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1.5.2 Cold Treatment Transport
Units equipped with USDA receptacle can perform
cold treatment transport in conformity with USDA.
Regarding cold treatment transport, note the
followings.
● Setting of USDA sensors
4 ：4 USDA sensors connected
3 ：3 USDA sensors connected
AUTO： Automatically recognizes the number of
USDA sensors (Note 1)
OFF ： No USDA sensor connected
Note 1. USDA sensor can record the temperature
ranging from –30.0℃ to +40 ℃ .
It does not meet the USDA standards.
Refer to paragraph 2.3 ※2-4 USDA setting
●USDA sensor calibration
USDA sensor must be calibrated for each
transportation. Connect the PC with installed DCCS
software and operate according to procedure.
For detail, refer to operation manual for personal
computer software.
Checking USDA sensor type setting
USDA sensor type includes "NTC (Standard)" type
and "ST9702-1" type.
If a hugely different calibration value is obtained at
calibration, it is possible that USDA sensor type is
incorrect.
Check with the drawings below since the
receptacles vary depending on the sensors.
Receptacle for
NTC (Standard)
3 Pin
setting "2"
Access to setting confirmation： ※4 Configuration
Set Information in paragraph 2.3.
Access to setting change： ※12 Configuration Set
in paragraph 2.3.
Receptacle for
ST9702-1
7 Pin
setting "1"
1-18
●USDA report
Temperature record data during cold treatment
transport can be prepared in the format in
conformity with USDA standards which is
downloadable from the PC that installed DCCS
software. For detail, refer to operation manual for
personal computer software.
● Checking survival voltage of the wake-up
battery
Temperature data must be recorded for at least
72 hours after the power is turned off. Check
the survival voltage of the wake-up battery
(Rechargeable battery) connected to controller
prior before transport.
The survival voltage can be checked in the battery
mode (※15 Data information (Battery mode) in
paragraph 2.3) or during operation (※3 Sensor
Information in paragraph 2.3).
●Indications during USDA operation
During USDA operation, the SET-MODE area will
change to USDA INFO every 5 seconds, and
the USDA sensor value will be displayed. (Diagram
below)
Current supply / return air temperature and each
USDA sensor values are shown on LCD display
automatically without press any operation key.
CHILLED
MODULATION
SET POINT
SET-MODE
-1.0
C
USDA
˚
SUPPLY
-1.1
˚C
Automatically
RETURN
1.7
DEF-INT AUTO
℃
switches
every 5
HP :
1200kPa
LP :
20kPa
seconds
CHILLED
MODULATION
SET POINT
USDA Info.
-1.0
C
USDA1
-0.8℃
˚
USDA2
ERROR
USDA3
-0.6℃
SUPPLY
CTS
N/A
-1.1
˚C
RETURN
1.7
DEF - INT AUTO
℃
HP :
1200kPa
LP :
20kPa
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