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WILO SE 01/2016
11 Spare parts
Spare parts may be ordered via a local installer
and/or Wilo customer service. To avoid queries
and incorrect orders, all data from the rating plate
must be specified with every order.
Subject to change without prior notice.
Motor overheating
Motor protection trips
Inadequate voltage
Check voltage
Pump not running smoothly:
Foreign object
Impellers blocked
Bearing damaged
Clean pump
Clean pump
Have the pump repaired by customer
service
Ambient temperature too high
Improve the cooling and restart after
cooling down.
Geodesic head >
1000 m
Pump is only approved for geodesic
head < 1000 m
Motor protection (DMversion) is set too
low
Adjust setting of motor protection
to rated motor current
One phase (DM version) is interrupted
Check, replace cable if necessary
Motor protection switch defective
Replace motor protection switch
Motor defective
Have the motor replaced by Wilo
customer service
Pump switches on and off constantly
when water is drawn off
Gas supply pressure in diaphragm pres-
sure vessel too low
Check gas supply pressure in diaphragm
pressure vessel and correct it
Diaphragm of the diaphragm pressure
vessel defective
Have the diaphragm or diaphragm pres-
sure vessel replaced by Wilo customer
service
Faults
Causes
Remedy
Summary of Contents for Wilo-HiMulti 3 H Series
Page 2: ...Fig 1 L2 L2 P1 P1 8 2 7 1 4 9 5 6 3 Fig 2 L2 L2 P1 P1 8 2 3 7 1 4 9 5 6...
Page 3: ...Fig 3a min 500mm 1 230V 50Hz min 300mm HC HR 10 14 14 11 12 6 16...
Page 4: ...Fig 3b 1 230V 50Hz min 300mm HR 14 11 14 13 12 14 6 11 15...
Page 5: ...Fig 3c 1 230V 50Hz min 1000mm HR HA 16 11 14 14 12 6 10...
Page 6: ...Fig 4 OK Fig 5a...
Page 7: ...Fig 5b OK Fig 6a Fig 6b a e b c d a b e c d h i BN BU GNYE BN BU GNYE WJ Jetson MHI Multi H...
Page 9: ...Fig 8a Fig 8b pe bar pa bar pe bar pa bar Fig 9a Fig 9b Fig 9c...
Page 27: ......
