Table of Contents
Advertisement
Quick Links
INSTRUCTION MANUAL
RHC SERIES COMPRESSED AIR DRYERS
MODELS: RHC02000, RHC02250, RHC02500, RHC03000, RHC03500, RHC04000,
RHC04500, RHC05000, RHC06000, RHC07000, RHC08000, RHC08500,
Contents
GENERAL SAFETY INFORMATION ...................................
RECEIVING, STORING, MOVING, UNPACKING .................
1.0 DESCRIPTION ..............................................................
2.0 INSTALLATION .............................................................
2.1 Location ..................................................................
2.2 Position in the compressed air system ...................
2.3 Mounting .................................................................
2.4 Piping ......................................................................
2.5 Electrical .................................................................
2.6 Air-Cooled Models ..................................................
7 1/2 and 10 horsepower units only .......................
3.0 OPERATION ..................................................................
3.1 Start-up and Shut down Procedures ......................
3.2 Operational Sequence ............................................
3.3 Fault Conditions ...................................................... 10
3.4 Lights and Gauges ................................................. 10
3.5 Operational Check Points ....................................... 10
4.0 MAINTENANCE ............................................................ 11
4.1 Separator/Filter Sleeve Replacement ..................... 11
4.2 Air-Cooled Condenser - Special Instructions ......... 12
Cooling Water Requirements ................................. 15
4.5 Condensate Drains - Electrically Operated ............ 17
TROUBLE SHOOTING ......................................................... 18
WARRANTY ......................................................................... 20
RHC10000, RHC12000, RHC15000, RHC20000
SERVICE DEPARTMENT: (724) 746-1100
2
2
3
4
4
4
4
4
4
5
5
6
6
8
7610.719.11
Rev.B
3/06
18-2-630
2nd Edition
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Gardner Denver RHC Series
Summary of Contents for Gardner Denver RHC Series
-
Page 1: Table Of Contents
7610.719.11 Rev.B 3/06 INSTRUCTION MANUAL 18-2-630 2nd Edition RHC SERIES COMPRESSED AIR DRYERS MODELS: RHC02000, RHC02250, RHC02500, RHC03000, RHC03500, RHC04000, RHC04500, RHC05000, RHC06000, RHC07000, RHC08000, RHC08500, RHC10000, RHC12000, RHC15000, RHC20000 Contents GENERAL SAFETY INFORMATION ........RECEIVING, STORING, MOVING, UNPACKING .... -
Page 2: General Safety Information
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 servicing. •... -
Page 3: Description
1.0 DESCRIPTION B. Operation Compressed air, saturated with water vapor, enters the dryer and is precooled by the outgoinq refriger- A. Function ated air in an air-to-air heat exchanger. Precooling Refrigerated type compressed air dryers reduce the removes some of the heat load from the incoming moisture content in compressed air by lowering the air allowing the use of a more efficient refrigeration air temperature causing water vapor to condense... -
Page 4: Installation
2.0 Installation B. Holes are provided in the dryer base to permanently mount it to a level solid floor. Ensure the dryer is level 2.1 Location by grouting, if necessary. The structural steel base is of an open design to facilitate cleaning and washing A. -
Page 5: Air-Cooled Models
Air-Cooled Models with Integral Condenser (Optional) Air Inlet Cooling Water Cooling Water Air Outlet Inlet Outlet Control Panel Condensate Electrical Drain Enclosure Connection SIDE VIEW FRONT VIEW B. Connect power to proper terminals. CAUTION: Interconnecting refrigerant lines must be adequately sized and designed to ensure proper oil C. -
Page 6: Operation
3.0 Operation 1. After dryer has been energized at least twenty-four (24) hours pull Master switch to on position. Dryer will 3.1 Start-up and Shut down Procedures automatically pump down. Allow dryer to cycle until display on Operator Interface indicates Stand-by. A. - Page 7 E. Start-Up Procedure - (Master switch on; dryer in Stand- by mode.) 2. Allow at least 15 minutes of dryer operation before flowing compressed air through dryer. CAUTION: POWER TO THE DRYER MUST BE ENERGIZED (POWER ON LIGHT ILLUMINATED) TWENTY-FOUR (24) 3.
