SPX FLOW DH-2100 Instruction Manual Download Page 1

1

PRESSURE-SWING
DESICCANT TYPE
COMPRESSED
AIR DRYERS

7610.479.9   1/22/97

IMPORTANT:
READ PRIOR TO STARTING THIS
EQUIPMENT

A.

 UNPACKING

    This shipment has been thoroughly checked,
     packed and inspected before leaving our plant.
     It was received in good condition by the
     carrier and was so acknowledged.
1. Check for Visible Loss or Damage.  If this
     shipment shows evidence of loss or damage
     at time of delivery to you, insist that a notation
    of this loss or damage be made on the delivery
    receipt by the carrier’s agent.
2. Check for Concealed Loss or Damage.  When a
     shipment has been delivered to you in
     apparent good order, but concealed damage is
     found upon unpacking, notify the carrier
     immediately and insist on his agent inspecting
     the shipment.  Fifteen days from receipt of
     shipment is the maximum time limit for
     requesting such inspection.  Concealed
     damage claims are not our responsibility as
     our terms are F.O.B. point of shipment.
B. 

MOVING CAUTION:

    Do not lift by piping. Use lifting lugs or fork lift.

1. Pressurized devices: This equipment is
    a pressure containing device. Do not
    exceed maximum operating pressure as
    shown on equipment serial number tag.
    Make sure equipment is depressurized
    before working on or disassembling it
    for  service.
2. Electrical: This equipment requires
    electricity to operate. Install equipment
    in compliance with national and local
    electrical codes. Standard equipment is
    supplied with NEMA 4, 4x electrical
    enclosures and is not intended for
    installation in hazardous environments.
    Disconnect power supply to equipment
    when performing any electrical service
    work.
3. Breathing  Air: Air treated by this
    equipment may not be suitable for
    breathing without further purification.
    Refer to OSHA standard 1910.134 for
    the requirements for breathing quality
    air.

GENERAL SAFETY

INFORMATION

MODEL

RATED FLOW

DESIGNATED AS MODELS

DH-25

25 SCFM

25

DH-45

45 SCFM

45

DH-60

00

60 SCFM

60

DH-80

80 SCFM

80

DH-115

115 SCFM

115

DH-165

165 SCFM

165

DH-260

260 SCFM

260

DH-370

370 SCFM

370

DH-450

450 SCFM

450

DH-590

590 SCFM

590

DH-750

750 SCFM

750

DH-930

930 SCFM

930

DH-1130

1130 SCFM

1130

DH-1350

1350 SCFM

1350

DH-1550

1550 SCFM

1550

DH-2100

2100 SCFM

2100

DH-3000

3000 SCFM

3000

DH-4100

4100 SCFM

4100

DH-5400

5400 SCFM

5400

®

Instruction Manual

DH Series

SERVICE DEPARTMENT (724) 746-1100

Summary of Contents for DH-2100

Page 1: ...ure containing device Do not exceed maximum operating pressure as shown on equipment serial number tag Make sure equipment is depressurized before working on or disassembling it for service 2 Electric...

Page 2: ...l check points 14 3 3 Shut down 15 3 4 Loss of power 15 3 5 Design parameters 16 3 6 Determining purge and outlet flows 16 3 7 Outlet dew points vs inlet temperatures 16 4 0 MAINTENANCE 18 4 1 Desicca...

Page 3: ...WLY pressurize unit 3 Energize dryer by turning on off switch on I is on O is off 4 Adjust purge air flow rate Turn purge rate valve until Purge Pressure Gauge reads as shown in the following table NO...

Page 4: ...to 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 heatl...

Page 5: ...me period air inlet switching valve 3B opens and inlet switching valve 3A closes purge and repressurization valve 9A then opens Refer to Figure 1B Tower 4B is now drying the main air stream while towe...

Page 6: ...Conditions The compressed air supply inlet should be checked periodically to ensure that equipment design specifications are not exceeded Normally the compressor installation includes intercoolers aft...

