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HEATED PURGE

DESICCANT

COMPRESSED

AIR DRYERS

INSTRUCTION MANUAL

DHP SERIES

MODELS

RATED

FLOW

MODEL

REFERENCE

DHP300

DHP400

DHP500

DHP600

DHP750

300 SCFM

400 SCFM

500 SCFM

600 SCFM

750 SCFM

300

400

500

600

750

DHP900

DHP1050

DHP1300

DHP1500

DHP1800

900 SCFM

1050 SCFM

1300 SCFM

1500 SCFM

1800 SCFM

900

1050

1300

1500

1800

DHP2200

DHP2600

DHP3200

2200 SCFM

2600 SCFM

3200 SCFM

2200

2600

3200

3156453 Rev. N

01/18

18-3-645 4th Edition

For Sales and Service: (800) 883-2477

Or visit Sales and Service at www.gardnerdenverproducts.com

Contents

1.0 General Safety Information ........................... 2

2.0 Receiving, Storing, and Moving ..................... 2

3.0 Description .................................................... 3

4.0 Installation ..................................................... 3

5.0 Instrumentation .............................................. 8

6.0 Operation ....................................................... 11

7.0 Maintenance .................................................. 28

8.0 Troubleshooting ............................................. 30

9.0 Purge Information .......................................... 33

DRAWINGS

P&ID Schematic: Models 300 through 600........... 34

P&ID Schematic: Models 750 through 3200......... 36

Electrical Schematic – 460VAC, 3 phase .............. 38

Electrical Schematic – 575VAC, 3 phase .............. 39

REPLACEMENT PARTS

Models 300 through 600 ........................................ 40

Models 750 through 1800 ...................................... 42

Models 2200 through 3200 .................................... 44

WARRANTY .......................................................... 48

Содержание DHP Series

Страница 1: ...3 645 4th Edition For Sales and Service 800 883 2477 Or visit Sales and Service at www gardnerdenverproducts com Contents 1 0 General Safety Information 2 2 0 Receiving Storing and Moving 2 3 0 Descri...

Страница 2: ...GER WARNING and CAUTION are used to indicate hazard seriousness levels as follows DANGER Immediate hazard which will result in severe injury or death WARNING Hazard or unsafe practice which could resu...

Страница 3: ...nt bed desorbs the moisture from the desiccant and carries the desorbed water out of the dryer The heater and venturi suction valve are turned off when the Heat Saver temperature sen sor detects bed h...

Страница 4: ...bypass piping may be installed to allow uninter rupted airflow during servicing If the downstream appli cation cannot tolerate unprocessed air for short periods install a second dryer in the bypass l...

Страница 5: ...licable from the desiccant fill port at the top of each tower Refer to Figures 3 and 3a for the fill port location CAUTION Pouring desiccant creates a fine dust safety goggles gloves and a dust mask s...

Страница 6: ...OVED FOR CLARITY P L S GAS INLET M T GAS OUTLET CONNECTION TOP VIEW R SLOT TYP 4 PLACES CENTERLINE OF CUSTOMER DRY GAS OUTLET CONNECTION H CENTERLINE OF CUSTOMER WET GAS INLET CONNECTION E MAX F G C D...

Страница 7: ...1 2 NPT 2 NPT 2 NPT 3 FLANGE 3 FLANGE 3 FLANGE 3 FLANGE 3 FLANGE 3 FLANGE 4 FLANGE 4 FLANGE 4 FLANGE T 1 1 2 NPT 1 1 2 NPT 2 NPT 2 NPT 3 FLANGE 3 FLANGE 3 FLANGE 3 FLANGE 3 FLANGE 3 FLANGE 4 FLANGE 4...

Страница 8: ...sed on the on stream cham ber and open on the regenerating chamber If triggered the dryer control system will energize the red alarm LED on the control panel and de energize the common alarm relay The...

Страница 9: ...OWER INSULATION OPTIONAL HIGH TENSION ENCLOSURE CONTROL ENCLOSURE RIGHT TOWER PRESSURE GAUGE PURGE PRESSURE GAUGE REAR VIEW TOWER INLET VALVE ASME CODE TAG HOT PIPE INSULATION OPTIONAL HEATER TEMP THE...

Страница 10: ...RIGHTTOWER PRESSURE GAUGE HIGHTENSION ENCLOSURE CONTROL ENCLOSURE ASME RELIEFVALVE HOT PIPE INSULATION OPTIONAL PURGE INLET CHECK VALVE IN VXD TOWER INLET VALVE ASME CODE TAG PURGE ADJUSTING VALVE REM...

Страница 11: ...the Right Purge Check Valve down through the right tower and exits through the Right Tower Purge Ex haust Valve D The Heater is de energized when the Right Chamber temperature sensor detects desiccan...

