
Tandem door air curtains
Door air curtains with patented Tandem technology
Assembly, installation and operating instructions
9
IMPORTANT NOTE!
Danger of frost in cooling mode!
There is a risk of the heat exchanger freezing when used in unheated rooms.
Make sure that the heating medium contains sufficient glycol.
IMPORTANT NOTE!
Energy losses due to misuse!
Series positive or negative pressure in a room can impair the function of the door air curtain.
If a ventilation system is fitted, operate it with a balanced ratio between the supply and exhaust air.
Avoid doors and doorways facing each other.
IMPORTANT NOTE!
Warning of misuse!
In the event of misuse, as itemised below, there is a danger of limited or failing operation of the unit. En-
sure that the airflow can circulate freely.
Never operate the unit in humid areas, such as swimming pools, wet areas etc.
Never operate the unit in rooms with an explosive atmosphere.
Never operate the unit in aggressive or corrosive atmospheres (e.g. sea air).
Never operate the unit above electrical equipment (such as switch cabinets, computers or other electrical
units, or contacts that are not drip-proof).
2.3
Risk from electrocution!
DANGER!
Risk of fatal injury from electrocution!
Contact with live parts will lead to fatal injury from electrocution. Damage to the insulation or individual
components can lead to a fatal injury.
Only permit qualified electricians to work on the electrics.
Immediately disconnect the system and repair it in the event of damage to the insulation.
Keep live parts away from moisture. This can cause a short circuit.
Properly earth the unit.
Summary of Contents for Tandem Series
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