Belimo CR24 Series, Информация о продукте

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Single room controller with one analog output
and two digital outputs
CR24-B2E
www.belimo.com 11
Pr
oduct information S4-CR24-.. • en • v2.3 • 08.2022 • Subject t
o changes
Electrical installation
Wiring diagram
�
1 3
y
5
U5
2
~
VAV 2
a) b)
CR24-B2E
1 3
y
5
U5
1 2 7 8 6 11 10 9
ao1 U5
1
U5
2
4 12 3 5
di2 di3 ai/di1 ai2
0...10V
_
NTC
~
AC 24 V
2
~
VAV 1
I
II
°C °C
1 3
y
5
U5
1 2 7 8 6 11 10 9
2
~
VAV 1
ao1 U5 1 U5 2
do3/1
do3/1 do3/2
Note
• Connect via safety isolation transformer.
• Parallel connection of other actuators possible.
Note the performance data.
!
Inputs Outputs
3
ai1 Supply air temperature limiter 6 ao1 System output for Belimo VAV controller
di1 Energy hold off 9 do3/1 Heating stage I On/off radiator valve
4 di2 Stand-by 10 do3/2 Heating stage II
5 ai2 External setpoint shift Other connections
12 di3 Boost 7 PP1 Diagnostics socket 1
8 PP2 Diagnostics socket 2
(optional)
single or multi stage
Local safety
chain *
* Note:
Installation and safety circuit
according to local laws and
regulations !
Stage I Stage I II
Electrical reheater
Electrical reheater
a) Parallel connection
b) Master-Slave connection
On/off valve