Gardner Denver DGH Series User Manual Download

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SERVICE DEPARTMENT (724) 746-1100

Internal Use Only

479.25D/040625

IIN

TIIO

N M

ALL

H S

Seerriieess

MODELS

RATED

FLOW

MODEL

REFERENCE

DGH40

DGH60

DGH90

40 SCFM

60 SCFM

90 SCFM

DGH115

DGH165

DGH260

115 SCFM

165 SCFM

260 SCFM

115

165

260

DGH370

DGH450

DGH590

370 SCFM

450 SCFM

590 SCFM

370

450

590

DGH750

DGH930

DGH1130

750 SCFM

930 SCFM

1130 SCFM

750

930

1130

DGH1350

DGH1550

DGH2100

1350 SCFM

1550 SCFM

2100 SCFM

1350

1550

2100

DGH3000

DGH4100

DGH5400

3000 SCFM

4100 SCFM

5400 SCFM

3000

4100

5400

Contents

1. GENERAL SAFETY INFORMATION .........................................2

2. RECEIVING, MOVING, UNPACKING........................................2

3. DESCRIPTION...........................................................................3

4. INSTALLATION..........................................................................7

5. CONTROLLERS – GENERAL..................................................14

6. CONTROLLER – LEVEL 1.......................................................16

7. CONTROLLER – LEVEL 2.......................................................27

8. OPERATION ............................................................................45

9. MAINTENANCE .......................................................................51

10. TROUBLESHOOTING ...........................................................53

11. NOTES ...................................................................................54

E--S

WIIN

SIIC

T T

AIIR

R D

4011196

7610.479.32 Rev. B 6/04

18-3-625

Summary of Contents for DGH Series

Page 1: ...FM 1130 SCFM 750 930 1130 DGH1350 DGH1550 DGH2100 1350 SCFM 1550 SCFM 2100 SCFM 1350 1550 2100 DGH3000 DGH4100 DGH5400 3000 SCFM 4100 SCFM 5400 SCFM 3000 4100 5400 Contents 1 GENERAL SAFETY INFORMATIO...

Page 2: ...4 Noise CAUTION Do not operate dryer without mufflers installed 1 5 High Velocity Air CAUTION Do not stand near mufflers during tower depressurization 2 Receiving Moving Unpacking 2 1 Receiving This s...

Page 3: ...as the heat of adsorption and is stored in the bed for use during regeneration Desiccant is regenerated by driving off desorbing the water collected on its surface Pressure swing also called heatless...

Page 4: ...ge stream flow rate is controlled by the adjustable purge rate valve 6 and the two purge orifices 7 The purge flow which has been throttled to near atmospheric pressure is directed to tower 4B As the...

Page 5: ...flow rate is controlled by the adjustable purge rate valve 6 and the single purge orifice 7 The purge flow which has been throttled to near atmospheric pressure is directed through purge check valve 5...

Page 6: ...mperature measurement is made at position B1 After the tower has been regenerated another measurement is made at B1 The drop in temperature sensed during regeneration is an indirect measure of the wat...

Page 7: ...esiccant air dryer 4 1 3 Prefilter s Adequate filtration is required upstream of the dryer in order to protect the desiccant bed from contamination The following filtration equipped with automatic con...

Page 8: ...o drains and or sumps and lower piping with inlet switching and purge repressurization valves is necessary to prevent condensate from freezing If installing heat tracing observe electrical class code...

Page 9: ...ers Exhausting compressed air directly to atmosphere will result in noise levels above OSHA permissible levels and rapidly expanding gas could potentially cause harm to persons or property 4 13 Initia...

Page 10: ...ORT TYP PILOT AIR FILTER REGULATOR S AIR INLET RIGHT TOWER PRESSURE GAUGE RIGHT DESICCANT TOWER PURGE REPRESSURIZATION VALVE TYP INLET SWITCHING VALVE TYP S AIR OUTLET STRAINER TYP SAFETY RELIEF VALVE...

Page 11: ...3 4 S 1 2 NPT 3 4 NPT 3 4 NPT 1 NPT 1 NPT 1 1 2 NPT 1 1 2 NPT 1 1 2 NPT WT LBS 365 445 575 685 685 1010 1215 1350 DIMENSIONS IN MILLIMETERS MODEL 40 60 90 115 165 260 370 450 A 660 660 838 838 838 111...

Page 12: ...4 Installation 12 4 Installation Figure 4 3 continued on next page 590 5400 SCFM General Arrangement...

Page 13: ...116 3 16 R 102 105 110 113 118 115 117 124 124 124 S 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 U 2 NPT 2 1 2 NPT 2 1 2 NPT 3 FLANGE 3 FLANGE 4 FLANGE 4 FLANGE 6 FLANGE 6 FLANGE 6 FLANGE WT LBS 2205 270...

