User Guide

Copyright HK Instruments 2021 www.hkinstruments. User guide version 1.0 2021
User Guide
Indoor air quality transmitters
Siro & Siro-MOD
This document contains informaon about conguring and using Siro
indoor air quality transmier. Before reading this guide, check that the
transmier has been installed according to the installaon instruc-
ons.
Siro is available with several oponal air quality sensors. The modu-
lar device can be equipped with CO
2
concentraon and VOC (Vola-
le Organic Compounds) measurements or alternavely PM (Parcu-
late Maer) measurement, and in addion temperature and humidity
measurements. Siro is available with a user interface that includes an
LCD display and three pushbuons. The device is always equipped
with voltage outputs, and oponally with Modbus communicaon and
current outputs.
Introduction
ScHematics
OK
+
1
2
3
4
5
1
1
7
6
1
Air ow aperture
2
Display
3
Pushbuon + (up/increase)
4
Pushbuon OK (choose/conrm)
5
Pushbuon – (down/decrease)
6
Lid opening buon
7
Opening for the wires
Navigating the menu
The device's physical interface includes a display and three pushbuons.
By using the user interface, it is possible to choose the desired measurement values on the display and to adjust the sengs of the device.
Note that when the menu locking jumper is installed, it is not possible to open the menu and the display will not react when pressing
the buon. Please see the installaon instrucons for more details about the locking jumper.
The buon funcons:
+
OK
Scroll up in the menu / increase the value
Scroll down in the menu / decrease the value
Open the menu / conrm (press shortly) / go back to the basic view (keep the buon down/press longer)
OK
The use and conguraon of Siro is simple and easy by following this
guide describing a Siro device with a display (-D).
Please note that this guide includes all measurement opons. The
device menu only shows the opons that have been chosen to that
parcular device. You can nd more informaon about the measur-
ment opons in the end of this document.

Summary of content (8 pages)