VTS Ventus VVS300 [11/47] Dx cooler c_dx control pid controller cooling

VTS Ventus VVS040 [11/47] Dx cooler c_dx control pid controller cooling
uPC3 rel 1.8 11/2021
11
Water heater H_cw
Control
PID controller - Heating
PID controller - Protecting the
rebate sensor
Limiting the minimum / maximum
signal
Low air temperature alarm
uPC3
I/O
Descrition
Type
Note
Y1
Heating control signal
0-10V
DC
NO1*
Main heating - Pump
+24V DC
230V AC
B5
Back water temperature
NTC
Optional
DI2
Antifreeze thermostat
NC
* For supplying circulation pumps, a relay with + 24 V DC to 230 V
AC is available.
Electric heater HE
Control
PID controller - Heating
Limiting the minimum / maximum
signal
Adjustable switching
level individual sections
uPC3
I/O
Descrition
Type
Note
Y1
Control of the PWM section
0-10V
DC
NO1
Main heater section 2 On/Off
+24V DC
NO6
Main heater section 3 On/Off
+24V DC
DI2
Heater alarm
NC
Water cooler C_cw
Control
PID controller - Cooling
Limiting the minimum / maximum
signal
uPC3
I/O
Descrition
Type
Note
Y3
Cooling control signal
0-10V
DC
NO4
Main cooling - Pump
+24V DC
DI3
Cooler alarm
NC
DX cooler C_dx
Control
PID controller - Cooling
Limiting the minimum / maximum
signal
Adjustable switching level of
individual sections
uPC3
I/O
Descrition
Type
Note
Y3
Cooling control signal
0-10V
DC
NO4
Main cooler section 1 On/Off
+24V DC
NO5
Main heater section 2 On/Off
+24V DC
DI3
Cooler alarm
NC
Fan V
Control
Standard work percentage
control
PID control for regulation CAV*
PID control for regulation VAV
uPC3
I/O
Descrition
Type
Note
3-pins
RS485
Modbus RTU communication
RS-485
* CAV standard for Compact unit using the Mainboard module I/O
Control Circuit.
Filters F
Control
Compact Pressure transducer
Ventus Pressure switch
uPC3
I/O
Descrition
Type
Note
3-pins
RS485*
1
Modbus RTU communication
RS-485
Compact
IN1*
2
Air supply filter pressure
switch
NC
CBX
IN2*
2
Air return filter pressure
switch
NC
CBX
DI4
*3
Air supply filter pressure
switch
NC
CBX
DI5
*3
Air return filter pressure
switch
NC
CBX
*
1
For Compact units the need to use the Mainboard module I/O
Control Circuit.
*
2
Input IN1/IN2 available on the PCB-EC extension I/O module.
*
3
Input DI4/DI5 available In the case of a unit without a humidifier,
DXH.
Recovery Plate cross / HEX P
Control
PID controller - Heat recovery
PID controller - Cooling recovery
Limiting the minimum signal
uPC3
I/O
Descrition
Type
Note
B4
Exhaust temperature after
recovery antifreeze
protection
NTC
B6*
1
Supply temperature after
recovery in compact unit
NTC
Optional
AO1*
2
By-pass actuator
0-10V
DC
Y3*
3
By-pass actuator
0-10V
DC
Optional
*
1
Additional sensor for calculating the recovery efficiency used in
compact AHUs.
*
2
Output AO1 available on the PCB-EC extension I/O module
available for unit without humidifier.
*
3
In the case of a unit without a mixing chamber and a cooler, it is
possible to use Y3 for recovery.

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