Страница 12: ...st muffler Next Purge Supply Valve E and Left Tower Purge Exhaust Valve D are opened and the Heater is turned on The Venturi Blower Intake Shutoff Valve F is opened Purge air passes through the ventur...

Страница 13: ...FF position to en able both the dryer fault alarms and service alarms to activate the common alarm This is the default configuration Install jumper JP6 in the ON position if the common alarm is to act...

Страница 14: ...the Heated Desic cant Dryer Control a Program Mode b Setup Mode c Alarm Service Mode d Display Mode e Test Mode 2 Each Mode is described below 6 5 4 Program Mode 1 Press and hold and for 3 seconds to...

Страница 15: ...et Point for Dew Point Demand Control This feature is only active when JP3 is on DPNT CNTL SETPT XX C XXX F 1 Press to increment the setting to the desired value a Standard set point is 30 C 22 F b Th...

Страница 16: ...acknowledge the selection and move to next screen Exit Program Mode when there are no more active screens to display 6 5 5 Setup Mode 1 Press and hold for 3 seconds to enter Setup Mode 2 Setup Mode i...

Страница 17: ...le sequence is stopped a local alarm is displayed and the common alarm relay is de energized c Alarm Left Tower Regenerating High Pressure will be displayed if regenerating the left tower Alarm Right...

Страница 18: ...TWR DEW POINT UNDER RANGE ALARM RIGHT TWR DEW POINT OVER RANGE ALARM LEFT TOWER TEMP UNDER RANGE ALARM LEFT TOWER TEMP OVER RANGE ALARM RIGHT TWR TEMP OVER RANGE ALARM RIGHT TWR TEMP UNDER RANGE ALARM...

Страница 19: ...Energy Management Control the dryer sequence continues but bypasses the HOLD step and proceeds to tower switchover after 4 hours of drying iii This alarm is self clearing at which time the alarm LED s...

Страница 20: ...d to the controller whether the controller is switched on or off When a service time interval expires see also 14 d below the controller operates as follows a The service LED blinks and the appropriat...

Страница 21: ...reminder filters HOURS TO SERVICE FILTERS XXXX Service reminder desiccant HOURS TO SERVICE DESICCANT XXXX Service reminder valves HOURS TO SERVICE VALVES XXXX Outlet Dew Point Displayed only if JP3 i...

Страница 22: ...en Open Open then Closed 2PS Closed Closed then Open Open Open Open Open then Closed Closed Closed Closed Closed Closed Closed LT drying solenoid B On On On On On On Off Off Off Off Off Off LT depress...

Страница 23: ...essurized Exception If switching failure is disabled then pressure condition is ignored Screen 7 Step 7 TEST7 RT DRYING RT XX C XXX F Screen 8 Step 8 TEST8 DEPR LT LT XX C XXX F NOTE Sequence step wil...

Страница 24: ...s dust in the muffler cartridges This sometimes occurs after start up due to dusting of the desiccant during tower filling and dryer transport If the tower pressure gauge of the off stream tower rises...

Страница 25: ...valves will react as follows 1 For models with poppet style inlet valves models 300 600 both inlet valves will open Both towers will repressurize 2 For models with butterfly inlet valves models 750 3...

Страница 26: ...on of the inlet temperature F xxx ASCII representation of the heater temperature F xxx ASCII representation of the left bed temperature F xxx ASCII representation of the right bed temperature F xxx AS...

Страница 27: ...27 Example If jumper 8 5 and 1 are installed a value of 128 16 1 145 is returned To decode the algorithm If number 128 jumper 8 on number number 128 If number 64 jumper on number number 64 etc...

Страница 28: ...desiccant Layer 1 must be installed first at the bottom of the vessel followed by layer number 2 etc until the complete charge of desiccant has been installed e Utilizing an appropriate sized funnel f...

Страница 29: ...placement may be required sooner if pressure drop across the cartridge prevents the Dew Point Analyzer from operating properly WARNING The Dew Point Analyzer filter housing is a pressure containing de...

Страница 30: ...failed to close 6 Drying tower Depressurization Valve failed to close 7 Regenerating tower Outlet Check Valve failed to close 1 Check compressor supplying dryer 2 Check equipment downstream of dryer...

Страница 31: ...rge Exhaust Valve failed to close 3 Regenerating tower Depressurization Valve failed to close 1 Check pressure switch operation using tower pressure gauge for comparison Replace switch if defective 2a...

Страница 32: ...Left Tower or Right Tower 1 Desiccant bed overloaded 2 Poor regeneration 3 Moisture probe damaged or defective 4 Loss of desiccant drying capacity 1 Check inlet air flow rate temperature and pressure...

