Daikin SUT Series User manual

SE-04753 [Operation Manual] 2/49
Hybrid Hydraulic System
[Super Unit]
SUT03S15L07-10-F
SUT03S30L07-10-F
SUT SERIES
Operation Manual
DAIKIN INDUSTRIES, LTD.
Oil Hydraulics Division

SE-04753 [Operation Manual] 2/49
DAIKIN INDUSTRIES, LTD.
<Safety Precautions>
Before using this product
Give consideration to make users thoroughly understand the contents of this operation manual.
Please incorporate the contents of this operation manual in operation manuals for your machine using this product.
To ensure proper operation of this unit, be sure to read this operation manual and all other attached documents
carefully, to have a thorough understanding of the equipment, safety information and all other precautions before
installation, operation and maintenance/inspection of this unit.
Be sure to keep this operation manual, attached documents and delivery specifications in place, so that you can read
them whenever required.
For detailed explanation of the unit, all figures andphotographs included in this manual showthe unit without covers
or safety shields. To operate this unit, be sure to mount the covers and shields in the specified manner, and observe
the operating procedures described in this manual.
The contents of this operation manual are subject to change appropriately for product improvement, specification
change or easier operations.
The latest version of this manual is available through DAIKIN Oil Hydraulics Division Internet Service
(DHCnet HomePage) (http:// www.dhcnet.daikin.co.jp:8100/).
This operation manual should be used as a reference that provides safety instructions for DAIKIN Hydraulic Unit. In
addition to this manual, please prepare safety references for your machine to ensure safe operations and maintenance
in accordance with various standards and norms.
Conventions of safety instructions in this manual
In this manual, safety instructions are classified into three categories: “ DANGER”, “ WARNING”and
“ CAUTION”.
DANGER: Improper handling regardless of this indication causes an urgently hazardous condition that may
result in death or serious injury.
WARNING: Improper handling regardless of this indication causes a potentially hazardous condition that may
result in death or serious injury.
CAUTION: Improper handling regardless of this indication causes a potentially hazardous condition that may
result in medium or slight injury, or property damage.
Even an item indicated as “ CAUTION”may result in a serious accident depending on the situation. All
instructions given in this manual include important information. Be sure to observe all of them.
Safety precautions
General precautions
DANGER
Transportation, installation, piping, wiring, operations, maintenance and inspections must be conducted by qualified
personnel.
During the above work, wear protective gear required for safe work (work clothes, safetyband, helmet, safetyshoes,
gloves and so on).
Do not use this unit under conditions other than those specified in the catalog or delivery specifications.
CAUTION
Be sure to conduct daily inspections (described in this manual or attached documents).
Do not apply external force to this unit. (Do not step on, or pound on this unit.) Otherwise, you may suffer from
injury, or the unit may be damaged.

SE-04753 [Operation Manual] 3/49
DAIKIN INDUSTRIES, LTD.
<Escape Clauses>
DAIKIN shall not be responsible for any damage attributable to a fire, earthquake, third party’s action and other
accidents, as well as customer’s intention, misuse or use under abnormal conditions.
DAIKIN shall not be responsible for any damage incidental to use of this product or impossibility to use this product
(loss of business profit, discontinuation of business).
DAIKIN shall not be responsible for any accident or damage attributable to negligence in observing the instructions
given in the operation manual or delivery specifications.
DAIKIN shall not be responsible for anydamage attributable tomalfunction caused by combinations of this unit and
external equipment.
<Limitations on Applications>
If a failure or malfunction of this unit may directly threaten human life, or this unit is used for equipment that may
cause injury to the human body, such an application must be considered depending on the case.
This unit has been manufactured under strict quality control. However, when it is used for important equipment, the
equipment must be provided with a safety device to prevent malfunction of this unit from resulting in serious
accident or damage.

SE-04753 [Operation Manual] 4/49
DAIKIN INDUSTRIES, LTD.
Contents
[1. Introduction]...............................................................................................................5
[2. Features and Structure]................................................................................................5
[3. Description on Model Identification Code]..................................................................6
[4. Specifications and Operating Conditions]....................................................................7
[5. Precautions for Use]....................................................................................................8
[6. Names of Unit Components] .......................................................................................9
[7. Hydraulic Circuit].......................................................................................................10 to 11
Hydraulic circuit diagram
Components
Piping
[8. Precautions for Operation, Transportation and Installation]..........................................12 to 13
Precautions for operation
Precautions for transportation
Precautions for installation
[9. Preparations for Operation] .........................................................................................14 to 23
Filling hydraulic oil
Electric wiring
I/O signal cable specifications
[10. Test Run]....................................................................................................................24
[11. Operation Panel Operating Procedure].........................................................................25 to 34
Outline of functions
Description on individual modes
Shift between individual modes
Operating procedure for each mode
a) Monitor mode
b) Setting mode
c) Alarm mode
Alarm code display list
[12. Maintenance]..............................................................................................................35 to 40
Periodic inspection
Cleaning and replacement
Oil cooler maintenance procedure
Oil filling port (air breather) maintenance procedure
Suction strainer maintenance procedure
[Attachment: Safety Valve Adjusting Procedure]..................................................................41
[Attachment: Power-ON External I/O Signal Timing Chart].................................................42 to 48

SE-04753 [Operation Manual] 5/49
DAIKIN INDUSTRIES, LTD.
[1. Introduction]
Thank you for selecting IPM Motor Drive Hydraulic Unit <Super Unit>.
Using the oil hydraulic technology and energy-saving IPM motor drive system that DAIKIN originally developed, the
IPM Motor Drive Hydraulic Unit <Super Unit> provides overwhelmingly excellent energy conservation
performance and advanced functions.
Before using the SUT Series <Super Unit>, please read this manual thoroughly, and handle and maintain this unit
properly, so that this unit can retain excellent performance for a long period.
The components of this unit may be modified for the purpose of quality/performance improvement or other reasons. In
such a case, some parts of this product may be different from those described in this manual.
[2. Features and Structure]
Multi-stage speed control/Multi-stage pressure control, and shockless control functions
The Super Unit enables multi-stage pressure control/flow rate control by selecting 16 patterns of P-Q
characteristics that have been registered in the controller from the master machine (via a contact input).
The Super Unit enables shockless control by setting/adjusting the rising/falling time at changes of the P-Q
characteristics.