Graco Therm-O-Flow 20 Instructions-Parts List Manual

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Instructions-Parts

Therm

Therm - - - O O O - - - Flow®

Therm

For

For applying

For

applying hot

applying

hot melt

hot

melt sealant

melt

only.

Not approved

approved for

for use

use in in in European

Not

approved

for

use

Important

Important Safety

Safety Instructions

Safety

Read all warnings and instructions in this manual and in related

manuals. Save these instructions.

Maximum Operating

Operating Temperature

Maximum

Operating

400°F (204

(204 °C)

°C)

400°F

(204

°C)

See page

page 6 6 6 for

for model

model information.

See

page

for

model

See

See Technical

See

Technical Specifications,

Technical

Specifications,

page

page 106,

page

106, for

106,

for maximum

for

maximum working

maximum

pressures.

Flow® 20

Flow®

sealant and

sealant

and adhesive

and

adhesive

adhesive materials

European explosive

explosive atmosphere

European

explosive

Instructions

Temperature

information.

working

PROVEN QUALITY. LEADING TECHNOLOGY.

materials from

materials

from 20

from

20 Liter

Liter (5 (5 (5 Gallon)

Liter

atmosphere locations.

locations.

atmosphere

locations.

334129D

Gallon) pails.

Gallon)

pails. For

pails.

For professional

For

professional use

professional

3143485

use

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Summary of Contents for Graco Therm-O-Flow 20

