Helios KWL EC 1200 S Pro/WW Notice D'installation Et D'utilisation page 77

Installation and Operating Instructions
7.7
Central Ventilation Units KWL EC.. S Pro/WW
Wiring plan KWL EC 2600 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,
WW battery internal,
WW mixer external
0-10V
pump
With WW heater without
WW type, WW battery
external, mixer external
24V/0-10V
Bypass
0-10V
0-10V
Pre-heater
GND
External
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
+12V
G
PWM
37
X1:24V, GND
BN
0-10V
MIX
GND
0-10V
HEATER
GND
0-10V
YE
BYPASS
GND
BK
+SSR
PREHEATER
-SSR
BU
GN
WH
OG
RD
PK
BN
G
RPM
+12V
G
PWM
EN
Fig.38