device library

daikin-microtech-iii-chiller-controller

Register map(s) for this device, with a note of how far each has been checked. Addresses are 0-based, as on the wire. Scale and byte order are confirmed only at the hardware-verified rung.

structure-verified

Decode path is structurally sound (addresses, widths, finite values). Does NOT prove word order or scaling.

pointaddress (0-based)typescaleunit
Chiller Local/Remote0U161
Chiller Enable Output1U161
Run Enabled2U161
Chiller Capacity Limited3U161
Alarm Digital Output4U161
Evaporator Flow Switch Status5U161
Condenser Flow Switch Status6U161
Chiller ON/OFF7U161
Chiller Enable Setpoint8U161
Clear Alarms - Network9U161
Chiller Mode Output10U161
Active Setpoint11I160.1F/C
Actual Capacity12U160.1%
Active Capacity Limit Output13U160.1%
Chiller Status (Chiller Run Mode)14U161
Evaporator Entering Fluid Temperature15I160.1F/C
Evaporator Leaving Fluid Temperature16I160.1F/C
Evaporator Fluid Flow Rate17U161GPM/L/S
Condenser Entering Fluid Temperature18I160.1F/C
Condenser Leaving Fluid Temperature19I160.1F/C
Condenser Fluid Flow Rate20U161GPM/L/S
Outdoor Air Temperature23I160.1F/C
Chiller Current24U161Amps
Total Kilowatts26U161kW
Warning Alarm Index27U161
Problem Alarm Index28U161
Fault Alarm Index29U161
Warning Alarm Code30U161
Problem Alarm Code31U161
Fault Alarm Code32U161
Chiller Mode Setpoint - Network33U161
Cool Setpoint - Network34I160.1F/C
Ice Setpoint - Network35I160.1F/C
Capacity Limit Setpoint - Network37U160.1%
Circuit 1 Condenser Refrigerant Pressure38U160.1psi/kPa
Circuit 1 Condenser Saturated Refrigerant Temperature39I160.1F/C
Circuit 1 Evaporator Refrigerant Pressure40I160.1psi/kPa
Circuit 1 Evaporator Saturated Refrigerant Temperature41I160.1F/C
Circuit 2 Condenser Refrigerant Pressure42U160.1psi/kPa
Circuit 2 Condenser Saturated Refrigerant Temperature43I160.1F/C
Circuit 2 Evaporator Refrigerant Pressure44I160.1psi/kPa
Circuit 2 Evaporator Saturated Refrigerant Temperature45I160.1F/C
Circuit 3 Condenser Refrigerant Pressure46U160.1psi/kPa
Circuit 3 Condenser Saturated Refrigerant Temperature47I160.1F/C
Circuit 3 Evaporator Refrigerant Pressure48I160.1psi/kPa
Circuit 3 Evaporator Saturated Refrigerant Temperature49I160.1F/C
Circuit 4 Condenser Refrigerant Pressure50U160.1psi/kPa
Circuit 4 Condenser Saturated Refrigerant Temperature51I160.1F/C
Circuit 4 Evaporator Refrigerant Pressure52I160.1psi/kPa
Circuit 4 Evaporator Saturated Refrigerant Temperature53I160.1F/C
Circuit 1 Compressor 1 Suction Refrigerant Pressure62U160.1Psi/kPa
Circuit 1 Compressor 1 Suction Refrigerant Temp64I160.1F/C
Circuit 1 Compressor 1 Discharge Refrigerant Pressure65U160.1Psi/kPa
Circuit 1 Compressor 1 Discharge Refrigerant Temp67I160.1F/C
Circuit 1 Compressor 1 Percent RLA68U161%
Circuit 1 Compressor 1 Current69U161Amps
