Installation / Wiring
The controller is shipped from the
factory preset for either 120VAC or
240VAC operation with cables for
power, RO pump motor and inlet
solenoid installed. If the unit is
equipped with flush, a flush solenoid
cable is also installed. For units
shipped as 120VAC, 1 fuse for the
electronics is installed in position F1.
Jumper J10 is installed to bypass
fuse F2. For 240VAC operation, L1 is
the hot leg and L2 is neutral. For
240VAC operation, both L1 and L2
are hot legs.
Power/Output Wiring:
Verify that the controller is jumpered
correctly for the operating voltage.
The voltage jumpers are located in
the lower left corner of the board.
For 240VAC operation, 1 jumper is
installed between J5 and J6. For
120VAC operation, 1jumper is
installed between J4 and J6. For
120VAC operation, 1 jumper is
installed between J4 and J6 and a
second jumper is installed between
J3 and J5. NOTE: The pump and
solenoid outputs will be the same
voltage as the controller. Connect
the pump and solenoid cables to the
end devices.
Input Wiring:
Connect the low pressure, pretreat
and level switches to the
corresponding terminals of P2. The
unit is configured for normally
closed inputs. All inputs must be
closed for the controller to run. If any
input is unused, a jumper wire must
be installed for that input before the
unit will run.
NOTE: If only 1 tank level switch is
used, it must be connected to the
Tank Full High input, and the Tank
Full Low input MUST be jumpered.
CAUTION: These inputs are for dry
contact switches only. Applying
voltage to these inputs will damage
the controller.
EPRO 150-8000 O&M MANUAL Rev.04/03 Page 45 of 55
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