Led Display; Led Monitor Display - Mitsubishi Electric PURY-P200 Service Handbook

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LED display

[1] LED Monitor Display

1. How to read LED for service monitor
By setting of DIP SW1-1 ~ 1-10, 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
IC : Indoor unit L
SW1 : Outdoor unit control circuit board
E : Memory storage for service activities (sampling per minute)
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
• Graphic display (Two LEDs aligned vertically express a flag.)
Example : At forcible powering in outdoor unit operation display (Item No. 14)
2. LED display at initial setting
After turning the power on, the following model information will be displayed until the initial setting is done.
→ →
2
(Repeat No1
No SW1
1
2
Irrelevant
3
4
This LED display can be seen after the initial setting when No517, monitor display, setting is made.
SV : Solenoid valve
EV : Electronic expansion valve
COMP : Compressor
2 G (1.84MPa) of pressure sensor data (Item No. 72)
LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8
→
3 4)
Item
Software
version
Refrigerant
type
Unit type
&
capacity
M-NET
address
7 seg LED
Display
[0103]
[ 410]
[C-08]
[H-20]
[r-10]
[ 51]
- 196 -
THHS : Inverter radiator panel
Th : Thermistor
Remark
········ Version1.03
········ R410A
········ PUY 8 horsepower
········ PUHY 20 horsepower
········ PURY 10 horsepower
········ 51 address