8
Heat Recovery Unit ILOX 129 - Installation, Operation and Maintenance
FläktGroup DC_10201GB_20190207_R2
We reserve the right to make changes without prior notice
CLEANING OF THE HEAT EXCHANGER
Check that the heat exchanger fins are not coated with dust. Clean by
vacuuming or using compressed air. Or spray them with water.
Alternatively clean them using a degreasing agent (ordinary washing
up liquid for example) and rinse clean with hot water.
NOTE! Do not soak the heat exchanger! Do not use dishwasher deter-
gents or lye! Do not poke the air ducts with a sharp object. Allow to dry
before reassembly.
MAINTENANCE AND CLEANING OF HEAT EXCHANGER AND FANS
Before cleaning the heat exchanger, fans etc., the unit should always have the power
disconnected. Pull out the plug and then open the door using the handle.
CLEANING OF FANS
Note that the fans must not be cleaned with water or other fluids; they
may only be vacuum cleaned or brushed.
Pull the heat exchanger out of the unit. During reassembly, check that the seals are
positioned correctly.
Vacuum or spray the heat exchanger with water
3. Disconnect the electrical connection and remove the fan from the unit.
4. Disconnect the impeller from the fan housing by removing the four screws on the
side of the fan housing.
5. Clean the impeller housing and the fan blades with a brush.
6. Reinstall the fan.
GENERAL
The fans, filters and heat exchanger are very important for the opera-
tion and economy of the unit. For this reason, it is crucial for them to be
kept clean and in good condition.
We recommend a general check-up every 6 months. For safety rea-
sons, general caution should be observed during maintenance of the
unit. If necessary, use protective gloves.
2. Unscrew the screws on the cover panels above the fans.
CONDENSATION, WATER IN THE UNIT
When the unit is running moisture condenses from the extract air. This
is greater during autumn and winter. The amount of moisture in the
extract air depends on various factors, during food preparation and
showering for example. A new house gives off a lot of moisture for the
first few years.
In the bottom of the unit is a drain hole for condensate drainage. Check
that the drain hole is not blocked at regular intervals.
At the end of the summer the water in the water trap may have evapo-
rated. This can result in a gurgling noise. Remedy this by pouring water
into the drain hole to fill the water trap.
1. Pull the heat exchanger out of the unit.
Содержание ILOX 129
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