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724-746-5500 | blackbox.com
Chapter 4: E2 Controller
4.5.5.4 Blower
Figure 4-45. Blower screen.
From the Service>Blower menu, you may access screens to view and adjust the blower speed parameters.
Temp Zone Setup
Figure 4-46. Temperature zone setup screen.
If your unit is configured for zone temperature control, Blower>Temp Zone display screens are available for the upper, middle, and
lower fan. These screens allow you to adjust minimum and maximum fan speed settings and modify the fan speed proportional/
integral (PI) control response parameters. The variable dampening value, used with Variance From Average fan speed control (see
Section 4.4.4.1), adjusts the effect of the variance on the final fan speed.
Blower Setup
Figure 4-47. Blower setup screen.
The blower fans will operate at the Dehum Fan Speed setting during dehumidification. Dehumidification fan speed is limited to
the most restrictive value between the factory preset minimum and maximum, the temperature zone minimum and maximum,
and the speed setting for the operating mode. The higher minimum value is the low speed limit and the lower maximum value is
the high speed limit.
Ex: If the Dehum Speed is set to 60% in the Blower Setup screen and the maximum speed for the lower temperature zone fan is
set to 75% and the factory-set maximum fan speed is 90%, the fans will run at 60% during dehumidification.