C
ontrols
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 Configuration
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
Yes
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
(Dehumidification Mode)
Yes
Yes
Yes
Condensate Overflow
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 first two occurrences, locked out on
third within 24 hour period.
See "Intelligent Alarm Reset" on page
32
for further details.
MicroTech SmartSource Controller with
l
on
W
orks
®
Communication Module
For installation and operation information on
L
on
W
orks
Com-
munication Module and other ancillary control components,
see:
•
IM 927 - MicroTech III Water Source Heat Pump
L
on
W
orks
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:
L
on
W
orks
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
Summary of Contents for VHF
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