Helios KWL EC 1200 S Pro/WW Notice D'installation Et D'utilisation page 75

Installation and Operating Instructions
7.5
Central Ventilation Units KWL EC.. S Pro/WW
Wiring plan KWL EC 1200 S Pro (WW)
230 VAC
L N N
Transf. Transf.
12 VAC 15 VAC
Outside air
flap
Exhaust air
flap
Signal fan
on, (potential-free
contact) !
Heater for WW type,
WW
pump
With WW heater without
WW type, WW battery
external, mixer external
Pre-heater
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
Supply air Supply air
filter pressure
G
RPM
+12V
G
PWM
35
Transf.
24 VAC
Power supply
ext. mixer
0-10V
WW battery internal,
MIX
mixer external
GND
0-10V
0-10V
HEATER
GND
24V/0-10V
0-10V
Bypass
BYPASS
0-10V
GND
0-10V
+SSR
PREHEATER
GND
-SSR
bl
gn
ws
or
rt
rs
Sensor
br
water alarm
Exhaust air
filter
G
RPM
+12V
G
PWM
EN
Fig.36