Hired-Hand Emergency Back-Up and Alarms: Secondary Sensing System Expansion - Manual (Page 9)

Manual No. 4801-3001 Rev 7-08 Secondary Sensing System Expansion 9 of 46
5.1.4 Low Limit
The Low Alarm Temperature is the low temperature at which the controller will indicate an alarm
condition. The Low Alarm Temperature is displayed and can be changed using Zone Input Switches
(Zones 1, 2, or 3) then using the Plus (+) or Minus (–) buttons.
The Low Back-Up Limit is the low temperature at which Heat of the Back-Up will turn ON.
See Section 9 (Back-Up Operating Conditions). The Low Back-Up Temperature is displayed and can be
changed (1.0° increments) using the Select Button then using the Plus (+) or Minus (–) buttons.
NOTE: The High & Low Limits for the temperature sensors can be set individually or can be
programmed to be identical using program parameter P2 (See Section 6).
5.1.5 Status
The Status Mode displays the Sensor Status (ON or OFF) for each specific zone. This setting is used to
remove unused sensors or to deactivate sensors outside of the brood area during ½ or ¾ brood conditions.
Use the Zone Switches for selecting the specific Zone Temperature Sensor then using the + (ON) or –
(OFF) buttons to enable or disable sensors.
Low Back-Up Limit Temperature
Low Alarm Limit Temperatures for Specific Zones Zone Input Switches
Select Switch
Status for Specific Zones
Zone Switches