52
Solar Pump Station
13.2 Installation and Operating
Instructions for OEM Solar
Pump Station
Art. Circulating
No.s Description pump
222154 Solar GRUNDFOS
Station –1 RS 15/6 SOLAR
15-60 130
Technical Data
Operating pressure: Max. 6 bar
Operating Flow: Max. 140°C
temperature: Return: Max. 120°C
Medium: Water with max.
50% glycol
Internal dimension: DN 20
Screw connections: Flat-sealing union
nut G1, 1
1
/
4
”
Materials:
Gaskets: EPDM
Housing/ GK-Cu Zn 37 Pb
connecting parts: (2.0340.02)
CuZn39Pb3
(2.0401)
Insulation: Expanded
polypropylene (EEP)
foam
Thermal
conductivity: 0.025 W/mK
For maintenance purposes (e.g. pump
replacement) the flow and return ball
valves must be closed (Figure 109,
item 42 and 43)
Item Description
42 Flow ball valve with thermometer,
integrated gravity brake
43 Return ball valve with
thermometer, integrated gravity
brake
44 Pressure gauge
45 Solar safety valve, 6 bar
46 Circulating pump
47 Flush/fill gate valve
48 Flow meter
49 Air collector
50 Bleed valve
51 Connection supports G
1
/
2
” IG,
closed off with plastic plugs
52 Expansion vessel connector
49
45Rp
3
/
4
” Rp
3
/
4
”
Rp
3
/
4
”
ca.548,5
522mm
52
50
42
51
44
43
46
47
48
Figure 109: Pump Station Components
Figure 110: Dimensions
305mm
62.5mm 75mm125mm
ca.166
60mm
13 Solar Pump Station
Important:
All system pipe connections must
use compression fittings with
brass olives. Soft soldered joints
must NOT be used on the solar
primary circuit.
Plastic pipe must NOT be used
for any part of the solar primary
circuit.
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