Circuit 1 Compressor 1 Voltage70U161VAC
Circuit 1 Compressor 1 Power71U161kW
Circuit 1 Compressor 1 Starts72U161starts
Circuit 1 Compressor 1 Run Hours73U32BE1hours
Circuit 1 Compressor 2 Suction Refrigerant Pressure75U160.1Psi/kPa
Circuit 1 Compressor 2 Discharge Refrigerant Pressure78U160.1Psi/kPa
Circuit 1 Compressor 2 Percent RLA81U161%
Circuit 1 Compressor 2 Starts85U161starts
Circuit 1 Compressor 2 Run Hours86U32BE1hours
Circuit 1 Compressor 3 Starts98U161starts
Circuit 1 Compressor 3 Run Hours99U32BE1hours
Circuit 2 Compressor 1 Suction Refrigerant Temperature103I160.1F/C
Circuit 2 Compressor 1 Discharge Refrigerant Temp106I160.1F/C
Circuit 2 Compressor 1 Percent RLA107U161%
Circuit 2 Compressor 1 Current108U161amps
Circuit 2 Compressor 1 Voltage109U161VAC
Circuit 2 Compressor 1 Power110U161kW
Circuit 2 Compressor 1 Starts111U161starts
Circuit 2 Compressor 1 Run Hours112U32BE1hours
Circuit 2 Compressor 2 Starts124U161starts
Circuit 2 Compressor 2 Run Hours125U32BE1hours
Circuit 2 Compressor 3 Starts137U161starts
Circuit 2 Compressor 3 Run Hours138U32BE1hours
Circuit 3 Compressor 1 Suction Refrigerant Temperature142I160.1F/C
Circuit 3 Compressor 1 Discharge Refrigerant Temp145I160.1F/C
Circuit 3 Compressor 1 Percent RLA146U161%
Circuit 3 Compressor 1 Current147U161amps
Circuit 3 Compressor 1 Voltage148U161VAC
Circuit 3 Compressor 1 Power149U161kW
Circuit 3 Compressor 1 Starts150U161starts
Circuit 3 Compressor 1 Run Hours151U32BE1hours
Circuit 4 Compressor 1 Suction Refrigerant Temperature181I160.1F/C
Circuit 4 Compressor 1 Discharge Refrigerant Temp184I160.1F/C
Circuit 4 Compressor 1 Starts189U161starts
Circuit 4 Compressor 1 Run Hours190U32BE1hours
Condenser Pump 1 Run Hours296U32BE1Hrs
Condenser Pump 1 Status298U161
Condenser Pump 2 Run Hours299U32BE1Hrs
Condenser Pump 2 Status301U161
Evaporator Pump 1 Run Hours302U32BE1hours
Evaporator Pump 1 Status304U161
Evaporator Pump 2 Run Hours305U32BE1hours
Evaporator Pump 2 Status307U161
Year308U161
Month309U161
Date310U161
Day of Week311U161
Hour312U161
Minute313U161
Second314U161
Units315U161
Chiller Model316U161
Chiller Location317U161
Application Software Version333U161
Evaporator Entering Water Temperature Sensor Failure365U161
Bad Setpoint Override Input376U161
Bad Demand Limit Input377U161
RESTART DELAYED - Power Loss While Running Circuit 1383U161
RESTART DELAYED - Power Loss While Running Circuit 2384U161
RESTART DELAYED - Power Loss While Running Circuit 3385U161
RESTART DELAYED - Power Loss While Running Circuit 4386U161
START INHIBITED - Ambient Temperature Low387U161
INHIBIT LOAD - Condenser Pressure High Circuit 1389U161
INHIBIT LOAD - Condenser Pressure High Circuit 2390U161
INHIBIT LOAD - Condenser Pressure High Circuit 3391U161
INHIBIT LOAD - Condenser Pressure High Circuit 4392U161
