User Maintenance; Opening The Casing; Cleaning - Helios InlineVent KR EC Série Notice De Montage Et D'utilisation

Installation and Operating Instructions
EN
CHAPTER 5

USER MAINTENANCE

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CAUTION
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WARNING
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WARNING
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WARNING
EC Rectangular Centrifugal Fans – InlineVent
5.0

Opening the casing

CAUTION!
Risk of injury when opening the casing due to the swinging motor impeller unit!
Do not stand in the swing/opening area! Note information on the device (KR.. EC)!
SKR.. EC types with backward curved impeller blades
1. Disconnect unit from the power supply and secure it against being switched on again!
2. Loosen the outer fastenings, Remove cover (Fig. 4).
3. Loosen screws on motor mount (Fig.6) and swing out motor impeller unit (Fig.6).
Fig.4
KR.. EC types with backward curved impeller blades
1. Disconnect unit from the power supply and secure it against being switched on again!
2. Loosen the motor mount cover fastenings, Swing out motor impeller unit (Fig. 7/8).
Fig.7
5.1

Cleaning

WARNING!
An insulation/installation fault may result in electric shock!
Before cleaning, isolate the fan from the mains power supply and protect against being switching on again!
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Waiting period of at least 5 minutes!
When using capacitors, there is a danger to life after deactivation due to the direct touching of live parts.
Terminal compartment access is only permitted after the power supply is disconnected and a 5 minute waiting
period.
WARNING!
The unexpected rotating impeller can crush fingers.
Before cleaning, isolate the fan from the mains power supply and protect against being switching on again!
– Clean casing and impeller with a damp cloth
– The motor must not come into contact with water!
– Do not use aggressive cleaning agents that could damage the paintwork!
– High pressure cleaners or water jets are not permitted!
Fig.5 Fig.6
Fig.8
6
® KR EC ... / SKR EC