Helios KWL EC 1200 S Pro/WW Notice D'installation Et D'utilisation page 76

Installation and Operating Instructions
EN
Central Ventilation Units KWL EC.. S Pro/WW
7.6 Wiring plan KWL EC 1800 S Pro (WW)
230 VAC
L N N
Transf. Transf. Transf.
12 VAC 15 VAC 24 VAC
Outside air
flap
Exhaust air
flap
Power supply
Signal fan ext. mixer
on, (potential-free
contact) !
Heater for WW type,
0-10V
WW battery internal
MIX
WW
Mixer external
GND
pump 0-10V
With WW heater without
0-10V
WW type, WW battery
HEATER
external, mixer external
GND
24V/0-10V
0-10V
Bypass
BYPASS
0-10V
GND
0-10V
+SSR
Pre-heater
PREHEATER
GND
External
-SSR
fire alarm
External alarm
T-Ext-1
condensation Outside air
sensor
External
T-Ext-2
signal
Heat exchanger
sensor
T-Ext-3
Supply air
sensor
T-Int-1
Extract air
Power supply
sensor
sensor
T-Int-2
Exhaust air
sensor
Sensor
warm water
Sensor
water alarm
Supply air Supply air Exhaust air
filter pressure filter
G
RPM
RPM
+12V
+12V
G
PWM
PWM
36
X1:24V, GND
BN
YE
BK
BU
GN
WH
OG
RD
PK
BN
G
G
Fig.37