Check If Drainage Water Flows Smoothly - Sinclair SF-12C User Manual

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.
(2). Both the tube joint and the motorized valve are G3/4" threaded. Prior to the connection, it is
recommended to wrap the Teflon 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.
(5). After the installation of the water tube and motorized valve is finished, connect the wire of the
motorized valve to the wiring board inside the unit .
Attention: the wire must be constricted by the heat-shrinkable stub pipe and go through a PVC
bushing.
(6). When the wiring is completed, take a careful check and then start the water pump and unit to
see if the motorized valve works normally or not.

7.4 Check if drainage water flows smoothly.

Add approximately 600 cc of water to the drainage trough through air outlet or inspection hole
slowly and check drainage flow.
When electric wiring is finished. check drainage flow during cooling operation.
Cassette Type Fan Coil Unit Owner's Manual
(230 V)
12