DencoHappel ZGF.1E series Operation Manual page 11

Flex-Geko Fan Coil Unit
PR-2011-0115-GB • Subject to modifications • R4-12/2015
Various unit parts indicated in Fig. 2-1 are specified in detail as follows.
Holding plate (Pos. 1)
The mounting panel is used to support the heat exchanger.
Heat exchanger (Pos. 2)
The heat exchanger for chilled and warm water has a connection fitting with 1/2"
internal thread as well as air vents and drain valves. Depending on unit use, the
heat exchanger is equipped with two connection fittings (water inlet and outlet in
a 2-pipe system) or with four connection fittings (water inlet and outlet in a 4-pipe
system).
The heat exchanger is designed for operation with a refrigerant (DX evaporator)
and, depending on the unit size, is equipped with 10 mm or 16 mm solder fittings.
Control panel (Pos. 3)
A control panel is an optional component. If available and depending on the con-
figuration, the control panel is mounted on the unit or supplied separately.
Metal sheet electric control box (Pos. 4)
Depending on the unit model, the galvanized steel sheet electrical control box
contains the following components:
One or more printed circuit board(s)
–
Contactors/relays
–
Terminal block(s).
–
NOTICE!
Depending on the configuration the unit can also be equipped with a terminal
box.
Filter element (Pos. 8)
Filter element is available in filter class G1, G2 or G3 and consists of a filter mat
in a frame. G2 and G3 filters must be replaced, G1 filter can be cleaned.
Main drain pan(Pos. 9)
The main drain pan is used to collect condensate of Flex-Geko and serves as a
holding plate for one or more fans.
Fan with casing (Pos. 10)
The fan consists of one or more centrifugal impellers of a single and/or tandem
fan type. The centrifugal fans are equipped with low-noise, maintenance-free ball
or sleeve bearings. The motors are performed and can be selected as stage
motors (AC) or continuously variable (EC motors), motor protection is ensured
through integrated (optional externally and lead out) thermal contacts or block-up
protection with an EC motor. These are performed in IP44 or IP32 protection type
and insulation class B.
Safety and User Instructions
11