ETC Installation Guide
SmartSwitch to Echo Relay Panel Feedthrough Retrofit Kit
SmartSwitch to Echo Relay Panel Feedthrough Retrofit Kit
Page 8 of 14
ETC
New pair of blue
and white wires to
power supply
Control power
termination
block
Existing blue and white wires to
lower termination block (48-
circuit panel only)
Blue and white panel power
wires are routed from the upper
termination block, behind the
circuit board, and down to the
lower termination block (48-
circuit panel only).
Existing blue and white
wires (to transformer)
Upper termination block and
control card connections