DencoHappel ZGF.1E series Operation Manual page 52

Safety and User Instructions
5.4.3 Medium connection in a 4-pipe system
Wall and ceiling unit, 2-way valve
Wall unit
Fig. 5-12: Wall and ceiling unit, piping connection in a 4-pipe system
Wall and ceiling unit, 3-way valve
Wall unit
Fig. 5-13: Wall and ceiling unit, piping connection in a 4-pipe system
Valve actuator motor cooling
Pos. 1:
Valve actuator motor heating
Pos. 2:
Supply line cooling
Pos. 3:
Return line cooling
Pos. 4:
Supply line heating
Pos. 5:
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Ceiling unit
Ceiling unit
Return line heating
Pos. 6:
Shut off valve (optional)
Pos. 7:
Lateral condensate pan
Pos. 8:
Ball cock (optional)
Pos. 9:
PR-2011-0115-GB • Subject to modifications • R4-12/2015
Flex-Geko Fan Coil Unit