Mitsubishi FDTN208HEN-S Instruction Manual page 60

FDTN-H
DO NOT CONNECT THE NEUTRAL WIRE N TO L
PHASE. INTERCONNECTING WIRES MUST BE WIRED WITH SAME SYM-
BOLS ON THE TERMINALS OF BOTH INDOOR AND OUTDOOR UNIT.
INCORRECT WIRING CAUSE EQUIPMENT DAMAGE OR A FIRE.
(c) Wiring procedure
1) Remove set screws on the side before taking off the side panel (for model FDC206, 256) or the front panel (for model
FDC306, 406, 506) toward the direction shown in figure.
2) Connect wires to the terminal block correctly and fix the wires with a wire clamp equipped near by the terminal block.
3) Route the wires in a proper way and penetrate the wires through the opening for electric wiring on the side panel.
FDC206, 256 type
(4) Test run
THIS UNIT WILL BE STARTED INSTANTLY WITHOUT "ON" OPERATION
WHEN ELECTRIC POWER IS SUPPLIED. BE SURE TO EXECUTE "OFF"
OPERATION BEFORE ELECTRIC POWER IS DISCONNECTED FOR
SERVICING.
● This unit has a function of automatic restart system after recovering power
stoppage.
(a) Before starting test run (for all Heat pump models and Cooling only model FDC506CES)
Confirm whether the power source breaker (main switch) of the unit has been turned on for over 12 hrs to energize the
crankcase heater in advance of operation.
(b) Test run
Run the unit continuously for about 30 minutes, and check the following.
¡ Suction pressure at check joint of service valve for Gas pipe.
¡ Discharge pressure at check joint on the compressor discharge pipe.
¡ Temperature difference between return air and supply air for indoor unit.
270
OWARNING
Side panel
Opening for
electric wiring
OCAUTION
( R ), L ( S ) OR L
1 2
FDC306, 406, 506 type
Opening for
electric wiring
Front panel
( T )
3