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Danfoss RET230 Electronic Heat Cool Thermostat Instruction Manual

RET 230 HCW-3  
Electronic Heat / Cool thermostat with  
auto-changeover based on water temperature  
Installation Instructions  
User Instructions  
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Anweisungen für Installati  
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GeneralDetails
NameDanfoss RET230 Electronic Heat Cool Thermostat Instruction Manual
MakeDanfoss
LanguageEnglish
FiletypePDF (Download)
File size0.66 MB
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Danfoss RET230 Electronic Heat Cool Thermostat Instruction Manual
Get the free PDF manual for the Danfoss RET230 Electronic Heat Cool Thermostat Instruction Manual and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

Danfoss RET230 Manual: Questions and Answers

Can the Danfoss RET230 work with a 2-pipe fan coil system?

Yes. The thermostat is specifically designed for 2-pipe fan coil systems served by a central changeover system. It controls a motorized valve and automatically switches between heating and cooling based on flow pipe temperature. Instruction Manual, p. 4

What do the LED lights mean on a Danfoss RET230 thermostat?

Green LED indicates power. Orange LED shows the fan is running. Green LED during heating or cooling signals active demand.

LED colorMeaning
Green (steady)Thermostat is powered
OrangeFan is running
Green (during heating/cooling)Heating or cooling demand active

Instruction Manual, p. 10

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