Wilo -Stratos GIGA2.0-I Einbau- Und Betriebsanleitung Seite 232

en
19.2.3 Replacing the electronic module
19.2.4 Module fan replacement
232
4. Carry out installation steps 1 ... 21 to install the drive, see section "Replacing the
mechanical seal" [} 227].
Always observe the section "Commissioning" before carrying out any work! Only Wilo
customer service should replace the electronic module!
DANGER
Risk of fatal electrical shock! Generator or turbine operation
during pump flow!
Even without the electronic module (without electrical connection),
there may be dangerous contact voltage at the motor contacts!
• Check for absence of voltage and cover or cordon off adjacent live
parts!
• Close the shut-off devices upstream and downstream of the pump!
NOTICE
The magnets inside the motor do not pose a risk to persons with pace-
makers provided that the motor is not opened and the rotor is not dis-
mantled. The electronic module can be replaced without any risk.
1. To dismantle the electronic module, carry out steps 1 ... 6 according to section "Repla-
cing the mechanical seal" [} 227].
2. Remove the screws (Fig. I, Item 4) and remove the electronic module from the motor.
3. Replace the O-ring (Fig. I, Item 31).
4. Press the new electronic module into the motor contacting and fasten with screws
(Fig. I, Item 4).
Restore the pump's operational readiness: See section "Replacing the mechanical seal"
[} 227]; steps 18 ... 21 in the Installation section!
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 perform-
ing another insulation test on site!
In order to replace the module fan, the electronic module must be dismantled, see section
"Replacing the electronic module" [} 232].
Installation and operating instructions • Wilo-Stratos GIGA2.0-I, Wilo-Stratos GIGA2.0-D • Ed.02/2022-07