Room thermostat with KNX communications‚ AC 24 V‚ for fan coil units and universal applications‚ heat pump‚ fan (1-/ 3-speed‚ DC)‚ valves (2-point‚ DC)

• KNX communications
• For applications with DC control outputs and DC or 3-speed fan output
• For applications with 2-position control output with DC fan output
• 3 multifunctional inputs for keycard contact‚ external room / return air temperature (QAH11.1‚QAA32)‚ heat / cool changeover‚ operation mode changeover‚ window contact on/off‚ dewpoint monitor‚electrical heater enabled‚ fault contact
• Operating modes: Comfort, Economy and Protection
• Automatic or manual EC fan or 1-/3-speed
• Automatic or manual heating / cooling changeover
• Adjustable commissioning and control parameters
• Minimum and maximum setpoint limitation
• Backlit display

Application selectable:

• 2-pipe system
• 2-pipe system with electrical heater
• 2-pipe system and radiator / floor heating
• 4-pipe system
• 2-stage heating or cooling system

Data sheet                                      N3191

Operating voltage                           AC 24 V

Switching differential                       Heating: 0.5…6 K

                                                        Cooling: 0.5….6 K

Setpoint setting range                     5…40 °C

Analog inputs‚ number                    2

Digital inputs‚ number                     1

Relay outputs‚ number                    3

Relay outputs                                  Valve‚ compressor or el. heater: 2 outputs‚ 2-position

                                                        Fan: 1- or 3-speed

Relay output‚ switching voltage       AC 24…230 V

Relay output‚ switching current       5 (4) A

Analog outputs, number                  3

Analog outputs                                   Valve, el. Heater: 2

                                                        Fan: 1 (ECM)

Analog output, signal                      DC 0…10 V

Type of fixing                                  Wall mounting with screws

Degree of protection                       IP30

Dimensions (W x H x D)                 93 x 128 x 30,8 mm

Communication                              Bus: KNX (S-Mode und LTE-Mode mit Synco 700)