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Instructions/Parts

Maintenance

5

Maintenance

Ambient Air Filter

Clean accumulated dust and dirt from ambient air filter 
monthly or more often if air flow across the condenser is 
impeded.

1.

Remove top panel.

2.

Remove ambient air filter by sliding upward.

3.

Wash with soap and water and allow to dry before 
reinstalling.

NOTE: Do not use solvents to clean ambient air filter.

4.

Reinstall filter and top panel.

Inlet Strainer

Clean inlet strainer monthly or more often if rapid clog-
ging occurs.

1.

Shut-off compressed air supply to the strainer and 
depressurize.

2.

Remove screen and clean or replace.

3.

Reinstall.

Replacing separator/filter element 

Replace yearly or more often if pressure drop across the 
dryer is excessive.

1.

Shut-off compressed air supply to the dryer and 
depressurize.

2.

Remove top panel.

3.

Remove two screws holding side panel and 
remove side panel by sliding upward.

4.

Disconnect drain tube from bulkhead fitting in cab-
inet base. To remove, press the plastic collar in, 
toward the fitting, while pulling the tube out of the 
fitting.

5.

Remove bowl - push bowl up, turn bowl 1/8th turn 
to your left, and pull straight down.

6.

Clean filter bowl.

7.

Replace element.

Replacing Complete Element

1.

Pull off old element and discard.

2.

Make certain o-ring inside top of replacement ele-
ment is in place and push element onto filter head.

Replacing Sleeve Only

1.

Pull element straight down to remove.

2.

Remove bolt and bottom cap and remove dispos-
able filter sleeve.

3.

Clean separator core with soap and water in nec-
essary.

4.

 Slide new filter sleeve over separator core and 
replace bottom cap and hand tighten bolt.

5.

Make certain o-ring inside top of element is in 
place and push element onto filter head.

6.

After making sure that o-ring and wave spring 
inside top of bowl are in place, reassemble bowl to 
head.

NOTE: Make certain o-ring is generously lubricated.

NOTE: Wave spring ends should be pointed down to 
prevent it from interfering with reassembly.

CAUTION

Dryer is a pressure containing device. Depressurize 
before servicing.

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Содержание 6880

Страница 1: ...6880 6885 6890 and 6895 Contents General Safety Information 2 Installation 2 Operation 4 Maintenance 5 Troubleshooting 7 Specifications 9 Electrical Schematics 10 Dimensions and Weights 12 Parts List 14 Warranty 16 Important Safety Instructions Read all warnings and instructions in this manual Save these instructions ...

Страница 2: ...cool the air by extending the piping between the compressor and the dryer Air Outlet Connect air outlet to downstream air lines Bypass Piping If servicing the unit without interrupting the air supply is desired piping should include inlet and outlet isolation valves and an air bypass valve Condensate Drain It is advisable to connect drain outlet to the condensate drainage system NOTE Drain dischar...

Страница 3: ... 6895 115V only Install plug in receptacle rated for 20 amps Units are supplied with 20 amp plug NOTE Refrigeration system is designed to run continu ously and should NOT be wired to cycle on off with the air compressor Plug Front Left Side Control Panel Separator and Integral Filter Drain Connection Drain Mechanism Serial Tag Number Right Side Back Ambient Air Filter Pipe Nipple Air Outlet Connec...

Страница 4: ...pressure dew point 95 F 35 C ambient temperature 50 F 10 C outlet pressure dew point and less than 5 psi 0 35 kgf cm2 pressure drop 60 Hz 50 Hz For dryers with an aftercooler installed upstream Flow capacity in scfm m3 min 100 F 38 C inlet temperature 100 F 38 C inlet pressure dew point 100 F 38 C ambient temperature 50 F 10 C outlet pressure dew point and less than 10 psi 0 7 kgf cm2 pressure dro...

Страница 5: ...ead fitting in cab inet base To remove press the plastic collar in toward the fitting while pulling the tube out of the fitting 5 Remove bowl push bowl up turn bowl 1 8th turn to your left and pull straight down 6 Clean filter bowl 7 Replace element Replacing Complete Element 1 Pull off old element and discard 2 Make certain o ring inside top of replacement ele ment is in place and push element on...

Страница 6: ...in toward the fitting while pulling the tube out of the fitting 5 Remove bowl push bowl up turn 1 8th turn to your left and pull bowl straight down 6 Remove drain tube fitting from bottom of bowl 7 Remove old drain mechanism by turning knurled fitting to the right clockwise and remove 8 Install new drain mechanism If necessary use a wire or pencil to guide the new mechanism into place 9 Reassemble...

