When using the units, the instructions in this regulation must be observed.
During installation, electrical wiring, commissioning, repairs and maintenance of the units, applicable standards, safety regulations and generally accepted technical rules must be observed!
Installation of the units, including connection of the electrical installation, commissioning of the unit, repairs, maintenance and operation may only be performed by a natural or legal person with valid authorization!
The following general instructions are considered essential. Additional recommended instructions are described in detail in the sections on installation, commissioning and maintenance.
Before starting the unit, the following points must be fulfilled:
- All service panels and doors of the unit must be firmly closed
- Make sure that no persons are inside the unit or in the hazardous area around the unit
- Instructions for the first start-up of the unit and commissioning, as well as maintenance instructions, are provided in the relevant sections of this manual
The unit must not be operated under the following conditions:
- The unit is located in an environment with a risk of an explosive atmosphere (does not apply to ATEX units)
- The unit is located near magnetic fields
- The air entering the unit contains aggressive gases or chemical particles, or the air temperature is lower than -30°C and higher than +50°C, or the humidity of the extract air is too high (not intended for extract of humid air, e.g. swimming pool operation, etc.)
It is not permitted to enter the unit or perform any work on it unless the following points are fulfilled:
- The unit must be disconnected from the electrical voltage.
- All rotating parts must be at a standstill (fans, rotary regenerative heat exchangers, etc.)
- For fans and electric motors equipped with frequency converters, a minimum waiting time of 15 min is required due to residual voltage
- Protection against accidental start-up of the unit must be ensured (e.g. lockable service switch)
- Heat exchangers and parts of the hydraulic system must be cooled down to ambient temperature; the maximum surface temperature is +40°C
- The pressure values of pressure systems must be equalized to ambient pressure
- The operator must be equipped with appropriate protective equipment
- There must be no explosive atmosphere inside the unit