RADSON VIDO - HEATING & COOLING, Installation, Operating, Maintenance & After Sales Manual, Page: 12 / 76

12
9.0 Electrical Connection
(continued...)
TRANSFORMER
L
N
Supply 230V
50Hz
FAN
POWER
BOARD
CONTROL
BOARD
WATER SENSOR
2-PIPE
AIR
SENSOR
2-PIPE 1 VALVE
Input* 230V 50Hz
24V 50Hz
24V DC
+
-
R
W
Y
M+
T+
T-
M-
Lo
Med
Hi
BL
Y
W
R
BR
2-pipe 1 valve
TRANSFORMER
L
N
Supply 230V
50Hz
FAN
POWER
BOARD
CONTROL
BOARD
WATER
SENSOR
2-PIPE
AIR
SENSOR
Input* 230V 50Hz
24V DC
24V 50Hz
COM
FAST
SLOW
COOL
HEAT
BUILDING
MANAGEMENT
SYSTEM
Lo
Med
Hi
BL
Y
W
R
BR
+
-
24V AC 0.6A Max
R
W
Y
M+
T+
T-
M-
2-pipe 1 valve + bMS
*Voltage free contacts - 230V 50Hz supply needed accross CO+ and COM- to energise actuator.
*Voltage free contacts - 230V 50Hz supply needed accross CO+ and COM- to energise actuator.
if you are using the valves please refer to
the Valve Kit instructions.
if you are using the valves please refer to
the Valve Kit instructions.