Access Configuration Manual

Access 4.x

Digital outputs

Digital output

Description

SEQ-A start

SEQ-A..J start digital output is related to corresponding sequence. Digital output is engaged if sequence is active

SEQ-B start

SEQ-C start

SEQ-D start

SEQ-E start

SEQ-F start

SEQ-G start

SEQ-H start

SEQ-I start

SEQ-J start

SEQ-A pump

SEQ-A..J pump digital output is related to corresponding sequence and is enabled if pump control has been selected. Digital output is engaged for active sequence according to pump control rules

SEQ-B pump

SEQ-C pump

SEQ-D pump

SEQ-E pump

SEQ-F pump

SEQ-G pump

SEQ-H pump

SEQ-I pump

SEQ-J pump

Supply air fan start

fan start digital outputs allow activation of fans or frequency drives in hard wired installations

Extract air fan start

Recirculation air damper

Damper digital outputs can be used for controlling hardwired ON-OFF damper actuators

Outdoor air damper

Exhaust air damper

Fire damper

Sum alarm 1

Output is engaged in case of active "A/B" or just "A" level alarm. Option selectable in Configuration > Function > Extra indications & outputs > Sum alarm outputs >

Sum alarm 2

Output is engaged in case of active "B" or  "B/C" level alarm. Option selectable in Configuration > Function > Extra indications & outputs > Sum alarm outputs >

Extra fan motor 1 start

Activated for starting extra fan motors

Extra fan motor 2 start

Extra time channel 1

Output is engaged during active time period set for corresponding time channel.

Extra time channel 2

Extra time channel 3

Extra time channel 4

Free cooling running

Indication of free cooling mode being active

Pretreatment start

Indication of pretreatment

Running indication

Indication of unit running

Step controller 1 step 1

Outputs are engaged for corresponding active step of the step controller

Step controller 1 step 2

Step controller 1 step 3

Step controller 1 step 4

Step controller 2 step 1

Step controller 2 step 2

Step controller 2 step 3

Step controller 2 step 4

Dehumidify/(Humidify)

Used for on/off control of humidifiers/dehumidifiers

Changeover 1

engaged if start or pump start outputs of connected sequences are active.

Changeover 2

Outdoor controlled exchanger

Outdoor temperature activated output for control of  hardwired exchanger

Auxiliary indication 1

Configurable outputs engaged at alarm, fan level, running mode or at 100% of selected sequence level

Auxiliary indication 2

Auxiliary indication 3

Preheater start

Digital output is engaged if preheater is active

Preheater pump

Digital output is engaged for preheater to pump control rules