Buderus Logalux - Startup After Maintenance

9
Maintenance
Logalux LT160/1 | LT200/1 | LT300/1 – 6 720 811 745 (2021/10) 17
Fig. 19 Replacing the magnesium anode
[1] M8 Nut
[2] Serrated washer
[3] Eyelet on ground wire
[4] M8 Nut
[5] Serrated washer
[6] Dished washer
[7] Insulating sleeve
[8] Handhole cover
[9] Gasket
[10] Magnesium anode
9.4 Startup after maintenance
▶ Refit handhole cover ( Fig. 20 [3]) with a new handhole cover
gasket [4].
▶ Attach the eyelet of the ground wire [2] with a hex hex bolt [1] and a
serrated washer.
▶ Thread hex bolts [1] into handhole cover [3] "hand-tight".
▶ Then use a torque wrench to tighten the hex bolts [1] to 18-22 ft lbs/
25-30 Nm.
▶ Fill the DHW tank and restart the heating system.
▶ Check all connections and the handhole cover for leaks.
Fig. 20 Reinstall handhole cover
[1] Hex bolts
[2] Eyelet on ground wire
[3] Handhole cover
[4] Handhole cover gasket
▶ Reinstall thermal insulation element and front cover of tank
( Chapter 5.3.4, page 13).
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NOTICE: Risk of system damage from faulty gasket!
To prevent leaks on the DHW tank:
▶ Use a new handhole cover gasket [4] after every
maintenance.
NOTICE: Risk of system damage from corrosion.
To ensure that the magnesium anode functions
properly:
▶ Fasten the eyelet of the ground wire to the handhole
cover with a hex bolt to ensure good electrical
conductivity.
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