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® 2018 Valco Companies, Inc.
Stir, Sidewall, Tunnel, Pit and Ridge Fan Settings - continued
Input the temperatures at which the fan group should turn on and turn off.
Note the use of variable speed fans below.
VARI - TUNNEL FAN GROUP #1 SETTING Z1-S01
ON Temp: 71.0 OFF Temp: 70.0
Input a value from 0 (off) to 60 (full power) for the power level the fan should operate at when the temperature is at
or above the ON Temp.
VARI - TUNNEL FAN GROUP #1 SETTING Z1-S01
Fan ON Power Setting: 25
Test the power setting as you adjust it by selecting YES when prompted. Press the
PLUS
or
MINUS
keys to switch
between YES and NO.
VARI - TUNNEL FAN GROUP #1 SETTING Z1-S01
Test New Power Setting: YES
The RPM of most PSC type fan motors is controlled by varying the amount of power (voltage) ap
-
plied. The way a PSC motor responds to a given power setting varies considerably between fan motor
manufacturers. One motor may require a setting of 50 to run at full speed while another just 35.
Fans always get a five second full power burst (see the Full Power Setting menu item) at start up before adjusting to
the specified power setting.
Input the temperature at which power ramping should start. The power level of a variable speed fan ramps up and
down as the temperature fluctuates. The power level fluctuates from the “Fan On Power Setting” (see above), when
the temperature is at this setting, to the “Full Power Setting” (see below).
VARI - STIR FAN GROUP #1 SETTING Z1-S01
Power Ramping Start Temp: 73.0
VARI - TUNNEL FAN GROUP #1 SETTING Z1-S01
Fan ON Power Setting: 25
Input the temperature at which the fan group should be operating at the FULL Power Setting (see below).
VARI - STIR FAN GROUP #1 SETTING Z1-S01
FULL Power Temp: 80.0
Input the power setting value the fan group should operate at when the FULL Power Temp is reached (see above).
VARI - STIR FAN GROUP #1 SETTING Z1-S01
Full Power Setting: 50
VARI - STIR FAN GROUP #1 SETTING Z1-S01
Test New Power Setting: YES
Test the power setting as you adjust it by selecting YES when prompted. Press the PLUS or MINUS keys to switch
between YES and NO.
Fan On and Off Temps
Power Ramp Starting Temp
Full Power Temp
Full Power Setting
Fan On Power Setting