SAVE VTR 150K SERVICE AND ACCESSORIES INSTALLATIONV01 20210316

ManualsBrandsSystemair ManualsResidential systemsSAVE VTR 150/K L 500W S.S - Multiple control options to choose from

Table Of Contents

Accessories

5. Re-configure an internal outdoor air temperature sensor as the extra controller temperature sensor: Service —>

Input —> ANALOG tab. Select the ANALOG INPUT 1 and change its configuration from Outdoor Air Temp. Sen-

sor (OAT) to Extra Controller Temp. Sensor (ECT).

6. After sensor configuration is changed, select the analog input to which the installed outdoor air temperature sensor

(OAT) is connected (for example AI5) and configure it as Outdoor Air Temp. Sensor (OAT).

5.3.1.2 Heater installed in the supply air duct

Installation and connection

1. Install an electric heater (ELH) at least 100 mm distance

from the unit in the supply air duct. A relay (RL) is used

to control the heater. Connect relay to any free digital

output on the connection board (CB).

2. Connect the power supply to the electric heater via a

relay. A circuit breaker (BRK) is not included in the

package and must be ordered separately. It must be in-

stalled in the circuit.

3. Install a duct temperature sensor (SAT) after the elec-

tric heater and connect it to any free analog input on

the connection board (CB).

Supply air heater configuration

1. Go to Service menu

2. Enter password (default 1111)

3. Set the heater type: Components > Heater > Electrical.

4. Configure connection of the heater. Go to Service menu. Select Output menu. In next menu select DIGITAL tab.

Select the digital output to which the heater is connected. Example if it is connected to DO3 on the connection board,

then select DIGITAL OUTPUT 3 and select Step Controller Y1 Heating from the output type list.

5. Deactivate the internal supply air sensor: Service > Input > ANALOG > ANALOG INPUT 2 > Supply Air Temp.

Sensor (SAT) > Inactive Input.

6. After sensor configuration is changed, select the analog input to which the installed supply air temperature sensor

(SAT) is connected (for example AI5) and configure it as Supply Air Temp. Sensor (SAT).

5.3.1.3 Heater installed in the supply air duct (extra zone)