Cassette Type Fan Coil Unit
10
(3) Insulate it as shown in the gur below.
Use sealing pad to wrap the water-in/out pipe and the insulation .
Socket wrench
Torque wrench
Water-out pipe
Water-in pipe
Insulation for fitting
(attcached)
Wire clamp
Medium sponge
(wrap the joint with sealing pad)
Fig.15 Fig.16
8 Motorized valve
All units must be equipped with a motorized valve .
There would be a water ood risk for some units without motorized valves .
The pipe must be wrapped by heat insulation material to prevent condensing water drips.
It is prohibited to bind directly the water valve wire and sponge up with the copper tube, as
there would be probably a short circuit or even electric leakage. The right way is letting the water
valve wire go through the pipe sleeve and then binding the sponge and pipe sleeve.
The unit don't supply with the motorized valve. All uses buy it themselves for their units .
8.1 Technical and operational Instructions
The mtorized valve used for the unit could be 3-way or 2-way .The real used for it should
agree with the tatol air conditioner system.
The gures in this manual may be different with the material objects, please refer to the
material objects in the unit's xed and used.
The working principle of the mtorized valve is as Fig.17
Power supply
Switch
Bypass pipe
Flow in
Fan coil unit
Flow out
Fig.17
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