Koei Unic - 05 Operation Manual Download Page 2

In order for better and safety use of the product for a long period, please observe this 
“ WARNING and CAUTION “ carefully. 
Here are the specification and operation manual for the product to prevent suffering 
injury or loss by accidents.  
The contents are divided into “WARNING” and “CAUTION” for different degree of  
risks.  
Please strictly observe them, as both of them are very important for your safety. 

FOR YOUR SAFETY 

     WARNING: 

Improper handling of the product disregarding the notes under this 

mark may cause injury or death to a man. 

         

CAUTION: 

Improper handling of the product disregarding the notes under this 

mark may cause injury or material loss. 

WARNING 

* This product is not of explosion-proof.

Do not use it in the environment with flammable gas (gasoline etc.) or
corrosive gas.

* Do not dismantle the actuator from the valve during power operation.
* Do not make wiring work when power is being supplied.

CAUTION 

* Do not drop the product or give a shock to the product, for it may cause

defects to the product. 

* Do not get on the actuator, or it may cause defects or an accident.
* Do not make wiring work in the rain or in splashing water.

Summary of Contents for Unic - 05

Page 1: ...ELECTRIC ACTUATOR OPERATION MANUAL Unic Series ROTARY TYPE DC Version Unic 05 Unic 10 Unic 20 Unic 40...

Page 2: ...ding the notes under this mark may cause injury or death to a man CAUTION Improper handling of the product disregarding the notes under this mark may cause injury or material loss WARNING This product...

Page 3: ...t temperature fluid temperature 5 MOUNTING ON VALVE 6 WIRING 6 1 Power and operation signals 6 2 Wiring work 7 POWER SOURCE AND CIRCUITS 7 1Power source 7 2Fuse and breaker 7 3Circuit diagram 8 ADJUST...

Page 4: ...ling and useable in a narrow space Trouble less simple structure Easy of mounting inspection and maintenance Manual override with a crank lever standard accessory Motor is protected from burnout due t...

Page 5: ...2 2 2 Unic 05 Dimensions 2 3 Unic 10 Dimensions...

Page 6: ...3 2 4 Unic 20 40 Dimensions...

Page 7: ...rotection Open Close torque limiters Option Unic 05 Either open or close only POSITION DETECTION Open Close position limit switches OUTPUT SIGNAL No voltage contact output standard Contact capacity AC...

Page 8: ...for maintenance or manual work Actuator materials and surface treatment MODEL PART Unic 05 Unic 10 Unic 20 Unic 40 HOUSING BODY FRONT COVER SIDE COVER TOP COVER Die cast Aluminum ADC12 Chromate treat...

Page 9: ...yoke e Fix valve stem and actuator output shaft with coupling f Secure bolts and fix the yoke and actuator g Confirm manually that the valve turns smoothly without eccentricity Direct interface mounti...

Page 10: ...ram d For all connections use fork crimped on terminals e Use a cable of outer diameter 9 11mm for standard conduit See Fig 7 When using a customer conduit select a proper size one to fit cable diamet...

Page 11: ...4VDC Option 12VDC 100VDC For different supply from the above refer to our Sales Dept 7 2 Fuse and breaker Install a protection fuse or breaker on power source Table of recommendable fuse and breaker M...

Page 12: ...OLS 1 Open position limit switch OLS 2 Open contact output limit switch CLS 1 Close position limit switch CLS 2 Close contact output limit switch Actuator DC Motor Red White Green Brown Yellow Resist...

Page 13: ...ing in the way that each actuator is independently separable from DC source Otherwise when an actuator is manually operated it is possible that the voltage generated by manual drive will transmit and...

Page 14: ...both upper and lower switches As an one piece type dog is installed for both position and contact output switches as you set the position switch the position of contact output switch will be determine...

Page 15: ...osen dial plate screw and fix it at the set opening Potentiometer Position Indicator Screw Valve Position Indicator Sleeve Sleeve Screw Dog Screw Limit Dog Output Shaft Opening Spur Gear Gear Screw Ge...

Page 16: ...output shaft position Set position signal limits and mechanical stopper manually as shown in the figure while confirming the positions of full close and full open Adjustment Bolt Locknut Output Shaft...

Page 17: ...external operation signals that open and close action is normal Motor should stop at full close open positions and the positions should correspond to valve opening c Start power operation after confir...

Page 18: ...hipment is in principle not required Inspection When starting operation after a long period of rest make the following inspection before hand a Cut power off and confirm manually that the unit work sm...

Page 19: ...is not proper Re adjust limit dog Motor coil or lead wire is broken Renew actuator Motor is constrained Limit switch is set beyond the range Make re adjustment Mechanical stopper setting is not corre...

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