The A3500 series thermostats are luxurious appearance with large LCD display screen.The thermostat are designed to operate with heat pump most gas , oil, electric boiler or 2-wire hot water heating, and air conditioning systems that have 24-volt or millivolt control.

• Features

  ● Latching relays for system compatibility            
  ● Selectable applications satisfy personal demand   
  ● AC24V with battery backup brings more safety 
  ● High reliable stand-alone microprocessor increases anti-jamming ability 
  ● 5+2 or 7 days 4 periods Programmable 
  ● Low battery indicator（optional）
  ● 12/24 hour clock
  ● Adjustable cycle rate
  ● Large,easy-to-read LCD display with green backlight
  ● Supports Gas, Oil, Electric boiler, and Heat Pump Systems
  ● Easy,front load battery access
  ● Armchair programming allows you to remove the thermostat from the wall for programming
  ● Soft touch keypad
  ● Filter change indicator
  ● °F/ ℃ selector

• Main Functions

  ● Room Temperature Setting 
  ● Detect and Display Room Temp 
  ● Cool/Heat/Auto mode selectable 
  ● °F/℃ selectable indicator 
  ● 12/24 hours clock  
  ● Compressor short-cycle protection
  ● High/low temperature protection
  ● Selectable deadband setting
  ● Non-volatile memory
  ● 5+2 or 7 days 4 periods Programmable