Gas-Side Maintenance; Solar Collector Maintenance; Finalizing Maintenance - A.O. Smith SGS - 100 Installation & Service Manual

15
15.3.4
15.4 Gas-side
maintenance
15.4.1
15.4.2
15.4.3
15.4.4
15.5 Solar collector
maintenance
15.6 Finalizing
maintenance
96
Performing maintenance
5. If the scale cannot be removed by hand, then the appliance will need to be
descaled using a descaling agent. Contact the supplier for advice on the
preferred descaling agent.
6. Close the cleaning opening. To avoid damage to the tank, tighten the bolts
that fasten the lid with a torque no greater than 50 Nm. Use suitable tools for
this.
Cleaning condensation water discharge
Regular cleaning of the condensation drain and siphon is essential for
prevention of blockages.
Introduction
The following steps must be carried out on the gas side:
1. Clean the burner(s).
2. Clean the orifice(s).
3. Cleaning the heat exchanger.
4. Finalizing maintenance.
Clean the burner(s)
1. Detach the burner(s)
2. Remove all contamination present on the burner(s).
3. Fit the burner(s)
Clean the orifice(s)
1. Detach the orifice(s)
2. Remove all contamination present in the orifice(s).
3. Fit the orifice(s)
Cleaning the heat exchanger
1. Detach the burner.
2. Clean the combustion chamber of the heat exchanger using a vacuum
cleaner and a soft brush.
3. Detach the flue gas discharge.
4. Clean the end of the heat exchanger using tap water.
5. Fit the burner.
6. Fit the flue gas discharge.
Note
Check the pressure differential again after cleaning. If the pressure
difference is too low following cleaning, please contact the supplier of the
appliance.
See installation or users' manual for the solar collector. If this topic is not
covered in the manual, then contact the supplier of the collectors.
To finalize the maintenance carry out the following steps:
1. Fill the appliance (5 "Filling").
2. Start the appliance (9 "Starting and
3. Erase the message SERVICE REQUIRED. Do this by pressing once on
then once on
running").
.
Instruction manual SGS
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