Page 1 Instructions-Parts 334129D Therm Therm Therm - - - O O O - - - Flow® Flow® 20 Flow® For applying applying applying hot hot melt melt melt sealant sealant and sealant and adhesive adhesive adhesive materials materials materials from from 20 from 20 Liter Liter (5 (5 (5 Gallon)
Page 2 Create Custom Language Strings ....102 Troubleshooting..........36 Dimensions ............103 Repair..............44 Replace Wipers ........... 44 Notes ............. 105 Replace Platen RTD ........45 Technical Specifications........106 Separate the Air Motor and Pump ....46 Remove Platen ..........48 Graco Standard Warranty........108 334129D...
Page 3 Warnings Warnings Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.
Page 4 Warnings WARNING WARNING WARNING THERMAL THERMAL THERMAL EXPANSION EXPANSION EXPANSION HAZARD HAZARD HAZARD Fluids subjected to heat in confined spaces, including hoses, can create a rapid rise in pressure due to the thermal expansion. Over-pressurization can result in equipment rupture and serious injury.
Page 5 Warnings WARNING WARNING WARNING EQUIPMENT EQUIPMENT EQUIPMENT MISUSE MISUSE MISUSE HAZARD HAZARD HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated Technical Data Data in all equipment manuals.
Page 6 Models Models Models Models The model number stamped on your systems defines the equipment in the following categories. Technical Specifications, page 106, for maximum working pressure. A A A B B B C C C D D D E E E Series Frame Size Zone Config...
Page 7 Related Manuals Related Manuals Manuals Related Related Manuals Manual Manual Manual Description Description Description Manual Manual Manual Description Description Description 306982 President® Air Motor, 334198 Therm-O-Flow Ram, Instructions- Instructions-Parts Parts 311238 NXT® Air Motor, Instructions-Parts 3A4241 Heated Hose, Instructions-Parts 3A1211 Saniforce®...
Page 8 Component Identification Component Identification Identification Component Component Identification Figure 1 TOF 20 Key: Key: Key: Key: Key: Key: Lift Strap Positions Main Power Switch Multi-Zone Low Power Temperature Control Module (MZLP) Air Motor Solenoid Light Tower Electrical Power Input Cable Track Air Motor Ram Plate Bleed Stick Heated Pump...
Page 9 Component Identification Integrated Air Air Controls Controls Integrated Integrated Controls Figure 2 Integrated Air Controls Key: Key: Key: Key: Key: Key: Blowoff Blowoff Blowoff Pressure Pressure Pressure Gauge Gauge Gauge Main Main Air Main Air Slider Slider Slider Valve Valve Valve Displays the blowoff pressure.
Page 10 Component Identification Electrical Control Control Enclosure Enclosure Electrical Electrical Control Enclosure Figure 3 Electrical Enclosure Key: Key: Key: Key: Key: Key: Multi-Zone Low Power Temperature Platen SSR (65A) Control Module (MZLP) Platen Contactor Ventilation Grill Platen Fuse Electrical Control Panel Transformer Circuit Breaker Automatic Wiring Board (AWB) Transformer Fuse...
Page 11 Component Identification Advanced Display Display Module Module (ADM) (ADM) Advanced Advanced Display Module (ADM) NOTICE NOTICE NOTICE To prevent damage to the softkey buttons, do not The ADM display shows graphical and text press buttons with sharp objects such as pens, information related to setup and spray operations.
Page 12 Component Identification Figure 5 Back View Part Number and Identification Label Module Status LEDs USB Interface Light Tower (Optional) CAN Cable Connection (Power Supply and Communication) Software Token Access Panel Table 1 1 1 ADM ADM LED LED Status Status Descriptions Descriptions Table Table...
Page 13 Component Identification Screen Components Components Screen Screen Components 1. Screen Order 2. Current date and time 3. Operating Mode 4. Faults, Status 5. MZLP Plug Identifier 6. Zone Setpoint Temperature 7. Zone Actual Temperature Description Operating Operating Operating Mode Mode Mode Description Description...
Page 14 Air and and Fluid Fluid Hoses Fluid Hoses Hoses The Therm-O-Flow requires Graco single-circuit material hoses rated at a maximum of 1250 watts. Make sure all air and fluid hoses are properly sized for the system. Heat Heat Heat Control...
Page 15 Setup Setup Setup Setup 2. If you are installing a vent hood, make sure there is sufficient horizontal clearance for it. Locate the ram near a connection to the factory ventilation 1. Unpack the ram system. 2. Locate and Install the ram 3.
Page 16 4. Ensure drum low and empty sensors (C) are mounted as shown. 1. Fill displacement pump wet cup 2/3 full with Note Graco Throat Seal Liquid (TSL™) for Butyl and PSA materials. The Drum Low and Empty Sensors are used to indicate that a drum is empty.
Page 17 Setup Install Heated Heated Hose Hose Install Install Heated Hose 5. Install cap on any unused MZLP electrical connectors. To connect a hose to a fluid control device or heated 6. Connect the small 8 pin connector from the manifold. heated hose to the fluid control device or heated manifold.
