Digital Room Thermostats for Fan Coil Unit

Specifications:
1) Three speeds adjust automatically
2) Large LCD display makes reading and operation easy and accurate
3) Display temperature is selectable, Celsius or Fahrenheit
may be pre-set
4) Key card function for hotels can save energy under non-occupancy
5) PC/ABS top-grade housing makes it non-change color
6) Optional functions:
a) RS 485 communication interface to be connect with PC or other system
b) 2 - 5 days programming
c) Infrared remote control
d) Blue backlight
e) Thermostat can be turned off automatically after pre-set working time
7) Available models:
a) F2000LB-S-20: automatically adjusted 3-speed fan, on/off output to 2-wire
water valve, 220V AC
b) F2000LB-S-20-K: F2000LB-S-20 with key card option,
c) F2000LB-S-21: 3-speed fan automatically adjusted, on/off output to 3-wire
water valve, 220V AC
d) F2000LB-S-21-K: F2000LB-S-21 with key card option,
e) F2000PS-22: automatically adjusted 3-speed fan, 2 x on/off output for 4
pipes, 220V AC
f) F2000PS-22-K: F2000PS-22 with key card function
8) Dimensions:
a) F2000PS: 130 x 90 x 32mm
b) F2000LB-S: 120 x 90 x 24mm