Control and operation
HICO-VARIOTHERM 550
33
6.2 Operation
6.2.1 Switching on for initial commissioning
•
Switch on the unit with the push button (16); in switched-off
condition the push button is flush with the front panel.
•
If the set nominal value is greater than 38 °C or lower than
35 °C, check whether nominal value is correct before pressing
the release key (20).
•
Run the unit for about two minutes to remove any air from the
circuit in the unit.
•
Check the water level on the indicator (6); if necessary, switch
off the unit, disconnect it from the mains supply and refill
sterile filtered tap water to which a germicidal agent has been
added.
•
Connect a water pad to the unit; the pad and the unit should be
at the same level.
•
Reconnect the unit to the mains supply, switch it on and run it
for another two minutes to force all air out of the water pad.
•
Check the water level on the indicator (6) again; if necessary,
switch off the unit, disconnect it from the mains supply and
refill sterile filtered tap water to which a germicidal agent has
been added.
6.2.2 Switching on in normal operation
•
Switch on the unit using the pressure switch (16); when
switched off, the switch is flush with the front cover.
•
If the set nominal value is greater than 38 °C or lower than
35 °C, check whether it is correct and only press the release
button (20) if it is.
•
Check the water level on the indicator (6), especially if you
have connected an unfilled water pad.
•
After use, switch the unit off using the pressure switch (16)
and disconnect the plug from the mains.
