparent power phase B KVA nvoAppar Pwr PhC SNVT count inc f Apparent power phase C kVA nvoPwr Fact PhA SNVT pwr fact f Power factor phase A PF 43 62 0399 01 H SERIES CLASS 500 METER Lonworks SNVT Types Point Map Network Variable Name SNVT Type Description Units CL500 Notes nvoPwr Fact PhB SNVT pwr fact f Power 96 PF R factor phase B nvoPwr Fact PhC SNVT pwr fact f Power 96 PF R factor phase C nvoCurrent PhA SNVT amp f Current Amps R phase A nvoCurrent PhB SNVT amp f Current Amps R phase B nvoCurrent PhC SNVT amp f Current Amps R phase C nvoVolt LN PhA N SNVT volt f Voltage Volts N R line to
4. 6 9 Modbus RTU Wiring The Class 500 Modbus meter communicates with building automation equipment over a 2 wire 3 conductor RS 485 network using Modbus RTU protocol The meters are networked in a daisy chain configuration Section 6 7 with BELDEN 1120A cable or equivalent The cable rating of 600V allows the RS 485 network to be connected to 480 volt meters Up to 52 meters can be installed on a network string The maximum combined length of all daisy chained cables must not exceed 4000 feet The meter to network connection is through the 3 screw terminal which is located on the Main Power Board of the meter Figures 6 10 1 and 6 11 1 show the terminal location and correct wiring method for Modbus communication M33274 Fig 12 Modbus RTU Wiring The meter is shipped with a Modbus ID number of 01 This must be changed if the network has more than one meter installed The change must be done before the meter is introduced into the network The meter can be numbered from 1 to 247 There can be no duplicate numbers on a network so caution must be taken when assigning a meter ID number prior to its installation on the RS 485 network SEE SECTION 10 FOR INSTRUCTIONS ON CHANGING ID AND IP ADDRESSES 62 0399 01 26 H SERIES CLASS 500 METER 6 10 Ethernet Communications Ethernet IP communications connections are provided through an RJ 45 connector J8 in the lower right corner of the main power board This port can be connected directly
5. Multiple Load Wiring Diagram 8 0 PREVENTATIVE SCHEDULED MAINTENANCE The unit is shipped in a calibrated and fully functional tested condition Since the unit is factory calibrated using proprietary firmware algorithms no internal unit adjustments are necessary This unit contains no internal adjustments so no preventative or scheduled maintenance is required No cleaning or decontamination procedures are required for this instrument 29 62 0399 01 H SERIES CLASS 500 METER 9 0 LITHIUM BATTERY REPLACEMENT INSTRUCTIONS The Class 500 kWh Demand meter has a Lithium Battery Cell which is used to retain the contents of SRAM and the RTC during power outages The battery has a life expectancy of greater than 5 years Nominal Working Voltage 3 Vdc Output Nominal Current Capacity 225 mAHr Cell Chemical Manganese Dioxide Lithium Operating Temperature Range 30 to 60 Degrees Celsius Manufacturer Panasonic Manufacturers Part Number CR2032 Fig 15 Battery Specifications at 25 Degrees Celsius WARNING WARNING Only replace battery with Panasonic part number CR2032 only Use of another battery may present a risk or explosion See owners manual for safety instructions 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 objec
6. neutral phase A N nvoVolt LN PhB N SNVT volt f Voltage Volts N R line to neutral phase B N nvoVolt LN PhC N SNVT volt f Voltage Volts N R line to neutral phase C N nvoVolt LL PhA B SNVT volt f Voltage Volts L R line to line phase A B 62 0399 01 44 H SERIES CLASS 500 METER 13 0 METER LIMITED WARRANTY Subject to the exclusions listed below Honeywell will either repair or replace at its option any product that it manufactures and which contains a defect in material or workmanship The following exclusions apply 1 a F 8 ND This Limited Warranty is only effective for a period of 5 five years following the date of manufacture when installed in accordance with manufacturer s instructions by qualified personnel Honeywell must be notified of the defect within ninety 90 days after the defect becomes apparent or known Buyer s remedies shall be limited to repair or replacement of the product or compo nent which failed to conform to Honeywell s express warranty set forth above Buyer shall be responsible for all freight costs and shall bear all risk of loss or dam age to returned goods while in transit This Limited Warranty does not cover installation removal reinstallation or labor costs and excludes normal wear and tear Buyer shall provide labor for the removal of the defective component or item and installation of its replacement at no charge to Honeywell
7. phase B 41039 2 Reactive power KVAR R phase C 41041 2 Apparent power KVA R phase A 41043 2 Apparent power KVA R phase B 41045 2 Apparent power KVA R phase C 41047 2 Power factor phase PF R A 41049 2 Power factor phase PF R B 41051 2 Power factor phase PF R C 41053 2 Current phase A Amps R 41055 2 Current phase B Amps R 41057 2 Current phase C Amps R 41059 2 Voltage line to Volts N R neutral phase A N 41061 2 Voltage line to Volts N R neutral phase B N 41063 2 Voltage line to Volts N R neutral phase C N 41065 2 Voltage line to line Volts L R phase A B 41067 2 Voltage line to line Volts L R phase B C 41069 2 Voltage line to line Volts L R phase C A 41071 2 Phase angle phase Degree R A 41073 2 Phase angle phase Degree R B 62 0399 01 38 H SERIES CLASS 500 METER Modbus Float Registers Continued Address Registers Description 41075 Phase angle phase C 41077 Reserved 41079 Reserved 41081 Reserved 41083 External Input 1 41085 2 External Input 2 2 To clear single meter kWh kVARh set multiple points at 41001 for 8 points with data set to 0000 0000 0000 0000 0000 0000 0000 0000 Jumper J6 m 3 External inputs are standard on Class 5000 meters and optional on Class 3400 meters Part of Expanded Feature Package To clear Auxiliary Inputs set multiple points at 41083 or 41085 for 2 points with data set
8. PROVIDED BY HONEYWELL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT NESS FOR A PARTICULAR PURPOSE PRODUCTS OR COMPONENTS DISTRIB UTED BUT NOT MANUFACTURED BY HONEYWELL ARE NOT WARRANTED BY HONEYWELL AND BUYER MUST INSTEAD RELY ON THE REPRESENTATIONS AND WARRANTIES IF ANY PROVIDED DIRECTLY TO THE BUYER BY THE MANUFACTURER OF SUCH PRODUCT OR COMPONENT 45 62 0399 01 H SERIES CLASS 500 METER 62 0399 01 46 47 H SERIES CLASS 500 METER 62 0399 01 H SERIES CLASS 500 METER Automation and Control Solutions Honeywell International Inc Honeywell 1985 Douglas Drive North U S Registered Trademark Golden Valley MN 55422 2011 Honeywell International Inc customer honeywell com E Printed in United States
