0603RHC4-JLGBEN
9
/
21
The 90° elbow, sealing ring, terminal and the
combustion air inlet protection grill must be installed
according to figure 7.
All sealings must be correctly placed in the tubes to
avoid flowing back of combustion products to the
burner
.
As indicated, the combustion air inlet protection grill
(PN 90 79050) must be integrated in the side panel of
the controls compartment. The dimensions of the
required opening in this side panel and its position
relative to the mounting flange of the RHC 4000(M)
RJL heat exchanger enclosure are indicated in figure
8 & 9.
The air inlet protection grill must be installed in a level
plane and horizontally centred.
The minimum and maximum distances between the
axis of the flue outlet pipe and the top of the
combustion inlet grill are indicated in figure 9.
Ensure the combustion inlet grill at the control door
panel is completely sealed to prevent ingress of
water.
It is forbidden to use the combustion inlet grill as
passage for cables or gas supplies. Ensure the
inlet grill openings are not obstructed.
Make sure the installation of the combustion inlet
grill is securely fixed.
The outlet combustion sealing ring (dia 100 or 130)
(PNs 06 22786 104 or 06 22786 134) must be
installed in the fixed outlet panel of the air handler
in a hole with dia 112mm for dia 100mm outlet or
with hole diat dia 142mm for dia 130mm outlet.
This hole must be located in the axis of the 90° flue
outlet elbow with a sealing ring of the RHC
4000(M) RJL (see drawing figure 9). The sealing
ring provided, fits for 1mm thick panels.
Figure 7. :General arrangement combustion air inlet and flue products outlet for RHC 4000(M) RJL units
Figure 8
* PN combustion air inlet protection grill : 90 79050
Assure the sealing of the combustion air inlet grill to the controls
compartment side panel is water tight