Страница 33: ...PRESSURE PSIG PURGE SET PRESSURE PSIG MODEL ORIFICE DIA IN 300 7 32 34 58 400 1 4 34 37 500 9 32 34 47 600 5 16 34 38 750 11 32 34 46 900 3 8 34 58 1050 13 32 34 25 1300 29 64 34 38 1500 31 64 34 50...

Страница 34: ...PHIC SYMBOLS FOR FLUID POWER DIAGRAMS SOLENOID VALVES A C E F ARE SHOWN DE ENERGIZED AS SHOWN FLOW DIRECTION IS INDICATES OPTION 3 2 1 PILOT GAS LINE RIGHT CHAMBER REGEN LEFT CHAMBER DRYING NOTES 4 SO...

Страница 35: ...INLET VALVE V1 LEFT V2 RIGHT 2 PURGE EXHAUST VALVE V3 LEFT V4 RIGHT 3 PURGE CHECK VALVE V5 LEFT V6 RIGHT 4 OUTLET CHECK VALVE V7 LEFT V8 RIGHT 6 PURGE HEATER WITH INSULATION 7 HEATER TEMPERATURE THER...

Страница 36: ...S SOLENOID VALVES A C E F ARE SHOWN DE ENERGIZED AS SHOWN FLOW DIRECTION IS INDICATES OPTION 3 2 1 PILOT GAS LINE RIGHT CHAMBER REGEN LEFT CHAMBER DRYING NOTES 4 SOL H RTD4 HS1 SOL D RTD 1 V3 V4 SOL C...

Страница 37: ...E P R E S S U R IZ A T IO N R E P R E S S U R IZ A T IO N S W E E P 55 3 H O L D 2 176 55 S W E E P 3 L O S S O F P O W E R H O L D FIXED CYCLE TIMING LEFT CHAMBER DRYING RIGHT CHAMBER REGEN RIGHT CH...

Страница 38: ...ONLY 3 G 1 26 RED GREEN BROWN BLACK EXTERNALLY LOCATED OPTION 102 101 120VAC 101 110 RED BLACK GREEN 21 ADD FOR MODELS 900 3200 ONLY TB5 90 91 ORANGE 32 33 34 35 90 91 EXTERNALLY LOCATED DEWPOINT TRAN...

Страница 39: ...1 26 RED GREEN BROWN BLACK EXTERNALLY LOCATED OPTION 102 101 120VAC 101 110 RED BLACK GREEN 21 ADD FOR MODELS 900 3200 ONLY TB5 90 91 ORANGE 32 33 34 35 90 91 EXTERNALLY LOCATED DEWPOINT TRANSMITTER 4...

Страница 40: ...URE CONTROL ENCLOSURE 22 46 6 4 11 15 17 14 2 27 58 11 23 AIR OUT LEFT CHAMBER RIGHT CHAMBER AIR IN 1 9 45 44 3 10 42 43 FRONT VIEW SIDE VIEW RIGHT CHAMBER REMOVED FOR CLARITY REAR VIEW 7 8 Gardner De...

Страница 41: ...4237 G3154237 G3154237 G3154237 1 17 Exhaust Muffler G3204478 G3130773 G3130773 G3072056 2 Exhaust Muffler Replacement Core G3126761 G3121200 G3121200 G3094580 1 2 22 Purge Adjusting Valve G1196180 G1...

Страница 42: ...LOSURE 45 46 25 23 11 5 27 2 54 15 14 11 4 10 44 7 8 22 3 42 9 1 1A 17A 6 MODEL 750 17 2 43 FRONT VIEW SIDE VIEW RIGHT CHAMBER REMOVED FOR CLARITY REAR VIEW AIR IN AIR OUT LEFT CHAMBER RIGHT CHAMBER I...

Страница 43: ...G3072056 N A N A N A N A N A 2 Exhaust Muffler Replacement Core G3094580 N A N A N A N A N A 2 2 17a Depress Muffler N A G3071392 G3071392 G3071392 G3090655 G3090655 2 Depress Muffler Replacement Cor...

Страница 44: ...CONTROL ENCLOSURE 8 7 25 22 46 6 10 4 11 15 54 2 14 5 27 11 23 1 1A 3 9 42 45 44 17A 43 FRONT VIEW SIDE VIEW RIGHT CHAMBER REMOVED FOR CLARITY REAR VIEW AIR OUT LEFT CHAMBER RIGHT CHAMBER AIR IN Gard...

Страница 45: ...Air Filter Element G3158592 G3158592 G3158592 1 15 Pilot Air Pressure Regulator G3154237 G3154237 G3154237 1 17a Depress Muffler G3130773 G3130773 G3130773 2 Depress Muffler Replacement Core G3121200...

Страница 46: ......

Страница 47: ......

Страница 48: ...uiring routine replacement are not warranted Unauthorized service voids the warranty and any resulting charge or subsequent claim will not be paid THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF AL...

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