9. kW with preset date amp time 13 62 0399 01 H SERIES CLASS 500 METER Screen 4 Average current amps per phase Screen 5 Average voltage volts per phase Screen 6 Power factor PF per phase H Verify the voltage readings on Screen 5 using an AC voltmeter Typical readings shown below are measured phase to neutral for 4 wire and phase to phase for 3 wire Readings should be 10 of nominal Meter Type Nominal Voltage Limits 10 208 240V 39 4 Wire 120 VAC L N 108 to 132 VAC 480V 39 4 Wire 277 VAC L N 249 to 305 VAC 208 240V 39 3 Wire 240 VAC L L 216 to 264 VAC 480V 30 3 Wire 480 VAC L L 432 to 528 VAC 600V 39 4 Wire 347 VAC L N 312 to 380 VAC NOTE Meters are powered by phases A and B The displayed voltages will be the measured AC voltage between phases 6 3 Phasing of Line Voltage The 3 phase AC power input must be in proper phase sequence If the sequence is incorrect or a phase is missing there will be a message on the meter s display PH Sequence Error or PH Missing Refer to the section on Line Voltage Diagnostics if this message is present When the line voltage is connected correctly the meter s display will be blank no message Wait for the meter display to scroll to the voltage display Verify that the meter reads correct voltages on all three phases Repeat Step F above Once the meter displays the correct line voltages and there are no error
10. messages you are ready to connect the current sensors to the meter Before continuing with the installation verify that the six screens display as follows Screen 1 kWh Should read 0 0 kWh if not should be reset Screen 2 KW Peak Demand kW peak should read 0 0 kW There will not be a date time stamp yet If there is a KW peak recorded it should be reset later Screen 3 Load Clock Calendar Should read 0 0 kW load Screen 4 Amps per Phase There should be 0 0 on all three phases Screen 5 Average AC Volts See the section 6 2 4 F Screen 6 Power Factor There should be 0 0 PF on all three phases NOTE The meter will be reset later via the software during startup procedures 62 0399 01 14 H SERIES CLASS 500 METER 6 4 Current Sensor Installation amp Wiring Once the AC voltages have been confirmed to be within acceptable limits you are ready to install the current sensors TB1 positions 5 and 6 are the inputs for Phase A TB1 positions 7 and 8 are the inputs for Phase B and TB1 positions 9 and 10 are the Phase C inputs The Class 500 meter can be used with the following type of current sensor Split core current sensor This sensor opens so that it can be attached around the circuit being monitored without interrupting power Unless otherwise specified all Class 500 meters are supplied with this sensor type 6 4 1 Installing the Split Core Current Sensor Assembly 1 Each phase being monitored will req
11. rated Telephone Cord 4 cond Input output Voltage Ground isolated 5 4VDC Cable Connector Screw Terminal Termination Circuit Input Isolation 5 3kVAC Max Cable Distance 4000 Feet Max Network Nodes 64 Cabling Nodes Including Master Default Baud Rate 9600 for Modbus RTU and EZ 7 38400 for BACnet MS TP Recommended Manufacturer Littlefuse In line Fuse Mfg Part No KLDR 100 Rating 100mA Time delay 600VAC Cartridge Fuse Battery Cell Description Non rechargeable Cell Used For Memory Retention Manufacturer Panasonic Mfg Part No CR2032 Working Voltage 3 VDC Current Capacity 225 mAHr Electrolyte Manganese Dioxide Lithium 62 0399 01 H SERIES CLASS 500 METER Class 500 and Green Net 3 Phase Meter Selection Guide o 25 Os 5 5 oeil sio Current Enclosure Green Net Sensors Type Protocol Option Included H 50 208 100 J JIC 01 EZ 7 RS 485 EZ 7 N GREEN NET KIT 3 SPLIT STEEL ETHERNET CLASS CORE GREEN NET SENSORS METERS ONLY 1480 200 R NEMA 02 MODBUS RTU KIT NO 4X EZ 7 ETHERNET OPTIONS 3 SPLIT CORE SENSORS 600 400 03 BACNET MS TP EZ 7 ETHERNET 800 05 EZ 7 RS 485 BACNET IP 1600 06 MODBUS RTU MODBUS TCP IP 3200 07 LONWORKS TP EZ 7 ETHERNET Example H50 480400 JO5KIT Class 500 480V 400A JIC Steel Enclosure BACnet IP and R
12. section 10 1 Using a Local Computer with E Mon Energy Software A local computer installed in the building can communicate with the RS 485 network The computer must be connected to an RS 232 key The RS 232 key is then connected to an available RS 485 jack in the meter using an RJ 11 cable 21 62 0399 01 H SERIES CLASS 500 METER 6 8 RS 232 Communications 6 8 1 Hardwired System using the RS 232 Communication Key for connecting an EZ 7 meter to a computer with E MON Energy software The RS 232 communications key part number SUB RS232K allows you to connect Class 500 meters that use E 7 protocol to a personal computer that has the E Mon Energy software installed The computer communicates with the meters through the RS 232 key The RS 232 key must be located within 15 feet of the host computer I UP TO 4000 FEET TOTAL UP TO 52 gt CLASS 500 mm METERS THAT USE EZ 7 PROTOCOL PC CHANNEL 1 RS 232 SERIAL PORT COM1 OR COM2 RS 232 KEY 15 FEET MAX AC ADAPTER CHANNEL 3 CHANNEL 2 UP TO 4000 FEET TOTAL UP TO 52 gt CLASS 500 METERS THAT USE EZ 7 PROTOCOL M33275 Fig 10 RS 232 Configuration 6 8 2 Connecting the RS 232 Key to the Computer The RS 232 key is supplied with 1 8 conductor cable fitted with RJ 45 plugs 1 DB 9 serial COM port adapter 1 AC adapter that converts 120VAC t
