Operating instructions

Protect PV.500/630-MH - Operating Instructions
8000043212 BAL Page 33 of 45
1
. Unscrew screw connections and lift out the service flap by the
handles.
2. Remove the old sealing profile. Clean the area and insert the
new profile. Starting halfway up, attach sealing profile 2 all the
way round.
3. Reattach the service flap.
10.2.5.6 Replacing the Battery (PV.xxx)
The 3 V Li-battery on PCB A17 should be replaced as a precaution
after around 10 years, as it is exposed to thermal loads.
10.2.5.7 Replacing Radial Ventilators/Fans (PV.xxx)
A radial fan must be replaced if it is defective or runs out of round;
however, this must be carried out after 10 years of operating at the
latest.
When fans are replaced, the starting capacitors must be replaced
too.
WARNING
Rotating parts
Injury to fingers and hands possible.
 Do not reach into rotating parts.
 De-energise fans.
Cabinet Component Plug
INV Radial ventilator M1 X201 (DC/AC)
INV Radial fan M2 A91.2
INV Radial fan M3 A91.3
DC/AC Radial fan M4 A91.4
Table 5 - Plugs for fan monitoring
Removing and installing radial ventilator M1:
Ventilator M1 is located in the lower ventilation duct of the INV
control cabinet.
1. Disconnect the plug connection from the power supply.
2. Unscrew the cover from the ventilation duct.
3. Disconnect the temperature sensor.
4. Unscrew and remove the 6 screw connections from the
ventilator bracket.
5. Disconnect the ventilator assembly (2 nuts).
6. Pull the ventilator assembly out of the ventilation duct towards
you and set it down.