Newbie With An Fridge Question

Discussion in 'New T6 Forum Members Area' started by Jamie Gates, 16 Sep 2018.

  1. Jamie Gates

    Jamie Gates New Member

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    Hi All

    I recently bought a 2016 T6 that has been converted by Teahpoo. Will get some pics up shortly.
    The power management unit is a PMS3H and i have a RM123 fridge.
    I can operate this on gas but as yet have been unsuccessful running it on 240volts or 12v DC. My assumption is that this is a pretty standard setup so i am hoping that the hive mind could tell me which which positions i need the switches on the PMS3H to operate when on EHU and when driving.
    Thanks all
     
  2. Spaghettiboy78

    Spaghettiboy78 Mr Spaghetti VIP Member T6 Pro

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    Hi, I have a PMS3 and the converter said to leave it on ‘van’ when driving, which in mine is the leisure battery. I initially switched mine to the ‘off’ position when driving, which is what the printed instructions suggested. That means that you couldn’t use the USBs or lights in the back when driving.

    The EHU should mean that the charger can be switched on. If the charger is on, and the neon is lit, it will charge whichever battery is active. If the ‘van’ battery is switched on, it’ll charge the leisure battery. If ‘car’ is selected, it will charge the starter battery (both assume yours is wired the same as mine). In the centre position, it will charge neither, but run the 12v side straight from the EHU.

    I had a split charge relay initially, which means that the electrics and leisure battery see the voltage peaks and troughs of the smart alternator (not good). Since fitting the CTEK 250SA I leave it on ‘van’ when driving so the kids can use the lights and stuff in the back, as the charger smooths out the voltage nicely.

    I also printed out new labels for the PMS3 and labelled them ‘starter’ and ‘leisure’.

    I can send over a PDF of the instructions for the PMS3 if you need them?
     
    Last edited: 16 Sep 2018
  3. Spaghettiboy78

    Spaghettiboy78 Mr Spaghetti VIP Member T6 Pro

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  4. Jamie Gates

    Jamie Gates New Member

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    Thanks for the reply

    I'm fairly comfortable with the pms3H tbh. I got to grips with that by trial an error.
    Van is leisure battery
    Car is main battery
    off is off
    Charging both the car and van batteries happens when driving.
    Charging the van battery with EHU. Turn on charger supply and select van.
    It's the fridge that has stumped me. Just can't seem to find the correct switches to operate on 240v and 12v. Instruction say i should isolate 12v and gas to run on 240v, so i'm assuming i turn off the gas supply (including gas temperature knob) and leave the charger supply turned off? Then turn the internal temperature control knob to any setting.
    For 12v use, should i switch anything on the PMS3H when driving?
    Thanks
     
  5. Spaghettiboy78

    Spaghettiboy78 Mr Spaghetti VIP Member T6 Pro

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    Not sure how yours is wired, but my PMS3 allows the fridge output on 12v to be active regardless of the position of the 12v switch. It just isolates the other circuits in the ‘off’ position.

    My fridge is 12v only (Webasto) so can’t help you on the gas or 240v I’m afraid. The fridge will effectively run from 240v on EHU as the PMS3 steps it down the charge the battery as it’s used to power the fridge.
     
  6. Jamie Gates

    Jamie Gates New Member

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    Ok thanks anyway. Have emailed Teahpoo for some help. Fingers crossed
     
    Spaghettiboy78 likes this.
  7. Spaghettiboy78

    Spaghettiboy78 Mr Spaghetti VIP Member T6 Pro

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    Good luck!
     

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