Stulz EC Tower ECD 91 - Page 76

76 EN/01.2019/G22 © STULZ GmbH – all rights reserved
ec tower technical manual
Option Illustration ECU/ECD 91 ECU/ECD 181/251 Item number
Section of
manual
Adapter panel for flexible
canvas fittings or duct
connection
Essential for installation
ECU 91 only 1200134
see „13.6“ on
page 94
ECU 181/251 only 1200135
Louver damper with servo
motor
shuts off the airflow when the
EC Tower is at a standstill.
Installed in the raised floor
with Downflow units and in the
blow-out with Upflow units.
With adapter panel for
installation.
ECD 91 only 1200136
see „13.9“ on
page 100
ECU 91 only
1200137
see „13.8“ on
page 98
ECD 181/251 only 1200138
see „13.9“ on
page 100
ECU 181/251 only 1200139
see „13.8“ on
page 98
Adapter for flexible canvas
fittings
for preventing the transmission
of vibrations to the air duct.
Dimensions of aperture: 400 
400mm (connection on intake
side),
675  800 mm (connection on
pressure side).
The adapter panel is essential
for direct installation.
ECU 91 only 1200140
see „13.7“ on
page 96
ECU 181/251 only 1200141
Filtration box with service
flap
for connecting an air duct.
Powder-coated, anthracite gray
housing of sheet steel. With
class G4 filter.
ECD 91 only 1200132
see „13.10“ on
page 103
ECD 181/251 only 1200133
Temperature and humidity
sensor for supply air
with housing
● ●
1200142
see“13.10“ on
page 103
Water warning system with
sensor and solenoid valve
Four sensors maximum can be
connected.
● ●
1200143
see „13.14“ on
page 121
Technical data subject to change without notice; errors and omissions excepted.
●
YES
○ NO