wireless digital thermostat/ programmable thermostat/ thermostat

Features

1) Heating / Cooling control
2) Programmable function of 24 time sections per day and 7-day per week
3) 3 sets of permanent programs ( 2 sets of factory setting program and 1 set of self-setting program)
4) Pre-cooling or pre-heating function in automatic program
5) Backlight display (at 220V)
6) The temperature difference adjustable between off and on
7) Allowable to calibrate the temperature display;
8) Allowable to connect the external temperature sensor. Outdoor temperature display provided.
9) Display adjustable between room temperature, outdoor temperature and preset temperature.
10) Fan speed adjustable automatically or manually to control of no fan(WH611 WW), single-speed fan(WH612WW) or three-speed fan(WH614WW)..
12) Allowable to keep user settings after power shutdown.
13) Antifreeze (or energy-saving) when turn off.
14) Allowable to set the highest temperature of heating and the lowest temperature of cooling.
15) Three transmission modes for selection, i.e. wired, wireless or multi-channel transmission.
16) Multiple fault detection and display functions.
17) Energy-consumption display function
18) Allowed for wired / wireless installation in standard box(WH611 WW,WH612WW,WH614WW), or allowed to install on battery seat for wireless transmitting(WH611RF,WH611MRF).

• Power: 220V AC (±10%) 50Hz / two LR6 1.5V alkaline batteries
• Temperature test frequency: Every minute
• Probe sensor: NTC(100K) 1%
• Protection level: IP20
• Output Convertible: relay
• Contact capacity: 3A/250V (WH611WW, WH612WW, and WH614WW); 16A/250V (WH611RF); 5 A/250V (WH611MRF)
• Insulating condition: Normal environment
• Running program: Set per 1 week as a cycle
• Software level: A
• LCD display
• Minimum allowable time for increase / decrease in program setting: 1 hour
• Frequency: 433 MHz (WH611 RF/MRF)
• Wireless transmission distance: Indoor 16 / 50 m; outdoor 200m (WH611 RF/MRF)
• Size(mm): 77H*120W*14D
• Installation: Installed in standard box or on battery seat