Vertical Exposed Fan Coil Unit
12
2.8 Electric wiring
2.8.1 Precautions for electric wiring
(1)
All electric wiring should be performed by the qualified technical in accordance with local standards,
regulations and this manual.
(2)
The specialized electric circuit with rated voltage should be used for the power supply.
(3)
Do not pull the power supply lines by force. It is recommendable to use YZW 3x1.0 power supply lines.
(4)
The power lines should be sized sufficiently. The damaged power lines and connection lines should be
replaced by specialized lines.
(5)
The unit should be connected to the specialized grounding device by the qualified servicemen. For the
fixed lines, there should be the breaker and air switch with sufficient capacity. The air switch should be
of the magnetic or electric trip-off functions so as for shortcutting and overloading protection.
(6)
The unit should be grounded reliably. The yellow-green line is the grounding line. Do not put it into
other use, or cut it. The grounding line cannot be fixed with self-tapping screws; otherwise it would
lead to electric shock. The grounding line cannot be connected to the running water line, the gas line,
the drain line and where it is not approved.
(7) A fuse (250VAC, T3.15AH) should be used for the unit.
2.8.2 Steps for electric wiring
(1)
Open the electric box and pull the power lines and connection lines of the electric water valve through
the rubber rings. Then, fix them with the wire clamps.
(2)
Perform wiring in accordance with the electric wiring diagram.
(3)
Fix the lines with the wire clamps.
2.8.3 External wiring diagram
Note: The wiring diagrams as shown above are just for reference. Those struck to the main body of the
unit always prevail for repair and maintenance.
