Hi friend of mine has just bought a camper van which is fitted with a power management system pms3. The wiring diagram shown in the boxed instructions is relevant for a 3 way fridge only and shouldnt be followed if you plan to install a 12v compressor fridge.
Rv Battery Switch Wiring Diagram Wiring Diagram
Pms3 wiring diagram. Pms3 fitting and installing with wiring system pms4 ditto ditto no wiring but i feel it is also the same just the charging limit 12a on pms3 and 18a on. These looms do not overrule or negate these warnings in any way. My pms3 has finally arrived but the instructions are not clear as to how to wire it to charge the battery in fact it doesnt say anything except reference to mcb3 fridgecharger. 6 12v compressor fridge connections. The bonus pms3 is specifically designed for conversions where the user is looking for a simple system to perform basic tasks whilst charging your leisure battery and fuse protecting your 12v appliances such as powering your campervans fridge and lighting. The pms3 comes with wiring instructions and a comprehensive wiring diagram.
The pms3 is designed to be recessed into a wall preferably at eye level and in a readily accessible position. From here we have supplied all of the 12v wiring looms to get your campervan up and running each loom is colour coded as. If you do follow the wiring diagram that comes with the pms3 you will find the fridge will only work when the engine is running. Wiring diagrams always seem to be a problem especially as is wiring from the base vehicle from the converter and then the various do it yourself with whatever wire they have owners. We recommend you read and understand the instructions prior to fittinghowever when fitting into a campervan and connecting the pms3 to a 12v compressor fridge you may find our how to guide helpful. Check in line battery fuse has not blown.
The garage he bought it from did not have any documentation with the camper about this unit. A combined 240vac and 12v dc distribution unit the sargent pms3 ec160 power supply unit is especially designed for caravan motorhome camper van and horsebox installations and is particularly ideal for t2 t25 t4 and t5 campers. Sargent pms3 ec160 power supply unit. I bought this unit because it said great for novice builder lol. Place the charger supply switch to the on position. Particular attention should be made to ventilation ensuring that some form of air flow is available at the rear of the unit refer to installation diagram fig 1 1 first mark the required cut out onto the surface to be removed.
Click here for tips on installing your pms3 unit. Does anyone have a wiring diagram handbook for this unit they could scan and e mail to me or a link. A wiring diagram would be nice lol. Wiring into your pms3 unit the first and foremost thing to consider when wiring in the pms3 unit. The pms3 power management system is a volt ac mains and 12 the unit can now be electrically connected using the wiring diagram see fig 2. Can i pick your brains.
Bonus electrical pms 3h horizontal control panel. Is to heed all safety advice that comes with your pms3 unit. Any advice anybody can offer will be gracefully received.