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I N S T R U CT I O N M A N UA L
HG Series
Refrigerated Type Compressed Air Dryers
Models: HG25, HG35, HG50
F O R M N O . : 8 6 1 0 . 4 8 3 . 7
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.
R E V I S I O N : 1 0 / 2 0 1 5
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Summary of Contents for Deltech SPX FLOW HG Series
- Page 1 I N S T R U CT I O N M A N UA L HG Series Refrigerated Type Compressed Air Dryers Models: HG25, HG35, HG50 F O R M N O . : 8 6 1 0 . 4 8 3 . 7 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 2: Table Of Contents
Contents GENERAL SAFETY INFORMATION ........2 RECEIVING, MOVING, AND UNPACKING ......2 INSTALLATION ..............3 INSTRUMENTATION ............4 DRAIN VALVES ..............4 START-UP/OPERATION ............4 SHUTDOWN ..............4 MAINTENANCE ..............5 FIELD SERVICE GUIDE ............6 ENGINEERING DATA ............7 ELECTRICAL SCHEMATICS .......... -
Page 3: Installation
INSTALLATION System Arrangement Liquid water in the inlet air will adversely affect the performance Ambient Air Temperature of the dryer. Install the dryer downstream of an aftercooler or separator so that the temperature of the dryer inlet air does not Locate the dryer indoors where the ambient air temperature will exceed 120°F and the inlet air does not contain any liquid water. -
Page 4: Instrumentation
INSTRUMENTATION START-UP/OPERATION ON/OFF Switch Follow the procedure below to start your dryer. Failure to follow the prescribed start-up procedure will invalidate the warranty. If The dryer is equipped with an ON/OFF switch on the front panel. problems arise during start-up, call your distributor. A light signals when the dryer is on. -
Page 5: Maintenance
MAINTENANCE Once the drain valve is disassembled, the following maintenance can be performed. Inspect internal parts of valve body; clean or replace as The dryers require little maintenance for satisfactory opera- required. tion. Good dryer performance can be expected if the following routine maintenance steps are taken. -
Page 6: Field Service Guide
FIELD SERVICE GUIDE Problems most frequently encountered with refrigerated dry- ers are water downstream of the dryer and excessive pressure drop. Most causes can be identified and remedied by following this guide. Closed refrigeration systems are potentially dangerous. Work on the refrigeration system must be done only by a competent refrigeration mechanic. -
Page 7: Engineering Data
ENGINEERING DATA MODEL HG25 HG35 HG50 SPECIFICATIONS Rated Capacity a - (scfm) Inlet /Outlet Connections - (inches) Dimensions Height - (inches) 22.2 22.2 22.2 Length - (inches) 15.5 15.5 19.7 Width - (inches) 14.5 14.5 19.7 Power Supply - (V/Ph/Hz) 115/1/60 115/1/60 115/1/60... -
Page 8: Electrical Schematics
ELECTRICAL SCHEMATICS ON/OFF SWITCH WITH RUNNING LAMP PTC STARTER COMP. DRAIN SOL. VALVE TIMER OVERLOAD PROTECTOR Figure 1 25-50 scfm models... -
Page 9: Air And Refrigerant Flow Schematics
AIR AND REFRIGERANT FLOW SCHEMATICS HEAT EXCHANGER EVAPORATOR REHEATER AIR INLET AIR OUTLET AUX. CONDENSER CHILLER ELECTRONIC C.I. DRAIN VALVE COLOR INDICATOR DRAIN OUTLET LIQUID RECEIVER FILTER DRYER CONSTANT PRESSURE EXPANSION VALVE REF. COMPRESSOR CONDENSER Figure 2 25-50 scfm models... -
Page 10: Replacement Parts
3245021 3245021 3245021 Constant Press. Expansion Valve 3161268 3161268 3161268 Liquid Receiver/Filter Dryer 1283369 1283369 1283369 Electronic Drain Valve 3149293 3149293 3149293 Color Indicator 7426023 7426023 7426023 Maintenance Kits RDJMK2 RDJMK2 RDJMK2 Phone: 724-745-8647 FAX: 724-745-4967 Email: deltech.americas.am@spxflow.com Web: www.spxflow.com/deltech... -
Page 11: Warranty
WARRANTY The manufacturer warrants the product manufactured by it, when properly installed, operated, applied, and maintained in accordance with proce- dures and recommendations outlined in manufacturer’s instruction manuals, to be free from defects in material or workmanship for a period as specified below, provided such defect is discovered and brought to the manufacturer’s attention within the aforesaid warranty period. - Page 12 SPX FLOW, INC. 4647 S.W. 40th Avenue Ocala, Florida 34474-5788 U.S.A. P: (724) 745-8647 F: (724) 745-4967 E: deltech.americas@spxflow.com www. spxflow.com/deltech Improvements and research are continuous at SPX FLOW, Inc. Specifications may change without notice. ISSUED 10/2015 Form No.: 8610.483.7 Revision: A COPYRIGHT ©2015 SPX FLOW, Inc.
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