Page 18 Setup Connect Multiple Multiple Devices Devices Connect Connect Multiple Devices • Connect fluid control devices to a heated hose or the electrical enclosure. Use accessories if necessary. If your application requires multiple fluid control devices: • Setup all heat zones on Heat-A and Heat-B screens.
Page 19 Setup Connect Power Power Connect Connect Power power source wires to the appropriate terminals on the DISCONNECT switch. The electrical control panel comes already attached and wired to the ram, however before the supply unit becomes functional you must connect the electrical control panel to a power source.
Page 20 Setup Grounding Grounding Grounding follow local code. Use only metal drums placed on a grounded surface. Do not place the drum on a nonconductive surface, such as paper or cardboard, Ground the unit as instructed here and in the which interrupts the grounding continuity. component manuals.
Page 21 Setup Check Sensor Sensor Resistance Resistance Check Check Sensor Resistance Table 3 3 3 RTD RTD Sensors Sensors Table Table Sensors MZLP MZLP Plug Plug Component Component RTD RTD Range Range MZLP MZLP MZLP MZLP Plug Component Range (Ohms) (Ohms) (Ohms) Ram Plate 100 +/- 2...
Page 22 Setup Check Heater Heater Resistance Resistance Check Check Heater Resistance 2. Make electrical resistance checks for the components. 3. Replace any parts whose resistance readings do not comply with the ranges listed in tables. Note To reduce risk of injury or damage to equipment, Check resistance at ambient room conduct these electrical checks with the main temperature 63°–...
Page 23 Setup Select ADM ADM Settings Settings Select Select Settings Note Appendix A— ADM, page 92 detailed ADM information, including general operation. 1. Turn main power switch on. Note 2. When the ADM is finished starting up, press Setback temperatures must be at least to switch from the Operation screens to 20°F (10°C) lower than the setpoint the Setup screens.
Page 24 Setup 8. Set the temperature and mass units on the 9. To setup the optional Schedule function, see Advanced 2 screen. Set the specific gravity of Schedule, page the material for Material Tracking functionality. The schedule function allows the system to automatically enable and disable heating and setback at specified times.
Page 25 Setup Connect PLC Connect Connect Table 7 7 7 Output Output Error Error States States Table Table Output Error States Error Error State Error State State Bit Error Error State Error State State Bit High High High Machine is good, no errors are present A PLC can control and monitor all items Active Unit...
Page 26 Setup H2 Customer Customer Output Customer Output Output Signal Signal Signal Inputs: High: 10–30 VDC, Low: 0–5 VDC. Inputs Inputs: Inputs: function without concern for polarity. Applying “high” voltage will turn the heaters on and enable setback. Removing voltage will turn the heaters off and disable setback.
Page 27 Setup PLC Connections Connections Connections Block Block Diagrams Block Diagrams Diagrams The following block diagrams show how to connect customer inputs and outputs to the MZLP. For convenience, each system ships with connector kit 24P176. If a connector is lost or damaged, order kit 24P176 for replacements.
Page 28 Operation Operation Operation Operation 1. Turn the main power switch ON. The Graco logo will display until communication and initialization Use fluids that are chemically compatible with is complete. the equipment wetted parts. See Technical Specifications in all of the equipment manuals.
Page 29 Operation Load Material Material Load Load Material 4. Fill displacement pump wet cup 2/3 full with Graco Throat Seal Liquid (TSL™) for Butyl and PSA materials. NOTICE NOTICE NOTICE Note To prevent damage to platen wipers, do not use a pail of material that has been dented or damaged.
Page 30 Operation Heat Up Up System System Heat Heat System 7. Remove the platen bleed stick (R). To reduce the risk of bursting a hose, never pressurize a hot melt system before turning on the heat. The air will be locked from the air motor until all temperature zones are within a preset window of the temperature setpoints.
Page 31 Operation Prime Pump Pump Prime Prime Pump 5. Adjust the air motor air regulator (CK) to approximately 20 psi (138 kPa, 1.38 bar). 1. Ensure that the system has completed the heat soak cycle. The display status bar should read Active.
Page 32 Operation Prime System System Prime Prime System 7. Close the main air slider valve (CA) and release trigger lock. 8. Engage trigger lock. 1. Close the main air slider valve (CA). Figure 23 Trigger Lock Engaged 9. Press to engage material tracking. 2.
Page 33 Operation Pressure Relief Relief Procedure Procedure Pressure Pressure Relief Procedure 3. Set the ram director valve (CC) to the neutral position. Follow the Pressure Relief Procedure whenever you see this symbol. This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid, such as skin injection, splashing fluid and moving parts, follow the Pressure Relief Procedure when you stop spraying...