13. sensor diagnostics To do this there must be at least 196 of the meter s current rating amps fl owing in each of the conductors being monitored The Class 500 meter s diagnostic program will provide data to ensure that the current sensor installation is done properly The current sensor connection points are located at the bottom right of the main power board These are terminals 5 through 10 of terminal block TB1 Each sensor connects to two terminals one labeled Black and the other White Current sensors should be connected to the meter one at a time and verified using the current sensor diagnostic program Connect one of the current sensors to TB1 terminals 5 and 6 Phase A Wait 5 seconds and look at the meter display 62 0399 01 16 H SERIES CLASS 500 METER 6 4 2 Current Sensor Wiring continued If the meter displays an error message see below remove the wires from terminals 5 and 6 and install them on terminals 7 and 8 Phase B if an error message occurs with the sensor attached to terminals 7 and 8 try again on terminals 9 and 10 Phase C The CT Error message will disappear when the current sensor is connected to the correct terminals phase Error Messages CT ERROR A CT ERROR AB CT ERROR AC Refer to the section on Current Sensor Diagnostics for assistance in troubleshooting these errors 6 4 3 Main Power After the meter circuit wiring has been examined for correctness power may be applied to
14. the circuit board There are three LEDs located in the upper right corner of the Meter Board labeled BEAT STATUS and LOAD The BEAT and STATUS LEDs will blink once per second when the meter is operating normally twice per second if there is a problem If the monitored circuit is under load the LOAD LED will actively blink A heavy load will cause the LED to blink faster than a light load Very light loads will result in an extended blink time 17 62 0399 01 H SERIES CLASS 500 METER 6 5 Main Power amp Current Sensor Wiring Diagram LINE VOLTAGE CURRENT SENSORS 3 PHASE INSTALLATION DIAGRAM A B OC N NOTES LINE VOLTAGE CONNECTIONS 14 22 AWG SENSOR CONNECTIONS W WHITE LEAD B BLACK LEAD NEUTRAL NOT USED IN DELTA SYSTEM LITTLEFUSE PART NUMBER KLDR 100 1 10A 600 VAC INLINE FUSE PER CONDUCTOR LITTLEFUSE PART NUMBER KLDR 100 SOURCE M33194 Fig 7 Current Sensor Wiring Diagram 6 6 Line Voltage Current Sensor Diagnostics Following is a list of diagnostic messages that may appear on the meter display DIAGNOSTIC MESSAGES SHOULD NOT BE ON CONTINUOUSLY WHEN THE METER IS INSTALLED PROPERLY AND IS IN WORKING ORDER 6 6 1 Line Voltage Diagnostics The diagnostics program detects line voltage faults by displaying one of two messages PH Missing B C or Phase sequence error Phase sequence error indicates that the 3 phase line voltage is not hooked up in the proper phase sequence This message should never be see
15. to 0000 0000 Jumper J6 must be closed BACnet Object Descriptors Instance BACnet BACnet ID Object Description Units Property CL500 Notes 1 Analog Energy kWh Present R Input delivered Value 2 Analog Energy kWh Present R Input received Value 3 Analog Reactive kVARh Present R Input energy Value delivered 4 Analog Reactive kVARh Present R Input energy Value received 5 Analog Real power KW Present R Input Value 6 Analog Reactive kVARh Present R Input power Value 7 Analog Apparent kVARh Present R Input power Value 8 Analog Power factor PF Present R Input Value 9 Analog Current total Amps Present R Input Value 10 Analog Current Amps Present R Input average Value 39 62 0399 01 H SERIES CLASS 500 METER BACnet Object Descriptors Instance BACnet BACnet ID Object Description Units Property CL500 Notes 11 Analog Voltage line Volts N Present Input neutral Value 12 Analog Voltage line Volts L Present Input line Value 13 Analog Frequency Hz Present Input Value 14 Analog Phase angle Degree Present Input Value 15 Analog Real power kW Present Input phase A Value 16 Analog Real power kW Present Input phase B Value 17 Analog Real power KW Present Input phase C Value 18 Analog Reactive kVAR Present Input power Value phase A 19 Analog Reactive kVAR Pres
16. to a network port of a PC using a Cat 5e crossover cable Two LEDs are provided directly above the connector The LINK LED is yellow and when lit indicates ethernet connectivity The ACT led is green and when lit indicates communication activity The communication protocol for the Ethernet port is selected when ordering the meter The available choices are EZ7 Modbus TCP IP and BACnet IP See the ordering information for the available choices in combination with the RS 485 output Class 500 Ethernet IP Addressable meters can be tied into a local Ethernet network individually or for EZ 7 protocol only a single EZ 7 Ethernet connected meter can communicate with multiple EZ 7 RS 485 daisy chained conventional class 500 meters using a single IP address Each device that is connected directly to the ethernet network requires a unique IP address SEE SECTION 10 FOR INSTRUCTIONS ON CHANGING ID AND IP ADDRESSES ETHERNET EZ 7 MODBUS TCP IP OR BACNET IP NETWORK M31601 Fig 13 Ethernet EZ 7 Modbus TCP IP or BACnet IP Network 27 62 0399 01 H SERIES CLASS 500 METER 7 0 MULTIPLE LOAD MONITORING The Honeywell Class 500 meter provides extreme flexibility by allowing additional sets of current sensors to be used in parallel so multiple load locations can be monitored by one meter This feature allows a totalized display readout from two or more load circuits You may use parallel sensors to monitor specific breakers from one p
17. ERIES CLASS 500 METER 12 0 MODBUS POINT MAPS Modbus Integer Registers Address Registers Description Units 40001 2 Energy delivered kWh Pulse 40003 Energy received kWh Pulse 40005 Reactive energy kVARh Pulse delivered 40007 Reactive energy kVARh Pulse received 1 To clear single meter kWh kVARh set multiple points at 40001 for 8 points with data set to 0000 0000 0000 0000 0000 0000 0000 0000 Jumper J6 must be closed Modbus Float Registers Address Registers Description Units CL500 Notes 41001 2 Energy delivered kWh R W 2 41003 2 Energy received kWh R W 2 41005 2 Reactive energy KVARh R W 2 delivered 41007 2 Reactive energy KVARh R W 2 received 41009 2 Real power kW R 41011 2 Reactive power kVARh IR 41013 2 Apparent power kVARh R 41015 2 Power factor PF R 41017 2 Current total Amps R 41019 2 Current average Amps R 41021 2 Voltage line neutral Volts N R 41023 2 Voltage line line Volts L R 41025 2 Frequency Hz R 41027 2 Phase angle Degree R 41029 2 Real power phase A kW R 41031 2 Real power phase B kW R 41033 2 Real power phase C kW R 37 62 0399 01 H SERIES CLASS 500 METER Modbus Float Registers Continued Address Registers Description Units CL500 Notes 41035 2 Reactive power KVAR R phase A 41037 2 Reactive power KVAR R
