Hotowell HTW-31-H17 Under-Floor Heating Thermostat User Manual

Hotowell HTW-31-H17 Under-Floor Heating Thermostat

Features

• Attractive and Big LCD Display
• Adjustable Comfort, Energy-saving and Prog. mode control
• Electric Heating System(Max.16A)
• Water Heating System(Max.3A)
• 7 days Programmable (5+1+1)
• Clock
• 86*86 mm Mounting

Technical Data

• Power Supply – 100~240Vac, 50/60Hz
• Backlight – Blue
• Power Consumption – 1 A
• Sensor – NTC 3950, 10K ohms at 25℃
• Set Point Range – 5~35℃
• Accuracy – ±0.5 ℃ (step control by +0.5℃)
• Ambient – 0~50℃
• Protection Class – IP30
• Relative Humidity – 85%
• Housing – ABS to UL94-5 fire retardant plastic

Displays & Buttons

Parameter Settings

Under power off mode, to access MENU mode, please press M and + buttons simultaneously for 3 seconds until the MENU appear showing 01 which is menu 1 and Each press of the M button will go to the next MENU.

Working modes selection
Please press “M” button to select comfort mode, energy-saving mode, and Programmable mode Then thermostat can run at your desired mode.

Clock & 5+1+1 Programmable mode setting

• Long press “ ” button for 5 seconds to enter clock time setting and 5+1+1 programmable mode setting
• press “+” and “-“to adjust the clock (min-hour-weekday), each press of will go into next time setting
  After clock adjustment, press to 5+1+1 mode setting. By pressing “+” and “-“, you can set the desired time and temp. of each period and each mode. (Weekday- period- time- temp.) Each press of a button will go into next item setting.

Wiring Diagram

Lock/Unlock Explanation

• This thermostat has two lock modes, the user can press M and simultaneously to unlock after lock.
• Mode 1:All buttons are locked except “+” and “-” button(factory default set)
• Mode 2:All buttons can be Locked/Unlocked from RS485 Modbus.

Dimension & Installation

MODBUS RTU
IN OFF Mode, press M and + buttons simultaneously for 10 seconds to get the Modbus address

For example：

• On commander code： id 06 9c 40 00 55 CRC1 CRC2
• Off commander code： id 06 9c 40 00 aa CRC1 CRC2
• Read Temp. commander code： id 03 9c 43 00 01 CRC1 CRC2
• Write Eco-Setting Temp. commander code ： id 06 9c 46 TH TL CRC1 CRC2

REFERENCE:

DOWNLOAD MANUALS:

Hotowell HTW-31-H17 Under-Floor Heating Thermostat User Manual

Hotowell HTW-31-H17 Under-Floor Heating Thermostat User Manual