UNLOAD - Condenser Pressure High Circuit 1394U161
UNLOAD - Condenser Pressure High Circuit 2395U161
UNLOAD - Condenser Pressure High Circuit 3396U161
UNLOAD - Condenser Pressure High Circuit 4397U161
Unit Low Source Temp Warning398U161
INHIBIT LOAD - Evaporator Pressure Low Circuit 1410U161
INHIBIT LOAD - Evaporator Pressure Low Circuit 2411U161
INHIBIT LOAD - Evaporator Pressure Low Circuit 3412U161
INHIBIT LOAD - Evaporator Pressure Low Circuit 4413U161
UNLOAD - Evaporator Pressure Low Circuit 1415U161
UNLOAD - Evaporator Pressure Low Circuit 2416U161
UNLOAD - Evaporator Pressure Low Circuit 3417U161
UNLOAD - Evaporator Pressure Low Circuit 4418U161
UNLOAD - Compressor Motor Current High Circuit 1, Comp 1419U161
UNLOAD - Compressor Motor Current High Circuit 2, Comp 1421U161
UNLOAD - Compressor Motor Current High Circuit 3, Comp 1423U161
COMP SHUTDOWN - Low Pressure Ratio Circuit 1, Comp 1439U161
COMP SHUTDOWN - Low Pressure Ratio Circuit 2, Comp 1441U161
COMP SHUTDOWN - Low Pressure Ratio Circuit 3, Comp 1443U161
COMP SHUTDOWN - Low Pressure Ratio Circuit 4, Comp 1444U161
UNIT SHUTDOWN - Outside Air Temp Sensor Fault445U161
COMPRESSOR SHUTDOWN - Current Overload Trip Circuit 1, Comp 1446U161
COMPRESSOR SHUTDOWN - Current Overload Trip Circuit 2, Comp 1448U161
COMPRESSOR SHUTDOWN - Current Overload Trip Circuit 3, Comp 1450U161
COMP SHUTDOWN - Motor Protector Trip Circuit 1 Comp 1465U161
COMP SHUTDOWN - Motor Protector Trip Circuit 2 Comp 1467U161
COMP SHUTDOWN - Motor Temp High Circuit 1, Comp 1477U161
COMP SHUTDOWN - Motor Temp High Circuit 2, Comp 1479U161
COMP SHUTDOWN - Motor Temp High Circuit 3, Comp 1481U161
COMP SHUTDOWN - Motor Temp High Circuit 4, Comp 1482U161
CIRCUIT SHUTDOWN - Condenser Pressure Sensor Circuit 1 Fault508U161
CIRCUIT SHUTDOWN - Condenser Pressure Sensor Circuit 2 Fault510U161
COMP SHUTDOWN - Condenser Pressure Sensor Fault Circuit 3, Comp 1512U161
COMP SHUTDOWN - Condenser Pressure Sensor Fault Circuit 4, Comp 1513U161
CIRCUIT SHUTDOWN - Condenser Pressure High Trip Circuit 1 Fault516U161
CIRCUIT SHUTDOWN - Condenser Pressure High Trip Circuit 2 Fault518U161
COMP SHUTDOWN - Condenser Pressure High Circuit 3, Comp 1520U161
COMP SHUTDOWN - Condenser Pressure High Circuit 4, Comp 1521U161
COMP SHUTDOWN - Discharge Temp Sensor Fault Circuit 1, Comp 1528U161
COMP SHUTDOWN - Discharge Temp Sensor Fault Circuit 2, Comp 1530U161
COMP SHUTDOWN - Discharge Temp Sensor Fault Circuit 3, Comp 1532U161
COMP SHUTDOWN - Discharge Temp Sensor Fault Circuit 4, Comp 1533U161
COMP SHUTDOWN - Discharge Temp High Circuit 1, Comp 1534U161
COMP SHUTDOWN - Discharge Temp High Circuit 2, Comp 1536U161
COMP SHUTDOWN - Discharge Temp High Circuit 3, Comp 1538U161
COMP SHUTDOWN - Discharge Temp High Circuit 4, Comp 1539U161
