Contacts For Building Automation - Technibel MTA8FIA0R5IAA Technical Data & Service Manual

5-20 CONTACTS FOR BUILDING AUTOMATION

5-20.1 INPUT CONTACT (J11 - green)
The status of this input affects system operation according to the following:
Contact OPEN : system does not operate (always OFF) – inputs from wireless remote controller are not processed
Contact CLOSED: system operates in the normal way according to the inputs coming from wireless remote controller
5-20.2 OUTPUT CONTACT (J20)
This connector is directly tied to the contact (normally open) of a power relay which activates every time the following alarm
condition occur:

RAT damaged

ICT damaged

Communication error

Fault on outdoor unit
In this case when alarm happens, on poles 1 and 3 of J20 connector, 220 VAC-50Hz are available.
Max electrical load: 1A- 240VAC
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