Catalog
HVAC applications
Application types
Fan coil
Application can be configured from these functions:
• Outside air damper
• Single-speed fan, multi-speed fan or variable-speed fan
• Chilled water cooling coil
• Direct expansion evaporator cooling coil
• Heating/cooling coil
• Hot water heating coil
• Electric heating coil modulating, single stage or 2 stage
• Room temperature control by 2-pipe system with changeover
• Room temperature control by 4-pipe system
• Supply air temperature cascade control
• Room dehumidification control
• Air volume flow control
• Rapid ventilation
• Green Leaf
Frost protec-
tion monitor
(FrPrtMon)
Outside air
damper
(DmpOa)
Extract air
tempera-
ture (TEx)
Mixed air
tempera-
ture (TMx)
Fan speed
(FanSpd)
Cooling
coil (Ccl)
Heating/
cooling coil
(HCcl)
Heating
coil (Hcl)
Supply air
tempera-
ture (TSu)
DI 1
AI 1 1 1
Relais 1–3
Triac 2 1–2 1–2 1, 2, 4 ,8 1–2
0..10 V 1 1* 1 1, 4 1**
* Requires additional relais or triac for enable signal
** Requires additional triac for electric heating enable signal
VAV (variable air volume system)
Application can be configured from these functions:
• Supply and extract air control
• External flow control for VAV with integrated flow controller
and differential pressure sensor
• Internal flow controller and differential pressure sensor for
damper actuator control
• Internal flow controller and velocity sensor for damper actuator control
• Chilled water cooling coil
• Heating/cooling coil
• Hot water heating coil
• Electric heating coil modulating, single stage or 2 stage
• Room temperature control by 2-pipe system with changeover
• Room temperature control by 4-pipe system
• Supply air temperature cascade control
• Air flow tracking for under/overpressure
• Room dehumidification control
• Room air quality control
• Rapid ventilation
• Green Leaf
Primary air temperature
for air after treatment
(TPaAftrt)
Supply air
VAV
(VavSu)
Cooling
coil (Ccl)
Heating/
cooling coil
(HCcl)
Heating
coil (Hcl)
Supply air
temperature
(TSu)
Extract air
temperature
(TEx)
Extract air
VAV
(VavEx)
DI
AI 1 1 1
Relais
Triac 2** 1–2 1, 2, 4 ,8 1-2 2**
0..10 V 1 1 1, 4 1* 1
Actuator for VAV
(KNX PL-Link)
1 1
* Requires additional triac for electric heating enable signal
** When using DXR2.. with AC 24 V power supply in combination with GDB181.1E/3 or GLB181.1E/3, use 0..10 V signals.
Fan powered box
Application can be configured from these functions:
• Supply air control
• External flow control for VAV with integrated flow controller and
differential pressure sensor
• Internal flow controller and differential pressure sensor for damper
actuator control
• Internal flow controller and velocity sensor for damper actuator control
• Single-speed fan, 2-speed fan or variable-speed fan
• Chilled water cooling coil
• Heating/cooling coil
• Hot water heating coil
• Electric heating coil modulating, single stage or 2 stage
• Room temperature control by 2-pipe system with changeover
• Room temperature control by 4-pipe system
• Supply air temperature cascade control
• Room air quality control
• Rapid ventilation
• Green Leaf
Primary air tempera-
ture for air after-
treatment (TPaAftrt)
Supply air
VAV
(VavSu)
Extract air
tempera-
ture (TEx)
Mixed air
tempera-
ture (TMx)
Fan speed
(FanSpd)
Cooling
coil (Ccl)
Heating/
cooling
coil (HCcl)
Heating
coil (Hcl)
Supply air
tempera-
ture (TSu)
DI
AI 1 1 1 1
Relais
Triac 2 1–2 1–2 1, 2, 4, 8 1–2
0..10 V 1 1* 1 1, 4 1**
Actuator for VAV
(KNX PL-Link)
1*
* Requires additional triac for enable signal
** Requires additional triac for electric heating enable signal
Radiant ceiling and radiator
Application can be configured from these functions:
• Chilled ceiling with chilled water
• Heated/chilled ceiling by 2-pipe system with changeover
• Heated/chilled ceiling by 4-pipe system with 6 way valves
• Heating ceiling with hot water
• Hot water radiator
• Electric radiator modulating or staged
• Downdraft compensation for radiators
• Condensation monitor
• Room temperature control
• Green Leaf
Radiator
(Rad)
Radiator
overtemperature
(RadOvrT)
Radiant ceiling
(Rcg)
Condensation monitor
(CdnMon)
DI 1 1
AI
Relais
Triac 1–4 1–4
0..10 V 1–2* 1–2
* Requires additional triac or relais for electric heating enable signal
4–8
4–9
1 1
3
2
3
2
4 4
Room automation
Overview and selection tools
Room automation
Overview and selection tools