Cassette Type FCU
12
＜500mm
.
＜75mm
Drain hose
(c) When multiple drain pipes will join together, connect them as the gure below. The T-shaped joint
should be sized properly.
Above 100mm
T-shaped
connector
2.8 Installation of the Water Valve
2.8.1 Precautions
Flared nut
Outlet pipe
Torque wrench
Screw
Ordinary wrench
Valve
Teflon tape
Connector
Screw
(1) See the gure above for installation of the water valve. Firstly, connect one end of the water pipe to
the water inlet of the unit, and then connect the other end to water valve. During installation, both the
torque wrench and ordinary wrench should be used. For the former, the torque should be less than
90N.m.
(2) The pipe connectors and the water valve are G3/4 threaded. In order for better sealing effect, before
connection they should be wrapped with Teon tape.
(3) After the connector, the water valve and the water pipes have been nished, start the water pump and
see if they leak or not.
(4) Insulate the water valve and the pipe with sponge.
(5) When the water pipe and water valve have been installed, connect the connection line of the valve to
the wiring board of the unit.
(6) Check the wiring carefully and then start the water pump and unit to see if they work normally.
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