10
Before commissioning, make sure
that the device has not been moved
for one hour.
Check whether the voltage specified on the type plate
matches the mains voltage available.
The power socket used must be
earthed (protective earthing).
If above conditions are met, the instrument is ready for
operation after plugging in the mains plug.
If these conditions are not met, safe operation is not guar-
anteed and the device could be damaged.
Observe the ambient conditions (temperature, humidity,
etc.) listed under “
Technical Data
”.
After switching on the mains switch (
2
) at the back of the
device or pressing the ON/OFF key (
A
), all LED segments light
up during the self test.
Commissioning
After that, following two screens appear alternately.
Display field
Software version (ver)
Operating mode (mode)
Working setting
Then the device enters standby status and is ready for
operation.
Change the temperature setting with “
Temp (+)
“ button
(
C
) or “
Temp (-)
“ button (
D
).
Change the pump speed setting with “
Pump (+)
“ button
(
F
) or “
Pump (-)
“ button (
G
).
In standby status, activate the refrigerating function by
pressing the “
Temp
“ button (
B
). The pump and fan starts
to run at once. The refrigerating function may delay to
start at maximum 2 minutes.
In working status, press the “
OK/Pump
“ button (
E
) to
stop the pump function. The refrigerating function and
pump stops.
Note:
In running status, the pump speed adjusts auto-
matically according to the load. When the actual speed
doesn’t reach the setting speed, the actual speed and set-
ting speed will appear on the screen alternately.
In standby status, press the “
OK/Pump
“ button (
E
) to
start the pump function. The refrigerating function will
not be activated.
In working status, press the “
Temp
“ button (
B
) to stop
the refrigerating function, the pump keep running.
The controls of the device allow to be locked by pressing
the key button (
I
), so no accidental changes during opera-
tion are possible (LED (
J
) lights up).
By pressing the key button (
I
) again, the controls are re-
leased (LED (
J
) no longer lights up).
NOTICE
