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Start Up &
Shut Down
Before starting unit make sure the flow control valve located behind the
access door on the front of the unit is closed to prevent excessive start-
up pressures. The valve handle should be in the upright position. After
the unit has started, open the valve until the desired flow and pressure
is observed on the front panel displays.
Before starting check all electrical connections and ensure the plumbing
connections are correctly made to the ten fittings on the rear of the unit.
Ensure that the DI flow control valve is the OPEN position.
Ensure cooling water is always available to the unit.
Turn the main breaker on and the amber POWER LED will light.
Turn the OFF/ON rotary selector switch to ON. The controller will initiate a
self-diagnostic with all segments of the display flashing and all LEDs sequen-
tially lighting. After the last LED lights, the controller should display INT T
XXXC (XXX is the temperature after the pump discharge). The LOCAL or
REMOTE LED illuminates to indicate the unit is in the ON mode. If an error
message appears and flashes see Error Messages on page 15.
The LOW FLOW LED will be lit. If more fluid is needed both the LEVEL
FAULT and ADD FLUID LEDs will flash. To turn the unit on press the ON/
OFF button on the controller membrane.
NOTE:
The unit will not start until the LEVEL FAULT and ADD FLUID condi-
tions are cleared and the ON/OFF button is depressed.
In LOCAL the unit will start immediately, if there are no faults. In REMOTE the
unit will only start when the appropriate interface connections are made.
Certain other fault error messages will also inhibit start up. They are: PHASE,
PUMP TRIP, PUMP OVERLOAD, PUMP CONTROL, RTD FAIL, and
OVERTEMP. A heater high temperature, indicated by the HIGH TEMP LED
illuminating, will also inhibit start up.
NOTE:
The unit may need additional fluid as the plumbing starts to fill.
To avoid premature depletion of DI cartridge resins, always run the unit
with the tank filler cap on and the bleed valve shut.
With the unit running use the operator's menu to view the fluid temperature,
change the setpoint (LOCAL mode only) and monitor flow. Scroll through the
operator's menu using the NEXT key.
Turn the unit off by depressing the ON/OFF controller membrane button.
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