Control parameters
To change control parameters, proceed as follows:
1. Press left and right buttons simultaneously for 3 seconds or until device beeps if buzzer function is
enabled (P030).
2.
Service level
: Release and within 0.5…4 seconds, press the right button again until “P001” is
displayed.
Expert level
: Release and within 0.5…4 seconds, press the left button again until the temperature
disappears. Turn the rotary knob counterclockwise minimum ½ rotation.
P050
displays.
3. Select the required parameter by turning the rotary knob.
4. Press button (OK). The current value of the selected parameter flashes and can be changed by
turning the rotary knob.
5. Press button (OK) to confirm the adjusted value, or (Esc) to cancel the change.
To adjust additional parameters, repeat steps 3 through 5, or press (Esc) to quit parameter setting
mode.
Note: If password protection (needs to be done by HVAC installer) is enabled, users must enter the password to open
parameter setting mode. If the password is mistyped 5 times, the thermostat is locked and the password cannot be
entered for 5 minutes. Symbols
and
are displayed.
Parameter list
No. Description
Factory setting
Setting range
Adj.
!
P001 Control sequence
2-pipe:
1 = Cooling only
4-pipe:
4 = Heating and
cooling
0 = Heating only
1 = Cooling only
2 = H/C changeover auto
3 = H/C changeover manual
4 = Heating and cooling
P002 Operation via room operating mode
selector
1
1 = Auto ** (Comfort) – Protection
2 = Auto ** - Comfort - Economy - Protection
3 = Auto ** (Comfort) - Protection Hospitality
P003 Operation via fan operating selector
0
0 = Auto - Manual
1 = Manual
2 = Auto - Manual - Protection
3 = Auto – Protection
P004 Unit
0
0 = °C (parameter in °C)
1 = °F (parameter in °F)
P006 Measured value correction
0 K
-5…5 K
P007 Humidity value correction
0
-10…0…10 %
P008 Standard display
0
0 = Room temperature
1 = Setpoint
P009 Additional display information
0
0 = --- (No display)
1 = °C and °F
2 = Outside temperature (via bus)
3 = Time of day (12 h) (via bus)
4 = Time of day (24 h) (via bus)
5 = Humidity
P010 Setpoint concept
1
1 = Comfort concept
2 = Energy saving concept
P011 Comfort basic setpoint
21 °C (70 °F)
5…40 °C (41…104 °F)
P013 Comfort setpoint minimum
5 °C (41 °F)
(P010 = 1): 5 °C (41 °F)...P016-1 K
(P010 = 2): 5 °C (41 °F)...P014-1 K
P014 Comfort setpoint maximum heating
21 °C (70 °F)
P013+1 K…P015-1 K
P015 Comfort setpoint minimum cooling
25 °C (77 °F)
P014+1 K…P016-1 K
P016 Comfort setpoint maximum
35 °C (95 °F)
(P010 = 1): P013+1 K...40 °C (104 °F)
(P010 = 2): P015+1 K...40 °C (104 °F)
P019 Economy heating setpoint
15 °C (59 °F)
OFF (0), 5 °C…P020 (41 °F…P020)
P020 = 40 °C max. (P020 = 104 °F max.)
P020 Economy cooling setpoint
30 °C (86 °F)
OFF (0), P019…40 °C (P019…104 °F)
P019 = 5 °C min. (P019 = 41 °F min.)
P024 Humidity setpoint high
50
OFF (0), P026 or 20…90 %
P026 Humidity setpoint low
OFF
OFF (0), 20…90 % or P024
P027
*** Electric heater when cooling
ON
ON = Enabled
OFF = Disabled
P028 Keypad
0
0 = Unlocked
1 = Auto lock
2 = Manual lock
3 = Lock the operating mode
4 = Lock the Setpoint shift
5 = Lock fan speed
6 = Lock operating mode and setpoint shift
7 = Lock operating mode and fan speed
8 = Lock setpoint shift and fan speed
P029 Fan: Dead zone Comfort mode
0
0 = Fan disable
1 = Low speed (Heat and Cool)
2 = Low speed (Cooling only)
3 = Fan disable Auto & Manual
4 = Low speed (Heat and Cool) Auto &
Manual
5 = Low speed (Cooling only) Auto & Manual
P030 Buzzer function
ON
ON = Enabled
OFF = Disabled
** When no time schedule via KNX exists, Auto equals Comfort.
*** Parameter P027 is displayed only for application 2-pipe with electric heater.
All temperature settings are in increments of 0.5 °C.
!
Remember to record all changes!
Issued by
Siemens Switzerland Ltd
Smart Infrastructure
Global Headquarters
Theilerstrasse 1a
CH-6300 Zug
Tel. +41 58 724 2424
www.siemens.com/buildingtechnologies
© Siemens Switzerland Ltd, 2020
Technical specifications and availability subject to change without notice.
A6V11545973_en--_a
A5W00031435A_AA
2020-09-07
Siemens Smart Infrastructure
