Connection Nozzle; Connecting The Valve Coupling For Membrane Expansion Vessels; Solar Control/Electric Installation; Maintenance - Velux TFF 200 Directions For Use Manual

8. Connection Nozzle (10)

An immersion sleeve with a G½" male thread for
attaching a temperature sensor can be connected to
the flow ball valve (Figure 1, pos. 1).
9. Connecting the Valve Coupling for
Membrane Expansion Vessels (Fig. 7)
Pos. 17, 18, 20, and 21 are not included.

10. Solar Control/Electric Installation (16)

Note:
• The electric installation must be performed by
an authorised professional!
• Fuses, wiring, and grounding must be installed in
compliance with local regulations.
• The solar control must be protected against
overcurrent damage.
• Disconnect the system from the mains before
opening the casing of the solar control!

11. Maintenance

For maintenance tasks (e.g., replacing the pump),
close the flow and return ball valves and the shut-off
in the drain fitting (Figure 1, pos. 1 and 2).
SECTION II: SOLAR PUMP STATION
Figure 7: Valve Coupling Connection.
The pump cable and the power cord are already con-
nected to the solar control.
Remove the screw in the cover of the solar control
(pos. 16) to access the sensor terminal.
Connect the sensors according to the installation
guide of the solar control.
See the installation guide of the solar control for a
description of the functions and instructions for use.
18 *
17 *
18 *
20 *
21 *
19
21 VELUX