Huber MPC Minichiller 280, Manual

Page: 47 / 60

Service/maintenance
Chapter 7 OPERATION MANUAL
V2.4.0en/09.08.21//1.30
Minichiller®
47
7.2 Maintenance
Cleaning/maintenance while the temperature control unit is operating
MORTAL DANGER FROM ELECTRIC SHOCK

Stop an ongoing temperature control process.

Turn off the temperature control unit.

Also disconnect the temperature control unit from the power supply.
Performing maintenance work not described in these operation manual
MATERIAL DAMAGE ON THE TEMPERATURE CONTROL UNIT

Please contact Huber for maintenance work that is not described in these operation manual.

Maintenance work not described in these operation manual is reserved for qualified specialists
trained by Huber.

Safety-relevant components may only be replaced by equivalent ones. The specified safety
values for the respective component must be observed.
7.2.1 Function check and visual inspection
Cooling* Description
Maintenance
interval
Comment
Person re-
sponsible
A/W
Visually inspect
hoses and hose
connections
Prior to switching
on the tempera-
ture control unit
Exchange leaking hoses and hose
connections prior to switching on the
temperature control unit. → Page
48, section »Replacing temperature
control or coolant hoses« .
Operating
company and /
or operators
A/W
Check the fill level
in the collecting
container at the
>Overflow<
[12]
(if
present)
Prior to switching
on the tempera-
ture control unit
Check the fill level in the collecting
container. Empty as required. Follow
the instructions for the proper
disposal of thermal fluid. → Page 15,
section »Proper disposal of re-
sources and consumables« .
Operating
company and /
or operators
A/W
Inspection in ac-
cordance with the
F-Gas Directive
In accordance
with the F-Gas
Directive
→ Page 17, section »Temperature
control units with fluorinated
greenhouse gases/refrigerants« .
Operating
company
A/W
Check the power
supply cable
Prior to switching
on the tempera-
ture control unit
or on relocation
Do not start the temperature
control unit if the power supply
cable is damaged.
Qualified
electrician
(BGV A3)
A
Clean the perforat-
ed sheet
As required
Clean the perforated sheet of the
temperature control unit with a
damp cloth
Operating
company
A/W
Thermal fluid
inspection
As required –
Operating
company and /
or operators
A/W
Check the mechan-
ical seals
Monthly
→ Page 53, section »Inspect the
mechanical seal« .
Operating
company and /
or operators
A
Check the liquefier
fins
As required, after
3 months at the
latest
→ Page 48, section
»Clean liquefi-
er fins (air-cooled temperature
control unit)« .
Operating
company and /
or operators
W
Check the hat-type
strainer (dirt trap)
As required, after
3 months at the
latest
→ Page 49, section »Clean hat-
type strainer (dirt trap) (water-
cooled temperature control
unit)« .
Operating
company and /
or operators
A/W
Overtemperature
protection (OT) -
functional check
Every month or
after changing the
thermal fluid.
→ Page 37, section »Setting the
overtemperature (OT) protec-
tion« .
Operating
company and /
or operators
Inspection intervals