Cassette Type Fan Coil Unit
11
When to manually start the valve, please carefully push the manual haft to the outside, and
when the haft is ever the slot, then softly push it down and then the valve is in the open condition
,when to push the haft upward, the valve will return to its position at the help of its own spring .At
this time, the valve is now in normal condition again.
8.2 Installation
(1) The installation of the motorized valve should be done according as Fig.18.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 flare 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 interface water outlet tube
Torque wrench
Thread fasten
Spanner
Valve
Tape
Water tube join
t
Fig.18
(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
Vavle
Intlet tube
Outlet tube
Pipe sleeve
Powerr cord
N
L
YV
WATER
VALVE
YV
PE
Power
Terminal Boar
N
L
Fig.19
