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Data Sheet

Danfoss Icon™ Programmable

Room Thermostats, 230 V

Description

Ordering

Accessories

Danfoss Icon™ Programmable 088U1021

Danfoss Icon™ is a range of flush and surface mounted room thermostats for hydronic floor heating applications.

Danfoss Icon™ Programmable is mains powered and can be used as a stand-alone thermostat or in combination with wiring center 088H001600.

The thermostat uses a triac output and can control up to 5 thermal actuators.

The user can choose between 7 pre-defined heating schedules. A schedule can be temporarily overrided by using the three mode keys.

The thermostat can also operate without scheduling (constant room temperature setpoint).

The thermostat uses forecast (adaptive learning).

The thermostat uses a “touch on glass” interface with a shine through display. The display is “OFF” in normal operation.

Danfoss Icon™ Programmable 088U1025

Features

•Accurate PWM-control

•Shine through display with mode keys

•7 pre-defined schedules and forecast

•Range limitation via user menu

•Neutral design and simple user interface

•Frost protection setting

•Can be used with 230 V NC or NO actuators

•Can be optimized for different heat sources via service menu

•Valve exercise feature

•Can be used in systems with cooling

•Has input for global setback

•Can be used with floor sensor (optional)

•Very high UV-resistance

Product	Version	Size	For junction box	Code no.
Danfoss Icon™ Programmable	In-wall	86 x 86 mm	Square, 70x70 mm	088U1021
Danfoss Icon™ Programmable	On-wall	86 x 86 mm	N.A.	088U1025

Product	Description	Code no.
Danfoss FH-WC, 230V	Wiring center, 8 channels, up to 16 outputs	088H001600
Danfoss Icon™ Floor Sensor	47 kΩ, 3 m, IP 67	088U1110

VDSUD212

© Danfoss | FEC | 2019.03 | 1

	Data Sheet	Danfoss Icon™ Programmable Room Thermostats, 230 V
	Technical specifications
		Type	Electronic thermostat with touch user interface
		User interface	Capacitive touch and shine through display
		User interface features	Heating icon, arrow up/down, confirm key, back
			key, Home, Away, Night, Settings
		Display type	Hybrid: red single LED’s and custom segment
		Display features	Switches OFF after 10 sec. with no interaction
			Yes, std. Gregorian calendar.
		Real time clock	8 hrs. running reserve (new product) down to 1.5
			hrs. running reserve in year 10 after installation.
		Automatic daylight saving time	Standard, can be turned off
		Heating schedules	7 x pre-defined schedules (P0-P6)
			5/2 days (weekdays and weekends)
		Temperature setting range	5 °C to 35 °C (frost protection setting = 5 °C)
		Ambient temperature, storage	-20 °C to +60 °C
		Ambient temperature, used in application	0 to +40 °C
		Controller, type	Adjustable Pulse Width Modulation
		Change over, cooling	Yes, via 230 V input terminal
		Global setback/Away	Yes, via 230 V input terminal
		Max. continuous load (output)	< 50 mA /10 W (= 5 pcs. Danfoss TWA actuators)
		Max. inrush current (actuator)	3 A ≤ 100 ms
		Power consumption	0,2 W
		Power supply (excl. actuators)	220-240 V, 50/60 Hz
		Sensor, room	NTC 47 kΩ
		Sensor, floor (optional)	NTC 47 kΩ, 3 m, IP 68
		Shell material	White parts: PC ASA
			Grey parts: PC, 10% glass
		IP and Protection class	IP: 21		Protection class: II
		ErP class	(2%)
		Approval	CE, RohS, WEEE
		Colour	White RAL9010 / Dark Grey RAL7024
		Dimensions, in-wall versions	86 x 86 x 11 mm (088U1021)
		Dimensions, on-wall version	86 x 86 x 25 mm (088U1025)

2 | © Danfoss | FEC | 2019.03

VDSUD212