Service/maintenance
OPERATION MANUAL
Chapter 7
Unichiller®
V2.3.0en/07.06.19//17.12
74
Carrying out maintenance work not described in this operation manual
DAMAGE TO THE TEMPERATURE CONTROL UNIT
For maintenance work not described in the operation manual, contact the Huber company.
Maintenance work not described in this operation manual is reserved for qualified specialists
trained by Huber.
Only perform the following maintenance work on the temperature control unit yourself.
7.3.1
Function check and visual inspection
Cooling*
Description
Maintenance
interval
Comment
Person re-
sponsible
L/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. On
page 75 see Section
temperature control or coolant
.
Responsible
body and/or
operators
L/W
Inspection in ac-
cordance with the
F-Gas Directive
In accordance
with the F-Gas
Directive
On page 17 see Section
»Temperature control units with
Responsible
body
L/W
Inspect 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 cable is
damaged.
Qualified
electrician
(BGV A3)
L
Clean air inlet grille
As required
Clean the perforated sheet of the
temperature control unit with a
damp cloth
Responsible
body
L/W
Thermal fluid
inspection
As required
Responsible
body and/or
operators
L/W
Inspect the me-
chanical seals
Monthly
On page 80 see Section
Responsible
body and/or
operators
L
Check liquefier fins
As required, after
3 months at the
latest
On page 75 see Section
liquefier fins (air-cooled tempera-
Responsible
body and/or
operators
W
Check suction
strainer (dirt trap)
As required, after
3 months at the
latest
On page 76 see Section
hat-type strainer (dirt trap) (wa-
ter-cooled temperature control
Responsible
body and/or
operators
L/W
Overtemperature
protection (OT) -
functional check
Every month or
after changing the
thermal fluid
On page 49 see Section
overtemperature protection for
Responsible
body and/or
operators
L/W
Emergency stop
switch (optional):
Function test
Every 6 months or
after a change of
location
On page 76 see Section
»Emergency stop switch (optio-
Responsible
body and/or
operators
L/W
Inspect tempera-
ture control unit for
damage and stabil-
ity
Every 12 months
or after a change
of location
Responsible
body and/or
operators
W
Inspect cooling
water quality
Every 12 months
Descale the cooling water circuit
as required. Documentation on
water quality available at:
www.huber-online.com
Responsible
body and/or
operators
Monitoring interval
