Danfoss BasicPlus2 WT-DM User manual

User Guide
BasicPlus2WT-DM
Room Thermostats for Floor Heating
www.heating.danfoss.com

User Guide BasicPlus2WT-DM Room Thermostats
2Danfoss Floor Heating Hydronics 06/2016
1 Functional Overview
Symbols Function description Symbols Function description
SET
M
<>
Room temperature Away mode
Floor temperature Child safety lock
Temperature indication Power ON/OFF
SET
Set temperature M
Mode change/check oor
temp./child safety lock/
parameters setting
Floor heating, Active < > Up/down selectors
Frost protection, Active
2 Power ON/OFF
Turn the thermostat ON or OFF by pressing .
3 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.
4 Select Away Mode
• Press Mto enter Away mode and will be displayed.
• Press <or >. SET appears; set the Away mode setpoint.
• Press Magain to exit Away mode.
5 Check Floor Temperature
• Press Mand hold. Press <within 6 seconds.
• ashes and the current oor temperature is displayed. Operate again, then exit (automatic exit after 6
seconds with no operation).
6 Child Safety Lock
• Press Mand hold. Press >within 6 seconds to lock all buttons.
• Press again to exit the child safety lock.

User Guide BasicPlus2WT-DM Room Thermostats
06/2016 Danfoss Floor Heating Hydronics 3
7 Set Control Parameters
Press Mbutton for 6 seconds to enter the parameter setting mode. Press Mfor parameter selection and set the
parameter range via <or >. The upper digits indicate the parameter number. Complete all adjustments.
To exit the parameter setting mode, wait for automatic exit (30 seconds).
The digits indicate the set value as follows:
No. Parameter settings Settings range Default
WT-DM
P01 Working mode
(Will not show on the display)
01: Manual
02: Advanced Programmable Timer NA
P02 Temperature control mode
01: Only room temp.;
02: Room and oor temp.;
03: Only oor temp.
01
P03 High room temp. limit 5-35° C (only for 01 and 02 in P02) 30° C
P04 Low room temp. limit 5-35° C (only for 01 and 02 in P02) 5° C
P05 Floor temp. limitation mode 01: High temp. limitation;
02: Low temp. limitation (only for 02 in P02) 01
P06 Floor temp. limitation setpoint 20-45° C (only for 02 in P02) 35° C
P07 High oor temp. limit 20-45° C (only for 03 in P02) 35° C
P08 Low oor temp. limit 20-45° C (only for 03 in P02) 20° C
P09 Frost protection 01: Enable; 02: Disable 01
P10 Frost protection setpoint 5-17° C 5° C
P11 Timer display option
(Will not show on the display) 01: 24 h; 02: 12 h NA
P12 Room temp. display option at
shutdown
01: No display current temp.;
02: Display current temp. 01
P13 MODBUS slave address 1 to 64 01
P14 MODBUS baud rate 00: 4800
01: 9600 00
P15 MODBUS parity check
00: No check
01: Odd check
02: Even check
01
P03 to P08 appear on relevant temperature control mode.
8 Error Messages
E1 Room sensor failure
E2 Floor sensor failure
EE EEPROM failure
Lo Temperature lower than 0° C
Hi Temperature higher than 50° C
All relay output will be turned o in all cases.

User Guide BasicPlus2WT-DM Room Thermostats
Danfoss Floor Heating Hydronics 06/2016
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This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.
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