Page 14: ...iliary power terminals See Note 2 9 9 Solenoid valve coil voltage 12 VDC 12 VDC NEMA 4 4X IP 66 electrical enclosure rating 9 9 Soft on off switch with two power recovery modes See Note 3 9 9 Tower st...

Page 15: ...r is restored after an interruption 4 The service reminder LEDs indicate that it is time to perform preventive maintenance on the a filters and drains b valves or c desiccant The user selects between...

Page 16: ...free common alarm contacts with a minimum 5 amp rating can be made at terminals TB2 7 through 9 Terminal TB2 9 is the common contact connection Terminal TB2 7 is the N O normally open contact connecti...

Page 17: ...FF position when the Normal service reminder interval is desired Installed in the ON position when the Severe service reminder interval is desired Service items check points and time intervals appear...

Page 18: ...der LED Alarm LED Reset switch for alarm and maintenance reminder Advance switch for manual cycle Operating mode LED Manual test mode not desired Installed in the ON position when automatic power reco...

Page 19: ...ately 2 seconds The current ISO Class LED will remain illuminated and the Manual cycle mode LED will illuminate When in the Manual cycle mode the dyer can be advanced one step at a time using the rese...

Page 20: ...9 10 01 05 03 37 06 14 09 46 00 44 02 43 05 07 08 25 t3 0 01 12 04 00 06 55 10 50 00 48 03 00 05 40 09 20 t4 all 02 00 05 00 08 00 12 00 02 00 05 00 08 00 12 00 t5 all 02 02 05 02 08 02 12 02 02 02 05...

Page 21: ...sure d open 1 open 1 Right tower regenerating Fail to de pressurize e closed 1 Right tower regenerating Fail to re pressurizef open 2 Note Stop cycle on fault Comments 1 Check for fault condition at 1...

Page 22: ...6 Controller Level 1 22 6 Controller Level 1 Figure 6 2 Electrical Schematic Level 1 Controller...

Page 23: ...6 Controller Level 1 23 6 Controller Level 1 Figure 6 3 Point to Point Connection Diagram Level 1 Controller...

Page 24: ...6 Controller Level 1 24 6 Controller Level 1 Figure 6 4 continued on next page Panel Layouts Level 1 Controller...

Page 25: ...6 Controller Level 1 25 6 Controller Level 1 47 63 HZ 85 264 VAC 11 5 28 VDC Figure 6 4 continued from previous page Panel Layouts Level 1 Controller...

Page 26: ...PG 9 0 599 15 2 3 SOLENOID LEFT INLET VALVE 2 18 0 181 4 6 0 312 7 9 PG 9 0 599 15 2 4 SOLENOID LEFT PURGE VALVE 2 18 0 181 4 6 0 312 7 9 PG 9 0 599 15 2 5 SOLENOID RIGHT INLET VALVE 2 18 0 181 4 6 0...

Page 27: ...common alarm contacts with a minimum 5 amp rating can be made at terminals TB4 39 through 41 Terminal TB4 41 is the common contact connection Terminal TB4 39 is the N O normally open contact connectio...

Page 28: ...ing Pressure Jumper JP1 is used to select the maximum operating pressure Installed in the OFF position when operating at inlet pressures of 60 to 150 psig 4 2 to 10 5 kgf cm2 Installed in the ON posit...

Page 29: ...D On switch closed Off switch open Right tower drying LED Right purge valve LED On valve open Off valve closed Right tower regenerating LED Right inlet valve LED On valve open Off valve closed Enter s...

Page 30: ...tart mode Program Mode Screen 2 Refer to Section 7 7 for additional information 7 4 2 2 SELECT Switch This button is located to the left of the text display window Refer to Section 7 6 for additional...

Page 31: ...ET NO Press S to toggle between NO and YES When finished press E to acknowledge the selection and move to Screen 6 7 7 6 Program Mode Screen 6 Reset the timer for desiccant service DESICCANT SERVCE RE...

Page 32: ...arms for each tower that are triggered by the tower pressure switches These alarms can occur in either the fixed or demand cycle Following is a brief description of each alarm 1 Left or right tower dr...

Page 33: ...itch Circuit ALARM LEFT TOWER DRYING LOW PRESSURE 7 9 1 5 Alarm Mode Screen 2 Left Tower Regenerating High Pressure Closed Pressure Switch Circuit ALARM LEFT TOWER REGENERATING HIGH PRESSURE 7 9 1 6 A...

Page 34: ...lter to the Level 2 Controller the controller displays the same LEDs and messages it would if the timer for filter service had expired The dryer continues to cycle normally NOTE The LEDs for the valve...

Page 35: ...not installed INLET PRESSURE XX BARG XXX PSIG 7 10 9 Display Mode Screen 6 Dryer inlet temperature AUX3 analog input This screen is not displayed if jumper 5 is not installed INLET TEMP XX C XXX F 7...

