Wall mounted devices, type W303H and W304H
A
Connection with external unit
B
Control PCB
C
Fan
D
Room temperature sensor
E
Temperature sensor at the heat
exchanger of the internal device
F
Ioniser
G
Electrostatic filter
H
Stepper motor for air flaps
K
On-site time switch (option)
L
Display PCB
M
Power supply, 230 V~, 50 Hz
Colour coding to DIN IEC 60757
BK
Black
BN
Brown
BU
Blue
GNYE Green/Yellow
GY
Grey
RD
Red
WH
White
Internal devices
36
Connection and wiring diagrams
5692
689
GB