Techne TU-20D - Manual (Page 21)

8 If you do not want to use a bridge piece to secure the unit to a bath then you must use a clamp. The
clamp bracket fits between the pump legs in the slot provided. Slide the bracket into the slot and use
the two screws in the clamp kit to secure the clamp to the unit.
9 If the pump has been set correctly for external circulation, suitable hoses should be fitted to the outlet
and return pipes. A suitable hose must be capable of withstanding both the temperature of operation
and the liquid being used. Always securely clip the hoses in place.
Hose material Allowable temperature range Comments
PVC 10°C to 60°C (50°F to 140°F) For water only
Silicone -40°C to 200°C (-40°F to 362°F) NOT for silicone oil
Viton -20°C to 250°C (-4°F to 482°F)
10 A cooling coil will give control for temperatures between 5°C above ambient and 5°C above the
temperature of the water supply. See the list of accessories as the cooling coil is an accessory on the
TE-10A, TE-10D and the TU-20D.
The cooling coil is fitted to the thermoregulator just below the over-temperature cut-out reset
button. You will find a rubber moulding screwed to the base and filling two slots. Remove the screw
21
Slots for Cooling Coil
Slot for clamp
Clamp