18. Honeywell H Series Class 500 Meter ADVANCED KWH DEMAND METER INSTALLATION INSTRUCTIONS 62 0399 01 H SERIES CLASS 500 METER TABLE OF CONTENTS Section 1 0 Section 2 0 Section 2 1 Section 2 2 Section 2 3 Section 3 0 Section 4 0 Section 5 0 Section 6 0 Section 6 1 Section 6 2 Section 6 3 Section 6 4 Section 6 5 Section 6 6 Section 6 7 Section 6 8 Section 6 9 Section 6 10 Section 7 0 Section 8 0 Section 9 0 Section 10 0 Section 10 1 Section 10 2 Section 11 0 Section 12 0 Section 13 0 62 0399 01 Introduction Internal Electronic Assemblies Main Power Board Display Board Input Board Meter Technical Specifications Safety Label Definitions and Information Precautionary and Safety Information Meter Installation Mounting the Class 500 Meter Main Power Board Connections Phasing of Line Voltage Current Sensor Installation amp Wiring Main Power amp Current Sensor Wiring Diagram Line Voltage Current Sensor Diagnostics RS 485 Wiring RS 232 Communications Modbus RTU Wiring Ethernet Communications Multiple Load Monitoring Preventative Scheduled Maintenance Lithium Battery Replacement Instructions Class 500 Meter Features Display Board Push buttons Reading The Class 500 Meter Display Frequently Asked Questions Modbus Point Map Meter Limited Warranty oan fk Ww 11 12 12 12 14 15 18 18 20 22 25 27 28 29 30 32 32 35 36 37 45 H SERIES CLASS 500 METER 1 0 INTRODUCTION The Honeywe
19. Input phase C Value 39 Analog Reserve A Input 40 Analog Reserve B Input 41 Analog Reserve C Input 41 62 0399 01 H SERIES CLASS 500 METER Instance ID BACnet Object Descriptors Units Description BACnet Property Pulse External Input 1 Present Value External Pulse Input 2 Present Value 1 External inputs are standard on Class 5000 meters and optional on Class 3400 meters Part of Expanded Feature Package Lonworks SNVT Types Point Map Network Variable Name SNVT Type Description Units CL500 Notes nvoKWh Del SNVT count inc f Energy kWh R delivered nvoKWh Rec SNVT count inc f Energy kWh R received nvoKVarh Del SNVT count inc f Reactive kVARh R energy delivered nvoKVarh Rec SNVT count inc f Reactive kVARh R energy received nvoReal Pwr SNVT count inc f Real power kW R nvoReact Pwr SNVT count inc f Reactive kVARh R power nvoAppar Pwr SNVT count inc f Apparent KVARh R power nvoPwr Fact SNVT pwr fact f Power 9e PF R factor nvoCurrent Total SNVT amp f Current Amps R total nvoCurrent Avg SNVT amp f Current Amps R average 62 0399 01 42 H SERIES CLASS 500 METER Lonworks SNVT Types Point Map Network Variable Name SNVT Type Description Units CL500 Notes nvoVolt LN SNVT volt f Voltage line neutral Volts N
20. S 485 EZ 7 with 3 Current Sensors Example H50 480400 J01 N KIT Class 500 480V 400A JIC Steel Enclosure Ethernet EZ 7 and RS 485 EZ 7 Green Net Meter with 3 Sensors included 9 62 0399 01 H SERIES CLASS 500 METER 4 0 SAFETY LABEL DEFINITIONS AND INFORMATION The 500 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 The manual should be consulted prior to proceeding The presence of this label indicates an electrical shock hazard exists in the location or area where the label is placed Prior to proceeding the MAINS power must be disconnected and the manual consulted for safety information 62 0399 01 10 H SERIES CLASS 500 METER 5 0 PRECAUTIONARY AND SAFETY INFORMATION N 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 WARNING High voltages present on main PCB terminal block TB1 screw terminals Risk of serious injury and or electrical shock exists Prior to performing any wiring operations review all contents of the user manual and de energize the MAINS power switch Only qualified per
21. and Menu These buttons are illustrated on page 26 To stop the display from scrolling follow these instructions The Select button is used to lock the meter s display so that it stops scrolling and the display remains on one screen Use the Up and Down buttons to choose which of the six screens you would like to display Press the Select button At the top of the display you will see the message HOLD1 This will lock the display for 1 HOUR NOTE The display hold feature has different selectable time periods Pressing Select again will show the message HOLD6 This will lock the display for 6 HOURS Continuing to press the Select button will provide additional timing choices HOLD12 Locks the display for 12 HOURS HOLD24 Locks the display for 24 HOURS HOLD Locks the display indefinitely To exit the HOLD mode Press the Select button as many times as needed until the HOLD message disappears from the display or simply press the CPU RESET button located near the right center of the CPU board Be sure to exit from the HOLD mode when you are done using this feature 62 0399 01 34 H SERIES CLASS 500 METER 10 2 Reading the Class 500 Meter Display The Class 500 meter has a backlit display that features 7 different displays showing information in 5 second scrolling intervals Explanations of these displays are as follows Screen 1 Total Kilowatt Hours kWh Delivered Received NET Screen 2 Peak Demand kW wi
22. anel specific breakers from more than one panel two or more complete panels etc When paralleling current sensors the following rules must be followed for accurate readings 1 2 Current sensors must be installed in complete sets of three with a maximum of three sensors installed in parallel per phase All sensors used in parallel must be of the same amperage rating all 100 amp all 400 amp etc The rating is determined by the current rating of the meter For example a 200 amp meter must use extra sets of 200 amp current sensors All locations being monitored must have the same power source A 480 volt meter cannot monitor a 208 volt load nor can a meter monitor two 480 volt loads if they are from different originating power sources or from different transformers Multiply the meter display readings by the number of sets of current sensors installed Example Meter readings of 5 kWh with 2 sets of current sensors 10 kWh is the actual usage 5 x 2 10 62 0399 01 28 H SERIES CLASS 500 METER NOTE One set of current sensors equates to three sensors one per phase The multiplier only applies when extra sets of current sensors are installed on one meter If you are using only one set of three current sensors the multiplier is not required LINE VOLTAGE CURRENT SENSORS Pb B 97 ZA B OC N W B W B W SISISISISIS CURRENT SENSOR LEADS CURRENT SENSOR LEADS SOURCE LINE M32790 Fig 14
