Huber Pilot ONE Unistat T3*0, Operation Manual

Page: 35 / 100

Commissioning
Chapter 2 OPERATION MANUAL
V2.4.0en/22.07.20//17.12
Unistat® T300 Series
35
2.11 Connecting an externally closed/open application
The illustration “connection diagram” can be found on page 99 in section »Annex« .
2.11.1 Connecting an externally closed application
Operating an externally closed application with locked >Expansion vessel< [18]
BURSTING DUE TO OVERPRESSURE DURING TEMPERATURE CONTROL.

Shut down the temperature control unit immediately.

Allow the thermal fluid to cool to room temperature.

Prior to commissioning the temperature control unit with an externally closed application,
unlock the >Expansion vessel< [18] (see page 33 in section »Locking/unlocking the expansion
vessel [18]« ).
Overpressure in the application (e.g. > 0.5 bar (g) with glass apparatus)
MATERIAL DAMAGE TO THE APPLICATION

Provide an overpressure protective device to prevent damage to the application.

Do not install valves/quick-release couplings in the feed/discharge lines from the temperature
control unit to the application and from the application to the temperature control unit.

If valves/quick-release couplings are required:

Install burst disks on the application itself (at the feed and discharge lines).

Install a bypass upstream of the valves/quick-release couplings for the application.

Matching accessories (e.g. bypasses to reduce pressure) can be found in the Huber catalog.
To enable your application to be operated correctly and eliminate air bubbles from the system, you
must ensure that the
>Circulation flow<
[1] connection from the temperature control unit is at-
tached to the lower connection point of the application and the
>Circulation return<
[2] into the
temperature control unit is attached to the higher connection point of the application.
PROCEDURE

Remove the screw plugs from the >Circulation flow< [1] and >Circulation return< [2] connec-
tions.

Then connect your application to the temperature control unit using suitable thermal fluid hoses.
The corresponding wrench sizes can be found in the table on page 29 in section »Wrench sizes
and torques« .

Check the connections for leaks.
2.11.2 Connecting an externally open application (bath)
Operating an externally open application with unlocked >expansion vessel< [18]
BURNS/FROSTBITE DUE TO OVERFLOWING EXPANSION VESSEL

Prior to commissioning the temperature control unit with an externally open application, lock
the >Expansion vessel< [18] (see page 33 in section »Locking/unlocking the expansion vessel
[18]« ).
Example: Connecting
an externally closed
application
Example: Connecting
an externally open
application