-
Page 8: Operational Sequence
Operator Interface Display Condition Display Message Dryer energized; Master Switch Off DRYER ENERGIZED Dryer energized; Master Switch On CONTROL CIRCUIT ON - Dryer will automatically pump down ("DRYER PUMPING DOWN" indicated) followed by "STAND-BY" Status Stand-by Selected Dryer will pump down if suction pressure is high (indicated by "DRYER PUMPING DOWN") followed by "STAND-BY"... - Page 9 Typical Wiring Schematic...
-
Page 10: Fault Conditions
3.3 Fault Conditions 4. INLET AIR TEMP: Optional - Indicates inlet air tempera- ture is greater than 120°F, 49°C. A. Faults; Compressor Protection 5. LOW EVAP AIR TEMP: Optional - Indicates air tempera- 1. Manual Reset ture in evaporator is below the set point. a. -
Page 11: Maintenance
4.0 Maintenance c. Reinstall grooved pipe coupling or hand hole cover after inspecting gasket to ensure its integrity. 4.1 Separator/Filter Sleeve Replacement d. Reinstall insulation cap. A. When to replace Filter Sleeves At rated flow conditions, when removing liquids, pressure drop will normally be 1 psi (0.07 bar) or less across the separator or 5 psi (0.35 bar) or less across GROOVED PIPE COUPLING the entire dryer. -
Page 12: Air-Cooled Condenser - Special Instructions
4.2 Air-Cooled Refrigerant Condensers - Special 4.3 Water-Cooled Refrigerant Condenser - Special Instructions Instructions (Cleanable shell and tube type) A. The coil of the condensing section must be kept clean A. Water tubes should normally be mechanically cleaned to maintain refrigeration capacity. Monthly, or as periodically to assure optimum condenser efficiency. - Page 13 h. Partly closed compressor discharge valve: Check to c. Algae or slime can usually be controlled by means see that it is fully open. of an intermittent or batch treatment to shock the organisms. Chemicals used for this treatment are 2.
- Page 14 When using a cleaning tool, keep the inside of the (3) Close the condenser water shut-off valves tube wet, and move the tool slowly from one end adjacent to the unit. to the other while rotating it at a moderate speed. A hand drill brace is recommended.
-
Page 15: Cooling Water Requirements
Cooling Water Requirements 38 ° F P.D.P 50 ° F P.D.P Max. Refrig. Cooling Cooling Max. Refrig. Cooling Cooling Capacity Water Flow Water Capacity Water Flow Water Rate @ 85 ° F Rate @ 85 ° F Nominal Water Valve (BTU/HR) Pressure (BTU/HR) -
Page 16: Condensate Drains - Pneumatically Operated
B. Disassemble and service at least once a year. NOTE: 4.4 Condensate Drains - Pneumatically Operated Before starting the servicing procedure, make sure you have a repair parts kit on hand. A. Monthly- Flush out accumulated sludge and dirt by opening manual drain valves. -
Page 17: Condensate Drains - Electrically Operated
m. Place seal ring retainer (24) into bottom shell 4.5 Condensate drains - Electrically Operated assembly (26) making sure that end of float arm assembly with counterweight (20) is positioned in A. Monthly - Flush out accumulated sludge and dirt by open area of seal ring retainer. -
Page 18: Trouble Shooting
TROUBLE SHOOTING GUIDE SYMPTOM / FAULT POSSIBLE CAUSES CORRECTIVE ACTION Compressor stopped because 1. Faulty high pressure transducer Check pressure reading. 2. Refrigerant overcharge Reclaim excess refrigerant. of high head pressure 3. Air in refrigeration system Check for leaks and recharge unit. Properly dispose of old refrigerant. - Page 19 TROUBLE SHOOTING GUIDE SYMPTOM / FAULT POSSIBLE CAUSES CORRECTIVE ACTION 1. Water-cooled units - Excessive water flow Adjust water regulating valve. Low refrigerant head through condenser pressure 2. Suction shutoff valve partially closed Open valve. 3. Leaky compressor suction valves Examine valve discs and valve seats;...
-
Page 20: Warranty
AUTHORIZATION FROM THE SERVICE DEPARTMENT IS NECESSARY BEFORE MATERIAL IS RETURNED TO THE FACTORY OR IN-WARRANTY REPAIRS ARE MADE. For additional information contact your local representative or Gardner Denver Compressor and Pump Division, 1800 Gardner Expressway, Quincy, Illinois 62301 Customer Service Department Telephone: (800) 682-9868 FAX: (217) 228-8243 Sales and Service in all major cities.
Need help?
Do you have a question about the RHC Series and is the answer not in the manual?
Questions and answers