23. ent Input power Value phase B 20 Analog Reactive kVAR Present Input power Value phase C 21 Analog Apparent kVA Present Input power Value phase A 22 Analog Apparent kVA Present Input power Value phase B 23 Analog Apparent KVA Present Input power Value phase C 24 Analog Power factor PF Present Input phase A Value 25 Analog Power factor PF Present Input phase B Value 26 Analog Power factor PF Present Input phase C Value 62 0399 01 40 H SERIES CLASS 500 METER BACnet Object Descriptors Instance BACnet BACnet ID Object Description Units Property CL500 Notes 27 Analog Current Amps Present R Input phase A Value 28 Analog Current Amps Present R Input phase B Value 29 Analog Current Amps Present R Input phase C Value 30 Analog Voltage line Volts N Present R Input neutral Value phase A N 31 Analog Voltage line Volts N Present R Input neutral Value phase B N 32 Analog Voltage line Volts N Present R Input neutral Value phase C N 33 Analog Voltage line Volts L Present R Input line phase Value A B 34 Analog Voltage line Volts L Present R Input line phase Value B C 35 Analog Voltage line Volts L Present R Input line phase Value C A 36 Analog Phaseangle Degree Present R Input phase A Value 37 Analog Phaseangle Degree Present R Input phase B Value 38 Analog Phaseangle Degree Present R
24. h end of the cable Do not use any pre made telephone cables 1 Plug the 4 wire RJ 11 cable plug assembly into Channel A on the RS 232 key Connect the other end of this cable to the meter via the RS 485 port PORT 2 at the bottom right of the Class 500 meter main power board NOTE The total combined cable length must not be more than 4000 feet 2 Each meter has one yellow TX and one green RX LED located on the right side of meter board just below the ribbon cable If the system is properly wired these two LEDs will be OFF These LEDs will fl ash when the computer and meter are communicating 23 62 0399 01 H SERIES CLASS 500 METER 6 8 4 External Modem 1 All meters should be connected to the RS 232 key as described in 6 8 2 2 DISCONNECT POWER TO THE RS 232 KEY Remove the cover by removing the 2 screws from the bottom of the enclosure 3 Onthe circuit board locate the blue jumpers J7 MODEM and J8 ex MODEM If these jumpers are set in the DIRECT position you must move the jumpers so they are set in the MODEM position Re place the cover and secure the enclo sure 4 Connect the RS 232 key to the external modem using the supplied 8 conductor at modular cable 5 Connect the 9VDC adapter to the power input on the back of the RS 232 key and plug it into a 120VAC outlet IMPORTANT The modem should use a phone line that is dedicated exclusively to the AMR system Do not use a phone line that is shared by another m
25. ilure to attach the protective earth ground wire securely to the meter creates a potential shock hazard Do not operate the meter without a protective earth ground connection securely installed 3 Wire Entry One 3 4 conduit opening is located on the bottom of the unit enclo sure This opening is used for bringing in MAINS power and for current sensor wiring Route the appropriate cabling to and through the respective enclosure opening 4 After installing the conduit fitting and conduit verify that each conduit slip nut is securely tightened to its respective conduit fitting Any unused openings must be sealed with a UL rated plugging device suitable for the rating of the enclosure check formatting NOTE Metallic enclosure has one additional 1 2 conduit opening at top of unit 5 Unit MAINS wiring The first four positions of terminal block TB1 located at the bottom left corner of the main power board are clearly labeled Phase A B C N neutral Earth Ground MUST be connected to the PCB mounting screw in the lower right corner 62 0399 01 12 H SERIES CLASS 500 METER E oco PHASE PHASE PHASE NEUTRAL pi SENSOR N Fig 4 Terminal Block TB1 NOTE For 3 wire delta type meters Do NOT connect the NEUTRAL wire Remove the terminal block screw for this position A Connect the NEUTRAL wire to the appropriate terminal block position B Earth Ground C Connect the Earth Ground to the PCB mounting screw in the lowe
26. is indicated by the arrow Then push the SELECT button to enter the configuration screen for that item The UP and DOWN buttons can then be used to change the configuration field that is flashing To change to a different field push the SELECT button again After all changes have been made the display will return to scrolling after approximately 20 seconds Date amp Time Select this field to set month day year and time Device ID Select Device ID to change the default setting The default setting is 1A for EZ7 and 1 for ModBus IP Settings The IP Settings menu allows you to select DHCP or static IP address The static IP address mask and gateway information can be entered using this menu Peak Demand Reset To reset the recorded peak kW demand press the MENU button until Reset kW kWh Read is indicated by the arrow on the display Press the SELECT button Reset kW only N Reset all N Will appear on the display Press the UP button to change the N to a Y after Reset kW only The peak demand will be reset to zero and the meter will return to its normal scrolling display mode Reset all will reset KWh as well as kW 33 62 0399 01 H SERIES CLASS 500 METER 10 1 Display Board Push Buttons Continued Display Hold Feature You can lock the scrolling display so that it will stay locked on any one of the six Screens On the inside of the door locate the 4 buttons at the top of the Display Board Down Up Select
27. ks FT 10 For LON and BAC net MS TP connections use standard wiring procedures topologies for these communication types The LON is a two position terminal block for twisted pair and the BACnet MS TP is a 3 position terminal block The protocol is chosen when ordering the Class 500 meter A second protocol is available through the Ethernet port The Ethernet protocol is also chosen when the meter is ordered See ordering information for the available choices Daisy Chain Method This is the simplest method for connecting meters together EMS OR WEBs CONTROLLER CONNECTION VIA DAISY CHAIN RS 485 M31600 Fig 8 Daisy chain configuration 1 Connect the high terminal of PORT 1 of each Class 500 meter together so that the terminals on all meters are linked to to 2 Connect the low terminal of PORT 1 of each Class 500 meter together so that the terminals on all meters are linked to to 62 0399 01 20 H SERIES CLASS 500 METER 6 7 RS 485 Wiring continued 3 Connect the GND terminals of PORT 1 of each Class 500 meter so that the GND terminals on all meters are linked GND to GND to GND M33274 Fig 9 RS 485 Terminal After performing these steps all of the meters will be connected in a daisy chain configuration This network of meters can then be connected to the RS 485 network and communication can be established RS 485 meter IDs should be set at the meter prior to establishing communication see
