Wilo Stratos GIGA2.0-I Notice De Montage Et De Mise En Service page 265

19.2.3 Replacing the electronic module
19.2.4 Module fan replacement
Installation and operating instructions Wilo-Stratos GIGA2.0-I, Wilo-Stratos GIGA2.0-D
Maintenance
3. Before installing the electronic module, pull the new O-ring (Fig. I, Item 31)
between the electronic module (Fig. I, Item 1) and the motor adapter (Fig. I,
Item 11) onto the contacting chamber.
4. Press the electronic module into the new motor contacting and fasten with screws
(Fig. I, Item 4).
NOTICE
The electronic module must be pressed on as far as possible when it is installed.
5. Carry out installation steps 1 ... 20 to install the drive, see section "Replacing the
mechanical seal" [} 260].
Always observe the section "Commissioning" before carrying out any work!
DANGER
Risk of fatal electrical shock!
If the rotor is driven by the impeller when the pump is at a standstill, dangerous con-
tact voltage can arise at the motor contacts.
• Close the shut-off device upstream and downstream of the pump.
NOTICE
The magnets inside the motor do not pose a risk to persons with pacemakers
provided that the motor is not opened and the rotor is not dismantled. The elec-
tronic module can be replaced without any risk.
1. Carry out steps 1 to 6 to dismantle the electronic module in accordance with sec-
tion "Replacing the mechanical seal".
2. Remove the screws (Fig. I, Item 4) and remove the electronic module from the mo-
tor.
3. Replace the O-ring (Fig. I, Item 31).
4. Press the electronic module into the new motor contacting and fasten with screws
(Fig. I, Item 4).
Restore the pump's operational readiness: see section "Replacing the mechanical
seal" [} 260]; steps 5 ... 1!
NOTICE
The electronic module must be pressed on as far as possible when it is installed.
NOTICE
Disconnect the electronic module from the mains supply when performing another
insulation test on site!
To dismantle the module, see "Replacing the electronic module" [} 265] section.
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