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Operating Instructions
CHAPTER 1
GENERAL
INFORMATION
m
m
ATTENTION
Three-Step Switch SU/SA
1.0 Important information
In order to ensure complete and effective operation and for your own safety, all of the
following instructions should be read carefully and observed. The relevant national stan-
dards, safety regulations and instructions (e.g. DIN EN VDE 0100) as well as the technical
connection conditions of the energy supply company must be observed and ap-
plied.
Keep the operating instructions close to the unit for easy reference. After the final assem-
bly, the document must be issued to the operator (tenant/owner).
1.1 Warning and safety instructions
The adjacent symbol is a safety-relevant warning symbol. All safety regulations
and/or symbols must be absolutely adhered to, so that any dangerous situation is
avoided.
1.2 Warranty claims – Exclusion of liability
Our warranty shall not apply if the following instructions are not observed. The same
applies for liability claims against the manufacturer. The use of accessories, which are
not recommended or offered by Helios, is not permitted. Any damage that may occur is
not liable for warranty.
1.3 Regulations - Guidelines
If the product is installed correctly and used to its intended purpose, it conforms to all
applicable regulations and CE guidelines at its date of manufacture.
1.4 Receipt
The delivery contains the Three-Step Switch SU-3 10 or SA-3 10 for flush-mounting or
surface-mounting incl. connection cable.
Please check delivery immediately on receipt for accuracy and damage. If damaged,
please notify the carrier immediately. In case of delayed notification, any possible claim
may be void.
1.5 Storage
When storing for a prolonged time, the following steps are to be taken to avoid damaging
influences:
Protection by dry, air-dustproof packing (plastic bags with drying agent and moisture
indicators). The storage place must be waterproof, vibration-free and free of temperature
variations. Damages due to improper transportation, storage or commissioning must be
verified and are not liable for warranty.
1.6 Area of application – Application
The Three-Step Switch is intended for flush or surface-mounting. For the three-step
control of EC fans or frequency inverters, with a 0-10 V DC control input.
Any other use than the intended use is prohibited!
1.7 Functions
– Selection via 3-step operating switch (manual, step 1-3) within the entire characteristic
curve diagram
– Control of EC fans or frequency inverters, with a 0-10 V DC control input
– Control voltage directly measurable on operating element
– Weekly timer (WSUP/WSUP-S, accessories) can be added to realise an additional
operating mode, e.g. night mode.
2
EN
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