SPX FLOW Hankison DH Series Instruction Manual
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SPX FLOW Hankison DH Series Instruction Manual

SPX FLOW Hankison DH Series Instruction Manual

Pressure-swing desiccant type compressed air dryers
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7610.479.9 1/22/97
Instruction Manual
DH Series
GENERAL SAFETY
INFORMATION
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.
MODEL
DH-25
DH-45
DH-6000
DH-80
DH-115
DH-165
DH-260
DH-370
DH-450
DH-590
DH-750
DH-930
DH-1130
DH-1350
DH-1550
DH-2100
DH-3000
DH-4100
DH-5400
SERVICE DEPARTMENT (724) 746-1100
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.
RATED FLOW
25 SCFM
45 SCFM
60 SCFM
80 SCFM
115 SCFM
165 SCFM
260 SCFM
370 SCFM
450 SCFM
590 SCFM
750 SCFM
930 SCFM
1130 SCFM
1350 SCFM
1550 SCFM
2100 SCFM
3000 SCFM
4100 SCFM
5400 SCFM
PRESSURE-SWING
DESICCANT TYPE
COMPRESSED
AIR DRYERS
DESIGNATED AS MODELS
25
45
60
80
115
165
260
370
450
590
750
930
1130
1350
1550
2100
3000
4100
5400
®
1

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Summary of Contents for SPX FLOW Hankison DH Series

  • Page 1 7610.479.9 1/22/97 ® Instruction Manual PRESSURE-SWING DH Series DESICCANT TYPE COMPRESSED IMPORTANT: AIR DRYERS READ PRIOR TO STARTING THIS GENERAL SAFETY EQUIPMENT INFORMATION A. UNPACKING 1. Pressurized devices: This equipment is This shipment has been thoroughly checked, a pressure containing device. Do not packed and inspected before leaving our plant.

  • Page 2: Table Of Contents

    CONTENTS 1.0 DESCRIPTION ..........................4 1.1 Function ............................4 1.2 Description of Operation ......................5 2.0 INSTALLATION .......................... 6 2.1 Location in a compressed air system ..................6 2.2 Minimum & Maximum Operating Conditions ................6 2.3 Mounting ............................. 6 2.4 Piping ............................
  • Page 3 MINI INSTRUCTIONS For complete instructions on installation, operation, and maintenance, consult manual. I . INSTALLATION 1. Install on level surface. 2. Ambient temperature range: 35 to 120°F (1.7 to 49°C) [ if low ambient package supplied: -10 to 120°F (-23 to 49°C) ] 3.

  • Page 4: Description

    1.0 DESCRIPTION 1.1 Function Desiccant is regenerated by driving off (desorbing) the water collected on 1.1.1 Dryer Dual tower regenerative desiccant dryers are an economical its surface. Pressure-swing (also called heatless or heaterless because no and reliable way to dry compressed air to dew points below the freezing outside heat is added) dryers regenerate by expanding a portion (approxi- point of water (dew points as low as -150°F [1 ppb @ 100 psig, 7.0 kgf/ mately 14 - 15% at 100 psig, 7 kgf/cm...

  • Page 5: Description Of Operation

    1.2 Description of Operation 1.2.1 Dryer (Refer to Figure 1A.) Compressed air flows through inlet switching valve (3A) to tower (4A) where the air is dried. After the air is dried it flows through check valve (5A) and then to the dryer outlet. A portion of the dry air, the purge stream, branches off from the OUTLET main air stream prior to the outlet.

  • Page 6: Installation

    2.0 INSTALLATION 2.2 Minimum & Maximum Operating Conditions 2.1 Location in the compressed air system. The compressed air supply inlet should be checked periodically to ensure that equipment design specifications are not exceeded. Normally the NOTE compressor installation includes intercoolers, aftercoolers, separators, Air Compressor should be adequately sized to handle air system demands receivers, or similar equipment which adequately pretreat the compressed as well as purge loss.
  • Page 7 FIGURE 2B Models 25 through 80 Left Tower Pressure Gauge Left Tower Pressure Relief Valve Right Tower Pressure Gauge Desiccant Fill Port Right Tower Pressure Relief Valve Moisture Indicator Purge Pressure Purge Pressure Adjustment Valve Gauge Control Panel Electrical Entry (7/8") Purge Muffler 3/4"...
  • Page 8 FIGURE 2C Models 115 through 2100 Left Tower Pressure Relief Valve Right Tower Pressure Relief Valve 3/4" (19mm) Dia. Mounting Holes 2" (51mm) Lifting Lugs "G" Air Outlet Pilot Air Filter (Models 370 & larger) Desiccant Fill Port Moisture Indicator Purge Pressure Adjustment Valve Right Tower Left Tower Pressure Gauge...
  • Page 9 FIGURE 2D Models 3000 thru 5400 Lifting Lugs Right Tower Pressure Relief Valve 7/8" Dia. Mounting Holes Left Tower Pressure Relief Valve Air Outlet Pilot Air Filter Purge Pressure Desiccant Fill Port Adjustment Valve Lifting Lugs Moisture Indicator Left Tower Pressure Gauge Right Tower Pressure Gauge...

