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10. Accessories/variants
10.1 Control module
Extension for the following auxiliary
functions/interfaces:
– Speed adjustment via analogue interface
(0 –10 V or 0 – 20 mA)
– External ON/OFF
– Multitherm or PWM interface
– Interface for twin pumps function
Note operating instructions for «Control module» (08 0375.2011).
10.2 Signal module
Extension for the following auxiliary
functions/interfaces:
– External operating indication
– External ON/OFF
– External switching of minimum speed
– Interface for twin pumps function
Note operating instructions for «Signal module» (08 0376.2011).
10.3 Twin pump
for version V2
Remarks:
Control module or signal module
required for twin pump function.
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92
91-92 Dual pump
91 92
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