Stulz EC Tower ECD 91 - 11. Technical data

162 EN/01.2019/G22 © STULZ GmbH – all rights reserved
ec tower technical manual
11. Technical data
Supply voltage 15to28V DC (via X/Y remote control bus)
Nominal current Max. 80mA, at 18V
Power consumption 
Protection class III, if U
in
< 50V
Protective ground Not permitted
Length of connecting cable to
indoor unit Max. 120m
Digital inputs:
Quantity
Input voltage U
in
6
24to230V AC, 20to130V DC, common neutral wire
Analog input:
Quantity
Input range
Max. input voltage
Impedance
1
0 to 10VDC
+/-50VDC
75kΩ
Digital outputs:
Quantity
Voltage-free contacts
Isolation voltage
3
130V DC, 0.5A; 230V AC, 0.5A, ohmic load only
1.5kV against all other inputs/outputs
Displays:
Status display of digital inputs
Status display of digital outputs
Operating signals
6 yellow LEDs
3 yellow LEDs
Two 7-segment displays, see “3.5 7-segment display“ on page 149
Max. quantity of indoor units 16
Operation Configuration via DIP switches
Mounting On TS DIN rail 35mmx7.5mm (to DIN EN 60715),
horizontal installation
Installation location Switchgear cabinet indoors, distribution cabinet
Ambient conditions
temperature
Air humidity
–20°Cto+80°C
Max. 85%, non-condensing
 80mm x 116mm x 36mm
 180g
Optional LED 5 V DC, series resistor 1.5 kΩ included in Interface III k