28. l enclosure WARNING Use of this instrument Class 500 in a manner inconsistent with this manual or not specified by the manufacturer in writing can cause permanent damage to the unit and or serious injury to the operator The protection and safety features provided by this equipment may become impaired or otherwise compromised 3 62 0399 01 H SERIES CLASS 500 METER 2 0 INTERNAL ELECTRONIC ASSEMBLIES The unit is comprised of two major subassembly boards the main power board and the display board Both circuit boards are mounted inside either a NEMA 4X or JIC STEEL Enclosure MAIN POWER DISPLAY BOARD M33270 Fig 1 Internal Electronic Assemblies 62 0399 01 4 H SERIES CLASS 500 METER 2 1 Main Power Board Connections to this board include the MAIN Power Input and current sensors The MAIN Power Input terminals are positions one through four on the four position screw terminal block TB1 These terminals are covered with a protective shield for safety purposes The current sensor assemblies interface to the TB2 TB3 and TB4 Each terminal block corresponds to an input voltage phase care must be exercised to ensure that each current sensor is connected to the correct terminal block One three terminal screw connector TB42 is provided for RS 485 communications One RJ 45 jack J8 is provided for 10 100 base T Ethernet One two terminal screw connector provides phase loss alarming There are also two headers prese
29. ll Class 500 meter is a 3 phase meter with communications The device is used to monitor electric power usage of individual loads after the utility meter The Class 500 meter is dual protocol capable and provides both RS485 and Ethernet communications Installation must only be performed by qualified personnel and in accordance with these instructions and all applicable local and national electrical codes Honeywell and its representatives assume no responsibility for damages or injury resulting from the improper installation of this meter Verify the input voltage rating and configuration on the unit panel label to ensure that it is suitable for the intended electrical service Class 500 meters labeled for 120 208V service MUST NOT be installed on service feeds of 277 480 volts or 347 600 and vice versa Verify that the Class 500 meter s current sensors are sized suitably for the load to be monitored Compare the color of the arrows on the current sensors to the chart below to confirm the correct current sensor is being used Sensor Arrow Color Code Sensor Rating Brown 100A Red 200 A Yellow 400A Black 800A Blue 1600 A White Black 3200 A N CAUTION Internal circuit card components are extremely sensitive to electrostatic discharge Prior to handling or touching internal circuitry discharge any static buildup on your person To discharge yourself touch a grounded metal object such as conduit or an earth grounded meta
30. n continuously on the display during normal operation The meter will not display correct electrical data in this condition The phase sequence problem must be remedied in order for the meter to work properly PH Missing B C indicates that the line voltage is missing on Phase B and or Phase C This message will appear whenever the power on either Phase B or Phase C is off Screen 5 Voltage per Phase will also indicate a loss of line voltage 62 0399 01 18 H SERIES CLASS 500 METER 6 6 2 Current Sensor Diagnostics The load current must be at least 1 of the meter s rated load in order to use the diagnostic function Current sensor diagnostics can detect 1 Reversed current sensors 2 Incorrect phase correspondence 3 Unusually low power factor 0 642 or lower CT Error ABC is used to detect the swapping of current sensor phases This message could in some rare cases indicate a low lt 65 power factor condition This message may appear intermittently due to changes in line conditions It should not be on continuously NOTE f you have connected the current sensor to all three terminals and the error message is still appearing reverse the black and white wires and repeat the previous steps until the correct connection is found If the C7 Error message disappears you have found the correct sensor connection however the current sensor was not installed properly around the conductor or the sensor wires were extended a
31. nd not spliced together correctly Correct the sensor installation reconnect the black wire to the black terminal and the white wire to the white terminal on the plug and reinstall the plug into the correct phase terminal for that current sensor The error message should disappear and the current sensor is now installed properly If the C7 Error message does not disappear at any time while trying all 3 inputs both ways check the AC voltage input from the current sensor between the black and white wires using an AC voltmeter It will read approximately zero volts indicating that the load current is very small or zero or the current sensors are not secured properly tight connection between core halves or lead splices not secure Once the first current sensor is connected properly and the error message disappears repeat the previous procedure for the remaining two current sensors When all error messages have disappeared and all sensors are installed correctly the meter is operational 19 62 0399 01 H SERIES CLASS 500 METER 6 7 RS 485 Wiring RS 485 communication allows a computer to communicate with one or more Class 500 meters You can connect as many as 52 meters along a 4000 foot RS 485 cable run The meters are networked in a daisy chain configuration with BELDEN 1120A cable or an equivalent There are four communication protocols available through the Class 500 RS 485 connection They are EZ7 Modbus RTU BACnet MS TP and Lonwor
