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RT-SVX20A-E4
Controls
Remote potentiometer
To install the remote potentiometer,
cut the jumper WL on the
economizer ECA board, and connect
the wires to J11 and J12.
Figure 21 - Remote potentiometer dimensions
Figure 22 - Remote potentiometer wiring
1 = Remote potentiometer
2 = ECA Board
WH = White wire
RD = Red Wire
BU = Blue wire
_____ Factory wiring
------- Field wiring
Note: This potentiometer allows to
adjust the permanent fresh air
intake from 0 to 50%.
0 W corresponds to closed fresh air
damper.
270 W corresponds to 50% open
fresh air damper.
39
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