Easy User Guide
RET2001OT
Digital OpenTherm™ Room Thermostat
BC337370343702en-000101 | 087R1002 |
www.danfoss.com |
Introduction
The RET2001OT room thermostat varies the heat output of an OpenTherm compatible condensing boiler by modulating the boiler flame. This improves boiler efficiency and maintains economical condensing mode whenever possible.
Daily use is as easy as setting the thermostat to the required temperature, the advanced electronics and software within the thermostat establishes two-way communication with the boiler to ensure optimal operation.
What is a room thermostat?
A room thermostat controls the heating in your home by keeping it at the temperature you have set. Room thermostats switch off the heat when the temperature reaches a set point, and switch it on when it falls below. The heating will not come on if the room temperature is above the room thermostat set temperature.
Remember that turning the thermostat up will not heat the room any faster. The higher the thermostat setting the more gas you will use.
Setting the Temperature
a.Press or
at any time to change the desired temperature value. SET is shown in the display.
b.When releasing the or
, the display returns to showing the actual temperature.
Holiday Mode
Holiday Mode selects the Holiday comfort temperature typically when the home is unoccupied during the day.
a.Press M to enter into Holiday mode and will be displayed.
b.Holiday mode temperature can be set in User settings, option 07.
c.Press M again to exit Holiday mode.
Display and Navigation Details
Display and Navigation Details
Symbols |
Function description |
Symbols |
Function description |
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Parameter number |
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Frost protect active |
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in setup |
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Room temperature |
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Holiday mode |
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Temperature |
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Power on/off |
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indication |
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SET |
Set temperature |
M |
Mode change / |
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option setting |
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Heating active |
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Temperature / option |
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setting selectors |
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Frost Protection Temperature and Reset
a.You can switch the thermostat is turned OFF(Standby) mode
by alternately pressing . In OFF(Standby) mode thermostat is set to a Frost Protection temperature setting and will switch On only if the measured temperature falls below this temperature
(5 °C by default).
b.The frost protect icon and current temperature will be display.
c.At this point if button is press for 10 seconds. Continuously then thermostat will be reset.
User Settings
a.Press M button for 6 seconds to enter the parameter setting mode. Press M for parameter selection and set the parameter range via or
. Complete all adjustments.
b.To exit press the upper part of the setting ring, or it will automatically exit after 20 seconds when no button is pressed.
No. |
Parameter settings |
Settings range |
Default |
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04 |
Temperature limit high |
Between low (05) and 35 °C |
35 °C |
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05 |
Temperature limit low |
Between 5 |
°C and high (04) |
5 °C |
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06 |
Frost protect temperature |
Between 5 |
°C and 15 °C |
5 °C |
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07 |
Holiday mode temperature |
Between low (05) and high (04) |
18 °C |
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Danfoss A/S
Heating Segment • danfoss.com • +45 7488 2222 • E-mail: heating@danfoss.com
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.
All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
© Danfoss | FEC | 03.2020 |
087R1002 |