DencoHappel ZGF.1E series Operation Manual page 107

Flex-Geko Fan Coil Unit
7.2.2 Shut-off valve settings (variants)
PR-2011-0115-GB • Subject to modifications • R4-12/2015
Check if shut off valves are open:
• Unscrew the protective cap (Fig. 7-2, Pos. 2).
• Close the valve by tightening the internal flow-control screw (Fig. 7-2, Pos. 3)
using a 4 mm hex key until the stop position on the right side.
• Tighten the pre-setting screw (Fig. 7-2, Pos. 4) until the stop position on the
right side.
• Perform adjustment by rotating as specified in the diagrams (see Fig. 7-3 with
Tab. 7-2 and Fig. 7-4 with Tab. 7-3). Turn the pre-setting screw in a counter-
clockwise direction (max. 8 turns).
• Use the hex key to open the flow-control screw (Fig. 7-2, Pos. 3) until the stop
position.
• Screw the protective cap back on.
Fig. 7-2: Adjusting shut-off valves
Stop valve
Pos. 1:
Protective cap
Pos. 2:
Flow-control screw
Pos. 3:
Pre-setting screw
Pos. 4:
NOTICE!
Regulation of the medium flow is performed by operating the shut off valve.
Safety and User Instructions
107