27
ST 5220
QM 1336.rev.01
1
Adjusting Stage 1 Minimum Speed
The minimum speed can be adjusted between 10 and 100% of the full speed
of the fans.
n
Set the selection knob to STAGE
1 — MINIMUM SPEED/CURVE.
The current minimum speed for
Stage 1 flashes on the display.
n
Use the adjustment knob to ad-
just the minimum speed to the de-
sired value.
NOTE:
The minimum speed can be adjusted only if the minimum speed
curve is deactivated or if the minimum speed curve is activated but not
currently operating (see below).
2
Adjusting Stage 1 Time On and Time Off
n
Set the selection knob to STAGE 1 — TIMER. The current time on for
Stage 1 flashes on the display, alternating with the letters "On".
n
Use the adjustment knob to adjust time on to the desired value.
n
Press the push-button. The current time off for Stage 1 flashes on the
display, alternating with the letters "OFF".
n
Use the adjustment knob to adjust time off to the desired value.
Time on and Time Off can be adjusted between 0 and 900 seconds, in
increments of 15 seconds.
