Insulating The Pump Housing - Grundfos ALPHA2 Series Installation And Operating Instructions Manual

3.3.2 Positioning the control box in air-conditioning and
cold-water systems
Position the control box with the plug pointing downwards. See
fig. 4.
Fig. 4 Control box position, air-conditioning and cold-water
systems
3.3.3 Changing the control box position
WARNING
Pressurised system
Death or serious personal injury
- Tighten the bolts before opening the isolating
valves. The pumped liquid may be scalding hot
and under high pressure.
If you change the position of the control box, fill the
system with the liquid to be pumped or open the
isolating valves.
You can turn the control box in steps of 90 °.
1. Remove the four screws.
2. Turn the pump head to the desired position.
3. Insert and cross-tighten the screws.
2
3
Fig. 5 Changing the control box position

3.4 Insulating the pump housing

Fig. 6 Insulating the pump housing
You can reduce the heat loss from the pump by insulating the
pump housing with the insulating shells supplied with the pump.
See fig. 6.
Do not insulate the control box or cover the operating
panel.
5