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Installation, Operation and

Maintenance Manual

HXK SERIES 

REFRIGERATED AIR DRYERS

Models 

HX76K ~ HX601K 

This instruction manual must be read by everyone 

Who installs or works with this equipment

GDSTP-24280-MAN-0002_P2

AD-1010-011, 021, 031

Goodnal STP ST041 Site Services (Jemaco HXK Series Refrigerated Air Dryers HX76K to HX601K Installation

Q-Pulse Id VM409

Active 29/10/2013

Page 1 of 24

Summary of Contents for JEMACO HX101K

Page 1: ...X76K HX601K This instruction manual must be read by everyone Who installs or works with this equipment GDSTP 24280 MAN 0002_P2 AD 1010 011 021 031 Goodnal STP ST041 Site Services Jemaco HXK Series Refrigerated Air Dryers HX76K to HX601K Installation Q Pulse Id VM409 Active 29 10 2013 Page 1 of 24 ...

Page 2: ...n System Color Indicator Dryer Control Board DCB Electronic Drain Valve Adjustment START UP SHUTDOWN MAINTENANCE General Daily Monthly Returns to Manufacturer Electronic Drain Valve Disassembly and Servicing FIELD SERVICE GUIDE Data Table Drawings REPLACEMENT PARTS 3 3 4 4 4 5 5 5 5 6 6 6 7 7 7 7 8 9 10 11 12 12 12 12 12 12 14 16 18 21 Goodnal STP ST041 Site Services Jemaco HXK Series Refrigerated...

Page 3: ...llow these rules void the warranty or result in dryer damage or personal injury 1 Do not install or try to repair a dryer that has been damaged in shipment See Receiving and Inspection for instructions 2 Compressed air and electricity have the potential to cause personal injury or equipment damage Before doing any work in the dryer be sure the electrical supply has been locked and tagged and the i...

Page 4: ...O B Factory the manufacturer s responsibility for the shipment ceases when the carrier signs the bill of lading If goods are received short or in damaged condition notify the carrier and insist on a notation of the loss or damage across the face of the freight bill Otherwise no claim can be enforced against the carrier If concealed loss or damage is discovered notify your carrier at once and reque...

Page 5: ...rcooler and a mechanical separator Install drain valves to discharge condensate that collects in these areas If the airflow is relatively constant and will not cause short term overloading of the dryer it is recommended that the dryer be located downstream of the receiver tank If the nature of the application is such that the air demand regularly exceeds the dryer flow rating it is recommended tha...

Page 6: ...ped with automatic drain valves and internal drain hoses up to the drain connections on the dryer cabinets The user must install a discharge line from the drain connection and run it to a waste disposal collection system that meets applicable regulations Pipe or copper tubing inch or larger is recommended for condensate discharge lines Install the drain lines so that condensate can be seen as it d...

Page 7: ...nd the controls safety inter locks and associated equipment necessary for safe performance All models use the constant pressure expansion valve The constant pressure expansion valve modulates the refrigerant flow in response to changes in the refrigerant pressure The constant expansion valve is adjusted at the factory operation is fully automatic Color Indicator HX76K 151K Figure 1 Color Indicator...

Page 8: ... G G G G lG G G G G G G G G G G G G GGG mGGG G G GnG G G G G oG Figure 2 Digital Control Board G G A On off Switch B Switch Legend C Power On Light On Time Setting Mode D Compressor On Light Off Time Setting Mode E Dewpoint Temperature Indicator F Selection Button G Enter Button Drain Test Button H Drain On LightG G G G G DCB has LED type dew point indicators and electronic drain valve operation t...

Page 9: ...ithin 10 seconds of completing step 2 will cause the unit to revert back to the previous setting Operating check points Check the following on a periodic basis A Green power on light is illuminated B Dewpoint indicator is in green area C Condensate is discharging from drain Electronic Drain Valve Adjustment To minimize air losses the drain valve control time should be adjusted to open the drain po...

Page 10: ...e adequate ventilation for air cooled dryers 7 Confirm that the inlet air temperature pressure and airflow to the to the dryer meet the specified requirements see Table 4 5 8 confirm that the condensate lines from the drain valve discharge into a collection tank or an environmentally approved disposal system 9 If the refrigerant Suction Pressure Gauge is out of range refer to the Field Service Gui...

Page 11: ...nce on the electrical system Dismantling or working on any component of the compressed air system under pressure may cause equipment failure and serious personal injury Before dismantling any part of the dryer or compressed air system completely vent the internal pressure to the atmosphere If mechanical repairs must be made vent the internal pressure of the dryer to atmospheric pressure After the ...

Page 12: ... Service Guide for remedies to drain valve malfunctions See the ELECTRONIC DRAIN VALVE section for drain valve adjustment Monthly For air cooled condensers it is recommended to inspect the condenser coils monthly If necessary remove dirt or other particles with compressed air from an OSHA approved air nozzle that limits its discharge pressure to 2 1 kgf cm Returns to Manufacturer If the dryer or a...

