Service/maintenance
OPERATION MANUAL
Chapter 7
Unistat® T300 Series
Liability for errors and misprints excluded.
V1.2.0en/12.05.15//14.06
78
7.3.1
Function check and visual inspection
Cool-
ing*
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.
Responsible
body and/or
operators
L/W
Inspect power
supply cable
Prior to switching
on the tempera-
ture control unit
or on relocation
Do not start-up the temperature con-
trol 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
U
Empty drip tray
Monthly
See page 80, section
Responsible
body and/or
operators
L/W
Check mechanical
seals (drip tray)
Monthly
See page 83, section
Responsible
body and/or
operators
L
Check liquefier fins
As required, after
3 months at the
latest
See page 79, section
fins (air-cooled temperature control
Responsible
body and/or
operators
W
Check suction
strainer (dirt trap)
As required, after
3 months at the
latest
See page 80, section
strainer (dirt trap) (water-cooled
Responsible
body and/or
operators
L/W
Overtemperature
protection (OT) -
functional check
Every 3 months or
after changing the
thermal fluid
See page 44, section
temperature protection for functiona-
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 the 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
L/W
Free-standing
models: Check air
filter mats
Determine accord-
ing to ambient
conditions.
Check all air filter mats of the tempera-
ture control unit. Clean the air filter
mats as needed or replace.
Responsible
body and/or
operators
*L = Air cooling; W = Water cooling; U = Applicable only for Unistats
Monitoring interval