How the vsr works once the starting batterys voltage rises to above 37 vdc the vsr switches to charge both batteries in parallel when the voltage drops below 28 v dc the vsr disengages. Dual battery isolator kit 12 volt 140 amp voltage sensitive relay automatic charger duration.
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Narva vsr wiring diagram. Narvas plug and play waterproof connection system utilises over moulded connectors that quickly join the lamps and trailer plug to the main wiring harness. Gwa auto parts 2828 views. No splicing or joining of wires is required making connections a tool free operation. Narvas voltage sensitive relay vsrs are suitable for a wide variety of dc applications. When the charge voltage reaches 133 volts the voltage sensitive relay vsr engages allowing both starting and auxiliary batteries to be charged. This article will be talking narva 7 pin trailer wiring diagram.
Trailer plug wiring diagrams use the correct size cable for the plugsocket most standard plugs will accept up to a 4mm auto cable easily. A buzzer like sound can be heard as the relay quickly switches in and out. Cut attach the insulated ring terminal to the black wire on the vsr. This video shows what a voltage sensitive relay or vsr is and how to install one in a dual battery setup to make sure both batteries get charged but only one can go flat. Through innovation and market development narva is the leader in automotive lighting and electrical equipment. Having looked at several wiring diagrams for a cross section of.
Dual battery system isolator voltage sensitive relay. Terminal of the starting battery be careful to keep the wiring away from any moving parts. This car is designed not just to travel one location to another but also to carry heavy loads. Narva 7 pin trailer wiring diagram narva 7 pin flat trailer plug wiring diagram narva 7 pin trailer wiring diagram folks comprehend that trailer is a car comprised of rather complicated mechanisms. Narva bl voltage sensitive relay 12v vsr isolator a dual battery system. Automatically connectsdisconnects the appliance or circuit based on the input voltage.
The 12 pin flat plug have a second row of 5 larger points which will accept up to 6mm auto cable. Our range include the latest in led driving lights globes and accessories for 4x4 emergency trucks trailers and rv. When the engine is stopped and the battery voltage falls below 128 volts the vsr disengages separating the start and auxiliary batteries. Free fast secure shipping authorised. The vsr will not work properly.
















