− 30 −
F01 ： To set temperature of high temp. alarm performance in the range of +5℃～+15℃.
(initial value : +10℃)
F02 ： To set temperature of low temp. alarm performance in the range of -5℃～-15℃.
(initial value : -10℃)
F03 ： To set temperature of high temp. alarm performance in the range of +5℃～+15℃.
(initial value : +10℃)
Return to PV display except for lower compartment of MDF-U537D.
F04 ： To set temperature of low temp. alarm performance in the range of -5℃～-15℃.
(initial value : -10℃)
Return to PV display except for lower compartment of MDF-U537D.
F05 ： To set compressor delay start time
（performed only when main power supplied or microcomputer reset）
The function is to reduce compressor’s start up failure or breaker’s blown out that
caused by numbers of units simultaneous start up after power failure.
The setting range of time lag is 1～15 minutes. (Initial value is 1 minute on factory
outgoing)
SV before doing factory’s performance test, is 3 seconds or less. Therefore, the time
lag is 0 (3 seconds) when PCB replacement is
done in service. It is recommended to
input 1～15 for value when PCB is replaced.
F06 ： Input service code with key and key when F07 and following functions,
except F21, F22 and F25 would be performed. Press SET key to memorize service
code to enter function mode again to perform F07 and following functions.
Service code : 384
Note）Service code is memorized unless input “000” again in ”F06”, or turn power OFF.
(Turn OFF = buttery switch and power supply switch are turned OFF)
Note) After using service code on service, input “000” again in “F06”.
F07 ：To adjust 0 of temperature sensor (setting range: -9.9℃～+9.9℃)
Setting method: In ”Ｆ07” displayed, press SET key to display ”00.0”（initial value）.
Set temperature with key and key and press SET key
again to memorize set value. Input is done by differential value.
Ex） When actual temperature of 1/2h is shown –28.5℃and digital display is
shown -30℃, add +1.5 to value in F07.
Calculation = (-28.5-(-30)) = +1.5
key enables to change only “0” and “-“ in second digit and to change
“0”～”9” in first digit and first decimal
place.
key enables to shift the second digit ⇔ the first digit ⇔
the first decimal place⇔the second digit.
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