50 Amp Smart Ems Intellitec-Books Pdf

50 AMP SMART EMS Intellitec
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50 AMP Smart Energy Management System Model 700 TM. INSTALLATION SERVICE MANUAL, PRODUCT DESCRIPTION, The 50 Amp Smart EMS Model 700 consists of two elements the Display Panel and the Distribution Panel The. Display Panel is mounted on a wall or suitable surface remotely from the Distribution Panel and convenient to the user. The Distribution Panel is a completely self contained 120 240 volt power distribution and energy management system. intended to be used in recreational vehicles The Distribution Panel is housed in a sheet metal enclosure with removable. front panel It provides circuit protection for all the 120 VAC loads in the RV and a system of energy management to. minimize the over loading and tripping of circuit breakers. Circuit Protection, The 50 Amp Smart EMSTM Model 700 Distribution Panel offers slots for eight single or dual standard 120 volt circuit. breakers Two of these breakers located in the two center stab positions must be 50 Amp units that act as a main input. protection for each of the lines supplying the remainder of the branch breakers up to 12. Energy Management, The 50 Amp Smart EMSTM Control Module 700 automatically senses the available power to the vehicle It determines. whether it is connected to a 120 VAC 30 Amp shore power source 240 VAC 50 Amp shore power source or generator. source Depending upon available power it controls the operation of 6 possible loads that may include the front and rear. air conditioner fan compressor using low voltage switching and other 120 Volt loads such as the refrigerator water. heater washer dryer or other large appliances These appliances may be any type load but are typically heavier loads. those whose use can be postponed until a time when current is available for their use. System Communications, The 50 Amp Smart EMS Control Module utilizes Intellitec s RV Multiplex PMC Programmable Multiplex Control. System as the communications link between the Display Panel and the Distribution Panel As an additional diagnostic. feature the system includes two Communication Status LED s on the Control Module In normal operation when the. Control Module is configured in the Stand Alone Mode or as the RV Multiplex system the green IPX OK LED should be. lit and the red IPX Fail LED should not be lit, Utilizing the RV Multiplex PMC system the Smart EMS System can.
1 Operate as a Stand Alone system, 2 Operate as a RV Multiplex System master in a RV Multiplex System allowing other devices such as. inverter converters input and output modules and switch panels to communicate with each other and the Smart. EMS System, 3 Operate as a PMC Transceiver with the addition of a PMC Central Processing Unit CPU. Circuit Protection, Circuit protection for ALL the 120 VAC loads is offered by standard reset able circuit breakers provided by the. installer There are eight positions available for circuit breakers The breakers located in the two center stab. positions must be 50 Amp breakers to act as the main breakers for the entire system These breakers back feed. power into the circuit breaker bus to feed power to the branch breakers The remaining six positions may be. occupied by single or dual units All the loads in the RV are fed from the branch breakers. Energy Management, NOTE Energy Management is only enabled if 240 VAC Service is not available When connected to 240 VAC. Service the Energy Management features of the unit are disabled and the unit switches all controlled loads ON. The main neutral line is routed through the magnetically coupled current sensor which measures the current flowing. through the neutral line This is the total amount being drawn by all the 120 volt appliances in the RV when the available. power service is 120 VAC When this current exceeds the shore service rating of 30 Amps 20 Amps if the threshold has. been set lower or the generator service rating and 240 VAC service is not available the 50 AMP SMART EMSTM will turn. off the controlled loads in an effort to bring the total current to the limit of the incoming service. 1485 Jacobs Rd, Intellitec Deland FL 32724, 386 738 7307.