UNIT SHUTDOWN - Evaporator Water Flow Loss541U161
UNIT SHUTDOWN - Evaporator LWT or EWT Low (Freeze)542U161
CIRCUIT SHUTDOWN - Low Evaporator Pressure Trip Circuit 1 Fault544U161
CIRCUIT SHUTDOWN - Low Evaporator Pressure Trip Circuit 2 Fault546U161
COMP SHUTDOWN - Evaporator Pressure Low Circuit 3, Comp 1548U161
COMP SHUTDOWN - Evaporator Pressure Low Circuit 4, Comp 1549U161
CIRCUIT SHUTDOWN - Evaporator Pressure Sensor Circuit 1 Fault551U161
CIRCUIT SHUTDOWN - Evaporator Pressure Sensor Circuit 2 Fault553U161
COMP SHUTDOWN - Evaporator Pressure Sensor Fault Circuit 3, Comp 1555U161
COMP SHUTDOWN - Evaporator Pressure Sensor Fault Circuit 4, Comp 1556U161
PUMP 2 START ATTEMPTED - Evaporator Pump 1 Failure574U161
PUMP 1 START ATTEMPTED - Evaporator Pump 2 Failure575U161
COMP LOCKOUT - Number of Allowed Re-Starts Exceeded Circuit 1, Comp 1582U161
COMP LOCKOUT - Number of Allowed Re-Starts Exceeded Circuit 2, Comp 1584U161
COMP LOCKOUT - Number of Allowed Re-Starts Exceeded Circuit 3, Comp 1586U161
COMP LOCKOUT - Number of Allowed Re-Starts Exceeded Circuit 4, Comp 1587U161
UNIT SHUTDOWN - Evaporator Leaving Water Temp Sensor Fault588U161
Evaporator Leaving Water Temperature 1 Sensor Fault589U161
Evaporator Leaving Water Temperature 2 Sensor Fault590U161
CIRCUIT SHUTDOWN - Evaporator 1 Freeze Protection591U161
CIRCUIT SHUTDOWN - Evaporator 2 Freeze Protection592U161
COMP SHUTDOWN - Mechanical High Pressure Trip Circuit 1, Comp 1600U161
COMP SHUTDOWN - Mechanical High Pressure Trip Circuit 2, Comp 1602U161
COMP SHUTDOWN - Mechanical High Pressure Trip Circuit 3, Comp 1604U161
COMP SHUTDOWN - Mechanical High Pressure Trip Circuit 4, Comp 1605U161
COMPRESSOR SHUTDOWN - Oil Delta Pressure High Circuit 1, Comp 1636U161
COMPRESSOR SHUTDOWN - Oil Delta Pressure High Circuit 2, Comp 1638U161
COMPRESSOR SHUTDOWN - Oil Delta Pressure High Circuit 3, Comp 1640U161
COMPRESSOR SHUTDOWN - Oil Delta Pressure High Circuit 4, Comp 1641U161
COMP SHUTDOWN - Oil Feed Pressure Sensor Fault Circuit 1, Comp 1642U161
COMP SHUTDOWN - Oil Feed Pressure Sensor Fault Circuit 2, Comp 1644U161
COMP SHUTDOWN - Oil Feed Pressure Sensor Fault Circuit 3, Comp 1646U161
COMP SHUTDOWN - Oil Feed Pressure Sensor Fault Circuit 4, Comp 1647U161
SHUTDOWN - Phase Voltage Protection (Unit)660U161
COMP SHUTDOWN - Starter Fault Compressor Circuit 1, Comp 1661U161
COMP SHUTDOWN - Starter Fault Compressor Circuit 2, Comp 1663U161
COMP SHUTDOWN - Starter Fault Compressor Circuit 3, Comp 1665U161
COMP SHUTDOWN - Starter Fault Compressor Circuit 4, Comp 1666U161
Circuit 1, Compressor 1 Oil Feed Loss672U161
Circuit 2, Compressor 1 Oil Feed Loss674U161
COMP SHUTDOWN - Suction Temp Sensor Fault Circuit 1, Comp 1697U161
COMP SHUTDOWN - Suction Temp Sensor Fault Circuit 2, Comp 1699U161
COMP SHUTDOWN - Suction Temp Sensor Fault Circuit 3, Comp 1701U161