32. nt for adding option cards Header J3 is 20 positions for use with an I O board with up to two relays two pulse inputs and two pulse out puts TB1 POSITIONS Bs SET EE now FET xm XD AB Ext POSITIONS TB42 ae PHASE LOSS 6 10 M33271 Fig 2 Main Power Board Connections 2 2 Display Board The display board connects to the main power board via a flex ribbon cable and the board mounts on the inside of the housing door No additional connections to the display board are required The display board s LCD readout indicates the metered values as well as errors associated with the Class 500 meter such as phase loss or sensor error conditions 5 62 0399 01 H SERIES CLASS 500 METER 2 3 Input Board The Class 500 meter is supplied with an input board which allows it to accept pulses dry contact from third party meters such as gas water BTU etc This 3rd party meter information that comes in through the pulse input can be communicated via the communication protocols Modbus points 42 and 43 BACnet etc Only one input is available with EZ7 PROTOCOL wo uss b 00000000 INP1 INP2 OUT1 OUT2 INPUT TERMINALS CL500 METER INPUT BOARD M33272 Fig 3 Input Board The input terminals are used by the Class 500 meter The output terminals are not Connect metering devices with dry contacts only If the contacts are from solid state electronic sources polarity must be observed for proper operation 62 0399 01 6
33. o 9VDC for powering the RS 232 key Connection Steps 1 Connect the 8 conductor cable to the left side jack labeled RS232 on the rear panel of the RS 232 key 2 Connect the appropriate COM port adapter DB 9 to the serial port on the back of the computer Plug the 8 conductor cable from the RS 232 key into the COM port adapter 62 0399 01 22 H SERIES CLASS 500 METER 3 Connect the provided AC adapter into the rear panel input on the RS 232 key Plug the adapter into a 120VAC outlet On the front panel of the RS 232 key two LEDs POWER ON and AC ON will light up NOTE When the E Mon Energy software is accessed on the computer a third LED RS232 READY will turn on This indicator will light up as soon as the E Mon Energy software is booted up and the correct COM port is set up via the settings provided in the software s Locations menu 6 8 3 Connecting Class 500 Meters to the RS 232 Key using RS 485 On the rear panel of the RS 232 key there are three jacks labeled as channels A B and C These are RS 485 serial communications ports used to connect the meters Each of these channels can be connected to as many as 52 individual meters over a total cable distance of 4 000 feet The channels are independent and must not be connected to each other Modular Plug Method This simple method requires using 4 stranded conductors inside a cable that is fitted with an RJ 11 type plug for 4 conductor modular systems at eac
34. odem or fax machine 62 0399 01 24 H SERIES CLASS 500 METER 6 8 5 Baud Rate Selection The communication baud rate is selected by means of a jumper on the circuit board Baud Rate is applicable for MODBUS RTU BACNET MS TP and EZ 7 PROTOCOLS and Lon doesn t require a Baud Rate Factory default is 9600 for Modbus RUT and EZ 7 and 38400 for BACnet MS TP It is recommended that BACnet MS TP baud rate is not adjusted in the field Maximum baud rate is 19200 for EZ 7 and 38400 for Modbus RTU and BACnet MS TP Minimum baud rate is 9600 for all of them oochRo Na Select 9600 when using the Class 500 meter with a modem or with EZ 7 meters The baud rate on the meter must always match the baud rate selected in the E Mon Energy software otherwise communications will not work After a baud rate change press CPU Reset to register the change All meters in the daisy chain circuit must be set at the same baud rate The DIP switch is located above the RS 485 terminals Using other than 9600 BAUD will reduce the maximum cable length allowed for communication NOTE USE ONLY POSITIONS 3 AND 4 DO NOT CHANGE ANY OTHER POINTS The selections are noted below Fig 11 Baud Rate Selection ON ON Baud rate 9600 EZ 7 modbus RTU BACnet MS TP OFF ON 19200 EZ 7 modbus RTU BACnet MS TP ON OFF OFF OFF 38400 Modbus RTU BACnet MS TP N A 25 62 0399 01 H SERIES CLASS 500 METER
35. r right corner D External Switch Mechanism In Line Fuse Installation E To ensure a safe installation the Class 500 meter requires an external switch mechanism such as a circuit breaker be installed on the Class 500 MAINS input wiring The switch mechanism must be installed in close proximity to the meter and easily reachable for the operator This device must also be marked as the discon necting device for the Class 500 meter Install 1 10 Amp Slow Activation in line fuses with the suitable voltage rating for each conductor phase at the MAINS input to the meter The fuses must be labeled to indicate voltage and current rating as well as element characteristics The fuse element must be slow activating type F Connect the three AC main power wires Phases A B and C to their respective positions as labeled on terminal block TB1 and tighten to 7 in Ib After all conduc tors are connected to each of their respective terminal block positions and tightened down verify that each terminal block screw is securely fastened by gently tugging on each conductor Verify that no conductor wires are frayed or shorting to adjacent terminal block positions G Turn ON the AC main power input The meter display will light up and scroll through 6 displays Each display is visible for 5 seconds Display screens are as follows Screen 1 Total kilowatt hours kWh consumed Screen 2 Peak demand kW with date amp time stamp Screen 3 Actual load
36. sonnel should perform installation wiring Installation wiring must comply with all local and national electrical codes WARNING Failure to ground the enclosure creates a possible shock hazard Do not operate the Class 500 meter without a protective earth wire attached securely to the PE terminal screw After installing protective earth wiring secure the screw tightly 7in Ib torque WARNING NEVER open front panel of unit while unit has MAINS power applied Failure to comply can increase the risk of serious injury and or electrical shock 11 62 0399 01 H SERIES CLASS 500 METER 6 0 METER INSTALLATION 6 1 Mounting the Class 500 Meter Use appropriately sized mounting hardware to fasten the meter enclosure to the selected mounting surface The four housing mounting holes are centered 6 75 H x 4 W NOTE Units housed in UL Type 1 enclosures must only be installed in indoor envi ronments where they will not be affected by the elements 6 2 Main Power Board Connections 1 Installing a temporary ground for ESD protection With all circuits de energized connect a temporary protective earth ground connection for ESD protection Prior to performing any unit wiring be sure to discharge any static on your per son 2 Installing the Class 500 protective earth ground Connect an earth ground wire to the Class 500 protective earth ground lug with a torque of 17 N m for meters in metal enclosures WARNING Warning Fa
