Models ER-420-AC, ER-420-DC & ER-420-LP
Industrial Oval Gear Adapter Wiring
Figure 8: ER-420 Wiring
See "Transmitter Pulses Per Unit" on page 21.
Figure 9: ER-420 Transmitter Adapter Switch Positions
OTE:N The meter size selector switch must be set to correspond to the size of the meter to properly detect fluid flow.
Position 1 (top): 1/2", 3/4", 1"
Position 2 (center): 1-1/2"
Position 3 (bottom): 2", 3"
Page 32 March 2013