Publicité
Les langues disponibles
Les langues disponibles
Installation and Operating Instructions
CHAPTER 9
SERVICE AND
MAINTENANCE
m
WARNING
m
WARNING
m
WARNING
m
m
WARNING
m
ATTENTION
Central ventilation unit – KWL 500 W/W ET
8.6.10
Heat exchanger
Define heat exchanger type:
• Aluminium
• Plastic
• Enthalpy
8.6.11
Save / Restore
Save or restore unit and user settings:
• Commissioning settings
• Save commissioning settings
• Restore commissioning settings
• User settings
• Save user settings
• Restore user settings
• Restore factory settings
9SERVICE AND MAINTENANCE
9.1
Unit maintenance
The unit must be checked for contamination and dirt (visual inspection) as needed or at least every year.
m
Risk of burns due to hot surfaces!
Hot surfaces can cause serious burns.
> Allow unit to cool down for at least 5 minutes or wait until the fans are turned off.
m
Risk of injury due to rotating fans!
Rotating fans can injure limbs and cause serious injuries.
> Before working on the unit, wait until the fans are turned off.
m
Risk of injury due to the unit door falling down!
The unit door can fall down when removing and cause serious injuries.
> Wear protective footwear.
> Carefully remove the unit door with both hands.
1. Open both upper snap-in hooks on the unit door.
2. Remove the unit door.
m
Risk of injury due to the high weight of the heat exchanger!
The heat exchanger can fall down and cause serious injuries when removed from the unit.
> Wear protective footwear.
> Carefully remove the heat exchanger from the unit with both hands.
3. Remove heat exchanger.
Damage to the unit due to the use of aggressive cleaning agents.
Aggressive cleaning agents can damage the unit.
> Do not use aggressive cleaning agents.
Remove dirt with a damp cloth and a small amount of washing-up liquid.
9.2
Filter maintenance and replacement
9.2.1 Filter maintenance
The filters must be checked for contamination and dirt (visual inspection) and, if necessary, replaced, see chapter 9.2.2
„Filter replacement", page 28 as needed or at least every 6 months.
The maximum service life of the filters is 1 year. The filters must then be replaced.
9.2.2 Filter replacement
The need to change the filters is displayed:
– via the easyControls 3.0 software by the symbol
– via the control element KWL-BE Touch by the symbol
– via the control element KWL-BE Eco by LED lighting up.
Fig. 36
m
.
m
.
28
EN
Fig. 37
Publicité
