69
OCH754A
1
ON
2 3 4 5 6
Discharge superheat. SHd
0 to 458
Cooling = [Higher temperature of
TH4 or TH32] −TH6
Heating = [Higher temperature of
TH4 or TH32] −TH5
0 to 458 [0 to 255˚C]
(When the temperature is 100
˚F
or more, hun-
dreds digit, tens digit and ones digit are displayed
by turns.)
Number of defrost cycles
0 to FFFE
0.1 A
Input current of outdoor unit
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
SW2 setting
1
ON
2 3 4 5 6
Display detail
Explanation for display
Unit
˚F [˚C]
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Indoor setting temperature
62 to 86
Outdoor pipe temperature/2-phase
(TH6)
−38 to 190
Outdoor heatsink temperature (TH8)
−40 to 327
62 to 86 [17 to 30˚C]
˚F [˚C]
˚F [˚C]
˚F [˚C]
−38 to 190 [−39 to 88˚C]
(When the temperature is
0˚F [0˚C
] or less, “–” and
temperature are displayed by turns.)
−40 to 327 [−40 to 164˚C]
(When the temperature is
0˚F [0˚C
] 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.)
Outdoor outside temperature (TH7)
−38 to 190
−38 to 190 (−39 to 88˚C)
(When the temperature is
0˚F [0˚C
] or less, “–” and
temperature are displayed by turns.)
The black square (■) indicates a switch position.
Pulse
LEV-B opening pulse
0 to 480
0 to 480
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
1
ON
2 3 4 5 6
U9 error detail history (latest)
1
ON
2 3 4 5 6
Code
display
2 cycles
0 to FFFE (in hexadecimal notation)
(When more than FF in hex (255 in decimal), the
number is displayed in order of 16
3
's and 16
2
's, and
16
1
's and 16
0
's places.
Example: When 5000 cycles;
0.5 s 0.5 s 2 s
C4
9
˚F [˚C]
Normal
Overvoltage error
Undervoltage error
Input current sensor error
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
L1 phase open error (04) + PFC error (10) = 14
Description
Display
00
01
02
04
08
10