EMW90HDNC1A Air-cooled Chiller
The address of this machine
and the address of the main
control unit are configured as 1.
If the number of group control
units is 2, that is, when two
chillers back up each other, the
local address is configured as 1,
and the other backup unit
address is configured as 2.
Number of groups.
If two chillers backup each
other, the configuration is 2.
Number of standby machines.
If two chillers backup each
other, the configuration is 1.
Round patrol time for the system
to exchange master and
standby.
Default value: 24
Unit: Hours
System Setting
Click Settings on the homepage interface of the
system and select the System Cfg tab. The
system displays the interface shown in Figure
4-16, and the parameter settings of the interface
are shown in Table 4-6.
Figure 4-16 System Cfg interface
Table 4-6 Parameter description of the System Cfg interface
The monitoring address of water chillers is
unique when there are multiple units.
4800/9600/14400/
19200/38400/57600
Monitoring Baud rate (unit: Baud) used for
communication of chillers.
Please consult with the host computer
maintenance personnel and configure
according to the actual plan.
Types of communication protocols used in
chiller control system.
Default: The flow rate is 50L/min@90kPa.
1 Gear: The flow rate is 55L/min@110kPa.
2 Gear: The flow rate is 44L/min@70kPa.
3 Gear: The flow rate is 33L/min@40kPa.
4 Gear: It is not defined at present. Please
communicate with the equipment
manufacturer for confirmation before use.
Default: The maximum corresponding
rated refrigerating capacity is 8kW.
1 Gear: The maximum corresponding rated
refrigerating capacity is 7.8kW.