Controls
Table 18: Fault recovery and reset
Fault Description
Auto
Recovery
Tenant
Override
Button
Reset
Network
Reset
I/O Expansion
Communication Fail
Yes No No
Invalid Conguration No No No
Low Voltage Brownout Yes No Yes
All Sensor Failures No No Yes
Compressor High Pressure No Yes Yes
Compressor Low Pressure No Ye s Yes
Compressor Low Suction Temp or
Freeze Fault Detect (Heating and Cool-
ing Modes)
Yes
1
Yes Yes
Compressor Low Suction Temp or
Freeze Fault Detect
(Dehumidication Mode)
Yes Yes Yes
Condensate Overow Yes No Yes
Low Entering Water Temp Yes No No
Serial EEPROM Corrupted No No No
Waterside Economizer Low Temp Cutout Yes No No
Note:
1
Indicates auto recover is subject to intelligent alarm reset.
Alarm auto recovers on rst two occurrences, locked out on
third within 24 hour period.
See "Intelligent Alarm Reset" on page 32 for further details.
MicroTech SmartSource Controller with
lonWorks
®
Communication Module
For installation and operation information on LonWorks Com-
munication Module and other ancillary control components,
see:
• IM 927 - MicroTech III Water Source Heat Pump LonWorks
Communication Module
• IM 933 - LonMaker Integration Plug-in Tool: For use with
the MicroTech III SmartSource Unit Controller
• IM 955 - MicroTech III Wall Sensor for use with MicroTech
III SmartSource Unit Controller
Figure 52: LonWorks communication module
MicroTech SmartSource Controller with
BACnet
®
Communication Module
For installation and operation information on MicroTech III
SmartSource unit controller and other ancillary components,
see:
• IM 928 - MicroTech III BACnet Communication Module
• OM 931 - MicroTech III SmartSource Unit Controller for
Water Source Heat Pumps Operation and Maintenance
Manual
• IM 955 - MicroTech III Wall Sensor For use with MicroTech
III SmartSource Unit Controller
Figure 53: MicroTech III BACnet water source heat pump
snap-in communication module
www.DaikinApplied.com 42 Vertical Stack WSHP • IM 986-11
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