Fresh Air Boxes – ALB EC
Installation and Operating Instructions
20
EN
Wiring diagram SS-1308
CHAPTER 8
WIRING DIAGRAMS
ALB EC 125 EH
Accessory components
■
P
o
w
er supply
■
Inspection s
witch with a
contact gap of at least
3 mm (to be placed on
site) or easily accessib
le
plug connection as an
alter
nativ
e
.
■
Control panel
■
Supply air f
an (inter
nal)
■
Electr
ical heater
(inter
nal)
■
T outdoor air
■
Fire contact
■
Boost contact
■
T supply air
ALB EC 125 EH:
3x1.5 mm²,
9.5 A,
230
V~
L
N
L
N
PE
N
N
L
T1
T2
T3
T4
T5
T6
T7
T8
+24DC
0-10V CO2
0
0-10V RH
0
Boost
S
E
Supply fan
dr
y contacts
Modb
us
0
COM
BA
NC
NO
Alarm
GND
ADJ (0-10V)
L
Fire alarm
KTY
KTY
15-24V~
/ 24V=
A1
GND
~
~
+-
A2
GND
EXT
KWL-CO2 Ar
t.
Nr
.
4272
■
KWL-V
OC Ar
t.
Nr
.
4274
KWL-FTF Ar
t.
Nr
.
4273
KWL-FTF
or
KWL-CO2/V
OC
M
L
■
Extr
act air f
an (e
xter
nal)
M
PE
N
1 x 2.0 kW
14
11
A1
A2
Reset
■
T room (optional)
KTY
2 x
T2.5 A
max.
10m
max.
20m
max.
20m
Pulser
max.
20m
max.
20m
BK
BL
88°C
120°C
E
■
Dif
ferential pressure switch DDS
DDS
DDS
P
3
2 NO
COM
85499 073 SS-1308 29.04.19
