Graco 312787G Manual - Free PDF Download

Page 2 - Contents

Related Manuals 2 312787G Contents Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Low Pressure Kits . . . . . . . . . . . . . . . . . . . . . . . . 3 High Pressure Kits . . . . . . . . . . . . . ....

Page 3 - Models; Low Pressure Kits

Models 312787G 3 Models Low Pressure Kits 100 psi (0.7 MPa, 7.0 bar) Maximum Air Inlet Pressure 300 psi (2.1 MPa, 21 bar) Maximum Fluid Working Pressure High Pressure Kits 100 psi (0.7 MPa, 7.0 bar) Maximum Air Inlet Pressure 3000 psi (21 MPa, 210 bar) Maximum Fluid Working Pressure Kit Part No. Ser...

Page 4 - Installation; Location

Installation 4 312787G Installation Install Color Change Control Module Location Install the color change control module (101) near the fluid station. The module is approved for use in a haz-ardous location. Also see your system installation man-ual. See F IG . 1. Mounting 1. See Dimensions, page 24...

Page 5 - Connect Module to Fluid Station Board; To Install a Second Control Module; Connect Air Supply to Control Module

Installation 312787G 5 Connect Module to Fluid Station Board 1. Remove the Fluid Station cover. 2. See F IG . 1. Connect a 5-pin electrical cable (EC) from the labeled connection por t (J11) on the fluid station control board to the color change board. Also see F IG . 2 and F IG . 5. NOTE: See Table...

Page 7 - Install Color Valve Stacks; Connect Valve Air Lines; Connect Valve Fluid Lines; Accessory Dump Valve Kit

Installation 312787G 7 Install Color Valve Stacks 1. Install the bracket (17) on the fluid station (FS) with two screws (20). See F IG . 4. 2. Install the color or catalyst valve stack (VS) to the bracket (17) with two screws (20). Connect Valve Air Lines See F IG . 1. Connect 5/32 in. (4 mm) OD air...

Page 9 - OFF

Installation 312787G 9 F IG . 5. 256172 Color Change Board Switch Settings OFF ON OFF ON S3 S4 S5 S6 J7 J11 Switch S3-S6 Positions TI13661a

Page 10 - Troubleshooting; Color Change Solenoid Valves

Troubleshooting 10 312787G Troubleshooting Color Change Solenoid Valves NOTE: Refer to the Schematic Diagrams, page 14. If the color change valves are not turning on or off correctly, it could be caused by one of the following. Color Change Board Fuse Cause Solution 1. Air regulator pressure set too...

Page 11 - Replace a Solenoid

Troubleshooting 312787G 11 Replace a Solenoid 1. Remove air supply pressure from the system. Remove the color change module cover (30). 2. Disconnect the 2 solenoid wires from the color change board (15). See F IG . 7, the Color Change Module Electrical Schematic on page 15, and the System Electrica...

Page 12 - Color Change Board Diagnostics

Troubleshooting 12 312787G Color Change Board Diagnostics See F IG . 7 and Table 4 to troubleshoot the color change board. Also see the System Electrical Schematic on pages 16 and 17. F IG . 7: 256172 Color Change Board J8, Pin 1 J9, Pin 1 J14, Pin 1 J15, Pin 1 D45 D36 D46 D37 D44 D8 D29 D41 D35 D31...

Page 13 - Replace the Color Change Board

Troubleshooting 312787G 13 Replace the Color Change Board 1. Remove electrical power from the system. Remove the color change module cover (30). 2. See F IG . 7 on page 12. Note where each cable is connected, then disconnect all cables from the color change board connectors (J7, J8, J9, J10, J11, J1...

