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Replacement heating timer issue

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  • 09-10-2021 5:22pm
    #1
    Gaspode
    Moderators, Category Moderators, Music Moderators, Regional East Moderators, Regional Midlands Moderators, Regional Midwest Moderators, Regional Abroad Moderators, Regional North Mods, Regional West Moderators, Regional South East Moderators, Regional North East Moderators, Regional North West Moderators, Regional South Moderators Posts: 8,032 CMod ✭✭✭✭



    Hi all,

    My old heating timer, a mechanical TRAC10 is no longer working properly.

    I bought an EPH R17 timer hoping to do a straight swap out. I'm concerned that the pins and wiring though in my current setup dont match those in the new unit.

    N, L and E are fine, but in the current wiring pins 1 & 2 are empty and there are brown wires in pins 3 and 4 (Top picture).

    The EPH unit is empty at pin 3 (bottom picture).

    I'm reluctant now to just go straight on with the new unit in case I do it some damage.


    Any suggestions?


    20211009_094734.jpg
    New controller.jpg


    Post edited by Wearb on


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    #2
    Wearb
    Moderators, Home & Garden Moderators Posts: 6,289 Mod ✭✭✭✭Wearb


    Look like what's at 3 in Old one goes to 1 on new one. Rest the same. You could confirm this with a multimeter.

    Perhaps others will confirm this.

    MOD NOTE: MOVED FROM P&H

    Post edited by Wearb on

    Please follow site and charter rules. "Resistance is futile"



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