www intellitec com 2 P N 53 00894 000 Rev J 072919. 50 AMP Smart Energy Management System Model 700 TM. INSTALLATION SERVICE MANUAL, Controlled Loads, The system offers control of up to six powered loads each one connected to one of the relay circuits of the 50 AMP Smart. EMS Model 700 system Four of these relays Relays 1 2 3 and 4 are 30 Amp relays with normally open contacts. used to interrupt the 120 volt power to the loads These circuits are intended to control 120 volt appliances such as. refrigerator water heater washer dryer coffee maker etc. For the 120 VAC switched loads power is routed from the individual branch circuit breakers to one of these 120 VAC. relays on the Control Module The controlled load is then fed from that relay The remainder of the relays Relay 5 and 6. are intended to switch low voltage loads Relays 5 and 6 are single pole double throw relays with all contacts available. These relays are intended to control air conditioners or other appliances equipped with low voltage controls or. thermostats The contacts of the relays are typically wired in series with the low voltage controls or thermostats of air. conditioners so the EMS turns off only the compressor or the compressor and fan These circuits could also control other. 120 volt appliances if an additional control relay is added externally. OPERATION IN VEHICLES USING AVAILABLE SERVICE, The EMS is turned on by the presence of 120VAC or 240VAC at the L1 or L2 inputs J6 pin 3 and 1 respectively This. feature is intended to prevent the EMS from drawing excessive current from the 12 VDC battery supply when not in. When 120 VAC or 240 VAC power is applied the system automatically powers up and determines the nature of the power. If the generator is running a 12 VDC signal will be present at J2 pin 2 on the Control Module. 240 VAC 50A Service, If 240 VAC exists between the L1 and L2 inputs the energy management feature is disabled and all control relay contacts. are closed energizing all of the controlled loads The Control Module sends a signal to the Display Module which causes. the load meter to go blank and all power status indicators to light If the generator is running the GEN SET service. indicator will light otherwise the 50A service indicator will light on the Display Module. 120 VAC Gen set Service, If the L1 and L2 inputs are at the same voltage 0 Volts between L1 and L2 and 120 VAC between either L1 or L2 and. Neutral and a 12VDC signal is present at J2 pin 2 the Control Module sends a signal to the Display Module causing the. load meter to display actual load current and the GEN SET service indicator to light If the Genset EMS feature is not. enabled default all loads will be turned on independent of the load rating of the generator and all power status indicators. will light If the Genset EMS featured is enabled installers option loads will turn on until the load rating of the generator is. reached and the status indicators for those loads will light. 120 VAC Shore Power, If 120 VAC is present at the L1 and L2 inputs and no 12 VDC signal is present at J2 pin 2 on the Control Module the EMS.
will assume that 120 VAC 30 Amp shore power is available and the energy management feature will be enabled If only. 20 Amp service is available the user must select the 20 AMP service mode by momentarily pressing the 20 30 Amp select. switch on the Control Panel, 1485 Jacobs Rd, Intellitec Deland FL 32724. 386 738 7307, www intellitec com 3 P N 53 00894 000 Rev J 072919. 50 AMP Smart Energy Management System Model 700 TM. INSTALLATION SERVICE MANUAL, Initially the control turns all loads on with a one second interval and the total current is monitored If the total current. should exceed the service limit the system will turn off the first load in the shedding table As it turns the loads off it. calculates the amount of current that was removed which is the value for that load This value is placed in memory If the. current remains above the service limit the system will turn off the next load in the shedding table Again it calculates the. amount of current that was removed and places the value for that load in memory The system continues to turn off loads. until the total current falls below the service limit or all of the six controlled loads have been shed Through this process. the system has learned the amount of current that each particular load draws This feature compensates for the. differences in current draw over a range of line voltage and ambient temperature by re learning the load each time it is. turned off or shed, The 50 Amp Smart EMSTM now waits until the total current is lower than the service limit and enough current is available. as compared with the amount in memory for the last load shed before it will turn that load back on This assures that. there is sufficient current to operate the load, NOTE There is a two minute minimum delay period after a load is shed before the load can be turned back on again to.
