25
Floor Ceiling Type Fan
Coil Unit Service Manual
6 Motorized valve
6�1 Installation
(1) The installation of the motorized valve should be done according as Fig.17.Firstly 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.
Flare nut
Wiring interfac
e
Water outlet tube
Torque wrench
Thread fasten
panner
Valve
Tape
Water tube join
t
Fig.17
(2) Both the tube joint and the motorized valve are G3/4" threaded. Prior to the connection, it is
recommended to wrap the tacky tape on the thread for two or three cycles 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.
Body
Valve
Inlet tube
Outlet tube
Pipe sleeve
Power cord
Terminal Board
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