NÁVOD NA MONTÁŽ
INSTALATION MANUAL
A1282_2
- 15 -
MJ
5.3 SCREWS FOR FIXATION ON THE WALL:
Attached item
Type of screw
Required
amount
Notes
Set for connecting and attaching the
expansion tank 3/4"
Max. dimension of screw: ø 8 mm
2 pcs.
Pump unit
Max. dimension of screw: ø 10 mm
2 pcs.
6. NOTES AND WARNINGS:
Max. number of collectors that can be connected to the pump unit depends on total required flow rate a
hydraulic resistance of the whole solar circuit. See power characteristics of Grundfos SOLAR 15/65
pump.
Minimal volume of expansion tank is 6 litres per one collector.
Warning: It is prohibited to install any closing elements between collectors, safety valve and
expansion tank.
7. SAFETY VALVE MANUAL
Membrane safety valves Art. 1917 / 1927, Art. 1918 / 1928
