SPA
Page 66
9.5 Remote Switch / Safety Interlock
Terminals 1 and 2 are available for connecting an external on/off switch
for the steam generator. Terminals 1 and 2 being bridged allows for
operation of the steam generator. An open contact makes the steam
generator idle.
The wiring loop between terminals 1 and 2 may be additionally used as
a safety interlock. Circuit protection devices, for example an emer-
gency shut-off switch or max.-thermostat, can be wired in here.
Risk of cabin overheating!
Defective temperature sensor may impede controller function.
Use max.-thermostat in safety interlock to protect against overheating
due to temperature sensor failure
..
Circuit Protection Device
Humidifier Terminals
In case of a circuit protection device
and
a remote switch to be used,
wiring has to be made in series.
Remote Switch
Circuit Protection Device
Humidifier Terminals
Contacts across terminals 1 and 2 must be potential-free and
comply with control voltage in use (24V or 230V).
In factory setting, terminals 1 and 2 are unbridged.
Remote Switch
Safety Interlock
Safety Interlock
and
Remote Switch
Please note
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