Device parameters - Basic Documentation - GDB181.1E/BA - GDB181.1EMBA - GLB181.1E/BA

VAV Compact Controller BACnet MS/TP G..B181.1E/BA

Product Family
OpenAir
Product Group
Damper actuators
Content Language
English
Content Type
Technical Documentation > Basic Documentation
Product Version
Status
Valid
Date
2021-10-26
Document No
A6V10631864_en--_g
Download ID
A6V10695831
Stock No.
S55499-D168
S55499-D169
S55499-D506
Product No.
GDB181.1E/BA
GDB181.1EMBA
GLB181.1E/BA

Parameterization

The OEM generally provides the basic configuration to VAV Compact Controllers, esp. the parameters Vn and Vnom. The basic configuration is independent of the system environment where the VAV Compact Controllers are to be used.

For parameter setting, configuration and maintenance tools as described in section 5.2 are available. The following parameters must be checked or set prior to com­mis­sioning and be documented in the plant documentation. Please refer to section 9.3 for more explanation.

Parameter Range Description Factory setting
Operating mode VAV (flow ctrl.) / POS (position ctrl.)

Interpretation of setpoint

VAV = Setpoint controls volume flow [%]
POS = setpoint controls damper position [%]

VAV
Opening direction CW (R) /
CCW (L)
Opening direction of air damper CW (R)
Adaptive positioning Off / On

Adaption of actual opening range to position feedback 1)

Off = mapping 0°...90° 🡪 0..100 %
On = mapping e.g. 0°...60° 🡪 0..100 %

Off
Vmax 20…120% Maximum air volume flow 100 %
Vmin -20…100% Minimum air volume flow 0 %
Vnom 0…60‘000 m3/h Nominal air volume flow 2) 100 m3/h
Vn 1.00…3.16 Characteristic value for the air volume flow; set by the manufacturer (OEM) 1.00
Altitude 0…5000m
in 500m steps
Altitude level correction factor for differential pressure sensor (select n*500m value closest to real altitude) 500 meters

1) Adaptation must not be activated while a device jam is present

2) Value used for displaying / not used for volume flow control loop

Variable air volume control (VAV)

VAV Compact Controllers operate in VAV mode when connected to the specified power supply. The setpoint signal determines the operating range .

3547d01

1 Setpoint

2 Actual value

3 Control range

Constant air volume control (CAV)

The VAV Compact Controllers can be operated in CAV mode by setting the supervisory controller to send a constant setpoint.

Position control

VAV Compact Controllers can also be operated as damper actuators, i.e. the 0...100% setpoint is interpreted as position setpoint.