Grundfos Heat Pump grundfos alpha Manual De Usuario

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5
5. Changing the control box position
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
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.
Fig. 4
Connecting and removing power plug
Warning
Before starting any work on this 
circulator, make sure electrical supply 
has been switched off and that it cannot 
be accidentally switched on.  
TM
04
 34
18
 44
08
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.
TM
04
 34
20
 44
08
Insert line cord plug onto pump
To remove cord plug from pump:
1
2
3
(Side view)
(Bottom view)
Grundfos.bk  Page 5  Wednesday, March 11, 2009  2:27 PM