Mitsubishi Electric CITY MULTI P1016V-E Specifications download pdf (Page 143)

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[4] LED Monitor Display

(1) How to read LED for service monitor

By setting of DIP SW1-1 ~ 1-8, the unit operating condition can be observed with the service LED on the control circuit

board. (For the relation of each DIP SW to the content, see the table provided.)

As shown in the figure below, the LED consist of 7 segments is put in 4 sets side by side for numerical and graphic

display.

OC : Outdoor unit SV : Solenoid valve THHS : Inverter radiator panel

IC : Indoor unit LEV : Electronic expansion valve

COMP : Compressor

SW1 : Outdoor unit control circuit board

E : Memory storage for service activities (sampling per minute)

7 seg LED

The numerical display includes that of pressure, temperature or the like, while the graphic display includes that of

operating condition, solenoid valve ON/OFF state or the like.

• Numerical display

Example : display at 18.8kg/cm

G (1.84MPa) of pressure sensor data (Item No. 56)

• Graphic display (Two LEDs aligned vertically express a flag.)

Example : At forcible powering in outdoor unit operation display

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Mitsubishi Electric CITY MULTI P1016V-E Specifications Page 143