Changing The Control Box Position - Grundfos MAGNA1 Series Installation And Operating Instructions Manual

3.5 Changing the control box position

Warning
The warning symbol on the clamp holding the
pump head and pump housing together indicates
that there is a risk of personal injury. See specific
warnings below.
Warning
When loosening the clamp, do not drop the pump
head.
Warning
Risk of escaping vapour.
Step Action
Loosen the screw in the clamp
holding the pump head and
pump housing together.
Warning: If the screw is
1
loosened too much, the pump
head will be completely
disconnected from the pump
housing.
Carefully rotate the pump head
to the desired position.
2 If the pump head is stuck,
loosen it with a light blow of a
rubber mallet.
Place the control box in
horizontal position so that the
3 Grundfos logo is in vertical
position. The motor shaft must
be horizontal.
Due to the drain hole in the
stator housing, position the gap
4
of the clamp as shown in step
4a, 4b, 4c, 4d or 4e.
Flanged single-head pump.
Position the clamp so that the
4a gap points towards the arrow.
It can be in position 3 or
9 o'clock.
Flanged single-head pump.
Note: The gap of the clamp can
also be in position 6 o'clock for
the following pump sizes:
4b
• DN 65
• DN 80
• DN 100.
4c
4d
Illustration
4e
5
6
Caution
Fig. 14 Insulation of pump housing and pipework
Twin-head pump.
Position the clamps so that the
gaps point towards the arrows.
They can be in position 3 or
9 o'clock.
Twin-head pump.
Note: The gap of the clamp can
also be in position 6 o'clock for
the following pump sizes:
• DN 65
• DN 80
• DN 100.
Threaded single-head pump.
The gap of the clamp can be in
position 3, 6, 9 or 12 o'clock.
Fit and tighten the screw
holding the clamp to 8 ± 1 Nm.
Note: Do not retighten the
screw if condensed water is
dripping from the clamp.
Fit the insulating shells.
Note: Insulating shells for
pumps in air-conditioning and
cooling systems must be
ordered separately.
Do not insulate the control box or cover the
control panel.
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