Hired-Hand Farm Hand Series: ST Temperature Controllers - Manual (Page 5)

Part No. 4801-5043 Rev 7/00 Farm Hand ST 4
5. Wire Stages
Note: Refer to Wiring Diagrams in the back of this manual.
5.1 Illustration Of Farm Hand 4-ST Stages
The Farm Hand 4-ST controls four stages. Stage 1 controls cooling and ventilation. (Refer to
Section 8, Set Timer Percentage). Stages 2 and 3 control cooling only. Stage 4 can be used to
control cooling or heat. (Refer to Section 3, Adjust Settings).
5.2 Illustration of Farm Hand 8-S
5.3 Illustration of Farm Hand 8-ST Stages
The On Point settings of the Farm Hand 8-ST are programmed similarly to the Farm Hand 4-ST.
Stages 7 and 8 can be used to control either cooling or heat.
1 2 3 4 5 6 7 8
8
Stage 1
Cooling/Ventilation
(Timed Cycle)
Stage 2
Cooling
Stage 3
Cooling
Stage 4
Heat
(Optional)
Stage 4
Cooling
(Optional)
Power Cord
The Farm Hand 4-ST outputs are shown. Stage 1 has a
timed cycle. Stages 2 and 3 are cooling stages only. Stage
4 is an optional heat or cooling stage.
Stage 2
Cool
Stage 1
Cooling/Ventilation
Timed Cycle
Stage 3
Cool
Stage 4
Cool
Stage 5
Cool
Stage 6
Cool
Stage 7
Heat or Cooling
Stage 8
Heat or Cooling
Stages 7 and 8 have
Heat or Cooling
Options.
Power Cord