Danfoss RET2001 Manuel utilisateur

User Guide

RET2001

Digital Room Thermostat

www.heating.danfoss.com

User Guide RET2001 Digital Room Thermostats

2Danfoss Heating VUSUD102 08/2020

1 LCD Overview

Symbols Function description Symbols Function description

Parameter number

insetup Frost protect active

Room temperature Away mode

Temperature indication RF Status

(RET2001RF only)

SET

Set temperature

Battery low indicator

(RET2001B & RET2001RF

only)

Heating active

2 Buttons

Symbols Function description

Power on/o

MMode change / option

setting

< > Temperature / option

setting selectors

3 Power ON/OFF

Turn the thermostat ON or OFF (Standby) by pressing .

4 Setting the Temperature

• Press <or >at any time to change the desired temperature value. SET is shown in the display.

• When releasing <or >, the display returns to showing the actual temperature.

• The adjustment step is 0.5 °C.

5 Select Away Mode

• Press Mto enter Away mode and will be displayed.

• Away mode temperature can be set in parameter settings, P07.

• Press Magain to exit Away mode.

User Guide RET2001 Digital Room Thermostats

Danfoss Heating VUSUD102 08/2020 3

6 Frost Protection Temperature and Reset

• You can switch the thermostat OFF (Standby) by alternately pressing . In OFF (Standby) mode, thethermo-

stat is set to a Frost Protection temperature setting and will switch On only if the measured temperature falls

below this temperature (5 °C by default).

• The frost protect icon and current temperature will be displayed.

• At this point, if the button is pressed for 10 seconds Continuously then the thermostat will be reset.

7 Set Control Parameters

• Press M button for 6 seconds to enter the parameter setting mode. Press M for parameter selection and set

the parameter range via < or >. Complete all adjustments.

• To exit press upper part of setting ring or wait 20 secs for automatic exit.

The digits indicate the set value as follows:

No. Parameter settings Settings range Default

P02 Heat control mode 01: On/o load compensation

02: On/o standard 01

P04 Temperature limit high Between low (P05) and 35 °C 35 °C

P05 Temperature limit low Between 5 °C and high (P04) 5 °C

P06 Frost protect temperature Between 5 °C and 15 °C 5 °C

P07 Away mode temperature Between low (P05) and high (P04) 18 °C

P10 RF Pairing (RET2001RF only) 00: RF pairing mode o

01: RF pairing mode on 00

8 Error Messages

E1 Sensor failure

EE EEPROM failure

Lo Measured temperature below 0 °C

Hi Measured temperature above 50 °C

E3 RF Pairing failed

E4 RF Signal lost

User Guide RET2001 Digital Room Thermostats

Danfoss Heating VUSUD102 | BC306935120286EN-000102 08/2020

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