Manual of instructions TT-181 16/33
For the cooling water connections it’s enough to use pressure- and temperature-resistant rubber
hoses. The tap water pressure has to be between 2,0 and 5,0 bar. We recommend to conduct the
water from the unit (cooling water outlet) to an unpressurized outlet.
To ensure the operational safety is essential to use pressure- and
temperature-resistant hoses. Pressure-resistant up to 20 bar /
temperature-resistant up to +200°C.
For reason of safety, the cooling must always be connected!
Process water filter on the return line reduces contamination in the unit,
which can cause a unit failure (pollution of the solenoid valve).
Mark and take down the maximum temperature for which the connections
are suitable!
5.3. Power supply
Compare supply voltage and frequency with the information on the serial plate. Verify the rating of the
preliminary fuse according to the information in the electrical diagram. Observe local laws during
set-up!
The unit may only be connected by a competent electrician.
Ensure easy access to means for cutting the power supply (mains adapter or
mains connection), the access must be positioned in a distance of 0.6 and
1.9m above the access level.
Do not connect the power supply until the heating medium hoses are
connected!
5.4. Initial operation - Filling (Water operation)
The temperature control unit has to be connected hydraulically and electrically. Possible block valve
must be open.
• Switch on the unit electrically: Turn on the main switch and press the unit ON/OFF-switch
• After switching on the unit the pump starts and fills the system with water, as well as automatically
ventilating the machine. In the meantime the yellow lamp lights and the horn sound. The unit can
stop and start until the system is completely filled. If only the yellow lamp is lit, the unit is running
and no horn sounds, the automatic refilling is running.
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