26
ED 15121
Data Type
Holding Register
Measurement
Units
Valid Range
RO Holding Register
Circuit #1=41
Circuit #2=45
Circuit #3=49
Circuit #4=53
Pressure
(gauge)
psi x 10
kPa x 10
-349.97–349.97 psi
-2413 kPa – 2413 kPa
Evaporator Saturated Refrigerant Temperature
Keypad Menu Path
Main Menu_View/Set Circuit_Circuit #1_Data_Evap Sat Temp= AND
Main Menu_View/Set Circuit _Circuit #2_Data_Evap Sat Temp= AND
Main Menu_View/Set Circuit _Circuit #3_Data_Evap Sat Temp= AND
Main Menu_View/Set Circuit _Circuit #4_Data_Evap Sat Temp=
These read only holding registers indicate the current saturated refrigerant temperature of the evaporator. There is a
separate holding register for each condenser.
Data Type
Holding Register
Measurement
Units
Valid Range
RO Holding Register
Circuit #1=42
Circuit #2=46
Circuit #3=50
Circuit #4=54
Temperature
°F x 10
°C x 10
-14.98-185°F
-26.1-85°
C
Fault Alarm Code
Keypad Menu Path
No Keypad Equivalent
This read only holding register allows individual notification of the active fault code. The alarms are not ordered based
on any priority. If multiple fault alarms are present at one time, this object will be set to the alarm that has the highest
alarm code. This object is set to zero if no fault alarms are active.
Data Type
Holding Register
Measurement
Units
Valid Range
RO Holding Register
33
Active Fault
Alarm
N/A
See the Active Alarms section
on page 29 for details.
Fault Alarm Index
Keypad Menu Path
No Keypad Equivalent
This read only holding register allows individual notification of the active fault index. The alarms are not ordered based
on any priority. If multiple fault alarms are present at one time, this object will be set to the alarm that has the highest
alarm index. This object is set to zero if no fault alarms are active.
Data Type
Holding Register
Measurement
Units
Valid Range
RO Holding Register
30
Active Warning Alarm
N/A
See the Active Alarms section
on page 29 for details.
Ice Setpoint - Network
Keypad Menu Path
Main Menu_View/Set Unit_Status/Settings_Netwrk Ice SP=
This read/write holding register is used to change the Ice setpoint from the network. It sets the temperature of the
Leaving Chilled Fluid when the chiller is operating in the Ice Mode. The default is 25°F. This register is ignored by the
chiller application if Chiller Local/Remote is set to Local.
Data Type
Holding Register
Measurement
Units
Valid Range
RW Holding Register
36
Temperature
°F x 10
°
C x 10
15.08°-38.12°F
-9.4°-3.4°C
Outdoor Air Temperature
Keypad Menu Path
Main Menu_View/Set Unit_Temperatures_Outside Air=
This read only holding register variable indicates the current outdoor air temperature.
Data Type
Holding Register
Measurement
Units
Valid Range
RO Holding Register
24
Temperature
°F x 10
°
C x 10
-40-230
°
F
-40-110
°
C
Problem Alarm Code
Keypad Menu Path
No Keypad Equivalent
