Frequency inhibitors and radio equipment operating in a permanent transmission mode in the same frequency band (433 MHz) may impair the normal operation of the ZONING. The system is designed to work on two different frequencies (433.92 and 434.33 MHz) to minimise this type of problem.
ZITY, quick installation guide (for air zoning installations) Technical characteristics and warranty ZEBRA Thermostat MADEL ATD hereby declares that the ZOE / ZEBRA / ZITY equipment complies with the essential requirements and • Power supply: 12 VDC any other applicable or enforceable provisions of Directives •...
2 Connect the thermostats and the central control unit, via the following steps: • Locate on the front label the ID number (radio ID) of the ZITY central control unit and associate this number to each of the thermostats. Rx Tx...
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ZITY, quick installation guide (for air zoning installations) 2-B Configuration with ZEBRA thermostats (wired) 1 Configure the central control unit: select switch SW1 according to the diagram. There are two ZEBRA thermostat models: V1, 4-wire thermostat; V2: 7-wire thermostat. Direct expansion...
3 Cut the voltage to the ZITY central control unit. 3.3 Start-up in normal operating mode ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 1 Raise the voltage to the ZITY central control unit again. 2 When power is supplied to the central control unit it will begin to operate normally according to the configuration specified in the SW1.
ZITY, quick installation guide (for air zoning installations) Most common errors 4.1 For all installations ERROR INDICATOR CAUSE SOLUTION On supplying 230 VAC to No voltage or no • Check that voltage is reaching the ZITY the central control unit, no learning control unit (230VAC ±10%).
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Mode LED R7 in the row of relays Combined mode • Check the position of Switch 7 of the ZITY or is flashing error Active Modes of the ZEBRA thermostat. It is trying to make the central control unit work in Cold or Radiant Heat Mode.
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