SystemAir Topvex SC Series User Manual

38
| Connect accessories in Control unit CU27-C
CU27-C
External accessory connection
Notes
T71:0V 0V
Valve actuator heating
0V DC Power
Analog outputs
T71:AO1 0..10V
Analog output
T71:24V +24V 24V DC Power max. 750mA
T72:0V 0V
Valve actuator cooling
0V DC Power
T72:AO2 0..10V
Analog output
T72:24V +24V 24V DC Power max. 750mA
T73:0V 0V
Changeover
0V DC Power
T73:AO3 0..10V
Analog output
T73:24V +24V 24V DC Power max. 750mA
T74:0V 0V
Preheater
0V DC Power
T74:AO4 0..10V
Analog output
T74:24V +24V 24V DC Power max. 750mA
T81:0V
PT1000 Temperature
sensor supply air
0V DC Power
Universal inputs
T81:24V 24V DC Power max. 550mA
T81:REF M Reference
T81:UI1 B
Universal input
T82:0V
PT1000 Temperature
sensor outdoor air
0V DC Power
T82:24V 24V DC Power max. 550mA
T82:REF M Reference
T82:UI2 B
Universal input
T83:0V
PT1000 Temperature
sensor room
0V DC Power
T83:24V 24V DC Power max. 550mA
T83:REF M Reference
T83:UI3 B
Universal input
T84:0V
PT1000 Temperature
sensor preheater
0V DC Power
T84:24V 24V DC Power max. 550mA
T84:REF M Reference
T84:UI4 B
Universal input
Terminal
Description
Comment
BMS/GND
GND
BMS RS485 Reference
BMS/B
B- BMS RS485 B-
BMS/A+
A+ BMS RS485 A+
Ext-link/0
0V
External components RS485 Power supply
Ext-link/24V
24V
External components RS485 Power supply
Ext-link/GND
GND
External components RS485 ref.
Ext-link/B
B-
External components RS485 B-
Ext-link/A+
A+
External components RS485 A+
214958 | A007

SystemAir Topvex SC Series Specifications

General

Brand	SystemAir
Model	Topvex SC Series
Category	Air Handlers
Language	English