14
Overview of terminals
A
+
-
+
-
+
-
K
E
D
F
B
GH
Fig. 7
A
Power cable with standard plug (1/N/PE 230 V/
50 Hz, factory-fitted)
B
Modbus connection
D
■
0 to 10 V input
–
for CO
2
sensor (X15.1/X15.2)
■
Required parameter settings: See following
table.
E
■
0 to 10 V input
–
for humidity sensor (X15.3/
X15.4)
■
Required parameter settings: See following
table.
F
Output 24 V
–
, max. 4.5 VA (X15.5/X15.6)
■
For CO
2
/humidity sensor (plus
E
and
D
)
or
■
For ventilation control module, type LM1 (plus
B
)
G
External temperature sensor (NTC 10 k
Ω
, X15.7/
X15.8), e.g. in connection with a geothermal heat
exchanger
H
Output 0 and 10 V
–
(X15.9)
K
Additional external electric preheating coil, fitted in
the outdoor air duct
■
Input, phase L: Power supply 230 V/50 Hz
(X14.1)
■
Output, phase L': 230 V~ supply voltage (X14.2)
Cores are interchangeable
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"
Installation sequence
Electrical connections
(cont.)
5816563
Installation
