Yamato DNF301 DNF401 User manual

Variable wind-speed constant-temperature
drying oven
(2in1 oven)
DNF301
DNF401/411
DNF601/611
Instruction Manual
First Edition
●Thank you for purchasing “Variable wind-speed
constant-temperature drying oven (2in1 oven)DNF301/
DNF401/411/ DNF601/611” of Yamato Scientific Co., Ltd.
●In order to use this Equipment properly, please read
this Instruction Manual and Warranty Card thoroughly
before use. Keep them in safe place close to this
Equipment so that you can refer to them any time.
Warning: Please read the important warning
notes in this Manual carefully and
thoroughly, and get the good
understanding of their contents
before using this Equipment.
Yamato Scientific America Inc．
Santa Clara，CA
Printed on recycled paper
Ovens Available From:
For Information and to Order
Contact Us At:
323-770-0634 800-574-2748
Email: [email protected] Web Site:
www.LRE.com

Contents
1. Safety Precautions................................................................ 1
Explanation of symbols .................................................................1
List of symbols.........................................................................2
Residual risk map ......................................................................3
Warnings･Cautions.....................................................................4
List of residual risks ....................................................................5
2. Before operating the Equipment.................................................... 6
Precautions when installing the Equipment ................................................6
3. Names and functions of each part ................................................. 11
External view.........................................................................11
3. Names and functions of each part ................................................. 12
System ..............................................................................12
Structure diagram .....................................................................13
Control Panel.........................................................................14
4. Operating procedure ............................................................. 15
Prior confirmation .....................................................................15
Date & Time setting ...................................................................16
Buzzer function selection...............................................................18
Fixed temperature operation............................................................20
Auto stop operation....................................................................24
4. Operating procedure ................................................................27
Operation of the variable wind-speed function and the method of entry .......................30
Program operation ....................................................................32
Programming Method..................................................................35
Programming Method..................................................................36
How to copy or delete programs.........................................................43
About the wait function.................................................................45
Setting key lock mode .................................................................46
Calibration offset......................................................................47
Calibration offset......................................................................48
Setting the recovery mode..............................................................49
Resetting integrated CO2 volume and CO2 emission factor.................................50
Backup data saving / reading out / resetting...............................................52
Monitoring data .......................................................................53
Independent Overheat Prevention Device ................................................55
5. Handling precautions ............................................................ 56
Warnings and Cautions ................................................................56
Warnings and Cautions ................................................................57
6. Maintenance method............................................................. 62
Daily inspection/maintenance...........................................................62
7. Long storage and scrap .......................................................... 63
WhennotusingtheEquipmentforalongtime/whenscrapping...................................63

Matters to consider when scrapping the Equipment ........................................63
8. When a trouble occurs ........................................................... 64
Message error table ...................................................................64
Troubleshooting ......................................................................66
9. After sales service and warranty .................................................. 67
Request to repair parts.................................................................67
10. Specifications .................................................................. 68
Specifications ........................................................................68
11. Accessory ..................................................................... 71
List of accessories ....................................................................71
12. Wiring diagram ................................................................. 73
DNF301 Wiring diagram .............................................................73
DNF401 Wiring diagram .............................................................74
DNF411 Wiring diagram .............................................................75
DNF601 Wiring diagram .............................................................76
DNF611 Wiring diagram .............................................................77
Wiring diagram part symbols............................................................78
13. List of dangerous substances.................................................... 79
14. Standard setup manual.......................................................... 80
15. Reference data ................................................................. 81
DNF301 .............................................................................81
DNF301 .............................................................................82
DNF401 .............................................................................83
DNF401 .............................................................................84
DNF601 .............................................................................85
DNF601 .............................................................................86

1. Safety Precautions
Explanation of symbols
About symbols
Various symbols are provided in this Instruction Manual and on the
product to ensure safe operation. Improper handling of this Equipment
without understanding their contents will lead to the results classified
below. Be sure to fully understand the description of symbols below
before proceeding to the text of this Manual.
Warning
Caution
Indicates a situation which may result in minor injury (Note 2)
and property damages (Note 3.)
（Note 1）Serious injury means a wound, an electrical shock, a bone fracture or
intoxication that may leave after effects or require hospitalization or
outpatient visits for a long time
（Note 2）Minor injury means a wound or an electrical shock that does not require
hospitalization or outpatient visits for a long time.
（Note 3）Property damage means damage to facilities, devices and buildings or other
properties.
Meanings of symbols
This symbol indicates a matter urging user to follow the warning
(“caution”included).
Specific description of warning is indicated near this symbol.
This symbol indicates prohibitions.
Specific prohibition is indicated near this symbol.
This symbol indicates matters that the user must perform.
Specific instruction is indicated near this symbol.
Indicates a situation which may result in death
or serious injury (Note 1.)

2
1. Safety Precautions
List of symbols
Warning
General
Warnings
Danger!: High
Voltage
Danger!: High
Temperature
Danger!: Moving
Part
Danger!:
Explosion Hazard
Caution
General Cautions
Caution:
Electrical Shock!
Caution: Burns!
Caution: Heating
Container without
water!
Caution: Water
Leak!
Caution: For
water only
Caution: Toxic
Chemicals
Prohibitions
General
Prohibited
Actions
No open flame
Do not
disassemble
Do not touch
Compulsions
General
Mandatory
Actions
Connect
grounding wire
Leveled
Installation
DisconnectPower
Regular
Inspection