Huber Pilot ONE Unistat T3*0, Operation Manual

Page: 89 / 100

Service/maintenance
Chapter 7 OPERATION MANUAL
V2.4.0en/22.07.20//17.12
Unistat® T300 Series
89

Remove the ventilation grille to create unhindered access to the liquefier fins.

Clean the liquefier fins using suitable cleaning appliances. Observe the local regulations and
ambient conditions when selecting cleaning appliances.

Make sure the liquefier fins are not damaged or deformed as this will impair the air flow.

Re-mount the ventilation grille after cleaning work.

Connect the temperature control unit to the power supply.

Turn on the temperature control unit.
PROCEDURE
Ventilation grille on the underside (table-top units)
Cleaning of liquefier fins at the underside when the temperature control unit is filled
DAMAGE CAUSED BY THERMAL FLUID PENETRATING THE TEMPERATURE CONTROL UNIT

Empty the temperature control unit before cleaning the liquefier fins at the underside of the
temperature control unit.

Turn off the temperature control unit.

Disconnect the temperature control unit from the power supply.

Drain the thermofluid from the temperature control unit. Additional information is provided on
page 70 in the section
»Draining externally closed applications«
or on page 73 in the section
»Draining externally open applications«
.

Tilt the temperature control unit to remove the grille (if available) in front of the liquefier fins.

Clean the liquefier fins using suitable cleaning appliances. Observe the local regulations and
ambient conditions when selecting cleaning appliances.

Make sure the liquefier fins are not damaged or deformed as this will impair the air flow.

Re-mount the ventilation grille after cleaning work.

Connect the temperature control unit to the power supply.

Refill the temperature control unit with thermofluid. Additional information is provided on page
67 in the section
»Filling and venting externally closed application«
or on page 71 in the section
»Filling and venting externally open application«
.
7.3.4 Clean hat-type strainer (dirt trap) (water-cooled temperature control unit)
Building’s shut-off valves are not closed
DAMAGE BY ROOM FLOODING

Close the building’s isolating valves in the cooling water supply and return lines.

Place the collecting container below the >Cooling water inlet< [13].
The strainer at the cooling water inlet must be inspected and cleaned on a regular basis, depend-
ing on water quality.
PROCEDURE
Table-top models:

Turn off the temperature control unit.

Disconnect the temperature control unit from the power supply.

Close the customer’s shut-off valves in the cooling water supply and return lines.

Place a collecting container below the >Cooling water inlet< [13].

Remove the cooling water supply line and take out the hat-type strainer for inspection and cleaning.

Clean the suction strainer under running water.

Following inspection/cleaning, reinsert the hat-type strainer and fasten the cooling water supply line.

Remove the collecting container from below the >Cooling water inlet< [13].

Open the customer’s shut-off valves in the cooling water supply and return lines.

Connect the temperature control unit to the power supply.

Turn on the temperature control unit.