Airstream TC5-2V4SA User Manual page 25

If room temperature rises:
• When room temperature < Set Point, stage 1 fans run at minimum speed
according to the minimum ventilation cycle.
• At Set Point: stage 1 fans stop operating according to the minimum ventilation
cycle and increase in speed as the room temperature rises.
• At Set Point + Bandwidth 1: stage 1 fans reach full speed.
• At Set Point + Bandwidth 1 + Stage 2 Offset: stage 2 fans start running.
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2: stage 2 fans reach
full speed.
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2 + Diff. 3: stage 3 fans
start running.
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2 + Diff. 3 + Diff. 4:
stage 4 fans start running.
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2 + Diff. 3 + Diff. 4 +
Diff. 5: stage 5 fans start running.
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2 + Diff. 3 + Diff. 4 +
Diff. 5 + Diff. 6: stage 6 fans start running.
If the room temperature falls:
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2 + Diff. 3 + Diff. 4 +
Diff. 5: stage 6 fans return to a stop.
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2 + Diff. 3 + Diff. 4:
stage 5 fans return to a stop.
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2 + Diff. 3: stage 4
fans return to a stop;
• At Set Point + Bandwidth 1 + Stage 2 Offset + Bandwidth 2: stage 3 fans
return to a stop; stage 2 fans start decreasing in speed as the temperature
decreases.
• At Set Point + Bandwidth 1 + Stage 2 Offset: stage 2 fans return to a stop.
• At Set Point + Bandwidth 1: Stage 1 fans start decreasing in speed as the
temperature decreases.
• At Set Point: Stage 1 fans reach minimum speed.
• Below the Set Point: stage 1 fans stop operating continuously and operate
according to the minimum ventilation cycle at minimum speed.
TC5-2V4SA
TC5-2V4SA rev.06
25