Assortment / System Description

Synco 700 ancillary units

Room unit QAW740

The QAW740 room unit (see Data Sheet N1633) is a multifunctional device with

KNX bus connection facility and direct power supply via the bus. The LCD shows:

• The room temperature

• The room operating mode

• Faults

• The remaining time of Comfort mode extended via the "Timer" function

The room unit has operating elements which can be used for interfering with the

functions of the Synco controls. The commands are transmitted to the controllers of

the same geographic zone (same zone address) via the KNX bus.

• Setting knob for room temperature setpoint readjustment (relative)

Command to the controller: Room temperature control according to the

readjusted setpoint

• "Mode" button for changeover of operating mode

Command to the controller: Changeover to the preselected operating mode and

control to the respective room temperature setpoint

• Timer button for "Timer" function

Command to the controller: Maintain Comfort mode during the set period of time,

even if the time program calls for Precomfort or Economy mode

Note: Room unit QAW740 is not suited for use with the RXB/RXL room controllers.

Operator units RMZ790 and RMZ791

The RMZ790 and RMZ791 operator units (see Data Sheets N3111 and N3112) are

used to configure, commission and operate the Synco 700 controls RM.. and to

display process values, operating and plant states, plant and device faults.

• Information and setting level for users (without access protection)

• 2 setting levels for service and commissioning (with access protection)

• Information in cleartext (presently 23 languages)

• Fast access to current plant data

• Backlit LCD (easy to read, even if light conditions are unfavorable)

• Select-and-push knob for navigation and settings. This means: Select (turn)

 select menu line and push to confirm, then select (turn)  set the value

and push to confirm

The RMZ790 operator unit plugs into the controls with no need for using a tool.

Operator unit RMZ790

Brief description

Operator unit RMZ790