User Manual

Weight approx. 0.21 kg
Colour of housing front white, NCS S 0502-G (RAL9003)
Connection terminals
3026G01
L
B2 M
D1 GND
N
Q1 Q2 Q3
Y1 N
Y2
SELV
L, N Operating voltage AC 230 V
B2 Status input “Changeover sensor”
M Measuring neutral “Changeover sensor”
D1, GND Status input for potential-free operating mode
changeover switch
Q1 Control output “Fan speed I“, AC 230 V
Q2 Control output “Fan speed II'“, AC 230 V
Q3 Control output “Fan speed III'“, AC 230 V
Y1 Control output “Open valve”, AC 230 V
Y2 Control output “Close valve”, AC 230 V
Connection diagram
L
LB2M
D1
GND
Q1 Q2 Q3 N
N
N
I II III
N
B2
S1
N1
M1
3026A01
Y1
Y
Y2
B2 Changeover sensor
(QAH11.1 temperature sensor)
M1 Three-speed span
N1 RCC60.1 room temperature controller
S1 External operating mode changeover switch
Y Three-position valve actuator
Y1 Control output “Open valve”, AC 230 V
Y2 Control output “ Close valve”, AC 230 V
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Siemens Building Technologies Room temperature controller CE1N3026en
HVAC Products 12.06.2003