Page 14 - Schematic Diagrams; System Pneumatic Diagram

Schematic Diagrams 14 312787G Schematic Diagrams System Pneumatic Diagram 3/8 AIR FILTER MANUAL DRAIN 5 MICRON WALL MOUNT ONLY FL USH AIR TO FL UID INLE T 1/4 TUBE TO M ANIFOLD 1/4 TUBE 4-WAY SOLENOID 12 VDC PURGE A VALVE DUMP A VALVE (OPTIONAL) 4-WAY SOLENOID 12 VDC 3-WAY SOLENOID 12 VDC 3-WAY SOLE...

Page 15 - Color Change Module Electrical Schematic; WIRING DIAGRAM

Schematic Diagrams 312787G 15 Color Change Module Electrical Schematic WIRING DIAGRAM COM +12VDC COM +12VDC COM +12VDC COM +12VDC COM +12VDC COM +12VDC COM +12VDC COM +12VDC COM +12VDC J8 J15 J14 J9 J16 J10 COLOR 8 (21) COLOR 7 (20) COLOR 6 (19) COLOR 5 (18) COLOR 4 (17) COLOR 3 (16) COLOR 2 (15) CO...

Page 16 - System Electrical Schematic

Schematic Diagrams 16 312787G System Electrical Schematic Non-Hazardous Area BARRIER BOARD OPERATOR INTERFACE 1 2 L1 N 85-250 VAC GND N L1 85-250 VAC 1 2 3 J5 +12VDC I/S (RED) COM (BLACK) SHIELD 1 2 3 J4 +24VDC OPEN COMMON DISPLAY BOARD NON-HAZARDOUS AREA 1 2 3 4 J9 + - FO IN (BLK) FO OUT (BLU) 1 2 ...

Page 17 - Hazardous Area

Schematic Diagrams 312787G 17 System Electrical Schematic Hazardous Area HAZARDOUS AREA +12VDC I/S COM SHIELD J10 1 2 3 1 2 3 4 5 6 J3 PWR (RED) COM (BLACK) SIG (WHITE) SHIELD/GRN PWR (RED) COM (BLACK) SIG (WHITE) SHIELD/GRN PWR (RED) COM (BLACK) SIG (WHITE) SHIELD/GRN FLUID PANEL CONTROL BOARD FLUI...

Page 18 - Parts; Low Pressure Color Change Kits

Parts 18 312787G Parts Low Pressure Color Change Kits High Pressure Color Change Kits Kit Part No. Series Kit Description Control Module (101; see page 20) Color Valve Stack (102; see 312783) Catalyst Valve Stack (103; see 312783) 256581 A 2 color 277752 15V812 none 256582 4 color 277753 15V813 none...

Page 19 - Color Change Kits Parts

Parts 312787G 19 Color Change Kits Parts TI12828b 101 102 103 TI12829a 17 20 20 11 13 11 19 30 Screw Location (item 32)

Page 20 - Color Change Control Modules; Control Module Part Quantities

Parts 20 312787G Color Change Control Modules (Ref. No. 101; see page 18) Control Module Part Quantities * Quantities for ref. nos. 11 and 13 are in feet (meters). ‡ These modules include two dump valve kits (10). Ref. No. Part No. Description Qty 1 277752 MODULE, control, color change; see page 22 ...

Page 24 - Dimensions

Dimensions 24 312787G Dimensions TI12824a TI12825b 16.57 in. (420.9 mm) 15.07 in. (382.8 mm) 4.52 in. (114.8 mm) 5.31 in. (134.9 mm) 8.71 in. (221.2 mm)

Page 25 - Technical Data

Technical Data 312787G 25 Technical Data Air Specifications Maximum Air Input Pressure . . . . . . . . . . . . . . . . . . . 100 psi (0.7 MPa, 7.0 bar)Minimum Air Input Pressure. . . . . . . . . . . . . . . . . . . . 75 psi (0.52 MPa, 5.2 bar) Fluid Specifications Maximum Fluid Working Pressure . . ...

Page 26 - Graco Standard Warranty

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. Original instructions. This manual contains English. MM 312787 Graco Headquarters: Minneapolis Int...