Configuring the Controller
Differential Heating and Root Cellar Modes (DIFF / ROOT)
These modes are used for solar hot water and air heating and root cellar or attic cooling. DIFF
mode is used for heating. ROOT mode is used for differential cooling applications like root
cellars..
Configure Differential or Root Cellar Menu Descriptions
Value
Range
Select Output to Configure (1-6):
1-6
Select Control Mode: 0-OFF, 1-ON, 2-HEAT, 3-COOL, 4-DIFF
5-ROOT, 6-RESET, 7-CYCLIC
4-5
Select Collector Temp Sensor (1-6):
(ROOT Mode) Select Outside Temp Sensor (1-6):
1-6
Select Storage Temp Sensor (1-6) or (Root Mode) Select Cellar Temp Sensor (1-6):
1-6
Enter DeltaT TurnOn Degrees (1-99):
1-99
Enter DeltaT TurnOff Degrees (1-99):
1-99
Enter Max Tank Temp (0-255) or (Root Mode) Enter Min Cellar Temp (0-255):
0-255
Enter Freeze Protection? (1-yes, 0-no) or (ROOT Mode: None)
0-1
MAXDTC-BT User Manual - Rev A
www.mydtcstore.com
7