SMC Networks IDF22E-20-A User manual

IDX-OM-W025
PRODUCT NAME
Refrigerated Air Dryer
MODEL / Series
IDF22E-20(-A,C,K,L,M,R,T) IDF22E-30(-A,C,K,L,M,R,T)
IDF37E-20(-A,C,K,L,M,R,T) IDF37E-30(-A,C,K,L,M,R,T)
IDF55E-30(-A,C,L,M,R,T) IDF75E-30(-A,C,L,M,R,T)
Please read this manual prior of using the air dryer. Keep the manual readily available for
reference.

To Customers
Thanks for purchasing SMC Refrigerated Air Dryer.
This opertion manual must be read and understood throughoutly before handling. It provides all essential
information for maximizing product operating efficiency, as well as, for safe and longer life span operation.
For safety operation of SMC Refrigerated Air Dryer, read thoroughly and follow stated safety instructions, as well
as regulation stated within ISO 4414*1 & JIS B 8370*2.
*1) ISO 4414: Pneumatic fluid power – Recommendations for the application of equipment to transmission
and control systems.
*2) JIS B 8370: Pneumatic fluid power – General rules relating to systems
This manual explains about installation and operation of the product. Only those who have thorough
understanding of the fundamental operating procedure or have basic knowledge and skills of handling industrial
product for the installation and operation of the product are qualified to perform installation and operation.
The contents of the operation manual and the other documents attached to the product cannot become a part of
the contract clause or cannot change and modify existing agreements, promises, and relationship.
Any statements contained in the operation manual cannot be newly guaranteed and modify existing guarantee
certificate.
You are not allowed to copy any part of this operation manual for usage of third person without informing it to us
beforehand.
Caution: Please understand that the contents of this operation manual are subject to
changed without previous notice.

Air Dryer Table of Contents
Table of Contents - 1
Chapter i Safety Instructions
i -1 Warning: Before Using Air Dryer ............................................................................ i - 1
i - 1 - 1 Meanings of signs: Caution, Warning, Danger............................................................ i - 1
i -2 Danger Classifications / Position of Danger warning label ............................. i - 3
i - 2 - 1 Danger Classifications................................................................................................ i - 3
i - 2 - 2 Danger of Electricity.................................................................................................... i - 4
i - 2 - 3 Danger of High Heat................................................................................................... i - 4
i - 2 - 4 Danger of Rotor .......................................................................................................... i - 4
i - 2 - 5 Danger of Compressed Air Circuit ............................................................................. i - 4
i - 2 - 6 Positions of Danger Warning Label ............................................................................ i - 5
i - 2 - 7 Danger of Refrigerant ................................................................................................. i - 6
i - 2 - 8 Cautions about Usage ................................................................................................ i - 7
i - 2 - 9 Other Label................................................................................................................. i - 7
i - 3 Disposal......................................................................................................................... i -8
i - 4 Limited warranty and Disclaimer / Compliance Requirements....................... i -9
Chapter 1 Parts Name and Functions
1 - 1 Parts Names and Functions....................................................................................1 - 1
Chapter 2 Transportation / Installation
2 - 1 Transportation ............................................................................................................2 - 1
2 - 2 Installation ...................................................................................................................2 - 2
2 - 2 - 1 Location.....................................................................................................................2 - 2
2 - 2 - 2 Anchorage .................................................................................................................2 - 2
2 - 2 - 3 Air piping....................................................................................................................2 - 3
2 - 2 - 4 Drain Tube.................................................................................................................2 - 3
2 - 2 - 5 Electric wiring ............................................................................................................2 - 4
2 -3 Cautions about Reinstallation ................................................................................2 - 5
Chapter 3 Operation / Shutdown
3 -1 Check points before operation............................................................................... 3 - 1
3 -2 Operation .....................................................................................................................3 - 1
3 -3 Shutdown..................................................................................................................... 3 - 2
3 -4 Cautions about restart..............................................................................................3 - 2
3 -5 Check points before restart.....................................................................................3 - 2
3 - 6 Precautions for long-term non-operation ...................................................... 3 - 2
Chapter 4 Maintenance
4 -1 Daily inspection..........................................................................................................4 - 1
4 -2 Periodical Maintenance............................................................................................ 4 - 1
4 - 2 - 1 Cleaning of ventilation grille (suction grille) ....................................................................... 4 - 1
4 - 2 - 2 Service parts .....................................................................................................................4 - 1
4 - 2 - 3 Cleaning of the bowl assembly..........................................................................................4 - 2
Chapter 5 Troubleshooting............................................................................................................... 5 - 1
5 - 1 Cause and countermeasure of errors ..................................................................5 - 1
5 - 2 How to reset the thermal relay and high pressure switch ..............................5 - 3
Table of Contents

