Installing Fittings And Burner Door; Positioning The Draft Diverter; Screwing Cleanout Cover Onto Rear Section; Inserting The Flue Gas Baffle Plates - Buderus Logano G315 Installation And Service Instructions Manual

7
Boiler block assembly
7.8

Installing fittings and burner door

Next step in the assembly process is to install the burner door and draft
diverter. The pre-assembled boiler comes with these components
already installed.
7.8.1

Positioning the draft diverter

KM ropes (Fig. 28, [1]) are used to seal the connections between the
boiler and the draft diverter (Fig. 28, [2]).
▶ Coat the packing grooves with adhesive (primer).
▶ Push the KM ropes firmly into the groove. Insert the sealant rope in
such a way that the joint is in the side part of the groove (Fig. 28,
[3]).
▶ Place the draft diverter onto the two threaded studs on the rear
section (Fig. 28, [4 and 5]) and secure using washers and nuts.
3
2
Fig. 28 Fitting the draft diverter
7.8.2

Screwing cleanout cover onto rear section

Fig. 29 shows the fully equipped rear section with the cleanout covers
on the draft diverter (Fig. 29, 1 and 2]) and the cleanout covers on the
rear section (Fig. 29, [3 and 4]).
All cleanout covers are factory-fitted.
1
4
Fig. 29 Rear section with fittings installed
20
4
5
1
720 42 21-21.1o
2
3
720 42 21-22.1o
7.8.3

Inserting the flue gas baffle plates

In pre-assembled boilers, the flue gas baffles are already
fitted
▶ Remove the cardboard transport protectors from the
pre-assembled boiler.
▶ Take flue gas baffles from the crate and insert into the flue gas
passages as indicated by their inscription ( Fig. 30 and
Tab. 10).
Fig. 30 Flue gas baffle plates
Number of Number of Length of flue gas
boiler flue gas baffle plate in
sections baffle plates
5 4 14-11/64 (360)
6 – 7 4 17-21/64 (440)
8 4 14-11/64 (360)
9 4
Table 10
7.8.4

Fitting burner door panel

In the factory, the burner door is mounted with the hinges on the right
hand side (Fig. 31, [4 and 6]). For left-hand closing, remove the hinges
accordingly on the left-hand side of the burner door.
▶ Screw the hinge pins (Fig. 31. [1 and 3]) to the front boiler section
with 2 M 12 x 50 machine screws in each case. This is shown in
Fig. 31 for the right-hand closing version. For left-hand closing,
secure hinge pins accordingly on the left-hand side.
▶ Affix Ø 18 mm diameter GP cord in the front section using adhesive.
The sealant rope joint should be located at the side (Fig. 31, [2]).
▶ Hook the burner door with the hinge lobes into the hinge pins.
720 42 21-24.1o
Installation directions
on the flue gas baffle
inches (mm) plate ( Fig. 30)
top right
top left
bottom right
bottom left
7-7/8 (200)
Logano G315 – 6 720 817 939 (2017/02)