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With 1-Step Controls, the external control hygrostat or control
switch is wired in series with the contacts of the safety inter-
lock.Warning: Contacts laid between terminals 1 and 2 must
be potentialfree and rated for 230V switches.
Terminals single-cylinder and double-cylinder humidifiers
Note: Controls are typically set to an external control signal of
0-10 V DC. For 1-step controls, the following modifications must
be made:
For 1-step controls the jumpers
must be set as indicated below:
For 1-step controls, Parameter
U6 must be set to “1-step,” also
see Section „Parameter Setting
with Codes (P0=10) /
Advanced Customer Level“
Warning: Set controls so that the steam humidifier does not
switch on and of more frequently than 4 times per minute (flut-
tering control leads to premature wear of the main contactor).
Basic
Comfort / Comfort Plus
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