Air Dryer Table of Contents
Table of Contents - 2
Chapter 6 References
6 - 1 Specifications .............................................................................................................6 - 1
6 - 2 Refrigerant with GWP reference ............................................................................6 - 1
6 - 3 Dimensions..................................................................................................................6 - 2
6 - 4 Electrical Circuit.........................................................................................................6 - 3
6 - 5 Compressed Air and Refrigerant Circuit / Operation Principles ...................6 - 4
Chapter 7 Specification for Option A
7 - 1 Safety instructions ........................................................................................... 7 - 1
7 - 2 Specifications ................................................................................................... 7 - 1
7 - 3 Air piping........................................................................................................... 7 - 1
7 - 4 Air flow capacity ............................................................................................... 7 - 1
7 - 5 Compressed Air and Refrigerant Circuit / Operation Principles ................. 7 - 2
Chapter 8 Specification for Option C
8 - 1 Specifications ................................................................................................... 8 - 1
8 - 2 Precautions for the installation and handling of the product...................... 8 - 1
Chapter 9 Specification for Option K
9 - 1 Safety instructions ........................................................................................... 9 - 1
9 - 2 Specifications ................................................................................................... 9 - 1
Chapter 10 Specification for Option L
10 - 1 Safety instructions ......................................................................................... 10 - 1
10 - 2 Specification ................................................................................................... 10 - 1
10 - 3 Maintenance.................................................................................................... 10 - 2
Chapter 11 Specification for Option M
11 - 1 Safety instructions ..........................................................................................11 - 1
11 - 2 Specifications ..................................................................................................11 - 2
11 - 3 Cautions for handling the motor type auto drain.........................................11 - 2
11 - 4 Electric circuit..................................................................................................11 - 2
Chapter 12 Specification for Option R
12 - 1 Safety instructions ......................................................................................... 12 - 1
12 - 2 Specifications ................................................................................................. 12 - 1
12 - 3 Power supply connection procedure ........................................................... 12 - 2
12 - 4 Cautions for handling the GFCI .................................................................... 12 - 3
12 - 5 Electric circuit................................................................................................. 12 - 3
Chapter 13 Specification for Option T
13 - 1 Safety instructions ......................................................................................... 13 - 1
13 - 2 Specifications ................................................................................................. 13 - 1
13 - 3 Remote operation........................................................................................... 13 - 1
13 - 4 How to connect the power supply and signal cable................................... 13 - 2
13 - 5 How to re-start the operation ........................................................................ 13 - 2
13 - 6 Electric circuit................................................................................................. 13 - 3
Chapter 14 Service Record
14 - 1 Service Record ............................................................................................... 14 - 1

IDX-OM-W025
Air Dryer i Safety Instructions
i-1 Warning: Before Using Air Dryer
i- 1
IDF Series
Safety Instructions
Before use, read and comprehend important cautionary
notification well on this operattion manual.
i-1 Warning: Before Using Air Dryer
In this chapter, the stated contents are especially about safety way to use the product. for customer.
An Air Dryer is installed on the downstream of the air compressor to remove moisture. We, manufacturer,
cannot take any responsibility if you use it for any other purpose.
An Air Dryer works with high voltage and has some parts that gets hot or rotates during operation. Ask vendor
if you need component replacement and servicing.
Not only people handle the air dryer but every people who perform maintenance on or do works related to it
should read safety instructions on this operation manual before handling.
This operation manual is not a general safety manual which is practiced by safety training representatives.
People who handle this product or work around it need to take training to comprehand inherent risks of it and
master measures for safety.
It is usually responsible for super visor to follow the safety instructions, but each operator or maintemance
representative should do daily operations on their own head.
Operators and maintemance representatives should take the safety of working place and work environment
into account.
It is necessary to think of the safety of working place and work environment for each task
Take enough safety training before the operation training. It is very dangerous to do operation training without
any safety training. Operation training must be paid attention to its safety.
Reset the protective circuit referring to “5-2 How to reset the thermal relay and high pressure switch”.
i – 1 – 1 Meaning of Signs: Caution, Warning, Danger
These safety instructions are intended to prevent hazardous situation and/or product damage.
These instructions indicate the level of potential hazard by signs “Caution”, “Warning” or
“Danger”. Contents with these signs state about important instructions concerning safety.
Confirm where those signs are, and read and comprehend notices and cautionary notices well
before handling.
“Danger”, “Warning”, “Caution” oris the order of importance (Danger>Warning>Caution).
Followings are the meanings of those signs.
Danger
Statements with the “Danger” sign explain about conditions in which there is a
possible result of serious injury or loss of life if someone handles wrongly during
operation or maintenance and did not follow the procedure to avoid danger.
i

IDX-OM-W025
Air Dryer i Safety Instructions
i-1 Warning: Before Using Air Dryer
i- 2
IDF Series
Warning
Statements with the “Danger” sign explain about possibilities that can result in
serious injury or loss of life if someone handle wrongly during operation or
maintenance and did not follow the procedure to avoid danger.
Caution
Statements with the “Danger” sign explain about possibilities that can result in injury
or product damage if someone handles wrongly during operation or maintenance and
did not follow the procedure to avoid danger.

