Hired-Hand Emergency Back-Up and Alarms: Farm Hand Back Up System - Manual (Page 10)

4801-5048 Farm Hand Back Up 9
Example Of Two Room Operation
Set SWX2 (Section 3.2) for two room operation. Recall that for two room operation, the
temperature reference of stages 1 and 2 is sensor 1, and the temperature reference of stages 3 and 4
is sensor 2. Sensor 1 is placed in room 1 and sensor 2 is placed in room 2. Stages 2 and 4 Set
For Heat: In this example, the High Limit is set as 88ºF and the Low Limit is set as 68ºF. If
stages 2 and 4 are set for heating (Section 3.2), and the temperature of room 1 drops to 68ºF, then
stage 2 turns on Heat (Graph 1). If the temperature of room 2 drops to 68ºF, then stage 4 turns on
(Graph 3). The stages turn off at temperatures as indicated by arrows. Stages 2 and 4 Set For
Cool: In this example, the High Limit is set as 80ºF. If the temperature of room 1 rises to 80ºF
then stage 1 turns on (Graph 2). Stage 2 turns on if the temperature of room 1 rises to 82ºF (2º
above the High Limit). If the temperature of room 2 rises to 80ºF, then stage 3 turns on (Graph 4).
If the temperature of room 2 rises to 82ºF (2º above the High Limit), then stage 4 turns on. Stages
turn off at the temperatures indicated by arrows.
8. Calibrate Sensors
The temperature sensors should be calibrated to ensure accurate temperature detection. To
calibrate the sensors an independent temperature measurement is required such as a thermometer
or thermocouple.
1. Place a thermometer inside the house at the location of each sensor Allow a few minutes for the
temperature to stabilize.
2. Take readings from the thermometers located at Sensor 1 and Sensor 2.
3.
Use the Program Mode to set calibrations of Sensor 1 and Sensor 2 (Refer to Table 3).
66 68 70 72 74 76 78 80 82 84 86 88 90
Stage 4
Stage 3
66 68 70 72 74 76 78 80 82 84 86 88 90
Stage 2
Stage 1
Stages For Sensor 1 (Room 1)
Temperature (ºF)
Temperature (ºF)
Stages For Sensor 2 (Room 2)
66 68 70 72 74 76 78 80 82 84 86 88 90
Stage 2
Stage 1
Temperature (ºF)
Stage 2 Set For Heat Stage 2 Set For Cool
Stage 4 Set For Heat
66 68 70 72 74 76 78 80 82 84 86 88 90
Stage 4
Stage 3
Temperature (ºF)
Graph 1 Graph 2
Graph 3 Graph 4
Stage 4 Set For Cool