9-3
Fan Modes
Table 9.2: Fan Modes
Fan Mode
Speed
Display
Output Terminal
Fan output is only activated when a thermostat call is present (On Call Fan) .
When a call is present the fan runs at the selected speed .
High
Gh
Medium
Gm
Low
Gl
AUTO
Fan output is only activated when a thermostat call is present (On Call Fan) .
When a call is present the fan speed is determined by the TPI/Span algorithm selected in
Parameter 23 (See Appendix A) .
High
Gh
Medium
Gm
Low
Gl
ON *
Fan output is constant at the selected speed .
The fan will remain running when a thermostat call is not present .
High
Gh
Medium
Gm
Low
Gl
ON-AUTO *
Fan output is only activated when a thermostat call is present (On Call Fan) . When a call is present, the
fan speed is determined by the TPI/Span algorithm selected in Parameter 23 (See Appendix A) .
High
Gh
Medium
Gm
Low
Gl
* When in constant fan output, the fan coil will automatically switch to On Call Fan 2 or 4 hours
after the initial call for heat or cool is satisfied (P35) .
Section 9
SC102ZB/ST103ZB Installation and Operation Manual
Operation