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Section 4: System Set-Up
Set-up of your RO system will be dependent upon the TDS of your feed water.
Make sure that you
specify the TDS of your feed water at the time the unit is ordered.
The system has been shipped
with a waste control orifice that will be intended for feed water of less than TDS of 1000.
This orifice has been selected to operate at the correct waste flow rate for your system without the
need for a waste throttling valve. For systems configured for <1000 TDS, the recovery rate will be a
maximum of 60%. For systems configured for >1000 -1500 TDS, the recovery rate will be a maximum
of 35%.
4.1. RO Controller Set-Up
1. System Controller Specifications
Inputs
Tank level switch
(1) Normally-Closed. RO runs on switch closure.
Inlet pressure switch
Normally-Open. Switch opens on low pressure.
Pretreat lockout switch
Normally-Open. Pretreat lockout active with switch closure.
NOTE: All switch inputs are dry contacts. Voltage applied to the
switch inputs will damage the controller
Controller Power
120/240 VAC, 60/50Hz (Range: 96-264 VAC)
The switching power supply automatically adjusts to supply voltage.
Voltage applied to the input is the same voltage the motor and
valves will operate on.
Relay Output Ratings
Feed Solenoid
12A. Output Voltage is the same as motor/supply voltage.
Flush Solenoid
12A. Output Voltage is the same as motor/supply voltage.
The solenoid relay ratings above reflect the capacity of the relays only.
The current capacity of reach circuit is 2A.
Motor
1.0 HP @ 120V,
2.0 HP @ 240V.
Circuit Protection
Controller Power Fuse
F1 5x20mm 1/4(0.25) Amp Little Fuse 0218.250MXP
Branch circuit protection, motor and valve protection must be provided
externally.
Other
Dimensions
7” tall, 5” wide, 2.375” deep. Nema 4X Polycarbonate Enclosure.
Weight
1.1 lb.
Environment
0-50
˚
C, 10-90%RH (non-condensing)