COMP SHUTDOWN - Suction Temp Sensor Fault Circuit 4, Comp 1702U161
COMP SHUTDOWN - No Pressure At Startup Circuit 1710U161
COMP SHUTDOWN - No Pressure At Startup Circuit 2711U161
COMP SHUTDOWN - No Pressure At Startup Circuit 3712U161
COMP SHUTDOWN - No Pressure At Startup Circuit 4713U161
COMP SHUTDOWN - Mechanical Low Pressure Trip Circuit 1, Comp 1716U161
COMP SHUTDOWN - Mechanical Low Pressure Trip Circuit 2, Comp 1718U161
COMP SHUTDOWN - Mechanical Low Pressure Trip Circuit 3, Comp 1720U161
COMP SHUTDOWN - Mechanical Low Pressure Trip Circuit 4, Comp 1721U161
Controller Board Offline Circuit 1722U161
Controller Board Offline Circuit 2723U161
Controller Board Offline Circuit 3724U161
Controller Board Offline Circuit 4725U161
COMP SHUTDOWN - Motor Temp Sensor Fault Circuit 1, Comp 1733U161
COMP SHUTDOWN - Motor Temp Sensor Fault Circuit 2, Comp 1734U161
COMP SHUTDOWN - Motor Temp Sensor Fault Circuit 3, Comp 1735U161
COMP SHUTDOWN - Motor Temp Sensor Fault Circuit 4, Comp 1736U161
Unit Power Restore739U161
Circuit Failed Pumpdown - Circuit 1740U161
Circuit Failed Pumpdown - Circuit 2741U161
Circuit Failed Pumpdown - Circuit 3742U161
Circuit Failed Pumpdown - Circuit 4743U161
External Event744U161
Controller Board Offline - Unit745U161
COMP SHUTDOWN - No Pressure Change After Start Circuit 1746U161
COMP SHUTDOWN - No Pressure Change After Start Circuit 2747U161
COMP SHUTDOWN - No Pressure Change After Start Circuit 3748U161
COMP SHUTDOWN - No Pressure Change After Start Circuit 4749U161
SHUTDOWN - Phase Voltage Protection Circuit 1750U161
SHUTDOWN - Phase Voltage Protection Circuit 2751U161
SHUTDOWN - Phase Voltage Protection Circuit 3752U161
SHUTDOWN - Phase Voltage Protection Circuit 4753U161
Evaporator Entering Water Temperature Sensor Failure754U161
COMP SHUTDOWN - Slide Position Sensor Fault Circuit 1, Comp 1755U161
COMP SHUTDOWN - Slide Position Sensor Fault Circuit 2, Comp 1757U161
COMP SHUTDOWN - Slide Position Sensor Fault Circuit 3, Comp 1759U161
COMP SHUTDOWN - Slide Position Sensor Fault Circuit 4, Comp 1760U161
COMPRESSOR SHUTDOWN - COMPRESSOR VFD Fault Circuit 1, Comp 1761U161
COMPRESSOR SHUTDOWN - COMPRESSOR VFD Fault Circuit 2, Comp 1763U161
COMPRESSOR SHUTDOWN - COMPRESSOR VFD Fault Circuit 3, Comp 1765U161
COMP SHUTDOWN - COMPRESSOR VFD Over Heat Fault Circuit 1, Comp 1767U161
COMP SHUTDOWN - COMPRESSOR VFD Over Heat Fault Circuit 2, Comp 1769U161
COMP SHUTDOWN - COMPRESSOR VFD Over Heat Fault Circuit 3, Comp 1771U161
COMP SHUTDOWN - COM ERROR With COMPRESSOR VFD Circuit 1, Comp 1773U161
COMP SHUTDOWN - COM ERROR With COMPRESSOR VFD Circuit 2, Comp 1775U161
COMP SHUTDOWN - COM ERROR With COMPRESSOR VFD Circuit 3, Comp 1777U161
INHIBIT LOAD - Compressor Motor Current High Circuit 1, Comp 1779U161
