Changing The Control Box Position; Electrical Installation - Grundfos ALPHA Instructions D'installation Et D'utilisation

5. Changing the control box position

Warning
Before starting any work on this
circulator, make sure electrical supply
has been switched off and that it cannot
be accidentally switched on.
The control box orientation change should be made
before filling the system with fluid.
Pump liquid may be scalding hot and under high
pressure.
The control box can be rotated in steps of 90°.
Review fig. 3 for possible/permissible positions.
Only use orientations C and D for CSA Enclosure
Type 2.
Fig. 3 Changing the control box position
Procedure:
1. If fluid is present, drain system fluid from pump or
isolate system fluid from pump.
2. Loosen 4mm screws and turn the pump head to
desired position; see fig. 3.
3. Insert and cross-tighten the screws to 7 ft-lbs
torque.

6. Electrical installation

Warning
Risk of electrical shock - This pump is
supplied with a grounding conductor
and grounding-type attachment plug.
To reduce the risk of electric shock, be
certain that it is connected only to a
properly grounded, grounding-type
receptacle in accordance with the
National Electric Code and any state,
local governing codes and regulations.
All electrical work should be performed by a qualified
electrician in accordance with the latest edition of the
National Electric Code and state, local codes and
regulations.
• The motor of Grundfos Alpha is protected by the
electronics in the control box and requires no
external motor protection.
• Check that the supply voltage and frequency
correspond to the values stated on the pump.
• Only connect the pump to the mains with the cord
set supplied; see fig. 4.
• Lights on the control panel indicate that the
electrical supply has been switched on.
• Do not modify and only use cord set supplied.
3
Fig. 4 Connecting and removing power plug
2
5