Differential Settings - Airstream TC5-2V4SA User Manual

D
IFFERENTIAL SETTINGS
1 Adjusting Stage 1 Bandwidth
The Stage 1 bandwidth is the temperature interval within which the Stage 1
variable speed fans increase or decrease in speed proportionally to the
temperature (see the diagram above). The bandwidth can be adjusted
between 0.5°F and 20.0°F (0.3°C and 11.1°C).
n
Set the selection knob to STAGE
1 — BANDWIDTH/TIMER. The
current bandwidth for Stage 1
flashes on the display.
n
Use the adjustment knob to adjust
the bandwidth to the desired value.
2
Adjusting Stage 2 Offset
The Stage 2 offset is the temperature difference from the set point at which
the Stage 2 variable-speed fans start to run at Stage 2 minimum speed. (see
the diagram above). The offset can be adjusted between 0°F and 20.0°F (0°C
and 11.1°C).
n
Set the selection knob to STAGE 2 — OFFSET/BANDWIDTH. The
current offset for Stage 2 flashes on the display, alternating with the
letters "OFT".
n
Use the adjustment knob to adjust the offset to the desired value.
TC5-2V4SA
TC5-2V4SA rev.06
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