Solar Controllers

• 2-line illuminated LC digital display with up to (9) integrated system schematics
• Flashing symbols for sensors, pumps and valves
• Easy adjustment of control parameters via three button keypad
• Frost protection, system cooling, and special evacuated tube collector operating functions
• Energy measurement capability
• Thermostat function (to divert excess heat or supply back-up heat)
• Real time clock for time based control functions
• VBus?? capable for data communication and remote service, bidirectional communication to remote modules, PCs, and data loggers. The controller can be configured comfortably by PC with the RESOL Service Center Software.
• Dimensions: 173 x 110 x 47 mm
• Power : 115 VAC / 60 Hz
• Controller sold with (4) four Pt1000 temperature sensors.

Digital differential controller with four temperature sensor inputs and two standard relay outputs. Ideal for controlling and monitoring a solar installation having one or two storage tanks, East & West collectors, one or two circulating pumps (valves), or two separate control loops. Features include:

DeltaSol PLUS

• 2-line illuminated LC digital display with up to (9) integrated system schematics
• Flashing symbols for sensors, pumps and valves
• Easy adjustment of control parameters via three button keypad
• Frost protection, system cooling and special evacuated tube collector operating functions
• Energy measurement capability
• Thermostat function (to divert excess heat or supply back-up heat)
• Dimensions: 173 x 110 x 47 mm
• Power : 115 VAC / 60 Hz
• Controller sold with (4) four Pt1000 temperature sensors.

Digital differential controller with four temperature sensor inputs and two standard relay outputs. Ideal for controlling a solar installation having one or two storage tanks, East & West collectors, one or two circulating pumps (valves), or two separate control loops. Features include :

DeltaSol PRO

• 2-line illuminated LC digital display with integrated system schematic
• Flashing symbols for sensors, pumps and valves
• Easy adjustment of control parameters via three button keypad
• Frost protection, system cooling and special evacuated tube collector operating functions
• Energy measurement capability
• Thermostat function (to divert excess heat or supply back-up heat)
• Dimensions: 173 x 110 x 47 mm
• Power: 115 VAC / 60 Hz
• Controller sold with (3) three Pt1000 temperature sensors.

Digital differential controller with three temperature sensor inputs and two standard relay outputs. Ideal for controlling a solar installation having one storage tank and one or two circulating pumps (valves). Features include :

DeltaSol BS/3

• 2-line illuminated LC digital display with integrated system schematic
• Flashing symbols for sensors, pumps and valves
• Easy adjustment of control parameters via three button keypad
• Frost protection, system cooling and special evacuated tube collector operating functions
• Energy measurement capability
• Dimensions: 173 x 110 x 47 mm
• Power : 115 VAC / 60 Hz
• Controller sold with (2) two Pt1000 temperature sensors.

Digital differential controller with three temperature sensor inputs and one standard relay output. Ideal for controlling a basic solar installation having one storage tank and one circulating pump. Features include :

DeltaSol BS/1