Mitsubishi Electric MXZ-SM72TAM-U1 Service Manual page 108

SW1 Contents
setting
No. 12345678
47 11110100 State of LEV
control
48 00001100 State of compres-
sor frequency
control 1
49 10001100 State of compres-
sor frequency
control 2
50 01001100 Protection input
51 11001100 The second
current value
when micropro-
cessor of power
board abnormality
is detected
52 00101100 Heatsink tem-
perature when
microprocessor of
power board
abnormality is
detected
53 10101100 Outdoor LEV-A
opening pulse
54 01101100 Outdoor LEV-A
opening pulse
abnormality delay
55 11101100 Outdoor LEV-A
opening pulse
abnormality
56 00011100 Outdoor LEV-B
opening pulse
57 10011100 Outdoor LEV-B
opening pulse
abnormality delay
58 01011100 Outdoor LEV-B
opening pulse
abnormality
59 11011100 63LS (Low
pressure)
60 00111100 63LS abnormality
delay
61 10111100 63 LS abnormality
62 01111100 TH2 (HIC pipe)
63 11111100 TH2 (HIC)
abnormality delay
64 00000010 TH2 (HIC)
abnormality
65 10000010 Operational
frequency
66 01000010 Target frequency 0–255 (Hz)
67 11000010 Outdoor fan
control step
number
68 00100010 Indoor LEV
Opening pulse
(No. 1 to 30 units)
69 10100010 High pressure
sensor (Pd)
OCH800A_108
1 2 3
Cooling/ Cooling: Cooling/
Heating: SHd de- Heating:
Td over heat crease Min.Sj
prevention prevention correction
depends on
Td
Note: Display active LEV control
Condensing Compressor
temperature temperature
limit control control —
Note: Display active compressor frequency control
(High pressure and overheating control: only when connected to Ecodan)
Heat sink Secondary Input current
over heat current control
prevention control
control
Note: Display active compressor frequency control
(High pressure and overheating control: only when connected to Ecodan)
63LS HIC abnor-
abnormality mality
—
Note: Display detected microprocessor protection or abnormality
0–999.9 (Arms)
Note: Display data at time of abnormality
−99.9–999.9 (°F)
Note: Display data at time of abnormality
0–2000 (pulse)
Note: Display of data at time of abnormality and abnormality delay
−99.9–999.9 (psig)
Note: Display of data from sensor
−99.9–999.9 (psig)
Display of data at time of abnormality and abnormality delay
−99.9–999.9 (°F)
Note: Display of data from thermistor
−99.9–999.9 (°F)
Note: Display of data at time of abnormality and abnormality delay
0–255 (Hz)
Note: Display of actual operating frequency
Note: Display of target frequency
0–15
Note: Display of number of outdoor fan control steps (target)
0–2000 (pulse)
Notes:
•Address and display data are alternately displayed every second.
•Pressing SWP2 changes the displayed unit in ascending order; it returns to No. 1 after No. 30.
−99.9–999.9 (psig)
Note: Display of detected data of outdoor unit sensors and thermistors
LED1, 2
4 5 6
Cooling/ Heating: Heating:
Heating: LEV opening LEV opening
Min.Sj correction correction
correction depends on depends on
depends on Pd Td
Shd
Discharge Pd abnormali- Pd Back up
temp. ty control control
(heating) (heating) (heating)
backup
control
Unbalance Frequency Low pressure
control of restrain of decrease
3-phase receipt prevention
power supply voltage
change
Frozen 4-way valve Delay caused
protection disconnection by closed
abnormality valve in
cooling mode
7 8
Cooling:
Correction of
high com-
—
pression ratio
prevention
Freeze
prevention
— control at the
beginning of
SHd
Hz-up inhibit High pressure
control at the and overheat-
beginning of ing control
SHd
TH6 abnor- Power
mality module
abnormality