Page 36: ...t Mode Screen 1 Step 1 TEST MODE STEP 1 OK TO EXIT NOW No temperature display on this screen Press S to advance to screen 2 7 11 2 Test Mode Screen 2 Step 2 TEST MODE STEP 2 XX C XXX F The left tower...

Page 37: ...n 6 7 or 8 Dryer MOP 60 150 psig 120 250 psig ISO Class 1 2 3 4 1 2 3 4 73 C 40 C 20 C 3 C 73 C 40 C 20 C 3 C Dew Point 100 F 40 F 4 F 38 F 100 F 40 F 4 F 38 F Cycle Time minutes 4 10 16 24 4 10 16 24...

Page 38: ...nerating Fail to re pressurizef open 2 Note Stop cycle on fault Comments 1 Check for fault condition at 15 25 35 seconds into the half cycle no If the fault condition is clear for 1 cycle the alarm LE...

Page 39: ...7 Controller Level 2 39 7 Controller Level 2 Figure 7 2 Electrical Schematic Level 2 Controller...

Page 40: ...7 Controller Level 2 40 7 Controller Level 2 3 2 1 5 4 8 7 6 J2 RPB Figure 7 3 continued on next page Point to Point Diagram Level 2 Controller...

Page 41: ...7 Controller Level 2 41 7 Controller Level 2 COM NC NO Figure 7 3 continued from previous page Point to Point Diagram Level 2 Controller...

Page 42: ...7 Controller Level 2 42 7 Controller Level 2 Figure 7 4 continued on next page Panel Layout Level 2 Controller...

Page 43: ...7 Controller Level 2 43 7 Controller Level 2 1 TB2 TB1 TB4 TB3 TB5 TB6 2 3 4 5 6 7 8 Figure 7 4 continued from previous page Panel Layout Level 2 Controller...

Page 44: ...2 0 114 2 9 0 250 6 4 PG 7 0 492 12 5 5 THERMISTOR 3 LEFT TOWER LOWER 2 22 0 114 2 9 0 250 6 4 PG 7 0 492 12 5 6 THERMISTOR 4 RIGHT TOWER LOWER 2 22 0 114 2 9 0 250 6 4 PG 7 0 492 12 5 7 PRESSURE SWIT...

Page 45: ...onditions listed in Section 8 1 4 Note For units with the Level 2 Controller and the Automatic Purge Saving System in the demand cycle mode use the ISO Class 2 10 min purge pressure settings only Adju...

Page 46: ...ing lights illuminated 8 2 2 Moisture Indicator Every four hours check moisture indicator Indicator should be green The color change moisture indicator indicates the outlet relative humidity of the de...

Page 47: ...ffler Excessive air discharge through the muffler can be associated with a leaking outlet check valve on the same side or a purge check valve of the opposite side tower Purge pressure and subsequent f...

Page 48: ...For maximum purge flow multiply the Inlet Flow At Rated Conditions from Table 8 1 by Maximum Purge Flow Factor from Table 8 6 that corresponds to the dryer MOP Cycle Time Setting and air pressure at i...

Page 49: ...2 5 2 5 2 3 2 2 2 2 2 2 2 1 2 0 2 0 psig 18 17 16 15 14 13 35 33 32 30 29 28 27 26 25 25 24 23 23 22 ISO CL 3 16 min kgf cm2 1 3 1 2 1 1 1 1 1 0 0 9 2 5 2 3 2 2 2 1 2 0 2 0 1 9 1 8 1 8 1 8 1 7 1 6 1 6...

Page 50: ...25 0 125 0 125 0 125 0 125 0 125 20 0 122 0 120 0 119 0 118 0 117 0 116 0 116 0 116 0 115 0 115 0 115 0 116 0 116 0 116 30 0 110 0 108 0 107 0 106 0 106 0 106 0 105 0 105 0 105 0 106 0 106 0 106 0 107...

Page 51: ...ght containers Keep the covers on these containers tightly closed until use to avoid moisture contamination If desiccant is exposed to air it can be heated in an oven at 400 F 204 C for four hours bef...

Page 52: ...ilot air filter The system must be fully de pressurized before removing the bowl Remove the filter bowl by pushing up turning counterclockwise and then pulling straight down Clean the filter bowl Repl...

Page 53: ...removal of voltage to pilot solenoid valve Verify proper actuator operation This is a spring assisted normally closed valve Check valve for obstruction or seat damage 10 4 Tower fails to re pressurize...

Page 54: ...Additional information that may be useful when dealing with Service Location of installation address and phone number _____________________________________________________________________ Distributor...

Page 55: ...________________________________________________________ Fixed or Demand Cycle Mode Level 2 controller only ___________________________________________________________________ Outlet pressure dew poin...

Page 56: ...IN LIEU OF ALL OTHER WARRANTIES WRITTEN ORAL OR SATUTORY AND IS EXPRESSED IN LIEU OF THE IMPLIED WARRANTY OF MERCHANTABILITY AND THE IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE THE MANUFACTU...

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