Reznor, RHC21 8000 Installation EN May 2021 D301319 Issue 0 Page No 37 of 52
7.4 Burner cleaning and replacement
1. Follow steps 1 to 4 from gas valve
replacement.
2. Unscrew the burner fixings with a deep
10mm socket.
3. The burner can now be removed.
4. Rinse the burner body with clean water and
dry.
5. Inspect the burner for cracks, holes or splits
in the mesh. If damaged the burner should
be replaced.
Burner with face insulation in place
Burner with face insulation removed
7. The burner mesh can be cleaned by either
placing it under clean running water or
by immersing it in a container full of clean
water. The burner should be allowed to dry
naturally or be blown dry using compressed
air (drying air should not exceed 1.5 bar).
8. Replace the burner gasket if necessary.
9. Refit in reverse order.
10. Follow start up and commissioning
procedure.
7.5 Burner chamber / tube insulation
check and replacement
1. The insulation material is a mixture
containing Refractory Ceramic Fibres (RCF)
/ Alumino-Silicate Wools (ASW). Do not
handle until all safety instructions have been
read.
2. Wear appropriate PPE such as gloves,
protective clothing, eye protection, and
respiratory protection. Follow all local
regulations and industrial hygiene standards.
3. Handle insulation with care to minimise
airborne dust.
4. Dispose of waste in accordance with local
regulations, such as a landfill licensed for this
purpose.
5. Unless wetted, such waste may be dusty and
should be properly sealed in containers for
disposal.
6. The Material Safety Data Sheet is available
from the appliance manufacturer.
10mm nuts