Cassette Type Fan Coil Unit Owner`s Manual
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(2) Don't drag the power cable emphatically.
(3) If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualified persons in order to avoid a hazard.
(4) It should be reliably earthed, and it should be connected to the special earth device. The air
switch must have the functions of magnetic tripping and heat tripping, in order to protect the
short circuit and overloading.
(5) The Min. distance the unit and combustive surface is 1.5m.
Make sure that the Line wire or Zero line as well as the earth wire in the family power socket
can not be wrong connected, there should be reliable and no short circuit in the diagram.
Wrong connection may cause fire.
1.3 Earthing requirements
(1) The unit is type I electric appliance, thus please do conduct reliable earthing measure.
(2) The yellow-green wire is for earthing and cannot be used for other propose. It cannot be cut off
and can be fixed it by screw, otherwise it would cause electric shock.
(3) The earth resistance should accord to the National Criterion.
(4) The user power must offer the reliable earthing terminal. Please don't connect the earthing wire
with the following place:
■ Tap water pipe . ■ Gas pipe
■ Contamination pipe . ■ Other places that professional personnel consider them unreliable
(5) The appliance shall be installed in accordance with national wiring regulations.
(6) Installation must be performed in accordance with the requirement of NEC and CEC by
authorized personnel only
1.4 Others
(1) The connection method of unit and power cable as well as the interconnect method of each
isolated component should refer to the circuit diagram stick on the unit.
(2) The model of the blown fuse and rated value should refer to the silk-screen on the controller or
fuse sleeve.
(3) The appliance shall be installed in accordance with national wiring regulations.
(4) Children should be supervised to ensure that they do not play with the appliance.
(5) After the field commissioning, the water discharge valves, gas release valves, and drain pipes
shall be insulated properly, otherwise they if exposed directly in the air would lead to condensing
and dewing.
2 Notices for use
2.1 Working principle for cooling
Principle:
The unit absorbs the air from the indoors and sends it away through circulation of cooling water,
so as to reduce indoor ambient temperature. Accordingly, the lower of temperature of the water is,
the larger of cooling capacity of the unit.
2.2 Working principle for heating
Principle:
Air circulation forced by the fan transfers the energy from hot water to the air indoors so as to
