Physitemp Instruments BFS-30VT - Manual (Page 4)

Closed Loop Water System - PTU-3 Installation Instructions
The PTU-3 is supplied with an AC line cord for connection to
the auxiliary outlet on the controller and two 5-foot water
tubes with male and female connectors.
Unpack the pump and tank unit and unscrew the white cap
on top of the tank. Fill the tank to within 3 inches of the top
lip of the neck with distilled water (approx 5 gallons). Add the
sachet of purification agent to the tank. This prevents the
growth of algae inside the tubing and tank. If the tank is ever
emptied and refilled substitute a small quantity of any com-
mercially available dehumidifier treatment in liquid or tablet
form to treat the water.
Connect the AC line cord to the socket on the side of the
tank and to the auxiliary output socket on the rear panel of the controller. This ensures
that the pump is always turned on when the refrigeration module is operative.
Please Note: If the refrigeration module is in use for extended periods of time, the
water temperature will gradually increase. Ice cubes may be added to the tank to
reduce the water temperature.
The tank should be placed no lower than 40 inches below the refrigeration module.
Connect the male ends of the extension water tubes to the mating outlet and return on
top of the tank. Connect the female ends to the tubes from the refrigeration module.
Please note that these connectors are self-sealing to prevent water spills in the event
that they are disconnected while the pump is operating.
ECV-1 Installation instructions
Unpack the ECV-1 Electrically Operated Solenoid Valve. The package includes an AC
line cord and 12VDC desktop power supply. Connect the line cord to the socket on the
power supply and to the rear auxiliary outlet on the
Controller. Connect the power supply 12VDC output to the
input socket on the valve housing. Connect one of the male
fittings from the water tubes from the Refrigeration module
to the female fitting on the valve housing. Connect the
female end of the extension water tube with the universal
tubing adapter at one end to the male fitting on the valve
housing and the other end to your water source. Connect
the remaining water tube directly to the other male water fit-
ting from the refrigeration module and run the other end to
the sink or waste.
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