Danfoss FH-CWD Instruction
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Instruction
FH-CWD Thermostat

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Summary of Contents for Danfoss FH-CWD

  • Page 1 Instruction FH-CWD Thermostat...
  • Page 2: Table Of Contents

    Protect the thermostat from dirt, fluids, concrete and do NOT insert any objects into it. Do not cover the thermostat, for instance by hanging towels directly in front of it. Installation must be done by an authorized electrician. VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011...
  • Page 3: Functional Overview

    Floor heating – Active Frost Protection – Active 2. Mounting ! Wherever possible, the room thermostat should be installed where the effects of sunlight, draught, and other heaters (eg. TV’s), etc. are avoided. Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.B2.02...
  • Page 4: Installation

    • Term 2: Empty • Terminal S2: Floor sensor • Terminal S1: Floor sensor 4. General usage Turn ON/OFF the Room Thermostat Fig. 1  • Turn the thermostat on or off by pressing VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011...
  • Page 5: Choosing Room Temperature Control Or Both Room And Floor Temperature Control

    02=both room and floor temperature control, with room sensor and floor sensor, check and setting room temperature and maximum floor temperature limit. Factory setting is 01. Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.B2.02...
  • Page 6: Maximum Floor Temperature Protection

    • Release M Fig.1 , and the display shows • Press Fig. 1 to set the desired maximum floor temperature limit. • Wait 5 seconds for the thermostat to exit SET mode and power off. VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011...
  • Page 7: Frost Protection

    E1 will be displayed when room sensor failure. E2 will be displayed when floor sensor failure. E2 will be read when pressing M Fig. 1  to check floor temperature. Any case, all relay output would be turned off. Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.B2.02...
  • Page 8: Technical Specifications

    < 5 °C heating on > 7 °C heating off Ambient - 10 °C – 60 °C temperature Precision ±1 °C Hysteresis 1 °C, symmetrical around the setpoint temperature IP class LCD backlight/ nightlight VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011...
  • Page 9 85-250Vac 50/60Hz Power backup Retains settings in case settings of power cut saved on memory chip Sensor, floor Optional, 2 terminals (S1, S2) for external sensor mounting. Sensor type NTC 10K accuracy: ±1% Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.B2.02...
  • Page 10 Sensor, floor 20-45 °C - set range Sensor, room NTC 100K accuracy: ±1% Sensor, room 5-35 °C - set range Shell material/ non 94V0/ Yes inflammable Shell material, type ABS+PC Static protection VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011...
  • Page 11 Instruction FH-CWD Thermostat Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.B2.02...
  • Page 12: Figures And Illustrations

    Instruction FH-CWD Thermostat Fig. 1    Fig. 2      VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011...
  • Page 13 Instruction FH-CWD Thermostat Fig. 3 Fig. 4 Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.B2.02...
  • Page 14 Instruction FH-CWD Thermostat Fig. 5 Fig. 6 FH-CWD AC85 ~ 250V 50/60 Hz Remote Floor Sensor VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011...
  • Page 15 Instruction FH-CWD Thermostat Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.B2.02...
  • Page 16 www.heating.danfoss.com...

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