6
Maintenance
Logalux SM300/1 - SM400/1 - Technical specifications are subject to change without prior notice.
23
6 Maintenance
We recommend an annual service and maintenance pro-
gram for the solar hot water heater through a mechanical
contractor and service company. Please inform the end
user.
V Use shorter service intervals in case of hard or
extremely hard water conditions and high temperature
operation.
6.1 Preparation of cleaning of solar
water tank
V Electrically disconnect the system.
V Drain the solar tank. Close the cold feed shut-off and
open the tank drain. To vent the system, open the vac-
uum breaker or a faucet high in the house.
V Remove the front cover and insulation disc of the
inspection opening of the solar water heater.
V Remove bolts of the clean-out cover.
V Remove hand-hole cover, magnesium anode rod and
hand hole gasket.
Fig. 19 Removal of inspection opening
1 Inspection opening
2 Clean-out cover gasket
3 Magnesium anode rod
4 Clean-out cover
5 Hex head bolts
6 Insulation piece
7 Clean-out cover with screws
Caution: Possible tank damage due to in-
correct cleaning and maintenance!
V Clean and perform a maintenance pro-
gram on an annual basis.
V Correct any possible deficiencies.
Danger: Scalding danger!
Hot water can cause serious injury.
V Allow the solar hot water tank to cool
down following cleaning.
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