Och636A - Mitsubishi Electric PUZ-A12NKA7 Service Manual

SW2 setting
Indoor setting temperature
ON
62 to 86
1 2 3 4 5 6
Outdoor pipe temperature/2-phase
ON
pipe (TH6)
−58 to 194
1 2 3 4 5 6
Outdoor outside temperature
ON
(TH7)
−58 to 194
1 2 3 4 5 6
Outdoor heat sink temperature
(TH8)
−40 to 327
ON
1 2 3 4 5 6
Discharge superheat. SHd
ON 32 to 360
Cooling = TH4 or TH33−TH6
1 2 3 4 5 6
Heating = TH4 or TH33−TH5
Number of defrost cycles
0 to FFFE
ON
1 2 3 4 5 6
Input current of outdoor unit
ON
1 2 3 4 5 6
LEV-B opening pulse
ON
1 2 3 4 5 6
U9 error detail history (latest)
ON
1 2 3 4 5 6

OCH636A

Display detail
62 to 86 [17 to 30:]
−58 to 194 [−50 to 90:]
(When the temperature is 0˚F or less, "–" and
temperature are displayed by turns.)
−58 to 194 [−50 to 90:]
(When the temperature is 0˚F or less, "–" and
temperature are displayed by turns.)
−40 to 327 [−40 to 164:]
(When the temperature is 0˚F or less, "–" and
temperature are displayed by turns.)
(When the thermistor detects 100˚F or more,
hundreds digit, tens digit and ones digit are
displayed by turns.)
32 to 360 [0 to 182:]
(When the temperature is 100˚F or more, hundreds digit,
tens digit and ones digit are displayed
by turns.)
0 to FFFE (in hexadecimal notation)
(When more than FF in hex (255 in decimal), the num-
ber is displayed in order of 16
16
(Example) When 5000 cycles;
0.5 s 0.5 s 2 s
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
0 to 480
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
The black square (
Explanation for display
's places.
0
9
Description
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L -phase open error
1
Abnormal power synchronous signal
PFC error
(Overvoltage / Undervoltage / Overcurrent)
* Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
L phase open error (04) + PFC error (10) = 14
1
79
■
) indicates a switch position.
's and 16 's, and 16 's and
3 2 1
C4
Display
00
01
02
04
08
10
Unit
˚F
[:]
˚F
[:]
˚F
[:]
˚F
[:]
˚F
[:]
2 cycles
0.1 A
Pulse
Code
display