Pacific Research Solutions TDS - Manual (Page 4)

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Motor Relay: The motor relay has a 10 amp resistive load (Normally Open) contact but should not be used
to directly operate motors larger than 1/8 HP. For larger motors, use this relay to operate the coil of an
external motor contactor. The motor contactor should be sized according to the size of the motor you plan
to use. You may use this contact for voltages up to 125 volts AC.
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Inlet Solenoid: The inlet relay has a 10 amp resistive load (Normally Open) contact that can be used to
operate a solenoid no greater than 50 watts. You may use this contact for voltages up to 125 volts AC.
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Flush Solenoid: The flush relay has a 10 amp resistive load (Normally Open) contact that can be used to
operate a solenoid no greater than 50 watts. You may use this contact for voltages up to 125 volts AC.
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Product Level Switch: The product level switch input is designed to connect to a float or pressure switch
that closes when the product is low and the RO needs to be activated. The switch contact for this input
should be a low voltage and low current type. This input uses 12 volts DC at 4mA to sense the switch
closure. Do not supply any type of voltage to this input or permanent damage will occur.
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Low Supply Level Switch: The low supply level switch input is designed to connect to a float or pressure
switch that closes when there is an adequate supply level or pressure to operate the RO. The switch contact
for this input should be a low voltage and low current type. This input uses 12 volts DC at 4mA to sense the
switch closure. Do not supply any type of voltage to this input or permanent damage will occur.
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SETUP MENU OVERVIEW:
The setup menu is where you make changes to tailor the controller to your application. These changes include
RO setup, alarm setpoints, relay configuration, unit operation and calibration. There are 23 items that are user
adjustable in the setup mode. To enter the system setup mode, you press the “System Setup” button. This mode
can be entered at any time. Each time you press this button again, you advance to the next setup item. The
monitor will indicate that it is in the setup mode by lighting the “System Setup” indicator. You can exit the setup
mode at any time by either pressing the “Display Mode” button or pressing the setup mode button until after the
last menu is exposed.
Once you are in the system setup mode, each menu item is identified by an Icon. The display will than flash
between the icon and the value for that setting. To change a setting, use the “^“ to increase a value and the “v“
to reduce a value. When you are done, press the “System Setup” to save the value and advance to the next
menu. If you have made an error, you can press the “Display Menu” button to exit the setup mode and you will
not save the current value. The following is a description of each of the setup menu items.
SETUP MENU:
The system has 23 menu items. Their order, icons and descriptions are as follows.
1 run Manual Run or Operate
You can use this menu item to force the RO Controller to manually operate regardless of the condition of
the product level switch. Each time you enter a value, that value is used to run the RO. If the RO is
currently running under manual operation and you want to stop its operation, select this menu, adjust the
value up and back down to zero and then advance to the next menu. The new value of zero will be saved
and the manual operation will be canceled. Be careful not to set a manual run time that will cause an
overflow of the product water.