6
Maintenance
Logalux PL750/2 S - Changes may be made following technical improvements!
21
6
Maintenance
We recommend an annual service and maintenance pro-
gram for the solar combi-tank through a mechanical con-
tractor 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
combi-tank
V
Electrically disconnect the system.
V
Drain the solar-combi tank. Close the cold water inlet
shut-off valve and open the DHW tank drain. To vent
the system, open the vacuum breaker or a faucet high
in the house.
V
Remove the top tank cover and insulation cover of the
service hole of the solar combi-tank.
V
Disconnect AW (DHW outlet) and EZ (DHW recirc
pipe) pipe from tank. (Fig. 3, page 6).
V
Remove DHW tank sensor (FB) and insertion wire from
dry well.
V
Remove hex. bolts, hand-hole cover, magnesium anode
rod and hand-hole gasket.
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 prior to cleaning.
