Johnson Controls DHR18CSB21S, Руководство по обслуживанию

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The indoor unit is interfaced with the central controller. When a central controller is connected,
centralized control of a unit can be realized if the wired zone controller is not connected;
(1) Interface instruction:
1) The connection is COM-BMS2, COM-BMS3 and the interface type is B2B-XH-K3;
2) Working principle: C entralized control and communication of indoor mainboard and unit control;
(2) Function instructions:
9
.2.
3 Connect to interface of central controller:
In order to achieve this function, set the address mode and address through the wired zone controller.
Please refer to Point 3 (below) for the setting method. The address mode is defaulted to be
connecting to a central controller mode and the defaulted address is 1 .
When the central controller is connected, centralized control of the unit can be realized to control unit
ON/OFF, operation mode, set fan speed/temperature and weekly timer.
Service Manual
Figure 2-7-8 (" human sensitive " = "occupancy"
Note:
When
the door
control function and
occupancy
function have been set at the same time, it is
defaulted that door control function is valid and
occupancy
function is invalid.
The user can purchase the
occupancy
module
as an accessory
. Please pay attention to the
following notes:
①
There is
a dedicated connection
on the mainboard. The interface mod
ule
inserted into this
connection
must be PH-3P-K
.
②
The current consumption of module can not exceed the current capacity provided by this
interface.
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