Page 34 Operation Shutdown Shutdown Shutdown Table 9 9 9 Schedule Schedule Screen Screen Color Color Identification Identification Table Table Schedule Screen Color Identification Description Color Color Color Description Description Green System on 1. Press to disable the heaters and pump. The screen will say “Inactive”. If using the Yellow Setback Schedule function, the heaters and pump will be...
Page 35 Operation Change Pail Pail Change Change Pail To prevent serious burns from dripping material, never reach under the heated platen after the platen is out of the pail. Follow the procedure to change the pail on a fully heated system. 3.
Page 36 Troubleshooting Troubleshooting Troubleshooting Troubleshooting Light Light Light Tower Tower (Optional) Tower (Optional) (Optional) Description Signal Signal Signal Description Description Red Light Off If green light is also off, system power may be off or system operating mode is Inactive. If green is on or flashing, there are no active errors.
Page 37 Troubleshooting Error Codes Codes Error Error Codes There are three types of errors that can occur. Errors The last digit of the error code indicates which are indicated on the display as well as by the optional system component the error applies. The “#” (pound) light tower.
Page 38 Troubleshooting Code Code Code Description Description Description Type Type Type Cause Cause Cause Solution Solution Solution A3MF Alarm AWB Clean Fan Cooling inlet Clean inlet screen. Filter screen is dirty A4 _ High Current Alarm Defective or Verify accessory is rated for 240 VAC. Unit _ Zone _ shorted to Verify heater resistance and check for shorts to...
Page 39 Troubleshooting Code Code Code Description Description Description Type Type Type Cause Cause Cause Solution Solution Solution AWB not Alarm AWB not Ensure connections between the ADM and hardware CACV present Unit responding are secure. If a tandem system, ensure AWB 2 jumper is installed at startup.
Page 40 Troubleshooting Code Code Code Description Description Description Type Type Type Cause Cause Cause Solution Solution Solution Low Temp. Unit Alarm Zone Reduce flow rate. _ Zone _ temperature Increase temperature of accessory upstream. too low Faulty accessory heater measure resistance between heater leads.
Page 41 Troubleshooting Code Code Code Description Description Description Type Type Type Cause Cause Cause Solution Solution Solution Wiring Error Alarm Incoming V6M# Correct the Wiring. Line MZLP _ power is wired incorrectly V8M# No Line Voltage Alarm Incoming line Verify transformer has the correct tap selected. MZLP _ voltage is less Verify CB-1 or FU-4, FU-5, and FU-6 are not...
Page 42 Troubleshooting Ram Troubleshooting Troubleshooting Troubleshooting Problem Problem Problem Cause Cause Cause Solution Solution Solution Ram will not raise or lower. Closed main air valve or clogged air Open air valve; clear air line. line, Not enough ram air pressure. Increase ram air pressure. Worn or damaged ram piston.
Page 43 Troubleshooting Heated Pump Pump Troubleshooting Troubleshooting Heated Heated Pump Troubleshooting See pump manual for additional pump troubleshooting information. See Related Manuals, page Problem Problem Problem Cause Cause Cause Solution Solution Solution Rapid downstroke or upstroke (pump Material not heated to proper Check and adjust temperature to cavitation).
Page 44 Repair Repair Repair Repair Replace Wipers Wipers Replace Replace Wipers 1. To replace a worn or damaged wiper raise the ram plate up out of the drum. Perform steps 1 through 7 of Change Pail, page 35 2. Separate the wiper joint, and bend back the strapping that covers the clamp (207).
Page 45 Repair Replace Platen Platen RTD Replace Replace Platen 4. Remove the front and right side pump cover. Reference Electrical Schematics, page 57 for wiring connections. 1. If the material pail has already been removed from the supply unit, go to step 2. If you need to remove the material pail, see Change Pail, page 2.
Page 46 Repair Separate the the Air Air Motor Motor and and Pump Pump Separate Separate Motor Pump 6. Turn the main power switch off. 7. Disconnect all material hoses. This procedure must be done with the unit still 8. If system includes pump shield, remove the warm.
Page 47 Repair Figure 28 334129D...
Page 48 Repair Remove Platen Platen Remove Remove Platen 10. Remove the heater band (309a, 309b) from pump. 11. Coat the inside of the heater with non silicone heat sink compound before mounting. Maximum thickness is 0.005 in. Coat only to within 3/4 in. of vertical ends.
Page 49 Repair Replace MZLP MZLP Fuse Fuse Replace Replace MZLP Fuse 1. Turn the main power switch off. 2. Open electrical enclosure door. Each MZLP module comes with the following fuses: 3. Use a proper non-conductive fuse puller tool to remove the blown fuse. Using an improper tool, such as screw drivers F4 F3 F10 F9...
Page 50 Repair Replace MZLP MZLP Replace Replace MZLP b. To replace MZLP #2 or #33, remove the jumper (162) from MZLP #2 or #3 J5 connector and reinstall it on the new MZLP J5 connector. 6. To reassemble MZLP, Set MZLP rotary switch based on location.
