Instruction Manual Electrical Management System (EMS) EMS-LCHW30 & EMS-LCHW50 EMS-LCHW50 EMS-LCHW30 ! CAUTION These instructions are intended to provide assistance with the installation of this product, and are not a substitute for a more comprehensive understanding of electrical systems. We strongly recommend that a certified electrician perform the installation of this product. Improper installation may void warranty.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) Features • High/Low Voltage Protection: Whenever AC power lowers below 104 volts, or rises above 132 volts, the EMS automatically shuts down power to the RV. The EMS will monitor the power and once the AC power rises above 104 volts, or drops below the 132 volt level the time delay indicator flashes for the preset time and then automatically restores power to the RV.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) • Modular Design: Replacement parts are designed for simple plug-and-play making repairs extremely user friendly. • Microprocessor Controlled: The computer and remote display are driven by stateof-the-art microprocessors that are programmed with software to drive the entire EMS unit. Warnings • RV wiring is different than house wiring; in an RV, neutral and ground conductors are isolated whereas in a house they are bonded at the service panel.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) Installation Instructions Before Transfer Box Visual Photo Library - LCHW50C: page 9 | LCHW30C: page 10 Wiring Diagram - LCHW50C: page 11 | LCHW30C: page 11 For installation, in addition to the EMS Kit, you will need: • 6 mounting screws • In some cases you will need a jumper cable, length to be determined based on the placement of the EMS. • Always use #10 wire for the LCHW30C & #6 wire for the LCHW50C.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) 10) Secure cable ends by tightening down strain reliefs ove the input and output wires. Do not over tighten as this could bit through the insulation and cause a short. 11) Set time delay jumper on the circuit board. The factory setting is for 15 seconds. Remove jumper to set for 136 seconds (02:16). See Features Section on time delay to determine which to use. 12) Plug in remote display and cable.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) 8) Take the jumper cable and connect it to the input side by sliding through the wire restraint on the end of the EMS control box and then connect the black wire to L1; white to L2; red to L3, green to ground screw. See visual references on page 9. Torque down set screws and ground nut to secure connections. 9) The cable that came from the transfer box connects to the output side of the EMS control box in the same manner.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) 4) The digital display will give you a three digit number indicating your line voltage. Next, it will give you a “0A” reading indicating current (amps) Current (amps) will read zero until the time delay is complete (136 seconds or 15 seconds, depending on your settings). Then you will notice a number between 0 and 30. This number indicates how many amps the RV is drawing. Next, you will notice “60H”, indicating your line frequency.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) Troubleshooting Guide Common installation mistakes: 1) Check connections. Input is the plug side of the RV and black should be attached to L1, white to L2. Output (going to the RV) should match up. T1 is black, T2 white. The green ground get attached to the input and output on the side of the box. 2) Make sure the input wires are, in fact, the input wires. Connecting the output to the input of the EMS will cause the device to malfunction.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) Visual References Photo Library for the EMS-LCHW50 ProgressiveIndustries.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) Photo Library for the EMS-LCHW30 10 ProgressiveIndustries.
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) Wiring Diagram for EMS-LCHW50 Arrow Side of Sensor White Input Black Input L3 T3 L2 T2 Relay (Contactors) L1 T2 Red Output Coach Load Output Power Input Red Input Sensor White Output Black Output Sensor w/green tape Arrow Side of Sensor Input Ground Output Ground White Input L2 Relay T2 Coach Load Output Power Input Wiring Diagram for EMS-LCHW30 White Output (Contactors) Black Input L1 T2 Black Output Arrow Side of Sens
INSTRUCTION MANUAL: ELECTRICAL MANAGEMENT SYSTEM (EMS) Progressive Industries, Inc. For more information regarding the Limited Lifetime Warranty, Troubleshooting and the Warranty Claim Form visit: www.progressiveindustrustries.net Note: Lifetime warranty excludes All Weather Shield assembly. Technical Support • 919.267.6964 • Tech@progressiveindustrustries.net ProgressiveIndustries.
