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5 - CODIFICATION
Product type*
Size
Modi
fication
code
(1)
Coils
Supply and return
air plenum*
valves
Valve motors
Control
Sensors
Filter and access
Fresh air
Motor wiring
(1)
Product reference
4
2
B
J
1
9
E
A
T
A
A
A
A
A
A
W
Digit
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
(1) Fixed values
Digits 5/6
1
9
2
9
3
9
Digit 8
A
2 pipes right
B
2 pipes left
C
4 pipes right
D
4 pipes left
E
2 pipes/2 wires right, low
pressure (PTC 2 wired stages)
F
2 pipes/2 wires left, low
pressure (PTC 2 wired stages)
G
2 pipes/2 wires right, high
pressure (PTC 5 wired stages)
H
2 pipes/2 wires left, high
pressure (PTC 5 wired stages)
J
2 pipes/2 wires right, high
pressure (PTC 4 wired stages)
K
2 pipes/2 wires left, high
pressure (PTC 4 wired stages)
Digit 14
F
F5 access from below
G
F5 side access
H
F5 access from above
K
F6 access from below
L
F6 side access
M
F6 access from above
S
Activated carbon f
UVPCO (access from below)
T
Activated carbon f
UVPCO (side access)
U
Activated carbon f
UVPCO (access from above)
Digit 15
-
None
A
125 mm Ø
fresh air spigot
only
B
8,3 l/s (30 m
3
/h)
C
16,6-44,4 l/s
(21/28/36)
E
Motorised fresh
air valve
adapter Ø 125
mm
X
SPECIAL
Digit 10
-
None
C
2-way valve
D
3-way valve
J
2-way valve +
flexible piping
K
3-way valve +
flexible piping
Digit 12
-
None
A
NTC
D
NTC + IAQ board
K
NTC + fuse holder
L
NTC + IAQ board + fuse holder
Digit 13
-
None
A
Return air sensor
B
Supply air sensor
C
Change-over sensor
D
A + B
E
A + B + C
F
A + C
G
B + C
H
CO
2
sensor
J
A + CO
2
K
B + CO
2
L
C + CO
2
M
A + B + CO
2
N
A + C + CO
2
P
B + C + CO
2
Q
A + B + C + CO
2
Digit 11
0
None
A
230 V on/off
C
3 points 230 V
14