background image

6

Installation and start-up

KNX K8 actuator

 • Version: 26.02.2016 • Technical Changes and Errors excepted.

Buttons

LEDs

Behaviour of the LEDs for the output channels
in Automatic mode:

in Manual mode:

brief button press (<0,5 s)

LED shows current status (see ETS parameter: Channel 
LED)

button press >0,5 s

in Automatic mode:

 Switching to Manual mode

in Manal mode: 

Switching from manually ON to 

manually OFF and reverse

long button press (>3 s)

Switching to Automatic mode (when activated in ETS)

Off

Actuating variable = 0%

On

Actuating variable > 0%

Flashes slowly

Manually OFF

Flashes fast

Manually ON

Summary of Contents for KNX K8

Page 1: ...Installation and Adjustment EN KNX K8 Actuator for Heating and Cooling Item number 70321...

Page 2: ...on notes 4 2 2 Device connection and design 5 2 3 Notes on mounting and commissioning 5 2 3 1 Buttons and LEDs for the output channels 5 3 Transmission protocol 7 3 1 List of all communications object...

Page 3: ...eshooting of the device must only be carried out by a competent electrician Safety advice Safety advice for working on electrical connections components etc DANGER indicates an immediately hazardous s...

Page 4: ...ors with automatic controls for the heating and cooling controls one or two step heating and cooling 8 output channels 230 V AC 8 Watt per output with pulse width modulation control PWM for actuators...

Page 5: ...it against unintentional use if it can be assumed that risk free operation is no longer guaranteed The device is only to be used for its intended purpose Any improper modification or failure to follo...

Page 6: ...s During this phase no information can be received or sent via the bus 2 3 1 Buttons and LEDs for the output channels The buttons on the devices can be deactivated in the ETS active when delivered 1 P...

Page 7: ...ode brief button press 0 5 s LED shows current status see ETS parameter Channel LED button press 0 5 s in Automatic mode Switching to Manual mode in Manal mode Switching from manually ON to manually O...

Page 8: ...al Input Output 5 002 C R W T 6 Channel 2 Block Input 1 001 K S 7 Channel 3 Control Status Input Output 5 001 C R W T 8 Channel 3 Auto Manual Input Output 5 002 C R W T 9 Channel 3 Block Input 1 001 K...

Page 9: ...84 112 140 168 196 224 TC_X_ Frost heat activation Input 1 003 C R W T 29 57 85 113 141 169 197 225 TC_X_ Blocking object Input 1 003 K S 30 58 86 114 142 170 198 226 RC_X_ Current set point Outp ut...

Page 10: ...0 238 TC_X_ Set point eco cooling Input Outp ut 9 001 C R W T 43 71 99 127 155 183 211 239 TC_X_ Set point eco cooling 1 0 Input 1 002 K S 44 72 100 128 156 184 212 240 TC_X_ Control variable heating...

Page 11: ...ether an auxiliary voltage is used for the device Set the parameter to no if the LED is to remain off at all times Set basic characteristics of data transfer Select which channels and temperature cont...

Page 12: ...lues are selected for 1 On and 0 Off When controls are effected via a 8 bit object fixed output values are selected for not 0 On and 0 Off For controls via an 8 bit object with pulse width modulation...

Page 13: ...ctivated If manual operation is activated manual mode becomes active when a key is pressed on the device or respective information is received via the Channel X Auto Manual object Actuating variable H...

Page 14: ...actuators 4 4 1 General regulation For an adequate regulation of the indoor temperature comfort standby eco and building protection modes may be used Comfort when present Standby during short absences...

Page 15: ...Default Then configure a block of the temperature control by the blocking object Determine when the current settings of the controls are to be transmitted to the bus Periodic transmission is safer if...

Page 16: ...cations may only remain active temporarily do not save or remain saved even after voltage recovery and programming This also applies to a comfort extension Send status objects on change on change to 1...

Page 17: ...tandby Standby mode is usually used for daytime mode when people are absent If set point values are entered separately A starting set point value is defined as well as a temperature range in which the...

Page 18: ...operating devices etc The building protection mode may be activated with delay which allows you to leave the building before the controls switch to frost heat protection mode General variables This se...

Page 19: ...individual input of the parameters for PI control Determine the deviation from the set point value which reaches maximum variable value i e the point at which maximum heating power is activated The re...

Page 20: ...the control is blocked Set a value greater 0 OFF to receive a basic heating level e g for floor heating Upon release the control variable follows the rule again In case of a common variable for heati...

Page 21: ...to either enter control parameters or select predetermined applications On the 2nd level therefore only in case of a 2 level cooling cooling is controlled via a PI or a 2 point control On level 2 the...

Page 22: ...ating and cooling 0 is always transmitted as a fixed value PI control with predetermined application This setting provides fixed parameters for a cooling ceiling Now determine what should be transmitt...

Page 23: ...uld be transmitted when the control is blocked Upon release the control variable follows the rule again In case of a common variable for heating and cooling 0 is always transmitted as a fixed value Co...

Page 24: ...GmbH Control and AutomationTechnology Sohlengrund 16 75395 Ostelsheim Phone 49 0 7033 30945 0 info elsner elektronik de Germany Fax 49 0 7033 30945 20 www elsner elektronik de Technical support 49 0...

Reviews: