74
OCH670
1
ON
2 3 4 5 6
°C
Discharge superheat SHd
0 to 255
SHd = TH4-TH6
0 to 255
(When the temperature is 100 °C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
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.)
Pulse
LEV-B opening pulse
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
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
°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
17 to 30
Outdoor 2-phase pipe (TH6)
- 39 to 88
Outdoor heatsink temperature (TH8)
- 40 to 200
17 to 30
°C
°C
°C
- 39 to 88
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
- 40 to 200
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
(When the thermistor detects 100
:
or more,
hundreds digit, tens digit and ones digit are displayed
by turns.)
Outdoor ambient temperature (TH7)
- 39 to 88
- 39 to 88
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L
1
-phase open error
Abnormal power synchronous signal
PFC/error (PUHZ-P
∙
VKA)
(Overvoltage/Undervoltage/Overcurrent)
PFC/IGBT error (PUHZ-P
∙
VKA)
Undervoltage
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
L
1
phase open error (04) + PFC error (10) = 14
Description
Display
00
01
02
04
08
10
20
U9 error detail history (latest)
Code
display
1
ON
2 3 4 5 6
Number of defrost cycles
0 to FFFE
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
The black square ( ) indicates a switch position.