37. t sensor leads A These wires are normally 14 22 AWG twisted pair arrangement Consult your electrical code for proper wiring requirements Q The load I need to monitor has parallel feeds How do I install the current sensors for this application A There are two ways you can monitor parallel feeds The easiest and preferred method is to clamp the sensors around all feed wires for each phase The second way to monitor parallel feeds is to clamp the sensor around one of the feed wires for each phase When you read the Class 500 meter the final reading must be multiplied by the number of feed wires for each phase Q I have two subpanels I would like to monitor with one Class 500 meter These subpanels are fed by different transformers in the building Can I parallel sensors and monitor both panels with one meter A No These panels cannot be monitored with one meter because they are different power sources When you parallel current sensors all loads being monitored must be from the same voltage source Q I have 5 breakers in one subpanel I would like to monitor with one Class 500 meter Can this be done without having to parallel current sensors A Yes Simply run all the breaker wires through one set of current sensors Make sure all A phase circuits are run through the A phase sensor and the same for B amp C phases The meter should be sized by the highest amount of current being monitored by one sensor 62 0399 01 36 H S
38. t such as conduit or a metal enclosure exterior 62 0399 01 30 H SERIES CLASS 500 METER The battery cell is mounted in a coin cell on the upper right side of the main power board Replace the battery if the low battery warning is on display n BATTERY Fig 16 Lithium Battery Cell Use the following procedure to replace the battery cell STEP 1 Disconnect power from the meter at the unit external circuit breaker STEP 2 Remove the battery from its holder and place on a non conductive surface STEP 3 Install new battery into the battery holder NOTE Care should be taken to insure that the replacement battery is installed the same polarity as the battery that was removed No damage to unit or battery will occur if battery is inadvertently installed in the wrong direction STEP 4 Dispose of the used battery in accordance with the manufacturers Panasonic instructions 31 62 0399 01 H SERIES CLASS 500 METER 10 0 CLASS 500 METER FEATURES 10 1 Display Board Push Buttons DOWN UP SELECT MENU M33279 Fig 17 Push Buttons The display board has four push button switches DOWN UP SELECT MENU that can be used to configure the following Date amp Time Device ID IP Settings Reset KW KWH Read 62 0399 01 32 H SERIES CLASS 500 METER 10 1 Display Board Push Buttons Continued To access any of these items press the MENU button To scroll down the list press the MENU button until the desired item
39. th Date amp Time Stamp Screen 3 Actual Load kW with present time Screen 4 Average Current amps Per Phase Screen 5 Average Voltage volts Per Phase Screen 6 Average Voltage volts Phase to Phase Screen 7 Power Factor pf Per Phase 35 62 0399 01 H SERIES CLASS 500 METER 11 0 FREQUENTLY ASKED QUESTIONS Q When providing line voltage to the meter can I tap off of the same breaker I am monitoring A Yes the voltage can be pulled from the same breaker being monitored Q Can the meter s line voltage wires be run in the same conduit as the sensor leads A Yes There will be no effect if the sensor leads and line voltage wires are run in the same conduit Q Can the meter s communication wires and line voltage be run in the same conduit A It is not recommended to run these wires together due to noise concerns and their effects on the communications signal integrity Communications wires can be routed separately using a 1 2 conduit port Q How do I find the cost for kWh and kW to bill my tenants A Your local utility bill should list the cost per kWh and kW If not simply call your utility and ask them to provide you with the cost per kWh and kW Q What size wire do I use for the line voltage leads A These wires are normally sized at 14 AWG but be sure to confirm this requirement with your local and national electrical code requirements Q What size wire should use to extend the curren
40. uire one two piece current sensor assembly Open the two piece current sensor assembly by releasing the nylon clamp using a fl at head screwdriver Fig 5 Split core current sensor 2 Reassemble the current sensor assembly around the conductor s to be moni tored Ensure the current sensor halves marked Load are both facing the load side of the conductor The colored arrow will be on the source side of the con ductor being monitored and MUST be pointed in a clockwise direction around the conductor being monitored Tighten the nylon clamp to complete the assem bly SOURCE M33213 Fig 6 Install On a Split Core Sensor 15 62 0399 01 H SERIES CLASS 500 METER IMPORTANT When looking from the source side of the conductor s being monitored you should see the arrow on the current sensor assembly The arrow should be pointing in a clockwise direction around the conductor s being monitored If the arrow is not positioned on the source side inaccurate readings will result 6 4 2 Current Sensor Wiring Once the current sensors are installed onto their appropriate phase conductors you can begin terminating the current sensors onto the Class 500 main board The current sensors can be extended up to 500 feet for remote monitoring applications To extend the length of the wires use 22 AWG twisted pair wire with one white and one black wire The easiest way to connect the current sensors is to use the meter s built in current
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