Start-Up Procedure; Commissioning The Tank; Shutdown; Shutting Down The Tank - Buderus S32/5 Installation And Maintenance Instructions Manual

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Fig. 13 Connecting the tank components
[1] Tee section with P&T safety valve
[2] Holder with Aquastat
[3] Drain valve
[4] Coupling
S 32/5 – 6 720 804 007 (2014/10)
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6 720 801 773-03.4ITL
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Start-up procedure

NOTICE: Risk of equipment damage from excess
pressure!
Excessive pressure can result in tension cracks in the
enamel coating.
▶ Never plug the blow-off line of the T&P safety valve.
6.1

Commissioning the tank

Have the installer of the heating system or a qualified contractor
commission the equipment.
▶ Commission the boiler and additional accessories in accordance with
manufacturer's instructions or the appropriate installation and
operating instructions.
Use only drinking water to check the tank for leaks. On
the DHW side, the test pressure must not exceed 150 psi
(10.3 bar) gauge pressure.
▶ To bleed air from the tank, open the highest tap/valve.
▶ To fill the tank, open the shut-off valve for the cold water inlet.
▶ Flush the tank and piping thoroughly prior to commissioning.
▶ Before heating up, verify that the boiler, tank and pipework are filled
with water.
▶ Check all connections, piping and the inspection port for leaks.
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Shutdown

7.1

Shutting down the tank

▶ Switch off the temperature controller at the control panel, shut of the
heating system emergency shutoff switch, or disengage the heating
system circuit breaker.
WARNING: Risk of scalding from hot water!
▶ Let the tank cool down sufficiently.
▶ Close the cold water inlet shutoff valve.
▶ Drain the tank via the drain valve by opening the highest faucet.
▶ Close the shut-off valves to and from the boiler.
▶ Depressurize the heat exchanger.
▶ Drain and blow out the heat exchanger.
▶ To prevent corrosion, dry out the inner space and keep the
inspection port covers open.
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Start-up procedure
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