Danfoss FH-CWD Installation guide

Instruction

FH-CWD Thermostat

	Instruction FH-CWD Thermostat
Index
1.	Functional Overview................................................	3
2.	Mounting......................................................................	3
3.	Installation...................................................................	4
4.	General usage.............................................................	4
5.	Choosing room temperature control or
	both room and floor temperature control.......	5
6.	Maximum floor temperature protection...........	6
7.	Frost protection..........................................................	7
8.	Error messages...........................................................	7
9.	Technical Specifications..........................................	8
10.	Figures and illustrations..........................................	12

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.

2	VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011

Instruction FH-CWD Thermostat

1. Functional Overview

Front - fig. 1

 Push button  Push button M

 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

Temperature indication

Set Room temperature

Set Floor temperature

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

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Instruction FH-CWD Thermostat

3. Installation

Installing the Room Thermostatfig. 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

4. General usage

Turn ON/OFF the Room Thermostat Fig. 1 

• Turn the thermostat on or off by pressing .

4	VI.CU.B2.02 Produced by Danfoss Floor Heating Hydronics 05.2011

Instruction FH-CWD Thermostat

Display of Room Temperatures - fig. 3

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

Setting of Room Temperature Fig. 1 

•Press the to set the desired room temperature value, is shown in the display.

•When releasing the selector the display returns to actual room temperature .

5.Choosing room temperature control or both room and floor temperature control

Turn OFF the thermostat by pressing Fig. 1 .

•Press and hold Fig. 1 for 10 seconds. The display will show 01.

•Press Fig. 1 to adjust desired controltype. 01=room temperature control, only with room sensor, no floor sensor, check and setting only room temperature.

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

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