Page 7: ...ing Holes Desiccant Fill Port Left Tower Pressure Gauge Purge Pressure Adjustment Valve Left Tower Pressure Relief Valve Right Tower Pressure Gauge Right Tower Pressure Relief Valve Moisture Indicator...

Page 8: ...lve 3 4 19mm Dia Mounting Holes Pilot Air Filter Models 370 larger Moisture Indicator Right Tower Pressure Gauge Control Panel Electrical Entry 7 8 Purge Muffler Left Tower Pressure Gauge Purge Pressu...

Page 9: ...ifting Lugs Moisture Indicator Right Tower Pressure Gauge Control Panel Electrical Entry 7 8 Purge Mufflers Desiccant Drain Port 7 8 Dia Mounting Holes Lifting Lugs Left Tower Pressure Gauge Purge Pre...

Page 10: ...rge The dryer is shipped complete with desiccant and ready to operate after piping and electrical connections are made POWER REQUIREMENTS STANDARD CONTROL BOARD 25 THRU 60 120V 60 Hz 110V 50 Hz 34 2 0...

Page 11: ...ting Indicator Yellow Purge Economizer 50 Setting Indicator Yellow Purge Economizer 40 Setting Indicator Yellow Purge Economizer 30 Setting Indicator Yellow Alarm Reset Selection Mode Switch Purge Eco...

Page 12: ...0 switches 1 and 3 are ON switch 2 is OFF Purge Economizer Setting Standard or High Cycle Mode Selection Pressure Selection Switch No 1 2 3 4 5 6 Standard 10 minute cycle OFF ON 150 psig OFF MWP 4 min...

Page 13: ...tching failure alarm alarm light may be activated if unit is energized before it is pressurized To deactivate alarm allow dryer to cycle to next step and press the reset button 3 1 4 Adjust the purge...

Page 14: ...nimum level NOTE Adjustment must be made while a tower is purging air exhausting from muffler 3 2 2 4 Alarms 3 2 2 4 1 Switching Failure Alarm The switching failure alarm operates by sensing tower pre...

Page 15: ...uld read line pressure No air should be leaking from purge repressurization valve of the on line tower 2 Tower pressure gauge of tower off line should read below 2 psig while tower is purging If exces...

Page 16: ...4 2 kgf cm2 for dryers operated on a 10 minute cycle 80 psig 5 6 kgf cm2 for dryers operated on a 4 minute cycle 250 psig 17 6 kgf cm2 MWP models 125 psig 8 8 kgf cm2 for dryers operated on a 10 minu...

Page 17: ...071 INLET psig PRESSURE kgf cm2 MULTIPLIER TABLE 3G Maximum Purge Flow Factor DRYER MWP 150 psig 250 psig INLET PRESSURE psig 60 100 110 120 130 140 150 125 150 175 200 225 250 0 175 0 168 0 162 0 15...

Page 18: ...esiccant Do not tamp desiccant 4 1 2 5 Replace the fill plug us ing teflon tape sealant or equivalent 4 1 2 6 Repeat this procedure for the other drying tower 4 1 3 Insuring desiccant dryness 4 1 3 1...

Page 19: ...by default 4 5 2 4 After troubleshooting is completed reset the cycle selector to the desired position Use the reset switch to manually step through the dryer operating sequence until the left tower...

Page 20: ...20 160 140 120 100 80 60 40 20 0 10 20 30 40 50 60 70 80 90 100 TEMPERATURE RANGE VERSUS AVERAGE DEMAND THERMISTOR TEMPERATURE RANGE F AVERAGE DEMAND READING FIGURE4C...

Page 21: ...alve for obstruction Check power to valve pilot valve on Models 370 and larger to determine if valve or timer iis at fault Check valve for obstruction Models 370 and larger Check pilot valve and pilot...

Page 22: ...22...

Page 23: ...23...

Page 24: ...arranty shall be warranted for the unexpired portion of the warranty applying to the original product The foregoing is the exclusive remedy of any buyer of the manufacturer s product The maximum damag...

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