Installing the solar pump station | 9
6 720 811 270 (2015/04)AGS10-2, AGS10E-2, AGS20-2, AGS50-2
Earthing pipes
Arrange for work to be performed by a competent person.
▶ One earthing clamp must be fitted to both the flow pipe and the return
pipe (at any position).
▶ Connect the earthing clamps to the building's equipotential bonding
strip by means of a standard PVC-sheathed bonding cable (cable to be
sized in accordance with BS7671).
Insulating pipework
▶ Thermally insulate the pipework in the entire solar circuit in
accordance with regulations and best practice.
▶ Insulate outdoor piping with material which is both resistant to UV
light and high temperatures (up to 150 °C).
▶ Insulate indoor piping with material which is resistant to high
temperatures (up to 150 °C).
▶ Protect the insulation against damage from animals if required.
Fig. 11 Minimum requirements of the insulation
5 Installing the solar pump station
5.1 Layout of the installation space
To make it easier to connect the temperature sensors:
▶ Install the solar pump station [2] as close as possible to the solar
cylinder [1].
▶ Allow enough room for a solar expansion vessel [3] and holding
container [4].
Fig. 12 Recommended positioning (measurements in mm)
[1] Solar cylinder
[2] Solar station
[3] Expansion vessel
[4] Drip pan
5.2 Mounting the solar pump station
Use a socket (13 mm) with a 150 mm extension to screw in the screws.
With shorter extensions, the handles and temperature gauges [3] can be
pulled forwards and removed for easier access to the screws.
Single-line solar pump station
▶ Drill hole and fix solar pump station using rawl plug and screw
supplied [1, 2].
Twin-line solar pump station
▶ Drill holes spaced 60 mm apart and fix solar pump station using rawl
plugs and screws supplied [4, 2].
Fig. 13 Mounting the station
[1] Mounting for single-line solar pumping station
[2] Rawl plugs and screws supplied
[3] Thermometer
[4] Mounting for twin-line solar pump station
5.3 Electrical connection
UV
> 150 °C
> 150 °C
6720801165.10-1.ST
7747006489.07.3 ST7747006489.07.3 ST
Observe minimum clearances from the solar pump
station to the collector array of the vacuum tube
collectors ( Chapter 4.2, page 8)
DANGER: Danger to life through electric shock!
▶ Before carrying out work on electrical components,
isolate them from the power supply (230 V AC) (fuse,
circuit breaker) and secure against unintentional
reconnection.
Electrical connections must only be completed by
appropriately qualified engineers subject to local and
national regulations.
NOTICE: Damage through pump running dry!
▶ Do not run the pump until the pipework system has
been filled.
4
1
10
13
150 mm
2
60 mm
3
6720801165.11-2.ST
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