SPX HCD Series Instruction Manual
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SPX HCD Series Instruction Manual

Heat of compression desiccant air dryers
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I N S T R U CT I O N M A N UA L
Heat of Compression Desiccant Air Dryers
HCD SERIES
350 - 10000 scfm (595 - 16990 nm
/h)
3
F O R M N O . : 7 4 2 9 7 8 9
R E V I S I O N : 0 3 / 2 0 1 5
R E A D A N D U N D E R S TA N D T H I S M A N UA L P R I O R TO O P E R AT I N G O R S E R V I C I N G T H I S P R O D U CT.

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  • Page 1 I N S T R U CT I O N M A N UA L Heat of Compression Desiccant Air Dryers HCD SERIES 350 - 10000 scfm (595 - 16990 nm F O R M N O . : 7 4 2 9 7 8 9 R E V I S I O N : 0 3 / 2 0 1 5 R E A D A N D U N D E R S TA N D T H I S M A N UA L P R I O R TO O P E R AT I N G O R S E R V I C I N G T H I S P R O D U CT.

  • Page 2: Table Of Contents

    Contents 1.0 General Safety Information ...... 3 2.0 Receiving, Storing, and Moving ....3 3.0 Description ..........4 4.0 Installation ..........4 5.0 Instrumentation ......... 7 6.0 Operation ..........8 7.0 Maintenance ..........23 8.0 Troubleshooting ........27 P&ID Schematic ..........28 Electrical Schematic .........

  • Page 3: General Safety Information

    DANGER—Immediate hazard which will result in severe 1.0 General Safety Information injury or death. This equipment is designed and built with safety as a prime WARNING—Hazard or unsafe practice which could result consideration; industry-accepted safety factors have been in severe injury or death. used in the design.

  • Page 4: Description

    3. Dew Point Control (Option) 3.0 Description The regenerating tower is heated through in exactly the same way as described previously; however, the 3.1 Function Dew Point Control makes use of an outlet dew point Heat of Compression Air dryers are an economical and transmitter sampling the dried air to monitor the outlet reliable way to dry compressed air to dew points below air dew point and extend the drying period until the...
  • Page 5 Compressor Desiccant Dryer Afterfilters Receiver Figure 1 Typical System Configuration 4.3 Location and Clearance 4.5.1 Water Connections Connect cooling water inlet and outlet. See Table 1 for Install the dryer on a level pad. Ensure the dryer is cooling water requirements. level by grouting or shimming as necessary.
  • Page 6 • The coil is de-energized when power is removed or Model Peak Drain when an alarm condition exists. Rate scfm • The common alarm is designed to activate on: a) either a dryer fault condition or a service reminder, or b) a dryer fault condition. This is user selectable. •...

  • Page 7: Instrumentation

    4. Utilizing an appropriate sized funnel, fill each desic- 5.0 Instrumentation cant tower as follows: The following instrumentation helps in monitoring dryer a. Install the required quantity of tower media in layer operation and performance. Instruments which are avail- 1 of each tower. able as options are so noted.

