room thermostat

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 single-speed fan or three-speed fan(WH611 WW).
11) Display adjustable between ℃ and ℉.
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
nbsp;Parameter

• Power: 220V AC (±10%) 50Hz / two LR6 1.5V alkaline batteries
• Range of temperature adjustment: 4÷35℃/39÷95℉
• Range of temperature display: 0÷40 0C/32÷104℉
• Temperature test frequency: Every minute
• Display accuracy: 0.1 ℃/1℉
• Probe sensor: NTC(100K) 1%
• Protection level: IP20
• Output Convertible: relay
• Contact capacity: 3A/250V (WH611WW); 5A/250V (WH611 MRF); 16A/250V (WH611 RF)
• Insulating condition: Normal environment
• Working environment temperature: -18÷50℃/0÷122℉
• 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