Monday, March 18, 2013

Opening up the Tyco Kilovac EV200AAANA Economizer box

Saturday morning I decided to open up the Economizer box attached to the Tyco Kilovac EV200AAANA to see what this PWM circuit is made of; So I started by unscrewing the voltmeter and then the contactor
from the control board after taking the battery cables off its terminals

After that it was easy to remove this side box/cover


and here is the Tyco Economizer: it is actuelly a small PCB with 3307 reference number printed on it: KILOVAC 3-70-3209

and there are quite a few components soldered onto it !

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