Daikin MicroTech III, Troubleshooting Manual

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Troubleshooting Guide and FAQ
www.DaikinApplied.com 31 OM 1085-6 • MICROTECH III CONTROLLER
Enfinity Large Two Compressor (SS2C)
Table 11: Unit Controller Configuration Jumpers for Enfinity Large Two Compressor (SS2C)
Unit Controller Option Hardware Jumpers Setting Description
Normal / Test Mode JP1
JP1 = Open Normal Operation
JP1 = Shorted Service / Test Mode
Fan Operation JP2
JP2 = Open Continuous Fan Operation (On)
JP2 = Shorted Cycling Fan Operation (Auto)
Loop Fluid JP3
JP3 = Open Water Loop Fluid
JP3 = Shorted Glycol Loop Fluid
Freeze Fault Protection JP4
JP4 = Open LWT Freeze Fault Protection is Disabled
JP4 = Shorted LWT Freeze Fault Protection is Enabled
Room Sensor Setpoint Adjust Range JP5
JP5 = Open Short Range: -5 to +5 ºF (-2.78 to +2.78 ºC)
JP5 = Shorted Long Range: 55 to 95 ºF (12.78 to 35 ºC)
Thermostat / Room Sensor JP6
JP6 = Open Thermostat Control
JP6 = Shorted Room Sensor Control
Compressor Availability JP7 & JP8
JP7 = Open
Both Compressors Available (Automatic Compressor Fail Replace)
JP8 = Open
JP7 = Shorted
Lead Compressor Available (Lag Compressor is Off-Line)
JP8 = Open
JP7 = Open
No Compressors Available
JP8 = Shorted
Table 12: I/O Expansion Module Configuration Jumpers for Enfinity Large Two Compressor (SS2C)
I/O Expansion Module Option Hardware Jumpers Setting Description
Not Used JP1 JP1 = Open —
Not Used JP2 JP2 = Open —
Secondary Heating JP3 & JP4
JP3 = Open
None
JP4 = Open
JP3 = Shorted
Supplemental Electric Heat
JP4 = Open
JP3 = Open
Boilerless Electric Heat
JP4 = Shorted
JP3 = Shorted
Hydronic Heating
JP4 = Shorted
Cooling / Dehumidification JP5 & JP6
JP5 = Open
None
JP6 = Open
JP5 = Shorted
HGR Dehumidification
JP6 = Open
JP5 = Open
Hydronic Cooling (Waterside Economizer)
JP6 = Shorted
Not Used JP7 JP7 = Open —
Lead Compressor Select JP8
JP8 = Open Compressor #1 is Lead
JP8 = Shorted Compressor #2 is Lead
Table 13: Model Types and Options for Enfinity Large Two Compressor (SS2C)
1, 2
Model Number Supplemental Electric Heat Boilerless Electric Heat Hydronic Heating HGR Dehumid Waterside Economizer
1 — — — — —
2 X — — — —
3 —
X
— — —
4 — — X — —
5 — — — X —
6 X — — X —
7 — X — X —
8 — — X X —
9 — — — — X
10
X
— — —
X
11 — X — — X
1
All Enfinity Large Two Compressor (SS2C) WSHP models require both the unit controller and I/O expansion module.
2
An “X” means that option is available for the corresponding WSHP model.