Humboldt H-3185B CONTROLLER - Manual (Page 11)

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© 2008 Humboldt Manufacturing
Note: When in Standby mode operation, the controller will be put on standby and
heating and cooling functions of the machine will be shut off.
4.1.3 Ramp/Soak Cycle Mode
1. To change to Standby mode, follow the step 1 in section 4.1 for changing the
operational mode.
2. When the red display reads “CtrL”, press one of the arrow buttons
until the green display reads “r.s” (Figure 8).
Figure 8
3. Follow step 3 in section 4.1 to return to the temperature readings and begin the
operation. The red display will switch back and forth from the temperature
reading to the word “rS.r1” when it begins the cycle.
Note: When in Ramp/Soak mode, the controller will begin to cycle as it is
programmed and the machine will begin the freeze/thaw cycle as called out in