Страница 7: ... dryer Replace drain mechanism if inoperative or open drain line Check inlet air temperature and pressure flow rate compressor capacity and ambi ent air temperature See Refrigeration system not functioning properly page 8 High pressure drop across dryer Inlet air strainer clogged Excessive air flow Separator filter clogged Freezing of moisture in evaporator because of refrigeration system improp e...

Страница 8: ...conditions Ambient air filter clogged Condenser fins clogged Fan motor or fan control switch malfunc tion Refrigerant leak Low voltage Check power to unit Close disconnect switch Check for continuity Have electrician check electrical connec tions Check minimum maximum temperature ranges Clean ambient air filter Clean condenser Replace fan motor or fan control switch Contact qualified refrigeration...

Страница 9: ...30 178 psig 23 2 12 5 kgf cm2 Condenser Fan Switch Setting in out 240 280 psig 16 9 12 7 kgf cm2 Air Flow Across Condenser cfm m3 min 60 50 hz 60 50 hz 280 235 7 9 6 7 280 235 7 9 6 7 620 515 17 6 14 6 620 515 17 6 14 6 Electrical Data Unit 115 1 60 VAC phase hz 115 1 60 Minimum Maximum Volts 98 127 Full Load Amps FLA 7 9 7 9 13 0 13 0 Branch Circuit Fuze Size amps 15 15 20 20 Compressor Volts pha...

Страница 10: ...LT Thermal Overload M Compressor Motor RC Run Capacitor HTS High Temperature Switch LT Fault Light FPS Fan Pressure Switch FM Fan Motor TB Terminal Block CT Contactor with 115V Coil All Models All Voltages Only Models 6890 and 6895 115 1 50 60 COMPONENT LOCATIONS COMPONENT LOCATIONS Front of Dryer Outside Front of Dryer Outside Right Side of Dryer Inside Right Side of Dryer Inside ...

Страница 11: ...Instructions Parts Electrical Schematics 11 ...

Страница 12: ... mm 1 in 25 mm 1 4 in Drain Connection 4 1 8 in 105 mm LEFT SIDE VIEW 28 1 4 in 718 mm Serial Number Tag 10 1 8 in 257 mm Air outlet 1 2 in 6 5 8 in 168 mm BACK VIEW 5 1 8 in 130 mm 1 11 16 in 41 mm 8 1 2 in 216 mm Air inlet 1 2 in 1 1 2 in 38 mm 4 1 8 in 105 mm 11 5 16 in 287 mm Replaceable Ambient Air Filter 12 7 8 in 327 mm 1 9 16 in 40 mm 10 1 8 in 257 mm RIGHT SIDE VIEW Model Weight 6880 80 l...

Страница 13: ...n 419 mm 8 7 16 in 213mm 1 in 25 mm 1 4 in Drain Connection LEFT SIDE VIEW 4 5 8 in 117 1 1 2 in 38 mm 36 3 4 in 933 mm BACK VIEW 2 5 16 in 59 mm 6 7 8 in 175 mm 6 5 16 in 160 mm 9 1 8 in 232 mm Air Inlet 3 4 in Air Outlet 3 4 in Serial Tag Number 1 9 16 in 39 mm 5 1 16 in 129 mm RIGHT SIDE VIEW 16 7 8 in 429 mm Replaceable Ambient Air Filter Model Weight 6890 150 lbs 68 kg 6895 155 lbs 70 kg ...

Страница 14: ...Overload Compressor 115 1 60 5925 571 12 5925 571 12 5925 571 15 5925 571 15 Overload Compressor 208 230 1 60 5925 571 13 5925 571 13 5925 571 16 5925 571 16 Overload Compressor 220 240 1 50 5925 571 14 5925 571 14 5925 571 14 5925 571 14 Switch fault light with conn 03 7419 02 03 7419 02 03 7419 03 03 7419 03 Condenser Fan Fan Motor 115 1 60 6105 226 2 6105 226 2 6105 226 7 6105 226 7 Fan Motor 2...

Страница 15: ...DRYAIRE REFRIGERATED AIR DRYERS 15 ...

Страница 16: ...rt THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR SATUTORY AND IS EXPRESSLY IN LIEU OF THE IMPLIED WARRANTY OF MERCHANTABILITY AND THE IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE THE MANUFACTURER SHALL NOT BE LIABLE FOR LOSS OR DAMAGE BY REASON OF STRICT LIABILITY IN TORT OR ITS NEGLIGENCE IN WHATEVER MANNER INCLUDING DESIGN MANUFACTURE OR ...

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