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6. Insert the threaded rods into the hangon brack-
ets (fig. 2.11)
7. Secure the unit by tightening the supplied nuts.
2.11
Compact Version example
Hydraulic connections
On open system (e.g. when using well water), the wa-
ter used should be cleaned from suspended matter
by means of a filter which should be located in the
inlet. Otherwise there is a risk of erosion due to sus-
pended matter.
You must also ensure that the unit is protected from
dust and other substances that cause an acid or al-
kali reaction when combined with water (aluminum
corrosion).
Maximum working pressure: 10 bar.
Always use two spanners to connect the coil
to the pipes.
Always fit a gate valve in the water circuit.
To avoid leakage please insulate the threated ends
of the tubes with hamp and tighten them with care.
Please make sure that no leakage occurred.
If the unit is used for cooling, insulate the pipes and
valve to avoid drops of condensate forming.
During the summer and when the fan is inactive for
long periods, you are recommended to shut off the
water supply to the coil to avoid condensation form-
ing on the outside of the unit.
If the appliance is equipped with a conden-
sate collection tray, please always mount a
siphon according to the label on the unit.
A siphon trap must be connected to each
condensate drain. Siphons traps must be
connected to a single collection pipe. Sev-
eral drainage pipes cannot flow into one
siphon trap.
The height of the water column H (mm H
greater than the maximum pressure of the unit (Pa).
H (mm) = [Maximum unit pressure (Pa)] / 10
EN
O) must be
2
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