  • Page 8: Operation

    from blue (dry) to pink (wet), alerts personnel of a dryer- 6.0 Operation associated moisture problem which requires investiga- tion. The gas exits the indicator through a porous disc 6.1 Controls (4) and then vents to atmosphere through an adjustable A solid-state controller monitors all critical operating con- bleed valve (5).
  • Page 9 6.3 Operating Sequence Description Cool compressed air flow: e. Purge Air Separator – removes condensed (Refer to P&ID drawing in back of manual) water from the air to be dried 6.3.1 Fixed Cycle and Standard Cycle f. Right Tower Drying Inlet Valve (V5) 1.
  • Page 10 6.3.2 Dew Point Control (option) 6.5 Operator Interface Operation of the DEW POINT Control is identical to the Refer to Figure 3, Front Panel Overlay for information Standard Cycle except the drying time is extended until regarding the location and function of the LEDs, switches, the desiccant bed in the on-line tower has been fully and text display.
  • Page 11 Filter Service / Left Dry Air Outlet Valve LED Maintenance LED On=valve open Off=valve closed Filter Service / Maintenance LED Left Tower Drying LED Right Dry Air Outlet Valve LED Left Purge Outlet Valve LED On=valve open On=valve open Off=valve closed Off=valve closed Left Wet Inlet Valve LED Right Tower Drying LED...
  • Page 12 Heat of compression (UI Diagram) Dryer Con guration Dryer Mode CYCLE TYPE ENGLISH SPANISH FRENCH STANDARD SERVICE LEVEL SERVICE LEVEL CYCLE TYPE NORMAL SEVERE DEW POINT FILTER SERVICE FILTER SERVICE CYCLE TYPE RESET? NO RESET? YES FIXED VALVES SERVICE VALVES SERVICE CYCLE TYPE RESET? NO RESET? YES...
  • Page 13 Screen 5: Reset the Timer for Desiccant Service 2. When finished, press to acknowledge the DESICCANT SERVICE selection and move to next screen. Exit Program Mode when there are no more active screens to RESET? NO display. 1. Press to toggle between NO and YES. Screen 9: Set the Minimum Inlet Temperature Set 2.
  • Page 14 Heat of compression (UI Diagram) Dryer State Screens (Standard/Fixed/Dew Point) Right Tower Drying Left Tower Drying Dryer Status Screens LT HEAT (1) LT DRYING DRYER STATE RT DRYING RT HEAT (1) DRYING LT HEAT (2) LT DRYING MINUTES xxx RT DRYING RT HEAT (2) HOURS TO SERVICE LT STANDBY...
  • Page 15 Screen 12: Set Alarm Point for the Dew Point 4. One of two things will happen upon exiting Setup Transmitter (Displayed only when JP3 “on”) Mode. a. The controller will switch to Display Mode if FIXED ALARM DEW POINT CYCLE, STANDARD CYCLE or DEW POINT ±XXX°C ±XXX°F CONTROL is selected.
  • Page 16 When a service time interval expires the controller oper- ates as follows: a. The service LED blinks and the appropriate service message is shown on the text display. i. When the service interval for filters has expired (see also d below), the three filter LED’s also blink.
  • Page 17 Drain Valve Alarm Conditions Alarm Text Alarm Trigger Exit Condition States Alarm Action ALARM DRAIN Demand drain valve common Common alarm contact closed Activate alarm relay VALVE FAILURE alarm contact open Energize Backup Timer Drain Display local alarm Pilot Pressure Alarm Conditions Alarm Text Alarm Trigger Exit Condition...
  • Page 18 6.5.7 Manual Mode 6.6.4 Bringing the Dryer Online 1. Manual Mode is active when the user exits Program Establish a normal flow through the dryer. Slowly open Mode after selecting operation in MANUAL CYCLE. the outlet isolation valve if present. Close any dryer by- pass valves.
  • Page 19 6.9 Loss of Power Control valves are designed so that upon loss of power the air dryer is capable of drying air until the desiccant exposed to the airflow is saturated. 6.9.1 Power Recovery: 6.9.1.1 On loss of electrical power – All controller outputs turn off causing the dryer operating valves to remain in last position.
  • Page 20 Modbus Registers Holding Register Reference Address Name Units Description 40001 0x0000 DRYER_STATUS Integer State ID for the current dryer state 40002 0x0001 ALARM_STATUS Flag Bits Alarm flag bits 40003 0x0002 WARNING_STATUS Flag Bits Warning flag bits 40004 0x0003 SERVICE_STATUS Flag Bits Service flag bits 40005 0x0004...
  • Page 21 Modbus Register Details Page 1 of 2 Dryer State Register 40001 Integer Decimal Hexadecimal Description 0x0000 Left Heat 1 0x0001 Left Heat 2 0x0002 Left Standby 0x0003 Right Heat 1 0x0004 Right Heat 2 0x0005 Right Standby Alarm ID Register 40002 Flags Mask...
  • Page 22 Modbus Register Details Page 2 of 2 Service ID Register 40004 Flags Mask Description 0x0001 Service dryer filters 0x0002 Service dryer valves 0x0004 Service dryer desiccant 0x0008 Reserved 0x0010 Reserved 0x0020 Reserved 0x0040 Reserved 0x0080 Reserved 0x0100 Reserved 0x0200 Reserved 0x0400 Reserved 0x0800...

  • Page 23: Maintenance

    e. Utilizing an appropriate sized funnel, fill each 7.0 Maintenance desiccant tower as follows: 1) Install the required quantity of bed support or WARNING - This equipment is a pressure-containing activated alumina in layer 1 of each tower. device. Depressurize before servicing. 2) Level layer 1 and each subsequent layer of NOTE: The Dryer Controller is equipped with Service desiccant as added to each tower.
  • Page 24 c. Remove the filter bowl by pushing up, turn- c. FOR MAXIMUM FILTRATION EFFICIENCY, ing counterclockwise and then pulling straight REPLACE ELEMENT WHEN PRESSURE down. DROP REACHES 4 PSI (0.28 KGF/CM ) OR ANNUALLY, WHICHEVER OCCURS FIRST. d. Clean the filter bowl. WARNING —...
  • Page 25 6. After making certain that o-ring inside top of bowl d. Clean face of inlet manifold with a mild detergent (and on bayonet mount heads, wave spring) are in using a long-handled brush or clean rag attached to place, reassemble bowl to head. a rod.
  • Page 26 5. Replace O-ring [9], and re-install screw [6] in sight dome [2]. 6. Carefully pour new granular indicator into sight dome [2]. Slide porous disc [4] into place. 7. Replace O-ring [7] and re-install sight dome as- sembly (items [2], [4], [6], [7], and [9]) in body [8]. 8.

