Daikin Microtech III Operation And Maintenance Manual page 20
Unit controller with i/o expansion module
for two compressor water source heat pumps
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Also See for Microtech III:
- Operation manuals (144 pages) ,
- Operating manual (77 pages) ,
- Sales and engineering data sheet (68 pages)
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Table 11: MicroTech III unit controller status LED's
IO Expansion Communication Fail
Invalid Jumper Configuration
Low Voltage Brownout
Emergency Shutdown
Compressor #1 High Pressure
Compressor #1 Low Pressure
Compressor #1 Suction Temp Sensor Fail
Freeze Fault Detect
Compressor #1 Low Suction Temp
Room Temp Sensor Fail (Room Sensor Control Only)
Leaving Water Temp Sensor Fail (Freeze Fault Protect)
Condensate Overflow (Cooling & Dehumidification Modes)
Serial EEPROM Corrupted
Waterside Economizer Low Temp Cutout
(WSE Control & Call for Cooling)
Service Test Mode Enabled
Unoccupied Mode
Occupied, Bypass, Standby, Modes
OM 1239
Description
M
Type
Yellow
Fault
ON
Fault
Flash
Fault
OFF
Mode
OFF
Fault
OFF
Fault
OFF
Fault
Flash
Fault
Flash
Fault
Flash
Fault
Flash
Fault
Flash
Fault
ON
Fault
ON
Mode
Flash
Mode
Flash
Mode
ON
Mode
OFF
20
t
III u
C
ICro
eCh
nIt
ontroller
Green
Red
Flash
Flash
Flash
OFF
Flash
OFF
Flash
OFF
OFF
Flash
OFF
ON
Flash
ON
OFF
Flash
OFF
OFF
Flash
ON
Flash
ON
OFF
OFF
ON
ON
ON
Flash
Flash
Flash
ON
OFF
ON
OFF
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