Mitsubishi Electric PUHZ-RP250YHA2 Service Manual page 68

SW2 setting
Indoor setting temperature
ON
17~30
1 2 3 4 5 6
Outdoor pipe temperature / 2-phase
(TH6)
ON
-39~88
1 2 3 4 5 6
Outdoor ambient temperature (TH7)
-39~88
ON
1 2 3 4 5 6
Outdoor heatsink temperature (TH8)
-40~200
ON
1 2 3 4 5 6
Discharge superheat SHd
0~255
ON
Cooling = TH4-TH6
1 2 3 4 5 6 Heating = TH4-TH5
Subcool SC
0~130
ON
Cooling = TH6-TH3
1 2 3 4 5 6 Heating = TH5-TH4
Input current of outdoor unit
ON
1 2 3 4 5 6
U9 Error status
ON
1 2 3 4 5 6
DC bus voltage
ON 300-750
1 2 3 4 5 6
Display detail
Explanation for display
17~30
-39~88
(When the temperature is 0
temperature are displayed by turns.)
-39~88
(When the temperature is 0
temperature are displayed by turns.)
-40~200
(When the temperature is 0
temperature are displayed by turns.)
(When the thermistor detects 100
hundreds digit, tens digit and ones digit are
displayed by turns.)
0~255
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
0~130
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by turns.)
0~500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
Description
Normal
Power circuit board
Overvoltage error
Power circuit board
Undervoltage error
Input current sensor error
Controller circuit board
L -phase open error
1
Power circuit board
Abnormal power synchronous signal
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
300-750
(When it is 100V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
68
or less, "–" and
or less, "–" and
or less, "–" and
or more,
Detection point Display
— 00
01
02
04
08
display
Unit
°C
°C
0.1 A
Code
V