SMC Networks IDF22E-20-T Operation Manual For Option

IDX-OM-K052-A 

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Refrigerated Air Dryer 

Operation Manual for Option 

IDF22E-20-T, IDF22E-30-T 

IDF37E-20-T, IDF37E-30-T 

IDF55E-30-T 

IDF75E-30-T 

- This operation manual should be used for 

option specification T.   

- For the other option specifications, refer to 

the operation manuals corresponding to 

the option number. 

-For the other parts than the options, refer 

to the standard operation manual. 

1. Safety instructions 

When handling the product, take care to the following precautions.   

2. Specification 

- Mounting remote signal terminal (Running and Alarm) 

- The Running (terminal 1-2) is in a short circuit state during operation. 

- The Alarm (terminal 2-3) is in a short circuit state during alarm. 

        Max. Load: AC220V, 5A (Running)   DC24V, 5A (Alarm)   Min. Current: 5mA 

∗ For IDF22E-20-T, IDF37E-20-T and IDF75E-30-T, even if the over load relay operates,   

the Alarm is not output. 

3. Remote operation 

- Turn on switch with lamp and ON/OFF power supply for remote operation. 

      - Start operation after stopping for 3 minutes or more. 

- In addition, frequency of start/stop shall not be more than 5 times per hour.   

(for preventing compressor motor trouble.)   

Only qualified person must perform wiring and obserbing the following points. 

1. Be sure to shut off the power supply before wiring. For safety, do not perform any work on the unit 

with the power supply on. The power supply cannot be completely shut off just by turning off the 

illuminated switch. Be sure to turn off all power lines connected to the product. 

2. Supply the power from a stable source, free from surges. 

3. Be sure to mount the Ground Fault Circuit Interrupter (GFCI) with adequate sensitivity and load 

capacity to prevent electrical shock and protect the refrigerating compressor motor from burning out. 

4. Provide the power suitable for the product specifications. 

5. Be sure to ground the product for the safety. Without grounding, the GFCI can not operate normally. 

6. Do not ground to water pipe, gas tube or lightening rod line. 

7. Do not connect too many wires to the same outlet, which could results in heat generation and fire. 

8. Do not retrofit the wiring of the dryer and the power supply line. 

9. For the use of the product in Europe, mount the breaker compatible to IEC standard to the power 

supply for the product.   

Warning