hotowell HTW-91-WT416 Programmable Wireless Thermostat
General
HTW-91-WT416 series thermostat is widely used in this environment like Homes, Residential buildings, Schools, Offices and etc. to main an ideal room temperature purpose. It can be used both in
Heating or Cooling systems typically could be integrated with the following equipment:
- Thermal Valves or Zone Valves
- Combi Boilers
- Gas or Oil Burners
- Fans
- Pumps
Features
- Up to 5 operating modes are configurable:
- Manual Mode, Automatic(5+1+1 Programmable, 6 Time Zones),
- Comfort, Energy Saving, and Frost Protection
- Big Size of LCD Display: 80×55.8mm(3.15×2.20’’)
- Safe Operating Voltage Protection:
- Controlling Panel: 2xAA batteries-powered
- Receiver: Line Voltage powered
- RF Frequency optional: 433 Hz(Default) , 846 Hz(optional)
Operating Algorithm
- T Room Thermostat
- SD Switching differential (1K)
- W Room temperature setpoint
- L1 Output Signal for Heating
Specification
| Casing Material | ABS & Acrylic |
| LCD Backlight | 80×55.8mm(3.15×2.20’’) |
| Power Supply | Controlling Panel: 3V DC（2 x AA1.5 V）
Receiver:Line Voltage(110/220Vac +/- 10%, 50/60Hz) |
| Current Load | 10A (Resistive) |
| Ambient Temp. Range | 0~99.5℃ |
|
Set-point Range |
5~45 ℃/41℉~113℉ (Comfort Mode) 5~45 ℃/41℉~113℉ (Energy Saving Mode)
5 ℃~15℃ /41℉ ~59℉ (Frost Protection) |
| Accuracy/Tolerance | +/-0.5℃ |
| Timing Tolerance | <1% |
| NTC Thermistor | 10KΩ@25 ℃ |
| Storage Conditions Temperature | -10~60 ℃ |
| Humidity | < 90% r.h. |
| Battery Life | 12 months |
| RF Module | Semi-duplex Module |
| RF Frequency | 433 Hz(Default) , 846 Hz(Optional) |
Display
| 1 | Week day: from Monday to Sunday | 6 | Time of day(00:00..23:59) | 11 | Energy Saving Mode |
| 2 | Number of Programmable Time Zone | 7 | Heating is on | 12 | Frost Protection Mode |
| 3 | Room Temperature | 8 | Comfort Mode | 13 | Setpoint, or
Floor Temperature |
| 4 | Buttons Lock | 9 | Manual Mode | 14 | Mode Select/Time Set |
| 5 | Battery Consumption Indication | 10 | Programmable Mode |
Buttons Operation
- Modes selecting or Time setting, etc
- Modes: Selecting Automatic Mode, Comfort Mode, Energy Saving Mode, and Frost
- Protection Mode
- Time Setting Press and hold this button for 3 sec, and increase or decrease the value by
buttons; sequence from Hour, Minute to Weekday via pressing the SET button. - Temperature up, or other parameters set
- In case of internal and external sensors are selected, press + button for 3 sec, Setpoint is displaying the external sensor’s temperature; after 3 sec, it returns to Setpoint
- 5+1+1 Programmable setting
- Press the button and program setpoints and time zones accordingly Increase
- Decreasing or Increasing value by 10 mins by buttons.
Ex-factory Settings
| Weekday
Time Zone |
1~5
Mon~Fri |
6
Sat. |
7
Sun. |
| 1 06:00~08:00 | 20℃ | 20℃ | 20℃ |
| 2 08:00~11:30 | 10℃ | 20℃ | 20℃ |
| 3 11:30~13:30 | 18℃ | 20℃ | 20℃ |
| 4 13:30~17:00 | 10℃ | 20℃ | 20℃ |
| 5 17:00~22:00 | 20℃ | 20℃ | 20℃ |
| 6 22:00~06:00 | 18℃ | 18℃ | 18℃ |
- Temperature down, or other parameters set
- On/off button
- Red Power LED
- Green RF signal LED
- IP Learn button
Normal State (the steady connection between Sender and Recipient)： When the RF signal is transmitting, Green LED is flashing ONCE in every 30 minutes; Heating equipment connected, Red Led is ON
Integrate Panel with Receiver
How to Learn
Recipient(RECEIVER)：
Press and hold Learn button for some secs, Green LED will keep flashing. When the Learn is done and successful, Red LED is on and Green Led stop flashing.
Sender(HTW-91-WT410 Controlling Panel)：
At the state of switching off, press and hold button for some secs to enter into Learn. In this case, the display of room temperature is “rE”; after that, press button quickly, Learn is matching. If Learn is successful, the display of Room Temperature should be “OH”; if not, the display is “Er”, please Learn again.
Parameter Setting
| Code | Parameters | Operated by + / – button |
| 1 | Temp Calibration | -9℃~+9℃ |
| 2 | Sensors | 0:Single Internal Sensor activate
1:Internal and External sensors activate |
|
3 |
Buttons Lock/unlock |
0：Except On/off button, other buttons are locked 1：All buttons are locked
(To unlock by pressing the buttons of simultaneously |
| 41 | Frost Projection activation | 0：Off 1:On |
|
51 |
Setpoint Range of Frost Protection | 5℃~15℃(When it is activated,if room temperature is lower than this setpoint, heating equipments will open up
automatically. |
| 61 | Setpoint Range of Overheating Protection | 35℃~70℃(When room temperature is higher than this setpoint, heating equipments will be cut off automatically. |
|
71 |
High Temperature Differential
range between room temperature and setpoint |
0℃~9℃(when the room temperature is higher than temperature of setpoint plus this deferential setpoint, heating
equipment is cut off automatically) |
|
81 |
Low Temperature Differential
range between room temperature and setpoint |
0℃~9℃ (when the room temperature is lower than temperature of setpoint minus this deferential setpoint, heating
equipment is activated automatically) |
Error Code
If there are any errors happened, error code will be displayed
- Er1 Internal Sensor
- Er3 External Sensor
- Er5 RF Signal Transmitting
It might occur that some or all of them happen at a once. Please figure out by values.
- Examples：
- Er8 = Er3 + Er5
- Er4 = Er1 + Er3
Wiring Diagram
Frame/LCD Color and Dimensions
- Housing: white defaults, customized colors can be negotiated
- LCD Display: White defaults, Blue and Green colors are available
Mounting
- Mount the room temperature controller in location where the air temperature can be measured as accurately as possible without adversely affect by direct solar radiation or other source of heating or cooling.
The Room Controller is with fold-out stand, which is can be used to a removable device.Please refer to two pictures at right side.
Wall-mounting
- The baseplate is for universal mounting.It means it can be mounted on flat wall or mounting boxes. And below are the steps
Battery Replacement
If the battery symbol appears, the batteries are almost exhausted and must be replaced
Warranty
We offer warranty of 12 month, from the date of the sale. If it is not the quality problems, or beyond the warranty period, we will charge for the after-sales services.
REFERENCE:
DOWNLOAD MANUALS:
hotowell HTW-91-WT416 Programmable Wireless Thermostat User Manual
hotowell HTW-91-WT416 Programmable Wireless Thermostat User Manual