Wiring Plan - Helios KWL EC 220 D Eco R Montage- Und Betriebsvorschrift

Installation and Operating Instructions
Compact ceiling units KWL EC 220 D Eco
7 .1

Wiring plan

plug
left side of the unit
X7
BU
BU
1
(N), = X1.17 L exhaust air fan or
BN
BN
2
(L), = X2.18, L exhaust air fan or
3 unoccupied
4 unoccupied
BK
GN
5
Sensor
L = X4.exhaust air sensor or = X3.
BK BN
6
RD RD
7
(+10V), = X3. L exhaust air or
WH WH
8 ( speed feedback
M
EC
YEGN
YEGN
9
(PE), = X8, L exhaust air fan or
10
unoccupied
11
unoccupied
12 unoccupied
BK GY
13
Sensor
L = X3.ouside air sensor = X3.used air sensor
BK PK
14
BU
BU
X7
15
(GND), = X3. L exhaust air or
YE
16 8 YE
16
(0-10V), = X3. L exhaust air or
15 7
14 6
13 5
shockproof
12 4 plug
11 3
10 2
9 1
potentiometer,
X2.26 X1.25
PK
outside air
R=X6
R =X6, =X7 L
GN
L
outside air
BN
supply air
R =X7, =X6 L
GN
supply air
PK
used air
R =X7, =X6 L
GN
used air
YE
0-10 V
R=X6
exhaust
WH
speed feedb.
L =X7
air fan
BU
GND
YE
0-10 V
R=X7
supply
WH
speed feedb.
L =X6
air fan
Bul
GND
24 V
0-10 V
GND
Ext.
external
optional external
control command
Ext.
STB
feedback
optional external
Safety temperature limiter
STB
BK
Bypass
motor 12V+/-
RD
Bypass
Bypass
GND
X3 (outside)
RJ12
85225 001 17.12.18
R= right version
L = left version
R = X1.19, supply air fan
R = X2.20, supply air fan
Sensor
R supply air sensor
R = X3. supply air (only on plug)
), = X3. L exhaust air or R = X3. supply air
R = X8, supply air fan
Sensor
R
R = X3. supply air
R = X3. supply air
X2.28 X1.27
PE, X8
T1,
10 kOhm
additional
Bypass
transformer
BN
exhaust air
secondary
transformer
=X7
exhaust air
GN
T5
heater
T5
T6
T6 transformer
X5
X4 (inside)
T1 - outside air
315mAT/250V~
T2 - supply air
T3 - used air
T4 - exhaust air
basic motherboard
in the unit
DIP-switch
1.1 1.2 2.1 2.2
on on
off off
function, see instruction
15
plug
right side of the unit
X6
BU BU
1
(N), = X1.17 R exhaust air fan or
BN BN
2
(L), = X2.18, R exhaust air fan or
3 unoccupied
4 unoccupied
BK
GN
5
R = X4. exhaust air sensor or
BK BN
6
RD RD
7
(+10V), = X3. R exhaust air or
WH WH
8 ( speed feedback ), = X3. R
M
EC
YEGN
YEGN
9
(PE), = X8, R exhaust air fan or
10
unoccupied
11
unoccupied
12 unoccupied
BK GY
13
R = X3.outside air sensor = X3.used air sensor
BK PK
14
BU BU
X6
15
(GND), = X3. R exhaust air or
YE
16 8 YE
16
(0-10V), = X3. R exhaust air or
15 7
14 6
13 5
12 4
11 3
10 2
9 1
PE in the unit
X8
supply air fan
exhaust air fan
supply
X2 (top) (backside) X1
U3 U3S
31
32
L
U3S N
29
30
N
U2
L 28 27
transformer
L N
26 25
S1
N
L
24 23
L N
22 21
N
U1
Relay 1
20 supply air 19
L
U1 N
18 exhaust air 17
11 N
Relay 4
8
7
12 14
6 5
5
X2 (top)
(backside) X1
EN
E
L = X1.19, supply air fan
L = X2.20, supply air fan
L = X3. supply air sensor
L = X3. supply air (only on plug)
exhaust air or L = X3. supply air
L = X8, supply air fan
L
L = X3. supply air
L = X3. supply air
Colour code
according to IEC 757
BK-sw-schwarz-black-noir
BN-br-braun-brown-marron
RD-rt- rot-red-rouge
OG-or-orange
YE-ge-gelb-yellow-jaune
GN-gn-grün-green-vert
BU-bl-blau-blue-bleu
VT-vi-violett-voilet
GY-gr-grau-grey-gris
WH-ws-weiß-white-blanc
PK-rs-rosa-pink-rose
optional
BN
1
BU N
Pre-heater
T1, additional transformer
S1
main supply
motherboard
supply air
supply fans
exhaust air
alarm