SystemAir Topvex TR20 User Manual

Connect accessories in Control unit CU27-C |
25
CU27-C
External accessory connection
Notes
T71:0V 0V
Valve actuator heating
0V DC Power
Analog outputs
T71:AO1 0..10V
Analog output max. 750mA
T71:24V +24V 24V DC Power
T72:0V 0V
Valve actuator cooling
0V DC Power
T72:AO2 0..10V
Analog output max. 750mA
T72:24V +24V 24V DC Power
T73:0V 0V
Changeover
0V DC Power
T73:AO3 0..10V
Analog output max. 750mA
T73:24V +24V 24V DC Power
T74:0V 0V
Preheater
0V DC Power
T74:AO4 0..10V
Analog output max. 750mA
T74:24V +24V 24V DC Power
T81:0V
PT1000 Temperature
sensor supply air
0V DC Power
Universal inputs
T81:24V 24V DC Power
T81:REF M Reference
T81:UI1 B
Universal input max. 550mA
T82:0V
PT1000 Temperature
sensor outdoor air
0V DC Power
T82:24V 24V DC Power
T82:REF M Reference
T82:UI2 B
Universal input max. 550mA
T83:0V
PT1000 Temperature
sensor room
0V DC Power
T83:24V 24V DC Power
T83:REF M Reference
T83:UI3 B
Universal input max. 550mA
T84:0V
PT1000 Temperature
sensor preheater
0V DC Power
T84:24V 24V DC Power
T84:REF M Reference
T84:UI4 B
Universal input max. 550mA
254050 | A001

SystemAir Topvex TR20 Specifications

General

Brand	SystemAir
Model	Topvex TR20
Category	Air Handlers
Language	English