RADSON VIDO - HEATING & COOLING, Installation, Operating, Maintenance & After Sales Manual, Page: 13 / 76

13
9.0 Electrical Connection
(continued...)
TRANSFORMER
L
N
Supply 230V
50Hz
FAN
POWER
BOARD
CONTROL
BOARD
WATER SENSOR
2-PIPE
AIR
SENSOR
Input* 230V 50Hz
24V 50Hz
24V DC
+
-
R
W
Y
M+
T+
T-
M-
Lo
Med
Hi
BL
Y
W
R
BR
HOT
COLD
WATER SENSOR
4-PIPE COOLING
ONLY
4-pipe 2 valve
TRANSFORMER
L
N
Supply 230V
50Hz
FAN
POWER
BOARD
CONTROL
BOARD
Input* 230V 50Hz
24V 50Hz
24V DC
+
-
R
W
Y
M+
T+
T-
M-
Lo
Med
Hi
BL
Y
W
R
BR
HOT
COLD
24V AC 0.6A Max
BUILDING
MANAGEMENT
SYSTEM
HEAT
COOL
SLOW
FAST
COM
WATER SENSOR
2-PIPE
AIR
SENSOR
WATER SENSOR
4-PIPE COOLING
ONLY
4-pipe 2 valve + bMS
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.
*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.
9.0