Cassette Type Fan Coil Unit Owner`s Manual
9
Socket wrench
Torque wrench
Wire clamp
Medium sponge wrap
the joint with sealing pad
Insulation for tting
(atteached)
Water-in pipe
Water-out pipe
Fig.10,11
4.8 Connection of the motorized valve
Torque wrench
Valve
Spanner
Tape
Thread
fasten
Water inlet tube
Wiring interface
Water tube joint
Flare nut
Fig.12
(1) The installation of the motorized valve should be done according as Fig.12:rstly connect
one end of the tube joint with the water inlet tube of the unit, then connect the other end with the
motorized valve, and lastly connect the motorized valve with the are nut. During the installation,
both the torque wrench and the spanner should be used and the moment of torque should be within
90 N.M. Besides, a secure connection should be guaranteed.
(2) Both the tube joint and the motorized valve are G3/4” threaded. Prior to the connection, it is
recommended to wrap the Teon tape on the thread for better sealing effects.
(3) After the tube joint, motorized valve, water inlet tube , water outlet tube are connected
reliably, start the water pump of the outdoor unit to check if they leak or not.
(4) What should be done lastly is wrapping sponge around the motorized valve and the tube for
heat insulation.
Fig.13,14
(5) After the installation of the water tube and motorized valve is nished, connect the wire of
the motorized valve to the wiring board inside the unit shown as above.
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