SAVE VTR 700 SERVICE AND ACCESSORIES INSTALLATIONV1 20210507 104848956

Table Of Contents

Accessories

• IAQ — indoor air quality sensor (CO

, RH and

temperature)

• CO2 — CO

duct sensor

• 1 — Outdoor air

• 2 — Supply air

• 3 — Extract air

• 4 — Exhaust air

Component/product — Article number:

• Systemair-1 CO2 duct sensor — 14906

• Systemair-E CO2 sensor — 14904

• Room sensor 0-50C (temperature) — 211525

• Systemair-E CO2 RH Temperature — 211522

Fig. 9 IAQ connections

Installation and connection

1. Install IAQ sensor in the duct or the room depending on

the transmitter type.

2. Connect CO

sensor to any free universal analog input

(UI) on the connection board.

3. If IAQ sensor contains relative humidity transmitter:

Connect it to any free universal analog input (UI) on the

connection board.

4. If IAQ sensor contains room temperature transmitter:

Connect it to any free analog input (AI) on the connec-

tion board (only AI6 and AI7 are available on the con-

nection board).

Configuration

1. Go to Service menu.

2. Enter password (default 1111).

3. Configure of CO

and/or relative humidity sensor: Go to Input menu. Select UNIVERSAL tab. Select the universal in-

put to which the sensor is connected. Example if it is connected to UI4 on the connection board, then select UNIVER-

SAL INPUT 4. Select signal type as Analog input and select sensor type from the input type list: RH sensor (RH)

and/or CO₂ Sensor (CO₂).

4. Configure room temperature sensor: Go to Input menu. Select ANALOG tab. Select the analog input to which the

sensor is connected. Example if it is connected to AI6 on the connection board, then select ANALOG INPUT 6. Select

input type as Room Air Temperature Sensor (RAT).

5.3 Temperature control

5.3.1 Internal electrical reheater

Electrical reheater is used for supply air heating during cold outside temperatures. Electrical reheater should be installed

inside of the unit.

| v01