Danfoss FH-CWP Installation guide

Instruction
FH-CWP Thermostat

Instruction FH-CWP Thermostat

Index

1. Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2. Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3. Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4. Manual Operating Mode (factory setting) . . . . . . 5

5. ON/OFF Timer Function. . . . . . . . . . . . . . . . . . . . . . . . 6

6. Advanced Programmable Timer Function . . . . . . 7

7. Choosing room temperature control or both

room and floor temperature control. . . . . . . . . . . . 10

8. Maximum floor temperature protection . . . . . . . . 11

9. Frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

10. Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

11. Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . 13

12. Figures and illustrations . . . . . . . . . . . . . . . . . . . . . . . 16

IMPORTANT!
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.C2.02 Produced by Danfoss Floor Heating Hydronics 05.2011

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Instruction FH-CWP Thermostat

1. Functional Overview

Front - fig. 1

 Push button
 Push button M
 Push button
 Up/down selectors

Back - fig. 2

Screw hole for flush mounting 
Terminals for cable mounting 

Symbols in the display - fig. 3

Room Sensor
Floor Sensor
Actual temperature indication

Clock

Floor heating – Active

Set Room temperature
Set Floor temperature

ON/OFF Timer Function (Active or being

SET)

Indication that timer is ON or OFF

Advanced Programmable Timer Function

(Active or being SET)

Frost Protection – (Active or being SET)

Su. Actual weekday

Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.C2.02

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Instruction FH-CWP Thermostat

2. Mounting

Placing the Room Thermostat - fig. 4 

! Wherever possible, the room thermostat should be
installed where the effects of sunlight, draught, and
other heaters (eg. TV’s), etc. are avoided.

3. Installation

Installing the Room Thermostat- fig. 5 and fig. 6

• Remove the connection cable between front and

back part.

• Connect the thermostat correctly to mains supply

according to the Wiring Diagram - fig 6.

• Mount the thermostat by using the enclosed

screws to the wall box.

• Mount the front correctly.

Wiring Diagram – fig 6

The product must be connected to the following
leads:

• Term L: Phase (L) AC85-250V, 50/60 Hz

• Term NO: Valve (NO)

• Term NC: Valve (NC)

• Term N: Neutral (N)

• Term 2: Empty

• Terminal S2: Floor sensor

• Terminal S1: Floor sensor

VI.CU.C2.02 Produced by Danfoss Floor Heating Hydronics 05.2011

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Instruction FH-CWP Thermostat

4. Manual Operating Mode
(factory setting)

Turn the thermostat ON or OFF by pressing Fig. 1.

Selecting Manual Mode
Turn ON the thermostat by pressing Fig. 1.

• Press M for 3 seconds - Fig.1.

• Select 01 = Manual Mode via Fig. 1.

Setting the Clock Fig. 3
Su. Mo. Tu. We. Th. Fr. Sa.

• Press Fig. 1 shortly, hour will flash.

• Use Fig. 1 to select the hour.

• Press Fig. 1 again, minutes will flash.

• Use Fig. 1 to select the minutes.

• Press Fig. 1 shortly, actual weekday will flash.

• Use Fig. 1 to select the day of the week.

Displaying the Room Temperature Fig. 3

• The actual room temperature is shown in the
display as default .

Setting and changing the desired Room
Temperature

• Press or Fig. 1 anytime to change the desired
room temperature value, is shown in the
display.

Produced by Danfoss Floor Heating Hydronics 05.2011 VI.CU.C2.02

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Instruction FH-CWP Thermostat

• When releasing the or Fig. 1 the display
returns to showing the actual room temperature

.

5. ON/OFF Timer Function

The ON/ OFF timer function allows you to program
the thermostat for one period with heating turned
OFF and one period with heating turned ON per day.
During the ON period the thermostat will regulate in
relation to the set temperature and TIMER ON will be
shown in the display. During the OFF period, the heat
is off, and TIMER OFF is shown in the display.
Turn ON the thermostat by pressing Fig. 1.

Selecting the Simple ON/OFF Timer Mode

• Press M Fig.1 for 3 seconds.

• Select 02 = Setting an ON/OFF timing, via Fig.
1 is shown in the display.

Setting the Clock Fig. 3
Su. Mo. Tu. We. Th. Fr. Sa.

• Press Fig. 1 shortly, hour will flash.

• Use Fig. 1 to select the hour.

• Press Fig. 1 again, minutes will flash.

• Use Fig. 1 to select the minutes.

• Press Fig. 1 shortly, actual weekday will flash.

• Use Fig. 1 to select the day of the week.

VI.CU.C2.02 Produced by Danfoss Floor Heating Hydronics 05.2011

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