prevent air conditioners from turning on with a head of pressure During this delay period if there is enough current. available to energize the load the LED status indicator for that load will flash After the delay period expires the load will. be energized and the indicator will turn on, DISPLAY PANEL. The Display Panel can be mounted remotely and connects to the main unit with a light gauge three wire cable Six Power. Status LED s indicate power is applied to those loads These LED s are on when the power is applied If 120 VAC service. is available the Load Meter has a two digit display to indicate the amount of current actually being drawn by all the. appliances in the coach If 240 VAC service is available the two digit load meter goes blank. Four Service Type LED s indicate the source for 120 240 VAC power Three of these sources are automatically detected. and indicated by the EMS namely Gen Set service 50 Amp 240 VAC service and 30 Amp 120 VAC service. When 120 VAC shore power is first applied the system will always be in the 30. Amp mode The 30 20 Amp indicator LED will be on when the system is in the 30. Amp mode The 20 Amp service mode is not automatically detected the operator. must manually select the 20 Amp mode when 20 Amp service is available The. Service Select button allows the current threshold to be set to either 30 Amps or. 20 Amps to match the incoming service, If the pictured adaptor is used on the incoming service press the service select. button to select the 20 Amp mode Momentarily pressing this button again will. switch the system back to the 30Amp mode, 1485 Jacobs Rd. Intellitec Deland FL 32724, 386 738 7307, www intellitec com 4 P N 53 00894 000 Rev J 072919. 50 AMP Smart Energy Management System Model 700 TM. INSTALLATION SERVICE MANUAL, The Display Panel can also be used to display the value of current stored in memory for each of the six loads To.
display the values of current stored in memory for each of the six loads push and hold the Service Select button The. uppermost LED will illuminate and the stored value will appear on the Load Meter Pushing Service Select again will. cycle to the next load After the last stored value has been displayed or if the Service Select button has not been pressed. during a five second period the Load Meter will return to normal operation and display total current draw. INSTALLATION, The Control Module, The first step when installing an EMS is to determine which loads will be controlled and in what order they will be shed A. typical scheme would be to control the two air conditioners the water heater and the washer dryer With these loads the. first load to be shed should be the water heater as it s loss of operation would be the least noticed it would switch to. operate on gas if needed The next would be the bedroom air the third the washer dryer and finally the main air. Choosing this sequence would provide the least inconvenience to the occupants User discretionary loads such as. microwave ovens coffee pots hair dryers etc should never be considered as EMS controlled loads. The EMS Control Module has an eight position dip switch on the board to configure the features active in the system The. switches in positions 1 thru 3 determine the order of shedding of the loads See figure below The switch in position 4. determines if the Gen set EMS feature is enabled The switch in position 5 establishes the rating of the generator. Additional switches in positions 6 thru 8 are reserved for future control configurations. COMMUNICATIONS OK IND, COMMUNICATIONS FAILURE IND COMMUNICATION CONNECTOR. CONFIGURATION DIP SWITCH Factory Default All On TO DISPLAY PANEL and or PMC or. CURRENT TRANSDUCER INPUT RV PMC SYSTEM, POWER CONNECTOR. HI POT BYPASS JUMPER LOW VOLTAGE RELAY OUTPUTS, 50 AMP EMS CONTROL MODULE LOW VOLTAGE CONNECTION SIDE. 1485 Jacobs Rd, Intellitec Deland FL 32724, 386 738 7307.
www intellitec com 5 P N 53 00894 000 Rev J 072919. 50 AMP Smart Energy Management System Model 700 TM. INSTALLATION SERVICE MANUAL, These dip switches are all preset to ON at the factory Changing the setting of S1 1 S1 2 or S1 3 will alter the order of. shedding to suit the particular need of the installation The tables below will assist in determining the proper settings for S1. thru S3 Dip switch S4 determines if energy management is enabled when 120 VAC Gen Set service is available If S4 is. 50 AMP SERVICE by MADE IN THE U S A Intellitec 6 M A I N M A I N 1 1 4L54 R LISTED C US 50 Amp EMS Distribution Panel P N 00 00894 000 The 50 AMP SMART EMS Model is a centralized power switching fusing and distribution center Power from the 120 240 volt power source is fed into the box The potential of lethal electrical shock is

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