Startup After Maintenance - Buderus SM80/5 Notice D'installation Et D'entretien

▶ Insert the magnesium anodes into the sleeve again.
Fig. 21 Checking the top magnesium anode
[1] Hex bolt
[2] Magnesium anode
Checking the side magnesium anode
▶ Empty the DHW cylinder as described in  Chapter 9.1.
▶ Remove cleanout cover ( Fig. 19, page 16), if it is not already
removed.
▶ Check the magnesium anodes.
▶ Replace the magnesium anode if the diameter has decreased to
approx. 5/8" (15 mm).
▶ Unscrew the nut M8 [9] to release the eyelet of the grounding cable
connecting lead[8].
▶ Unscrew the M8 nut [7].
▶ Remove the handhole cover [1] from the magnesium anode [3].
▶ Fit the new magnesium anode together with all small parts supplied
with it.
Fig. 22 Replacing the magnesium anode
SM80/5, SM100/5 – 6 720 800 156 (2014/10)
Key to Fig. 22:
[1] Magnesium anode
[2] Gasket
[3] Handhole cover
[4] Insulating sleeve
[5] Dished washer
[6] Serrated washer
[7] M8 Nut
[8] Eyelet of the grounding cable connecting lead
[9] M8 Nut
9.4
▶ Put the cleanout cover [4] back in place together with the new gasket
[2].
▶ Thread hex bolts [5] into cleanout cover [4] "hand-tight".
▶ Then use a torque wrench to tighten the hex bolts to 18-22 lbf-ft
(25 – 30 Nm).
▶ Fill the DHW tank and restart the heating system.
▶ Check all connections and the inspection port for leaks.
▶ Replace the cleanout cover shroud.
▶ Reinstall the PS jacket cover ( Fig. 2, page 5) on the DHW tank.
Fig. 23 Reinstall handhole cover
[1] Inspection port
[2] Handhole cover gasket
[3] Magnesium anode
[4] Handhole cover
[5] Hex bolts
[6] Cleanout cover shroud
6 720 800 155-23.1ITL

Startup after maintenance

NOTICE: Risk of tank damage from a faulty gasket!
▶ To prevent the DHW tank from leaking, install a new
cleanout cover gasket upon completion of cleaning
and maintenance.
9
Maintenance
6720 800 155-02.1ITL
17