Electrical Connections - Spheros Thermo 230 Notice De Montage

Electrical connections

Thermo 230/300/350
10 Electrical connections
10.1. Heater connection
IMPORTANT HIGH VOLTAGE:
Danger of death. Disconnect the plug connection to the vehicle before
you open the heater.
Make the electrical connections to the heater as shown in Figure 20:
Automatic circuit diagram for water heaters type Thermo 230,
Thermo 300 and Thermo 350
Any plug designs that differ from the standard versions (Figures 20 and
21) are to be requested separately from Spheros.
Use the specified cable cross-sections.
Connect the negative and positive terminals of the heater controller di-
rect to the battery.
10.2. Connecting the controls
The heater can be switched on and off using the following Spheros
controls:
– Switch, see automatic circuit diagram Figure 20
– Timer, see circuit diagram Figure 21
10.3. Control module
The control module is installed in the heater.
10.4. Economy mode
The connection of the switch for economy mode is shown in the
automatic circuit diagram, Figures 20 and 21.
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