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Replacement heating timer issue

Gaspode · 2021-10-09 16:22:41

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…

09-10-2021 05:22PM

#1

Gaspode

Registered Users, Registered Users 2 Posts: 8,058 ✭✭✭

Join Date: November 2004

Posts: 7329

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?

Post edited by Wearb on October 2021

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Comments

#2 09-10-2021 06:00PM

Wearb

Moderators, Home & Garden Moderators Posts: 6,538 Mod ✭✭✭✭

Join Date: November 2010

Posts: 6182

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 October 2021

0