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English (US)
7.3 Replacing the terminal box or capacitor
Fig. 14 Terminal box
If the terminal box is going to be replaced, make
certain the electrical information listed on the
new box matches the information listed on the
old box, and that it is compatible with the pump
and incoming power supply.
For all terminal boxes, it is very important to
tightly secure the frame grounding screw
through the terminal box, so that a proper
connection between the terminal box and motor
is made.
8. Disposal
This product or parts of it must be disposed of in
an environmentally sound way:
1. Use the public or private waste collection
service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Subject to alterations.
TM03 7304 4706
N
L
T5
P1
P2
T2
T3
T1
T8
T4
All
1. Before replacing the terminal box or capacitor, make sure the power is OFF.
2.
Remove the terminal box cover by completely loosening all four torx/standard
screws.
Capacitor
a.3.
Capacitor replacement: Disconnect the two capacitor leads from the
terminals and unscrew the complete plastic strain relief nut.
Remove capacitor wire and strain relief.
a.4.
Screw in new complete strain relief nut and connect capacitor wires to
terminals. Pull excess sheathed cable out of terminal box, being sure to leave
at least 1/8" of sheath inside of terminal box.
Terminal box
b.3.
Terminal box replacement: Disconnect all wiring, remove the three Phillips-
head screws holding the terminal box in place and remove the terminal box by
pulling firmly and evenly on both sides.
b.4.
Check that the clear rubber gasket is in place around the terminal box
connector stem, carefully press the terminal box into the stator socket,
replace the three Phillips-head terminal box screws and replace wiring.
All
5. Replace the terminal box cover and tighten all four torx/standard screws.
6. Switch on power supply. The pump is now ready for operation.
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