Daikin McQuay MicroTech III User Manual

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Evaporator Entering Fluid Temperature
Keypad Menu Path Main Menu_Evaporator EWT=
This read only holding register indicates the temperature of the fluid entering the evaporator.
Data Type
Holding Register
Measurement Units Valid Range
RO Holding Register
16
Temperature
°F x 10
°C x 10
-40-230° F
-40-110° C
Evaporator Flow Switch Status
Keypad Menu Path No Keypad Equivalent
This read only output network indicates the status of the fluid flowing through the evaporator.
Data Type
Holding Register
Measurement Units Valid Range
RO Holding Register
6
Flow State N/A
0=No Flow
1=Flow
Evaporator Leaving Fluid Temperature
Keypad Menu Path Main Menu_Evaporator LWT=
This read only holding register indicates the current temperature of the fluid leaving the evaporator.
Data Type
Holding Register
Measurement Units Valid Range
RO Holding Register
17
Temperature
°F x 10
°C x 10
-40-230° F
-40-110° C
Evaporator Pump Run Hours
Keypad Menu Path Main Menu_View/Set Unit_Status/Settings_Evap Pmp 1 Hrs= AND
Main Menu_View/Set Unit_Status/Settings_Evap Pmp 2 Hrs=
These read/write holding registers indicate the number of hours that the pump motor has been turned on. There is
separate holding register for each pump.
Pump #1
Data Type Holding Register Measurement Units Valid Range
RW Holding Register
303-304
Time Hours
0-999,999
Pump #2
Data Type Holding Register Measurement Units Valid Range
RW Holding Register
306-307
Time Hours
0-999,999
Evaporator Pump Status
Keypad Menu Path No Keypad Equivalent
These read only holding registers indicate if the pump has been commanded On or Off. There is a separate holding
register for each pump.
Pump #1
Data Type Holding Register Measurement Units Valid Range
RO Holding Register 305 Flow State N/A
0=Pump Off Request
1=Pump On Request
Pump #2
Data Type Holding Register Measurement Units Valid Range
RO Holding Register 308 Flow State N/A
0=Pump Off Request
1=Pump On Request
Evaporator Refrigerant Pressure
Keypad Menu Path Main Menu_View/Set Circuit_Circuit #1_Data_Evap Pressure= AND
Main Menu_View/Set/Circuit_Circuit #2_Data_Evap Pressure= AND
Main Menu_View/Set/Circuit_Circuit #3_Data_Evap Pressure= AND
Main Menu_View/Set/Circuit_Circuit #4_Data_Evap Pressure=
These read only holding registers indicate the current refrigerant pressure in the evaporator. There is a separate holding
register for each compressor.

Daikin McQuay MicroTech III Specifications

General

Brand	Daikin
Model	McQuay MicroTech III
Category	Chiller
Language	English