Hired-Hand Farm Hand Series: ST Temperature Controllers - Manual (Page 4)

Part No. 4801-5043 Rev 7/00 Farm Hand ST 3
4. Install
4.1 Unpacking Components
Unpack system, and check that components are present. Locate required tools.
1 Farm Hand “ST” Temperature Controller
1 Installation Kit
1 Temperature Sensors
1 Manual
4.2 Installation Instructions
1. Hang Farm Hand “ST” with four screws and the plastic mounting brackets included.
2. Make sure all power supplies are disconnected before breaking any wires, or reaching into the
enclosure.
3. Open the Farm Hand “ST” and locate sensor connections. Refer to Wiring Diagrams,
Schematics, etc.
4. Run sensors out to locations inside the house. Be sure that the sensors are in a safe location,
free from any extreme temperature influences (direct sunlight, water, etc.) Use care when
securing sensor wires so that you do not cut the wire. Any short or break in the wire will
cause improper sensor operation.
5. Connect each sensor to its appropriate terminals inside the enclosure. See Section 2.
6. Connect wires from stage terminals to a relay box or directly to equipment. See Sections 11.3
and 11.4.
7. RECHECK THE POSITION OF THE VOLTAGE SELECTOR SWITCH. Connect the wires
for 115v/230v power to the terminals specified in the Wiring Diagram.
8. Close the Farm Hand “ST” and tighten the two screws in the lid to secure the unit shut.
4.3 Checklist for Setting Up Control of House Temperature
Please read and follow the Installation instructions on the following pages. Refer to the following
checklist as an aid in setting the Farm Hand “ST” controllers.
1. Physically install the controller, temperature
sensors, and wires leading from the output
stages to cooling and/or heat equipment or to a
control panel.
Refer to Section 1, Install
Refer to Section 2, Wire Stages
Refer to Section 3, Adjust Switches
2. Set internal switches according to your
requirements and line power. Make sure to set
voltage switch to 115v or 230v whichever is
required. Set Heat/Cooling Stage options.
Refer to Section 3, Adjust Switches
Refer to Section 2, Wire Stages
3. Install power to controller. Refer to Section 4, Apply Power
4. Set Target Temperature. Refer to Section 6, Set Target
5. Set On Point and Timer Percentage Setting Of
Stage 1.
Refer to Section 8, Set Timer
Percentage
Refer to Section 9, Set On Points
6. Set On Points Of Other Stages. Refer to Section 9, Set On Points
7. Calibrate Sensors. Refer to Section 10, Calibrate
Sensors
Tools Required:
Mini Screwdriver
Wire Strippers
Standard Screwdriver