Semi Flush-mount room thermostat for rectangular conduit box with KNX

communications‚ for VAV application

Semi Flush-mount room thermostat for VAV application

• KNX communications
• Output for a DC 0…10 V actuator and AC 230V electrical heater (ON-OFF)
• 2 multifunctional inputs for key card contact‚ external room / return air temperature (QAH11.1‚QAA32)‚ heat / cool changeover‚ window contact on/off‚ dewpoint monitor‚ electrical heater enabled‚ fault contact
• Operating modes: Comfort‚ Economy and Protection
• Modulating PI control
• Control depending on the room or the return air temperature
• Automatic or manual heating/cooling changeover
• Adjustable commissioning and control parameters
• Minimum and maximum setpoint limitation
• Adjustable minimum and maximum limitation for air flow signal DC 0...10V
• Output signal inversion as an option

Application selectable:

• Single-duct system
• Single-duct system with electrical heater

Operating voltage                           AC 24 V

Setpoint setting range                     5...40 C

Analog inputs‚ number                    2

Analog outputs‚ number                  1

Analog output‚ signal                       DC 0...10 V

Analog output‚ current                     Max. ±1 mA

Relay outputs‚ number                    1

Relay outputs                                  N.O. contact, potential-free

Relay output‚ switching voltage      AC 230 V

Relay output‚ switching current      Max. 5 (2) A

Type of fixing                                  Recessed rectangular conduit box BS4662 (ARG71) with fixing

                                                        centres of 60,3 mm

Degree of protection                       IP30

Dimensions (W x H x D)                 86 x 86 x 57 mm