Programmable digital touch screen thermostat

Model Number: A4100 Brand Name: HaiLin Key Specifications/Special Features: Menu-driven programmingProduct description:A4100 touchscreen programmable is a friendly interface, 7-day programmable thermostat that provides universal heating, cooling, air conditioning or heat pump system compatibilityThrough software or hardware parameter setting, this thermostat adapts quickly to suit the variations required in different control projectsMODbus protocol is availableThe installer is able to configure A4100 to control heat pump system (with auxiliary or emergency heating if necessary), gas/oil/electric boiler heating system with add on cooling, control high and low balance points as well as the number of heating and cooling stages needing precise controlFeatures:Large, clear display with backlight shows the current and set temperature and thermostat in the darkMenu-driven programming makes setup effortlessTouchscreen interactions, surface mountReal-time clock keeps time during power failures
Change/check reminders let you know when to do maintenance or replace filters
Various hold options allow you to override the program schedule, as desired
A4100 touchscreen programmable thermostat enjoy a great wide range of application fields

Additional features:
Auto changeover
Selectable programmable or manual mode
Heat cool or heat pump (O/B) logic
Add on and emergency heat control
High and low balance points
Single or 3-speed fan control
Keyboard and/or temperature locks
Programmable occupancy inputs
Adaptive recovery
PIN protected menus (installer PIN)
Outside air temperature display
24V AC powered with memory backup
Remote temperature sensors available
RS485 interface MODbus protocol available