EMW90HDNC1U Air-cooled Chiller
Parameter Description
MenberQty
If two chillers backup each
other, the configuration is 2.
StandbyQt
y
Number of standby machines.
If two chillers backup each
other, the configuration is 1.
Polling
Time
Round patrol time for the system
to exchange master and
standby.
Default value: 24 (h)
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 4-4 Parameter description of the System Cfg interface
Parameter Default Value Setting Range Description
Monitor Addr 1 [1~247]
The monitoring address of water chillers is
unique when there are multiple units.
Monitor Baud
Rate
9600
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.
Protocol
Control Mode
Modbus
Modbus
CAN
Types of communication protocols used in
chiller control system.
CyclePumpS
peedGear
Default
Default
1 Gear
2 Gear
3 Gear
4 Gear
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.
CompSpeed
Gear
Default
Default
1 Gear
2 Gear
3 Gear
Default: The maximum corresponding
rated refrigerating capacity is 8kW.
1 Gear: The maximum corresponding rated
refrigerating capacity is 7.8kW.
2 Gear: The maximum corresponding rated
refrigerating capacity is 6.5kW
3 Gear: The maximum corresponding rated
refrigerating capacity is 6kW.
The default values and value ranges of the above parameters are for reference only, and the factory settings shall prevail.
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