Page 13: ...ift solenoid coil housing off solenoid core in valve body 9 Unscrew solenoid core from valve body Once the drain valve is disassembled the following maintenance can be performed 1 Inspect internal parts of valve body clean or replace as required 2 Remove debris from valve body 3 Wipe solenoid core components with a clean cloth or blow out debris with com pressed air from an OSHA approved air nozzl...

Page 14: ...ion of high concentrations may be fatal Do not smoke while working on the refrigeration system or when a refrigerant leak is suspected Burning materials may decompose refrigerants forming toxic gas or acids that may cause serious injury and property damage The refrigerant valves are adjusted at the factory with the refrigerant system operating and no airflow through the dryer While the dryer is op...

Page 15: ... ditions see Table 5 Excessive airflow Check airflow and system capacity Reduce airflow or resize and replace system Condenser fouled or clogged Clean or replace condenser Fan motor inoperative Replace fan motor High ambient temperature Ventilate area See Table 5 High pressure drop across dryer Inlet air temperature is too low Low ambient temperature Consult your local distributor Excessive airflo...

Page 16: ...nsion valve Adjust the exp valve until the indicator is in the green zone Table 1 SUCTION PRESSURE REFRIGERANT WITHOUT AIRFLOW WITH AIRFLOW R 134a HX76K 101K 2 2s0 1 bar 2 6s0 5 bar R 407C HX151K 601K 4 2s0 1 bar 4 8s0 7 bar Do not adjust refrigerant valves without factory authorization Adjustments must be made only with no airflow into the dryer CAUTION Do not introduce mineral oils into the refr...

Page 17: ...100 2 06 R 407C HX426K 13 33 230 1 50 112 2 61 R 407C HX500K 15 00 230 1 50 134 2 82 R 407C HX601K 18 02 380 420 3 50 152 3 40 R 407C a Rating conditions are 35 inlet temperature 7barg inlet pressure 100 inlet relative humidity 25 ambient temperature 50Hz b Refer to dryer data plate for refrigerant charge Table 5 DRYER OPERATING CONDITIONS MODEL NO Maximum Inlet Air Pressure Minimum Inlet Air Pres...

Page 18: ...18 Goodnal STP ST041 Site Services Jemaco HXK Series Refrigerated Air Dryers HX76K to HX601K Installation Q Pulse Id VM409 Active 29 10 2013 Page 18 of 24 ...

Page 19: ...lectric Schematic HX76K HX101KG G G Figure 3 b Electric Schematic HX151KG G G G G G Goodnal STP ST041 Site Services Jemaco HXK Series Refrigerated Air Dryers HX76K to HX601K Installation Q Pulse Id VM409 Active 29 10 2013 Page 19 of 24 ...

Page 20: ...c HX201K HX251K HX351K HX426K HX500KG G Figure 3 e Electric Schematic HX601KG G G G G G G Goodnal STP ST041 Site Services Jemaco HXK Series Refrigerated Air Dryers HX76K to HX601K Installation Q Pulse Id VM409 Active 29 10 2013 Page 20 of 24 ...

Page 21: ... h GMGy Gm Gz G G Figure 4 Flow Schematic ALL MODELS Goodnal STP ST041 Site Services Jemaco HXK Series Refrigerated Air Dryers HX76K to HX601K Installation Q Pulse Id VM409 Active 29 10 2013 Page 21 of 24 ...

Page 22: ...2 n Gh G G Figure 5 General Arrangement ALL MODELS Goodnal STP ST041 Site Services Jemaco HXK Series Refrigerated Air Dryers HX76K to HX601K Installation Q Pulse Id VM409 Active 29 10 2013 Page 22 of 24 ...

Page 23: ...C000451 C000451 HEAT EXCHANGER B001893 B001894 B001895 B001897 B001898 B001899 B001900 B001901 B000629 FAN PRESSURE SWITCH C009764 C009764 C006618 C006618 C006618 C006618 C006618 C006618 C006618 HIGH PRESSURE SWITCH C005141 C005141 C005507 C005507 C005507 C005507 C005507 C005507 C005507 ELECTRIC DRAIN VALVE ASSY C003294 C003294 C003294 ELECTRIC DRAIN VALVE C000693 C000693 C000693 C000693 C000693 C...

Page 24: ...59 www spxflowkorea com SEOUL OFFICE 601 6F C DONG WOOLIM LION S VALLEY 371 28 GASAN DONG GEUMCHEON GU SEOUL KOREA Tel 82 2 2026 3620 Fax 82 2 2026 3623 Bulletin M523E Rev C 06 09 Copyrightགྷ2008 SPX Corporation All rights reserved Goodnal STP ST041 Site Services Jemaco HXK Series Refrigerated Air Dryers HX76K to HX601K Installation Q Pulse Id VM409 Active 29 10 2013 Page 24 of 24 ...

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