107 W. Main Street, Worthington, PA 16262
Phone: 724-297-3416 Fax: 724-297-5189
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
DELIQUESCENT DRYER
MODELS DD-48 THRU DD-5000
SPECIFICATIONS:
Maximum Working Pressure: 150 PSIG
Maximum Inlet Temperature: 110°F
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9. Start compressor: then slowly open dryer inlet valve to pressurize dryer gradually.
10. Open outlet valve slowly; close by-pass valve.
CAUTION!!!!!
MAKE SURE THAT DRYER IS NOT SUBJECTED TO AIR SURGES WHILE IT IS BEING PRESSURIZED.
OPERATION
START-UP: Slowly open outlet shutoff valve and then inlet valve. Close by-pass valve.
SHUT-DOWN: Maintain pressure in dryer during shut-down by following this procedure before shutting off air
supply to dryer: Open by-pass valve. Then close dryer inlet and outlet shufoff valves.
MAINTENANCE
*Drain dryer after every 8 hours of operation.
Open manual drain valve and allow all collected drain solution to discharge from dryer. On dryers equipped with an
automatic drain, check periodically by pushing test button to make sure that drain is operating properly.
WARNING
Always drain dryer regularly. If drain solution reaches an abnormally high level, air flow may force
solution into system piping and cause damage to downstream equipment.
*Inspect tablet level through sight window regularly. Add DELI-DRY TABLETS when top of bed is level with
sight window. Use the following procedure:
1. Isolate dryer from air system by closing inlet and outlet valves; open by-pass valve.
2. Open drain valve; depressurize dryer completely.
3. After all pressure is out of dryer, unscrew cap on fill port.
4. Add enough tablets so that vessel is filled.
5. Replace cap on fill port and tighten securely.
6. Slowly open outlet valve and allow air to bleed through drain valve.
7. Close drain valve, and open inlet valve slowly to pressurize dryer graduallly.
8. Close by-pass valve.
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Dimensions & Weights (inches & pounds)
Model No.
Heigh
t
Vessel
Diameter Connections
Inlet/Outlet
Height
to
Fill Port
Deliquescent
Vessel
Weight (LB)
(Diameter) Tablets (Initial fill)
Inlet
DD-48
DD-72
37
53
55
57
55
57
67
72
72
8
1
2
2
2
2
2
3
3
5
2
2
2
2
40
160
175
190
345
370
975
1120
1350
1500
2000
2450
2900
3650
85
210
220
230
320
360
655
779
14
14
14
20
20
30
30
36
42
42
48
54
60
18.5
18.5
18.5
19.5
19.5
22
22
26
15
15
DD-100
DD-150
DD-220
DD-370
DD-520
DD-740
DD-970
DD-1250
DD-1500
DD-1750
DD-2000
DD-2500
3 x 4
3 x 4
3 x 4
3 x 4
4 x 6
11 x 15
11 x 15
11 x 15
11 x 15
11 x 15
4 Flg.
4 Flg.
4 Flg.
4 Flg.
6 Flg.
6 Flg.
985
90
1425
1650
1800
2450
2850
102
105
108
110
15
18
18
Maximum Capacities (SCFM)
Model No.
70 PSIG
80 PSIG
90 PSIG
100 PSIG
125 PSIG
150 PSIG
DD-48
DD-72
35
53
39
59
43
65
48
72
58
87
68
103
DD-100
DD-150
DD-220
DD-370
DD-520
DD-740
DD-970
DD-1250
DD-1500
DD-1750
DD-2000
DD-2500
73
82
90
100
150
220
370
520
740
970
1250
1500
1750
2000
2500
121
182
267
450
633
901
1181
1522
1826
2131
2435
3044
143
215
315
531
110
161
270
380
540
708
925
1107
1292
1477
1846
123
180
303
426
607
795
1032
1238
1444
1651
2064
135
198
333
468
666
873
1141
1369
1597
1825
2282
746
1062
1392
1794
2153
2512
2871
3589
AIR/TAK WARRANTY POLICY
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Air/Tak products will be warranted to be free from defects in materials and workmanship for a period of one
year from date of shipment or up to one year from the verified date of installation not to exceed 15 months.
Date of installation will be verified upon receipt of the completed Warranty Registration Card. All Air/Tak
refrigerated dryers will additionally be warranted on parts only (excluding fan motors and drain valves) for
a period of two years from the date of shipment. Also, deliquescent and regenerative air dryer pressure
vessels and refrigerated air dryer heat exchangers have a 5-year prorated warranty.
All damaged pressure vessels and heat exchangers returned to AIR/TAK for warranty consideration must
be returned freight prepaid. Warranty will be determined after factory inspection. Failure to return a
damaged heat exchanger or pressure vessel will result in warranty denial.
Repairs, adjustments, parts, etc. are limited to actual labor cost provided that such defects are promptly
reported and approved following AIR/TAK's warranty procedures. In no event shall the cost of repairs
exceed the actual cost of materials and labor.
AIR/TAK or its representatives reserve the right to decide which warranty items are authorized. AIR/TAK
shall not be liable for incidental or consequential damages which may result from a breach of the warranty
described above.
For more information on warranty policies and procedures, contact your authorized AIR/TAK Distributor.
AIR/TAK's line of quality compressed air system products includes:
COMPRESSED AIR SYSTEM FILTERS * AIR-COOLED AFTERCOOLERS
REFRIGERATED AIR DRYERS * CAD COMBINATION AFTERCOOLER DRYER SYSTEMS
RAD-PAK REFRIGERATED AIR DRYER/FILTER PACKAGES * HEATLESS REGENERATIVE AIR DRYERS
HLD-PAK HEATLESS REGENERATIVE AIR DRYER/FILTER PACKAGES
BLOWER PURGE REGENERATIVE AIR DRYERS * EXTERNALLY HEATED REGENERATIVE AIR DRYERS
AIR CHILLERS * FLUID CHILLERS
For an authorized distributor near you, contact Air/Tak at: Air/Tak Inc. 107 W. Main Street, Worthington, PA 16262
Phone: 724.297.3416 Fax: 724.297-5189
e-mail: [email protected]
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