Features
• Graphical LCD display with blue / white backlighting
• Animated graphic of the systems and operating status
• 2 PT1000 inputs, 1 water pump output
• large LCD with slim casing design
• T1_min adjustable ,50°C by default
• T1_max adjustable, 90°C  by default
• T1-T2_ON adjustable, 15°C  by default
• T1-T2_OFF adjustable,10°C by default
• Limitation of storage tank temperature
• Manual / Auto mode
• Real time clock, time display and day display
• 12/24 Hour clock format
• Settings can be reserved after power break
• Temperature display °C / °F

Specifications
• Power supply: 230VAC (120VAC optional)
• Inputs: 2 x PT1000 temperature sensors
• Output: 1 proportional pump control ,max 1800watts
• Ambient temperature: 0 °C [+32 °F] ~ +45 °C [+113 °F]
• Operating RH: 0~95% (non condensing). 
• Dimensions: 86mm x 86mm x13mm
• Display Size: 65 x 48mm.
• Backlight life: 5,000 hours.
• Battery type: CR 1220 (Backs up clock only)
• Battery life: > 5years (10 years Maximum)