INHIBIT LOAD - Compressor Motor Current High Circuit 2, Comp 1781U161
INHIBIT LOAD - Compressor Motor Current High Circuit 3, Comp 1783U161
UNIT STOP - Emergency Stop Alarm797U161
UNIT STOP - Evaporator Water Temperature Inverted798U161
UNIT STOP - External Alarm799U161
COMP SHUTDOWN - Low Discharge Superheat Circuit 1, Comp 1807U161
COMP SHUTDOWN - Low Discharge Superheat Circuit 2, Comp 1809U161
COMP SHUTDOWN - Low Discharge Superheat Circuit 3, Comp 1811U161
Bad Current Limit Input813U161
Option Controller Communication Failed814U161
UNIT STOP - PVM GFP Fault815U161
CIRCUIT SHUTDOWN - PVM GFP Circuit 1 Fault816U161
CIRCUIT SHUTDOWN - PVM GFP Circuit 2 Fault817U161
COMP SHUTDOWN - Refrig Charge Circuit 1821U161
COMP SHUTDOWN - Refrig Charge Circuit 2822U161
COMP SHUTDOWN - Refrig Charge Circuit 3823U161
Low Refrigerant Charge - Circuit 1824U161
Low Refrigerant Charge - Circuit 2825U161
Low Refrigerant Charge - Circuit 3826U161
Chiller Network Communication Failure827U161
Circuit 1 Compressor 1 Stator Temperature 1903I160.1F/C
Circuit 1 Compressor 2 Stator Temperature 1904I160.1F/C
Circuit 1 Compressor 1 Stator Temperature 2909I160.1F/C
Circuit 1 Compressor 2 Stator Temperature 2910I160.1F/C
Circuit 1 Compressor 1 Stator Temperature 3915I160.1F/C
Circuit 1 Compressor 2 Stator Temperature 3916I160.1F/C
Circuit 1 Compressor 1 Motor Gap Temperature921I160.1F/C
Circuit 1 Compressor 2 Motor Gap Temperature922I160.1F/C
Circuit 1 Compressor 1 Motor Case Temperature927I160.1F/C
Circuit 1 Compressor 2 Motor Case Temperature928I160.1F/C
Circuit 1 Compressor 1 Rotor Pump Temperature933I160.1F/C
Circuit 1 Compressor 2 Rotor Pump Temperature934I160.1F/C
Circuit 1 Compressor 1 Lift Temperature939I160.1F/C
Circuit 1 Compressor 2 Lift Temperature940I160.1F/C
Circuit 1 Compressor 1 Lift Pressure945U160.1Psi/kPa
Circuit 1 Compressor 2 Lift Pressure946U160.1Psi/kPa
Circuit 1 Compressor 1 Unavailable969U161
Circuit 2 Compressor 1 Unavailable971U161
Circuit 4 Compressor 1 Oil Feed Pressure1730I160.1psi/kPa
Circuit 3 Compressor 1 Oil Feed Pressure1769I160.1psi/kPa
Circuit 2 Compressor 1 Oil Feed Pressure1808I160.1psi/kPa
Circuit 1 Compressor 1 Oil Feed Pressure1848I160.1psi/kPa
Waterside Economizer State1853U161
Waterside Economizer Enable Setpoint1854U161
Circuit 1 Liquid Line Refrigerant Temperature1983I160.1F/C
Circuit 1 Suction Refrigerant Temperature1989I161F/C

The trust ladder

Each rung states what it proved and what it did not. Gray until proven; green is earned by hardware only.

Device not here? Upload its manual and get a checked map back. It's free.

Want it confirmed against your own device? Order hardware verification. If it doesn't check out, you don't pay.

Building on a lot of devices? License the library — machine-readable maps, the firmware matrix, and API access.