SPI IMO 205236 A001

ManualsBrandsSystemair ManualsAir Distribution ProductsSPI-100 C Iris damper - 100mm dia iris damper SPI-100

Systemair Sverige AB

Industrivägen 3

SE-739 30 Skinnskatteberg

Phone +46 222 440 00

Fax +46 222 440 99

www.systemair.com

SPI

Operating instructions

Cleaning

The damper can be fully opened

for easy access to the inside of

the duct. Remember to write

down the setting for the damper

prior to opening. Set the

opening back to normal after

cleaning.

Loosen the screws for adjusting

the damper setting

Example

Formula given

qPk



Controlling the airflow

Size SPI 160

Pressure (measured) 30 Pa

K-factor (from label) 18

Entered in the equation:

6,983018 

In this case the airflow is

98,6 l/s

Where

q = airflow (l/s)

k = K-factor

= tuning pressure

Tuning

Connect the hoses to the

measuring connections

and measure the

pressure.

Lock the setting by

tightening the screws after

tuning.

Summary of content (4 pages)

PAGE 1
GB SPI Operating instructions Cleaning The damper can be fully opened for easy access to the inside of the duct. Remember to write down the setting for the damper prior to opening. Set the opening back to normal after cleaning. Loosen the screws for adjusting the damper setting. Example Formula given k  Pi  q Tuning Where q = airflow (l/s) k = K-factor Pi= tuning pressure Connect the hoses to the measuring connections and measure the pressure. Lock the setting by tightening the screws after tuning.
PAGE 2
GB Installation instructions Install the iris damper in the duct. Measure the pressure difference P over the iris damper with a manometer. P Loosen the screws on the adjustment handle – adjust the opening to achieve the desired airflow. q  k P P Depending on the opening and the pressure drop P the airflow can be established with help of the included k-factor diagram. When the desired airflow has been achieved – tighten the screws on the adjustment handle.
PAGE 3
SE SPI Drift- och skötselråd Rengöring Spjället kan öppnas helt så att man kommer åt att rensa inne i kanalen. Notera först vilket läge spjället står i. Kom ihåg att återställa spjället efter rensning. Lossa låsningsskruvarna vid ändring av spjälläge. Exempel Formel k  Pi  q där q = flödet (l/s) k = K-faktor Pi= injusteringstryck Injustering Koppla in slangarna i spjällets mätanslutningar och mät trycket. Lås spjälläget med låsskruvarna efter injustering.
PAGE 4
SE Montageinstruktion Installera irisspjället i kanalen. Mät trycket P över irisspjället med en differential tryckmätare. P Lossa på skruvarna på spjällåset justera öppningen på irisspjället efter önskat flöde. q  k P P Läs av luftflödet på det medföljande k-faktor diagrammet där luftflödet ges beroende på öppningens storlek samt differenstrycket över irisspjället. Systemair Sverige AB Industrivägen 3 SE-739 30 Skinnskatteberg Phone +46 222 440 00 Fax +46 222 440 99 www.systemair.