Cleaning The Hot Water Exchanger; Regular Specialist Maintenance - hoxter HAKA 37/50 User Manual

5.3.

CLEANING THE HOT WATER EXCHANGER

Problem-free and effective operation of the hot-water fireplace insert requires regular cleaning
of the hot-water exchanger. Depending on the intensity of the operation, it is recommended
to clean a minimum of once a month. In the case of neglecting the maintenance, there is gradual
blocking of burnt passages and a reduction in efficiency which can result in irreversible damage
to the fireplace insert. When cleaning the hot-water exchanger, proceed as follows:
- Check that the fireplace insert is cold.
- Wear protective glasses and gloves.
- Carefully lift the fireplace bed – deflector (FIG. 11).
- Use the brush included in the delivery, gradually clean all tubes of the burnt passage to keep the
tube clear along the whole lengthy (FIG. 12).
- Re-insert the upper part of the fireplace bed (FIG. 13)
FIG. 11
5.4.

REGULAR SPECIALIST MAINTENANCE

Once a year, before starting the heating season, the fireplace insert should be inspected by
an expert - fireplace technician. This maintenance should include:
for hot-air fireplace insert:
for hot-water fireplace inserts:
FIG. 12
- checking and cleaning of the burning chamber
and burnt passages
- checking the sealing parts and mechanism for opening
the door of the fireplace insert
- checking the regulation and air supply system
- checking and cleaning of the burning chamber and the burnt
passages
- checking the sealing parts and mechanism for opening the door
of the fireplace insert
- checking the regulation and air supply system
- checking the correct functioning of the safety elements safety
valve, thermostatic valve, de-aerating valve, etc .)
- checking the cleaning of the hot-water exchanger
- checking the heating system
FIG. 13
17