IDX-OM-W025
Air Dryer i Safety Instructions
i-2 Danger Classifications / Position of Danger Warning Label
i- 3
IDF Series
i-2 Danger Classifications / Position of Danger Warning Label
To protect operator’s sefety, we group danger into some types uniquely and attached labels indicating those types.
Comfirm the contents of the danger types and positions of the labels before operation.
Warning
No one but professionals should operate an air dryer.
Transportation, installation, and maintenance involve risks. These should be done by
someone who have enough knowledge and experience about this product and incidental
devices.
No one but our service personnel or qualified person should open the cover panel of this
product.
Warning
Should any problem occur, address it according to statements on this manual.
•Identify problems according to “Chapter 5 Troubleshooting.”
•Ask repair and maintenance.
Warning
The product should not be operated in the event of any problems.
When the product gets out of order, shutdown it immediatery, and contact our service
person or qualified person.
i – 2 – 1 Danger Classifications
Specific danger classification of this product is as follows.
Danger of Electricity
Since this product runs at hign voltage, there is the danger of electric shock. So, we display
a symbol with indications, “Caution”, “Warning” or “Danger,” on the product and this
manual.
Danger of Heat
Since this product becomes hot while driving, there is the danger of burn injury. So, we
display a symbol with indications, “Caution”, “Warning” or “Danger,” on the product
and this manual.
Danger of Rotor
Since this product has parts that rotate while driving, there is the danger of catching your
fingers in or injury. So, we display a symbol with indications, “Caution”, “Warning” or
“Danger,” on the product and this manual.

IDX-OM-W025
Air Dryer i Safety Instructions
i-2 Danger Classifications / Position of Danger Warning Label
i- 4
IDF Series
i – 2 – 2 Danger of Electricity
Inside of this product, there is power-supplying section with high voltage separated by the
cover panel. Do not operate the product without the cover panel.
No one but trained qualified person should operate or inspect in the power transmission
sections.
Warning
Read with caution and pay attention to the notations on danger warning labels.
Do not remove or rub danger warning labels.
Confirm the positions of danger warning labels.
i – 2 – 3 Danger of High Heat
Warning
Since this product has parts that become hot during operation, there is the danger of burn
injury resulting from contact with them. What is more, there is also the danger of burn injury due to
remaining heat after the power supply is cut. Therefore, wait until the temperature of hot parts become
50oCand below.
i – 2 – 4 Danger of Rotor
Warning
Since this product has parts that rotate during operation, there is the danger of burn injury
resulting from contact with them. Though sometimes those parts can temporarily stop the rotation,
they will rotate again, and so do not work with them while driving.
i – 2 – 5 Danger of Compressed Air Circuit
Warning
Before replacing or cleaning parts, be sure to bleed compressed air remain inside of the
product untill the gauge indicates “0”. If you do not do this air-bleeding, there would be the
great danger of unexpected accident, such as shooting out of parts when they are being unscrewed.

IDX-OM-W025
Air Dryer i Safety Instructions
i-2 Danger Classifications / Position of Danger Warning Label
i- 5
IDF Series
i – 2 – 6 Positions of Danger Warning Label
Warning
Read with caution and pay attention to the notations of danger warning labels.
Do not remove or rub danger warning labels.
Confirm the positions of danger warning labels.
Front
WARNING 警告
!
1 Remove panels for maintenance only.
2 Never insert anything into product to ensure
safety.
3 Cut power prior to maintenance to prevent
electric shock.
4 Settle product to room temp.before main-
tenance toprevent burn or frostbite.
5 Ensure zero air pressure before replacing parts.
1 点検以外はﾊﾟﾈﾙを取り外さないこと。
2 回転物があるので指、棒状の物を差し
込まないこと。
3 感電の恐れがあるので、点検の前には電源を
切ること。
4 火傷の恐れがあるので、点検の前には装置を
常温にすること。
5 部品交換の前には必ず、空気圧力を"0"に
すること。
!

IDX-OM-W025
Air Dryer i Safety Instructions
i-2 Danger Classifications / Position of Danger Warning Label
i- 6
IDF Series
Front
i – 2 – 7 Danger of Refrigerant
Caution
This product uses Fluorocarbon (HFC) as a refrigerant.
This product is specified by “Class 1 Fluorocarbon Collection and Destruction Law in Japan.”
It is strictly forbitten to emit Fluorocarbon to the atmosphere. Before you repair this product,
you should collect the refrigerant with “Refrigerant collector.” Then, ask a destruction agency
to dispose of collected refrigerant. No one but someone have enough knowledge and
experience about the product and incidental device should do the collection of the refrigerant.
No one but service person or qualified person should remove the cover panel of the product.
The quantity and the sort of the Fluorocarbon are mentioned on the specification label that are
explained on Page i – 8.