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Setting and Indication of the Control PCB
Setting/Display Listing
Digital display and operation list
DIP
DIP
Rotary switch
Mode
switch
Switch
(Knob) position
SW13-8
SW13-7
Operation
（運転）
ON
OFF
Operation mode
（運転モード）
Standard
pressure setting
OFF
OFF
（標準圧力設定）
Pressure
（圧力）
Frequency
（周波数）
Suction
（吸入）
Discharge
（吐出）
Alarm history
（警報履歴）
ON
OFF
Operation mode Standard "Low-press. DIFF.
Standard
pressure setting Forced stopping time
Pressure
ON
OFF
Frequency
Suction
Discharge
Alarm history
ON
OFF
Operation mode Oil level display
Standard
OFF
ON
pressure setting
Pressure
Frequency
Suction
Discharge
Alarm history
Display/Setup
Low pressure:
The display alternates
between Low pressure
High pressure:
High pressure
Unit outlet
pressure.
Unit outlet pressure:
Control "ON value"
0.76 to 5.00 (MPa)
Control "OFF value"
0.68 to 4.92 (MPa)
Fixed to "High fresh storage mode
Operation mode display
(FrE)"
Initial "F" display
Standard pressure setting No.
No.1 to No.4 selection
(4 patterns)
High pressure: ∗∗∗ H (MPa)
High pressure/
Intermediate pressure: ∗∗∗ c (MPa)
Intermediate pressure/
Unit outlet pressure: ∗∗∗ o (MPa)
Unit outlet pressure/
Low pressure: ∗∗∗ (MPa)
Low pressure display
∗∗ . ∗∗ (s
Inverter frequency display
Suction gas temperature
∗∗∗∗ (°C)
display
Discharge gas temperature
∗∗∗∗ (°C)
display
E ∗∗∗ (Alarm code)
Alarm history (alarm code)
Latest 50 items
display
(Older data erased)
Standard "ON value"
0.76 to 5.00 (MPa)
Standard "OFF value"
0.68 to 4.92 (MPa)
0.08 to 2.00 (MPa)
value"
30 sec to 180 sec
(1 sec increment)
Communication controller
Fixed to "Pan"
0: No communication
Communication refrigeration
unit No.
1 to 49: When communication is
Fixed to "High fresh storage mode
Operation mode
(FrE)"
Select from "Auto mode (Auto)",
Fan operation mode
"Normal mode (Fnor)", or "Low
noise mode (F_Lo)".
Fixed to "No.1 compressor
Operation sequence
prioritized (nor)"
High pressure: ∗∗∗ H (MPa)
High pressure/
Intermediate pressure: ∗∗∗ c (MPa)
Intermediate pressure/
Unit outlet pressure: ∗∗∗ o (MPa)
Unit outlet pressure/
Low pressure: ∗∗∗ (MPa)
Low pressure display
Other temperature display
∗∗∗∗ (°C)
(Suction, Unit outlet, Split cycle
outlet, Gas cooler outlet)
Displays by "Lower limit", "Mid
level", or "Upper limit"
Electronic expansion valve
MOV1: 1. ∗∗∗ (step)
opening display
- - - : 2.
(Oil control)
Electronic expansion valve
MOV5: 5. ∗∗∗ (step)
opening display
MOV6: 6. ∗∗∗ (step)
(Pressure reduction, Gas
MOV6: 7. ∗∗∗ (step)
return, Liquid return)
∗∗∗∗ (A)
Inverter operation current
∗∗∗∗ (rpm)
Gas cooler fan speed
―
∗∗∗∗ (°C)
Ambient temperature display
Lo.0.00 to 9.98 (MPa)
Lo-H, 0.00H to ∗∗∗ H (MPa)
Lo-o, 0.00o to ∗∗∗ o (MPa)
-1
)
(Setting at shipment)
used.
0 (fixed)
―
Remarks
Press ▲: Red LED blinking cancelled
During pressing ▼: Indicates
evaporating temperature
Press ▼and release: Indicates low
pressure
(Only when no alarm code is indicated)
Setting cannot be changed.
Press ▲: Control "Lim value"
Press ▼: Control "
Low-press. DIFF. value
Setting cannot be changed.
Press ▼: Fan operation mode display
Press ▲: Increase the set value
Press ▼: Reduce the set value
Press ▲:Increase the displayed value
Press ▼: Reduce the displayed value
[E.g.] In the case of more than 10 (s
xx.0
In the case of less than 10 (s
x.00
Press ▲: Suction heating rate (K)
Press ▼: Unit outlet temperature (°C)
―
Press ▲: Older data
Press ▼: Newer data
Press ▲: Increase the set value
Press ▼: Reduce the set value
Setting cannot be changed.
Press ▲: Increase the set value
Press ▼: Reduce the set value
Setting cannot be changed.
Press ▲: Increase the set value
Press ▼: Reduce the set value
Setting cannot be changed.
Press ▲: Increase the displayed value
Press ▼: Reduce the displayed value
Refer to "Oil Level Control Method."
Refer to "Oil Level Control Method."
Press ▲: Increase the displayed value
Press ▼: Reduce the displayed value
Press ▲: Increase the displayed value
Press ▼: Reduce the displayed value
―
―
Press ▲: Microprocessor Ver.
Press ▼: Clear alarm history
―
"
-1
)
-1
)
29
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