Stiebel Eltron LWZ-W 450 Premium Manuel D'utilisation Et D'installation page 65

Terminal Designation
X1 Power supply
X3 Supply air fan power cable
X4 Exhaust air fan power cable
X6 Float switch
X7 Supply air temperature sensor
X8 Exhaust air temperature sensor
X9 Preheating coil temperature sensor (not as-
signed)
X11 Internal programming unit
X12 External programming unit, external heating
coil, connectivity
X15 Temperature and humidity sensor, outdoor air
X16 Temperature and humidity sensor, extract air
X17 Bypass damper motor
X19 0-10 V
X20 Intensive ventilation switching contact
X21 Exhaust air fan control cable
X22 Supply air fan control cable
X23 Exhaust air pressure sensor
X24 Supply air pressure sensor
X25 Extract air pressure sensor
X27 WLAN
X28 Preheating coil control cable
X29 Preheating coil power cable
X30 Negative pressure safety cut-off switch
bn Brown
bl Blue
SA Supply air
EA Exhaust air
OA Outdoor air
RA Extract air
Choke Restrictor
M Bypass
L Phase
N Neutral conductor
PE Earth
E1 PTC chips
F1 Triac – switching contact
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Specification
LWZ-W 450/600 Premium | 65