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7
Starting up
7.1
Connection to the supply
Compare the supply voltage with the data on the rating label (rearside on control head).
Connect the unit only to a grounded mains power socket (PE).
No warranty when the thermostat is connected to a wrong supply!
Please make sure that your mains plug is equipped with at least the following safety fuses (
10).
Power supply
Fuse protection
230 V~
12 A
115 V~
15 A
100 V~
15 A
The start current of the refrigerating machine may exceed those currents distinctly for a short
time.
Ensure that the unit is filled in accordance with Section (
6.2).
Note for electric installation on site:
The devices must be protected with a 16 ampere circuit breaker fitted during installation.
Exception: Devices with 13 ampere UK plugs.
7.2
Switching on
1 s
Switch on at the mains switch; an acoustic signal is
emitted for about one second.
Initial check of display and indicators; software version is shown
and the self-test becomes initiated.
The current bath temperature is shown on the display.
If necessary add more heat transfer liquid to replace
the amount pumped out to the external circuit.
Bath temperature
2 % 3
Self-test
8 8 8 8
Summary of Contents for RA 12
Page 12: ...12 52 Alpha 7 2022 1 Control head with clamp 2 Bath vessel 3 Four mounting feet 1 2 3...
Page 14: ...14 52 Alpha 7 2022 1 Mains cable 2 Rating label 3 Cooler cable 4 Bath drain nozzle 1 2 3 4...
Page 44: ...44 52 Alpha 7 2022 Cooling characteristics Alpha RA 8 RA 12 and RA 24 230 V 230 V...
Page 45: ...7 2022 Alpha 45 52 11 Declaration of Conformity and Product Returns...
Page 46: ...46 52 Alpha 7 2022...
Page 47: ...7 2022 Alpha 47 52...
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