14 ED 15121
48483=COMP SHUTDOWN–No Pressure Change After Start
Circuit #3
48515=COMP SHUTDOWN–No Pressure Change After Start
Circuit #4
48675=COMP SHUTDOWN–No Pressure at Startup Circuit
#1
48707=COMP SHUTDOWN–No Pressure at Startup Circuit
#2
48739=COMP SHUTDOWN–No Pressure at Startup Circuit
#3
48771=COMP SHUTDOWN–No Pressure at Startup Circuit
#4
48935=COMP SHUTDOWN-Slide position sensor fault
Circuit #1, Comp#1
48967=COMP SHUTDOWN-Slide position sensor fault
Circuit #2, Comp#1
48999=COMP SHUTDOWN-Slide position sensor fault
Circuit #3, Comp#1
49031=COMP SHUTDOWN-Slide position sensor fault
Circuit #4, Comp#1
49155=UNIT
STOP–Emergency Stop Alarm
49411=UNIT STOP–Evaporator Water Temps Inverted
49667=UNIT STOP–External Alarm
49923=Evaporator Leaving Water Temp 1 Sensor Fault
50179=Evaporator Leaving Water Temp 2 Sensor Fault
50435=CIRCUIT SHUTDOWN-Evaporator 1 Freeze
Protection
50691=CIRCUIT SHUTDOWN-Evaporator 2 Freeze
Protection
*Chiller Mode Setpoint – Network (2) 22 34 R/W
0=Null, 1=Ice, 2=Cool, 3=Heat, 4=Cool/Heat Recovery. The
MicroTech III Chiller only supports Ice and Cool modes. If any
other mode is written, the chiller will be set to Cool mode.
*Cool Setpoint – Network (9) 24 35 R/W
24.98-60.08° F (-3.9-15.6° C) Default = 43.88° F (6.6°C)
Ice Setpoint - Network 26 36 R/W
15.08°-38.12°F (-9.4°-3.4°C)
Default = 24.98°F (-3.9°C)
*Capacity Limit Setpoint - Network (10) 20 38 R/W 0 - 100%
*Boldface indicates data points required for typical minimum integration.
Table 5. Circuit Data Points
Network Control Property Page
Holding
Register
(4xxxx)
Read/
Write
Description
Circuit #1
Condenser Refrigerant Pressure 24 39 R
0-410 psi (700 psi for R410A)
0-2827 kPa, (4826 kPa for R410A)
Condenser Saturated Refrigerant Temperature 24 40 R -14.98-185°F (-26.1-85°C)
Evaporator Refrigerant Pressure 25 41 R -349.97–349.97 psi (-2413 kPa – 2413 kPa)
Evaporator Saturated Refrigerant Temperature 26 42 R -14.98-185°F (-26.1-85°C)
Circuit #2
Condenser Refrigerant Pressure 24 43 R
0-410 psi (700 psi for R410A)
0-2827 kPa, (4826 kPa for R410A)
Condenser Saturated Refrigerant Temperature 24 44 R -14.98-185°F (-26.1-85°C)
Evaporator Refrigerant Pressure 25 45 R -349.97–349.97 psi (-2413 kPa – 2413 kPa)
Evaporator Saturated Refrigerant Temperature 26 46 R -14.98-185°F (-26.1-85°C)
Circuit #3
Condenser Refrigerant Pressure 24 47 R
0-410 psi (700 psi for R410A)
0-2827 kPa, (4826 kPa for R410A)
Condenser Saturated Refrigerant Temperature 24 48 R -14.98-185°F (-26.1-85°C)
Evaporator Refrigerant Pressure 25 49 R -349.97–349.97 psi (-2413 kPa – 2413 kPa)
Evaporator Saturated Refrigerant Temperature 26 50 R -14.98-185°F (-26.1-85°C)
Circuit #4
Condenser Refrigerant Pressure 24 51 R
0-410 psi (700 psi for R410A)
0-2827 kPa, (4826 kPa for R410A)
Condenser Saturated Refrigerant Temperature 24 52 R -14.98-185°F (-26.1-85°C)
Evaporator Refrigerant Pressure 25 53 R -349.97–349.97 psi (-2413 kPa – 2413 kPa)
Evaporator Saturated Refrigerant Temperature 26 54 R -14.98-185°F (-26.1-85°C)
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