Johnson Controls DHR18CSB21S, Service Manual

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Service Manual
4
0
Under off state of the unit, press Function and Mode buttons
simultaneously
for 5s to enter setting
interface of wired
zone
controller address. LCD displays address sequence. Press ▲ or ▼ button to
adjust the address sequence and then press Enter/Cancel button to confirm. The setting value will be
maintained
after
a
power failure. The detailed setting is as shown in the Figure below:
Figure 2-7-13
When the address is set, the wired
zone
controller can be removed and connect the central controller
to the indoor mainboard. Then connect the required units to realize central control of these units
.
Notes:
①
When central controller is to be connected, set the address mode into central controller
address mode through wired
zone
controller.
Building management system
control address
mode can not be set;
②
The unit addresses in the same network must be different, otherwise, communication
malfunction will occur and the unit
will not work correctly .
③
When central controller is to be connected, the unit address range is 1-16. Only 16
indoor
units can be connected to each central controller.
④
The code and model of
central
controller is as below:
Name Remark
Central Controller
DCCRMW
Only 16
indoor units
can be connected to this
controller