Vents VUT R 1200 EH EC, User Manual

12

VUT R EH EC

VUT R EH EC

EXTERNAL WIRING DIAGRAM FOR THE UNITS VUT R 900 EH EC, VUT R 1200 EH EC AND VUT R 1500 EH EC

22

X1

21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

no

14

t°C

C

CU ac

tivation sig

nal 

(0-10 V

)

C

CU ac

tivation sig

nal 

(no

-c

ontac

t / 16A

)

P

o

w

er supply

400 V 

A

C

1

2

13 12 9 10 11 6

2

1

1

c

2 14 12 9 10

P1

11 6

SAS908PIT-V2-S1-F3

— ELECTRIC SHOCK HAZARD!

2 1 1 2 2 2 1 PE N L3 L2 L1

TE1

1

2

PK1

2

1

L

N

SM2

2

1

L

N

SM1

24 23

0-10 Gnd

AIgnd

AO3

A1 B1 C1

Q1

DO6

AI2

DI3

DI1

AI4

AI1

DI2

AIgnd

DIgnd

~

24V AC

DI5 DO4 DO5

DO3

DO2

DI4

DIgnd

1

M4

2 3

XP6
XS6

4

t°C

c no

TS1

t°C

c no

TS2

XS1

XP1

XS2

XP2

XS3

XP3

XS5

XP5

Cadet Mini-24 

AO1

AO2

AI3

AIgnd

AI5

AIgnd

+

M1

Y U

+

M1

Y U

+

48V DC

+

48V DC

t°C

1

2

TE2

t°C

1

2

TE5

UNIT CONTROL 

General description of the automation control system.

The unit is equipped with a built-in electronic control and automation unit and a remote control panel.

The automatic control system has the following functions:

1.  

Switching the unit ON/OFF;

2.  

Maintenance of set supply temperature by means of automatic regulation of the electric heating coil capacity;

3.  

Electric heater overheating protection with two thermostats;

4.  

Rotary heat exchanger control;

5.  

Supply and exhaust fans control and monitoring; 

6.  

Supply and exhaust air controlling damper actuating;

7.  

System shutdown on signal from fi re fi ghting system.

The controller has the following functions: electric heater and rotary heat exchanger control, air damper opening and closing. 
The supply air temperature is maintained at set point during the fan operation by means of electric heater power regulation 

performed by triac units. In case of the unit shutdown the automatic control system provides air supply to the electric heating elements 
within n minutes (adjustable parameter E-01) for heat removing. 

The automatic control system provides automatic restart of the fans after power failure. This function is activated and adjusted from 

the controller menu.

Design.

Name

Type

Cable**

SM1

Supply air damper actuator

LF230

2x0.75 mm

2

SM2

Extract air damper actuator

LF230

2x0.75 mm

2

PK1

Contact from fi re alarm panel 

NO

2x0.75 mm

2

P1

Remote control panel  

SAS908PIT

TE1

Intake air temperature sensor

PT-1000   ST-01

2x0.75 mm

2

CCB

DX-cooler

4x0.75 mm

2

1. The unit comprises P1 and TE1 only. 
2. ** - Max. connecting cable length is 20 m! 
3. Cable length from P1 must not exceed 10 meters.