  • Page 10: Electrical Connections

    2.5 Electrical Connections 2.5.2.2 Automatic Purge Saving System 2.5.1 Power to Unit Dry contacts for a remote alarm are supplied at terminals 6 and 7. Maximum contact rating is: NOTE 230 VAC - 4.3 amp Check Serial Number Tag for correct voltage. 115 VAC - 8.7 amp 200 VDC - 0.15 amp 2.5.1.1 Standard Unit...
  • Page 11 Customer Power To Solid Connections Power Off/On State Switch Purge Timer Economizer DIP Switches Control Spare Load Connections Circuits Control Circuit Fuse Solid State Timer and To Solid 1SOL Energized Indicator (Green) Control Circuit Step State Down Transformer Timer 2SOL Energized Indicator (Green) 3SOL Energized Indicator (Green) Control Circuits...

  • Page 12: Operation

    3.0 OPERATION 3.1 Start-up 3.1.1 Controller Settings- Set or verify settings on controller 3.1.1.1 Standard Unit Control Board - NOTE: Make settings with dryer de-energized. 3.1.1.1.1 Voltage Selection - Set the voltage selection switch located at the lower edge of the power board for the proper voltage. 3.1.1.1.2 Dip Switch Settings - NOTE: For ON DIP switch is up;...
  • Page 13 3.1.2 SLOWLY pressurize dryer to full line pressure (open inlet valve, outlet valve remains closed). 3.1.1.2 Automatic Purge Saving System Control Board 3.1.1.2.1 Voltage selection - Set the voltage selection NOTE switch located at the lower edge of the power board for the During initial start-up check entire system for leaks.

  • Page 14: Operational Check Points

    3.2.2. Units with Automatic Purge Saving 3. 2 Operational Check Points System 3.2.21 Power to unit - Check periodically that there is power 3.2.1 Standard Unit to the unit (indicating lights illuminated). 3.2.1.1 Power to unit - Check periodically that there is power to the 3.2.2.2 Moisture Indicator - Every four hours check mois- unit (indicating lights illuminated).

  • Page 15: Shut-Down

    FIGURE 3C For dryers operating on a 10 minute cycle TIME (Min.) 3.2.2.5 Tower status lights - indicate when left and right VALVE towers are drying and regenerating. OPEN CLOSED 3.2.2.6 Valve energized lights CLOSED OPEN Four LEDs are furnished on controller to indicate which air Cl 6"...

  • Page 16: Design Parameters

    Determine average outlet flow available by subtracting Aver- 3.5 Verify that dryer is operating within design age Purge Flow (APF) found in 3.6.1.2 from the inlet flow to the parameters dryer. 3.5.1 Maximum working pressure: NOTE Refer to Serial Number Tag to determine maximum working Average outlet flow may be used to determine available down- pressure of dryer.
  • Page 17 TABLE 3E Maximum Inlet Flow at Rated Conditions MODEL 1130 1350 1550 2100 3000 4100 5400 Inlet @ 100 psig (7.0 kgf/cm 1130 1350 1550 2100 3000 4100 5400 (scfm) (1) (2) (1) Convert scfm to metric units as follows: 1 scfm = 1.717m n/h.

  • Page 18: Maintenance

    4.0 MAINTENANCE WARNING 4.2 Pilot Air Filter - Element Replacement - The heatless desiccant dryer is a pressure containing device. Depressurize before servicing. (See Section 3.3) Models 370 scfm and larger 4.1 Desiccant Replacement 4.2.1 Frequency of replacement - Pilot air filter contains a filter element which should be changed yearly or sooner if pressure drop NOTE across cartridge prevents valves from actuating.

  • Page 19: Fuse Replacement (Automatic Purge Models Only)

    4.3.2 Fuse Replacement 4.5.2 Test Mode - Automatic Purge Saving System Only one of the "Valve Power" and one of the "Control 4.5.2.1 Press cycle selector switch until Test Mode Light Power" fuses should be installed at any time. illuminates. This change will not be acknowledged by the controller 4.3.2.1 Use 1/8 amp fuse in positions 1 &...
  • Page 20 TEMPERATURE RANGE VERSUS AVERAGE DEMAND THERMISTOR TEMPERATURE RANGE (F) AVERAGE DEMAND READING FIGURE 4C...

  • Page 21: Troubleshooting

    5.0 TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION 5.1 Indicator lights not illuminated No power to unit Check voltage at terminal board. On/Off Switch off Turn on. Switch malfunctioning Replace switch. 5.2 Moisture Indicator Maximum flow being exceeded Refer to Section 3.5.4 to determine maximum flow. Turns yellow (elevated outlet dew points) Design conditions being exceeded Refer to Section 3.5 to determine if dryer is being operated...
  • Page 24 WARRANTY The manufacturer warrants the product manufactured by it, when properly installed, operated, applied, and maintained in accordance with procedures and recommendations outlined in manufacturer’s instruction manuals, to be free from defects in material or workmanship for a period of one (1) year from the date of shipment to the buyer by the manufacturer or manufacturer’s authorized distributor, or eighteen months from the date of shipment from the factory, whichever occurs first, provided such defect is discovered and brought to the manufacturer’s attention within the aforesaid warranty period.

This manual is also suitable for:

Hankison dh-45Hankison dh-25Hankison dh-6000Hankison dh-80Hankison dh-115Hankison dh-260 ... Show all

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