background image

Protection Device And Troubleshooting

1. Protection Device for control substrate

Fuse (250V/3A)

When over-high voltage is input or the part on the substrate

breaks down, this fuse will be melted to prevent elements at

rear like the compressor from being damaged.

2. Protection Device for Fan Motor

Fuse (250V/3A)

When the cooling fan motor breaks down to cause excessive

current, this fuse will be melted to avoid electric hazards.

3. Protection Device for Freezing System

Temperature Sensor

When the freezing system is lack of maintenance or the refrigerant

leaks, backflow temperature will become too high and cause the

compressor to overheat. Thus, the compressor can be stopped

opportunely by the temperature sensor.

4. Protection Device for Compressor

Current Sensor

The current sensor can detect operation status of the compressor

when the dryer is running. In case of over-current, the compressor

will be stopped at once.

Protection Device

Troubleshooting

1. Can't start

Failure

Possible Reason

Resolution

Power switch trips or breaks down. Check power switch and make sure if voltage is normal.

Abnormal power supply
causes the fuse of the control
substrate to melt.

Supply power of 5% of rated voltage in accordance
with the nameplate and replace the fuse.

Control substrate breaks down.

Replace a new one.

Overload trip

indicator on

Condenser is blocked.

Remove dust or impurities out of the surface of the fin in

compliance with service instructions.

Cooling fan breaks down to
cause the fuse of the fan to melt.

Replace a fan motor and a fuse.

Refrigerant leaks.

Vacuum after repair and re-fill refrigerant.

Rated environment temperature
exceeds.

When ambient temperature is over 40

, relocate the

equipment or add ventilation facilities.

No display

-10-

Содержание AD-005

Страница 1: ...Operating Manual Freezing Compressed Air Dryer Http www dryer com tw E mail dryer dryer com tw...

Страница 2: ...ing 1 Diameters of Inlet And Outlet Pipes of Dryer 2 Piping Method 5 Method of Installation Power Distribution 1 Electric Features of Dryer 2 Distribution Lines 6 Method of Operation 1 Inspection Item...

Страница 3: ...ures of Product Features 2 1 Keep the compressed air pressure under the allowable pressure of the dryer 2 Ensure no pressure inside the system before disassembling or installing the pipes for maintena...

Страница 4: ...ying flows out from here Air Outlet Air Inlet Wet compressed air enters from here Control Panel This panel is used for control operation and status display Automatic Wat Drainer rear er Precipitated m...

Страница 5: ...or places where shake violently Do not install at places exposed to the rain Do not install at places with direct sunlight or close to heat sources Do not install at places that exceed rated ambient...

Страница 6: ...let and outlet of the dryer is the same Pay attention to wrong installation that may reduce the drying efficiency of the dryer 3 If the compressor shakes violently while running install an extra high...

Страница 7: ...e it is within the range of 5 of rated voltage see the nameplate 4 Do not share the same protection switch with other equipment 5 Install an extra proper protection switch from electric leakage in acc...

Страница 8: ...ng system is normal 3 Check if operation of the cooling fan motor is normal 4 After the dryer runs for 3 minutes open the valve gates of air inlet and outlet and check if the bypass pipes are tightene...

Страница 9: ...the temperature rises within the range of the blue area which is normal to prevent from icing and freezing Stop 1 Close the valve gates of air inlet and outlet and check if the bypass pipes are tight...

Страница 10: ...ondenser and the fin of the pre cooler clean Fig 2 Fig 1 filter net metal cup acrylic cup condenser Daily Maintenance 9 1 Check the automatic water drainer Fig 1 every day for any blocking or leakage...

Страница 11: ...ent sensor can detect operation status of the compressor when the dryer is running In case of over current the compressor will be stopped at once Protection Device Troubleshooting 1 Can t start Failur...

Страница 12: ...not go through the dryer Check the installed pipes Rated requirements not met Rated air flow exceeds Increase dryer equipment 3 Extreme pressure drop Failure Possible Reason Resolution Improper operat...

Страница 13: ...on Equipment Application 0 01 0 003 0 01 1 By pass Freezing dryer Air compressor Fast drilling general coating planned packaging Cleaning shipping tooling cutting processing 12 5 Air tank Foods medici...

Страница 14: ...AD 020 Control board Variable voltage A Blue B Brown C Red 1 2 3 4 5 6 7 13 Switch Starting capacitor Current starter Overload Alarm Compressor Fan Optional Variable voltage 380 460V to 220V D D White...

Страница 15: ...ature sensor Control board Variable voltage 1 2 3 4 5 6 7 A Blue B Brown 14 E B G F F 95 97 A1 MC 96 98 A2 E E B D A C D D A E Fan Thermal Relay B Overload A E 5 4 2 1 Voltage starter Running capacito...

Страница 16: ...le voltage 1 2 3 4 5 D A E B S R T PE A Blue B Brown C Red D White E Black F Yellow G Orange 15 C D E E D D Set 40 Temperature Switches Fan Compressor Fan Thermal Relay Alarm Running E 1 3 5 4 2 6 95...

Страница 17: ...Footnote 16...

Страница 18: ...Footnote 17...

Страница 19: ...Footnote 18...

Страница 20: ......

Отзывы: