ebm-papst P2E070-AA26-01 - Manual (Page 9)

Operating instructions P2E070-AA26-01
Translation of the original operating instructions
4.5 Opening of second screwed cable gland
It is possible to make a second screw hole in the terminal box.
WARNING
In event of a fault, the screwed cable gland is under
electrical voltage
Electric shock
→ Do not use metal cable glands for plastic terminal
boxes.
; Screw the cable gland into the pre-cut thread using a screwdriver.
When doing so, note the tightening torques, see chapter 3.1 Product
drawing.
; Remove the plastic tab that falls off when the wire is pressed through
into the terminal box.
Ill. 2: Screwed cable gland opening
4.6 Checking the connections
; Make sure that the power is off (all phases).
; Secure it from being switched on again.
; Check the correct fit of the connection lines.
; Screw the terminal box cover closed again. Terminal box tightening
torque, see chapter 3.1 Product drawing.
; Make sure that the terminal box is correctly closed and sealed and
that all screws and screwed cable glands are properly tightened.
4.7 Switch on device
; Inspect the device for visible external damage and the proper function
of the protective features before switching it on.
; Apply the nominal voltage to the voltage supply.
4.8 Switching off the device
; Disconnect the device from the supply voltage at the main switch for
the supply line.
; When disconnecting, be sure to disconnect the earth wire connection
last.
5. MAINTENANCE, MALFUNCTIONS, POSSIBLE
CAUSES AND REMEDIES
The motor is sealed by ebm-papst. Changes or repairs may be carried
out by ebm-papst only.
The terminal box does not have to be opened for maintenance.
Do not carry out any repairs.
Return the pump to the manufacturer for repair/replacement.
CAUTION
Electrical load on the capacitor after device is switched off
Electric shock, risk of injury
→ Discharge the capacitors before working on the device.
CAUTION
The motor restarts automatically when operating voltage
is applied, e.g. after a power failure.
Danger of injury
→ When working on the pump, switch off the mains supply
voltage and secure the latter from being switched on again.
→ Wait until the pump stops.
If the device remains out of use for some time, e.g. when in
storage, we recommend switching the device on for at least
two hours to allow any condensate to evaporate and to move
the bearings.
Malfunction/error Possible cause Possible remedy
Impeller running
roughly Imbalance in rotating
parts Clean the device; if
imbalance is still
evident after
cleaning, replace the
device.
If you have
attached any weight
clips during cleaning,
make sure to
remove them
afterwards.
Motor does not turn Mechanical blockage Switch off, de-
energise, and
remove mechanical
blockage.
Mains supply
voltage faulty Check mains supply
voltage,
restore power
supply.
Faulty connection De-energise, correct
connection, see
connection diagram.
Thermal overload
protector responded Allow motor to cool
off, locate and rectify
cause of error, if
necessary cancel
restart lock-out
Unacceptable
operating point Check operating point
Overtemperature of
motor Ambient temperature
too high Lower ambient
temperature if possible
Insufficient cooling Improve cooling
Item no. 10041-5-9970 · Revision 75320 · Release 2012-06-28 · Page 9 / 10
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · [email protected] · www.ebmpapst.com