Page 51 Repair Replace MZLP MZLP Daughter Daughter Card Card Replace Replace MZLP Daughter Card 5. Plug new daughter card (112a) into the MZLP (112). 6. Use screws (112b) to secure daughter card to MZLP (112). 7. Connect cables to new daughter card (112a). Note 1.
Page 52 Repair Replace AWB Replace Power Power Supply Supply Replace Replace Replace Replace Power Supply 1. Turn the main power switch off. 2. Note location of each cable, then unplug all cables from the AWB (205). Note For an AWB on a secondary system, remove connector (182) and connect to new AWB.
Page 53 Repair Replace Fan Replace Replace 6. Remove screws (141), grill (137), four nuts (139), rear fan grill (138), and fan (136). 1. Turn the main power switch off. 2. Disconnect plug from power outlet or turn off circuit breaker for incoming power. 3.
Page 54 Repair Replace Transformer Transformer Replace Replace Transformer 13. Connect transformer output power harness (234) to power terminal connections. Torque to 25–27 in-lbs (2.8–3.1 N•m). Table Table Table 11 11 Transformer Transformer Transformer Output Output Output Power Power Harness Power Harness Harness Connections Connections...
Page 55 Repair Figure 34 Inside of Electrical Control Enclosure 334129D...
Page 56 Repair Update Software Software Update Update Software Software is checking which GCA modules When software is updated on the ADM the software will take the available is then automatically updated on all connected updates. GCA components. A status screen is shown while software is updating to indicate progress.
Page 57 Electrical Schematics Electrical Schematics Schematics Electrical Electrical Schematics 230V, 3 3 3 Phase/60 Phase/60 Hz 230V, 230V, Phase/60 334129D...
Page 58 Electrical Schematics 400V, 3 3 3 Phase/50 Phase/50 Hz 400V, 400V, Phase/50 334129D...
Page 59 Electrical Schematics 400–600VV, 3 3 3 Phase/60 Phase/60 Hz 400–600VV, 400–600VV, Phase/60 334129D...
Page 60 Electrical Schematics AWB and and MZLP#1 MZLP#1 MZLP#1 334129D...
Page 61 Electrical Schematics MZLP #2, #2, MZLP#3, MZLP#3, Overtemp, Overtemp, and MZLP MZLP MZLP#3, Overtemp, Pump Heaters Heaters Pump Pump Heaters 334129D...
Page 62 Electrical Schematics MZLP Zones Zones MZLP MZLP Zones 334129D...
Page 63 Notes Notes Notes Notes 334129D...
Page 64 Parts Parts Parts Parts Therm - - - O O O - - - Flow Flow 20 20 Supply Supply Unit Unit Therm Therm Flow Supply Unit 334129D...
Page 65 Parts Therm - - - O O O - - - Flow Flow 20 20 Supply Supply Unit Unit Therm Therm Flow Supply Unit Part Description Part Description Part Part Description Description Part Part Description Description - - - Frame 288543 BRACKET, hose, spring 24W870 KIT;...
Page 66 Parts Air Control Control Assembly Assembly Control Assembly Part Description Part Description Part Part Description Description Part Part Description Description 24W870 KIT, CONTROL, air, 3 113445 FITTING, elbow, street regulator; see manual 121282 FITTING, swivel, straight 334201 120375 ADAPTER, elbow, 3/4–14 121235 SOLENOID, air motor, ram nptf x 1/2–14 npsm...
Page 67 Parts Electrical Module Module Electrical Electrical Module 334129D...
Page 68 Parts 334129D...
Page 69 Parts Electrical Control Control Module Module Parts Parts Electrical Electrical Control Module Parts Part Description Part Description Ref. Ref. Part Ref. Part Description Description Ref. Ref. Ref. Part Part Description Description - - - ENCLOSURE, electrical - - - HARNESS, pump, mzlp1, tb, tof - - - BUSHING, strain relief, m40...
Page 70 Parts Part Description Part Description Ref. Ref. Ref. Part Part Description Description Ref. Ref. Part Ref. Part Description Description - - - 102040 NUT, lock, hex HARNESS, input, mzlp1, (Primary assemblies only) 110755 WASHER, plain 127771 BRIDGE, plug-in, 2pos, (Primary assemblies only) ut16 121253 KNOB, display adj., ram...
Page 71 Parts Electrical Panel Panel Electrical Electrical Panel 230V 230V 230V 400V/N 400V/N 400V/N Transformer Transformer Transformer Torque terminals to 25–27 in-lbs (2.8–3.1 N•m). Torque terminals to 13.3–16 in-lbs (1.5–1.8 N•m). Torque terminals to 4.53–6.2 in-lbs (0.5–0.7 N•m). 334129D...
Page 72 Parts 230V 230V 230V Panel Panel Panel 400V/N 400V/N 400V/N Panel Panel Panel Torque terminals to 25–27 in-lbs (2.8–3.1 N•m). Torque terminals to 13.3–16 in-lbs (1.5–1.8 N•m). Torque terminals to 4.53–6.2 in-lbs (0.5–0.7 N•m). 334129D...
Page 73 Parts Electrical Panel Panel Parts Parts Electrical Electrical Panel Parts Ref. Part Part Part Description Description Description Qty. Ref. Part Part Part Description Description Description Qty. Ref. Ref. Qty. Qty. Ref. Ref. Qty. Qty. - - - - - - PANEL, elec, tof, 11ga, HARNESS, wire, ground, zinc...
Page 74 Parts Merkur 2200, 2200, 23:1 23:1 Pump Pump Modules Modules Merkur Merkur 2200, 23:1 Pump Modules Torque to 50–60 ft-lb (68–81 n•m). Cap screws (311) must be loose while tie rods (307) are being torqued. Torque to 145–155 ft-lbs (196–210 n•m). Torque to 150 ft-lbs (203 n•m).
Page 75 Parts Merkur 2200, 2200, 23:1 23:1 Pump Pump Modules Modules Merkur Merkur 2200, 23:1 Pump Modules Description Description Ref. Part Part Description Description Ref. Part Part Description Description Ref. Ref. Part Ref. