32
Q
Connected internally at the factory
R
Outdoor air temperature sensor (NTC 10 k
Ω
)
S
Extract air temperature sensor (NTC 10 k
Ω
)
T
Bypass damper motor
U
Extract air fan
V
Supply air fan
W
Thermal breaker for integral electric preheating coil
X
Integral electric preheating coil
Y
Thermal breaker for integral electric preheating coil
Z
Internal power supply 1/N/PE 230 V/50 Hz
Required parameter settings
Connection
Ventilation programming unit
type LB1
Heat pump control unit
Vitotronic 200, type WO1C
Vitotronic 200 control unit,
type HO1B/HO1C for wall
mounted gas condensing
boilers
Setting
D
Input 0 to 10 V
"Function, input 1 C1B0"
"Function, input 1 B0"
"1"
"Min. voltage, input 1 C1B1"
"Min. voltage, input 1 B1"
"3.5 V"
E
Input 0 to 10 V
"Min. voltage, input 2 C1C1"
"Min. voltage, input 2 C1"
"7 V"
Connection and wiring diagram
Control PCB
(cont.)
5816563
Appendix