Huber MPC Minichiller 280, Manual

Page: 50 / 60

Service/maintenance
OPERATION MANUAL Chapter 7
Minichiller®
V2.4.0en/09.08.21//1.30
50
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.
PROCEDURE
Free-standing models:

Switch off the temperature control unit.

Disconnect the temperature control unit from the power supply.

Close the customer’s isolating valves in the cooling water supply and return lines.

Remove the paneling around the cooling water supply [13], [14] and [15] (if present).

Place a collecting container below the
>Cooling water inlet<
[13] and another collecting contain-
er below the
>Cooling water drain<
[15] (if present).

Open the ball valve of the
>Cooling water drain<
[15] (if present). If the temperature control unit
is not equipped with a
>Cooling water drain<
[15]: Open the
>Cooling water outlet<
[13]. The
cooling water will begin to drain out. Allow the cooling water to fully drain.

Disconnect the
>Cooling water inlet<
[13] from the building’s cooling water supply. Located
immediately behind the
>Cooling water inlet<
[13] is the dirt trap.

Carefully detach the cover (hexagonal).

Remove the metal strainer located below.

Clean the metal strainer under running water.

Re-insert the metal strainer after cleaning work.

Carefully fasten the cover (hexagonal).

Connect the
>Cooling water inlet<
[13] to the building’s cooling water supply.

Close the ball valve of the
>Cooling water drain<
[15] (if present).

Remove the collecting containers below the
>Cooling water inlet<
[13] and below the
>Cooling
water drain<
[15] (if present). Dispose of the contents of the collecting containers. Follow the in-
structions for the proper disposal. → Page 15, section
»Proper disposal of resources and con-
sumables«
.

Mount the paneling around the cooling water supply [13], [14] and [15] (if present).

Open the customer’s isolating valves in the cooling water supply and return lines.

Connect the temperature control unit to the power supply.

Switch on the temperature control unit.
We are also happy to offer you service training. Please contact Customer Support.
→ Page 58,
section
»Contact data«
.
7.3 Thermal fluid inspection, replacement and circuit cleaning
Observe the wiring diagram. → From page 59, section »Annex« .
Extremely hot / cold surfaces, connections and thermal fluids
BURNS/FREEZING OF LIMBS

Surfaces, connections and tempered thermal fluids can be extremely hot or cold depending on
the operating mode.

Avoid direct contact with surfaces, connections and thermal fluids!

Wear your personnel protective equipment (e.g. temperature-resistant safety gloves, safety
goggles).