Hired-Hand Farm Hand Series: 4 Stage Controller - Manual (Page 24)

4801-5058 Rev 8-04 Farm Hand 4 Stage Controller 24 of 30
P24 -- Degrees above
target (Unit 2)
Occasionally, a grower may want one curtain sidewall to drop
before the other to try to avoid large temperature swings. This
setting allows for this to happen. Note: If you would like
both curtain units to always react together, you must set
P23=P24.
P25 – Tunnel Onpoint This is the sensor 3 temperature at which the controller will
enter tunnel mode. Only applicable when tunneling on outside
temperature.
P26 -- Tunnel Offpoint This is the sensor 3 temperature at which the controller will
enter tunnel mode. Only applicable when tunneling on outside
temperature.
P27 -- Close Override The degrees below target at which time the curtains will
override to close.
P40 - HHNet Address Unique setting for controllers along a single network wire pair.
Only used with the PC compatibility feature using Hired-
Hand’s Farm Manager software.
P41 -- Version Number This is the version of the software for the controller. This value
is not settable.
P42 -- Controller Type This is a number that identifies the type of controller (4 Stage
Controller) to the Farm Manager Software (PC compatible)
PS1 - Calibrate Sensor 1 The temperature the controller reads from Sensor 1. This
setting is used only when calibrating sensors. Press the +
and/or - buttons until the correct reading is seen in the main
display. (See Sensor Calibration)
PS2 - Calibrate Sensor 2 The temperature the controller reads from Sensor 2. This
setting is used only when calibrating sensors. Press the +
and/or - buttons until the correct reading is seen in the main
display. (See Sensor Calibration)
PS3 - Calibrate Sensor 3 The temperature the controller reads from Sensor 3. This
setting is used only when calibrating sensors. Press the +
and/or - buttons until the correct reading is seen in the main
display. (See Sensor Calibration)