IWCi
16
It is strictly forbidden to reproduce this manual, even partially
WC66000122 - Rev 03
C
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MODBUS CONNECTION
Make sure that micro-switch 1 of SW2 is on OFF (factory
setting).
1. Hold the CLEAN key down for 7 seconds.
2. Press the + and - keys until you get the number you
require for the address (01, 02, 03...99).
3. Hold the CLEAN key down again for 7 more seconds,
aiming the remote controller at the unit receiver.
4. Three "beeps" will sound when the address is set
correctly.
UNIT
SETTING ADDRESSES THROUGH REMOTE CONTROLLER
NOTES
• Valid addresses range between 01 and 99, 00 and negative addresses
(displayed with flashing digits) are not acceptable.
• Addresses 33, 38 and 77 are forbidden; if you select them the system
may fail.
• Use a shielded bipolar electric cable with a 0.5mm
2
section. The cable
must not be any lighter than H05VVC4V5-K (according to IEC 20-20
CENELEC HD21).
• Max. length (total cable sum): 250m
Min. length between units: 0.5m
• The cable shielding must only be connected on one side (see diagram).
• In case of a power outage, the units will start up again with the last
settings on the MODBUS controller, but it will be necessary for the
MODBUS supervisor to take over control of the units again before the
parameters can be set again.