Installation Overviews - Nordmann AT4 Series Mounting Instructions

5.2

Installation overviews

Installation overview duct humidification
A1 / A2
DV41
DV71
Pmax 1500 Pa
Pmin -800 Pa
Steam installation
see chapter 5.4
Mounting the unit
see chapter 5.3
Water installation
see chapter 5.5
125...1250 µS/cm
1...10 bar
1...40°C
Electric installation
see chapter 5.6
28
min. 5 %
–
min. 20 %
–
KS10
G 3/4"
ø 31 mm
ø 14/7 mm
G 1/2"
G 3/8"
Z261
≥ 40 mm
B3
** on double units each
DS22
DS35
min. 20 %
+
Continuous Ohmic humidity
control
XE4 XE4
AT4
ext.
A2
+ –
A1
P / PI
Heating voltage **
K1
XE1
Q5
F5
L1 L2 L3
400 V/3~/50..60 Hz
230 V/3~/50..60 Hz
Q5
F5
L1 L2
400 V/2~/50..60 Hz
Q5
F5
module has a separate
heating voltage supply
L1 N
230 V/1~/50..60 Hz
Control voltage
XE3
Q6
F6
230 V/1~/50..60 Hz
O N
Q6
F
O F
External safety chain
O N
F
O F Q5
J
24V On/Off
controller controller
24V 5V 24V 5V
JP3 JP3
XE4
AT4 AT4
ext. ext.
A3
On/Off
140Ω...10kΩ
L1 L2 L3
PE
L1 L2 L3
AT4
ext.
PE
PE
PE
AT4
ext.
L1 N PE
XE2
AT4
ext.
B3
max.
B2
∆p
B1
Z signal
LIM. SIGN.
IN GND
AT4
ext.
+ –
A4
P / PI