  • Page 27: Troubleshooting

    8.0 Troubleshooting WARNING - A POTENTIAL ELECTRICAL SHOCK HAZARD EXISTS. Some of the troubleshooting checks may require gaining access to the dryer’s electrical enclosure(s) while the power supply is energized and should be performed by a qualified electrical technician. WARNING - Before performing any electrical or mechanical repairs or maintenance, or removing or disassembling any component, be sure to de- energize and depressurize the dryer.

  • Page 28: P&Id Schematic

    P&ID Schematic (Contact factory to request certified drawings) DRY AIR OUTLET SET AT 80PSI RTD3 EXH. RTD2 HOT AIR INLET REGENERATING RTD5 RTD4 WATER WATER NOTES 1. SYMBOLS ARE PER ISO-1219-1 2006 "GRAPHIC SYMBOLS FOR FLUID POWER DIAGRAMS". LEFT CHAMBER HEATING 2.
  • Page 29 LEGEND V1 RIGHT TOWER HOT AIR INLET VALVE V2 LEFT TOWER HOT AIR INLET VALVE V3 RIGHT TOWER PURGE OUTLET VALVE V4 LEFT TOWER PURGE OUTLET VALVE V5 RIGHT TOWER WET AIR INLET VALVE V6 LEFT TOWER WET AIR INLET VALVE V7 RIGHT TOWER DRY AIR OUTLET VALVE V8 LEFT TOWER DRY AIR OUTLET VALVE TOWER PERSONNEL PROTECTION (STANDARD), INSULATION (OPTION)

  • Page 30: Electrical Schematic

    Electrical Schematic (Contact factory to request certified drawings) CONTROL BOARD JUMPER SETTINGS: LOW TENSION ENCLOSURE JP1 – ON – RESERVED JP2 – ON – RESERVED JP3 – ON – DEW POINT TRANSMITTER INSTALLED JP4 – ON – ENABLE LOW INLET TEMP ALARM CUSTOMER AC POWER TB5-1 JP5 –...

  • Page 31: General Arrangement - 350 Scfm

    General Arrangement - 350 scfm (Contact factory to request certified drawings)

  • Page 32: General Arrangement - 450 Scfm

    General Arrangement - 450 scfm (Contact factory to request certified drawings)

  • Page 33: General Arrangement - 600 Scfm

    General Arrangement - 600 scfm (Contact factory to request certified drawings)

  • Page 34: General Arrangement - 800 Scfm

    General Arrangement - 800 scfm (Contact factory to request certified drawings)

  • Page 35: General Arrangement - 1025 Scfm

    General Arrangement - 1025 scfm (Contact factory to request certified drawings)

  • Page 36: General Arrangement - 1300 Scfm

    General Arrangement - 1300 scfm (Contact factory to request certified drawings)

  • Page 37: General Arrangement - 1500 Scfm

    General Arrangement - 1500 scfm (Contact factory to request certified drawings)

  • Page 38: General Arrangement - 1800 Scfm

    General Arrangement - 1800 scfm (Contact factory to request certified drawings)

  • Page 39: General Arrangement - 2100 Scfm

    General Arrangement - 2100 scfm (Contact factory to request certified drawings)

  • Page 40: General Arrangement - 2400 Scfm

    General Arrangement - 2400 scfm (Contact factory to request certified drawings)

  • Page 41: General Arrangement - 3250 Scfm

    General Arrangement - 3250 scfm (Contact factory to request certified drawings)

  • Page 42: General Arrangement - 3700 Scfm

    General Arrangement - 3700 scfm (Contact factory to request certified drawings)

  • Page 43: Warranty

    WARRANTY The manufacturer warrants the product manufactured by it, when properly installed, operated, applied, and maintained in accordance with the procedures and recommendations outlined in the 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 from the manufacturer or the 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 the aforesaid warranty period.
  • Page 44 4647 S.W. 40th Avenue Ocala, Florida 34474-5788 U.S.A. P: (724) 745-1555 F: (724) 745-6040 E: hankison.americas@spx.com www.spx.com/hankison Improvements and research are continuous at SPX. Specifications may change without notice. ISSUED 03/2015 Form No.: 7429789 Revision: A COPYRIGHT ©2015 SPX Corporation...

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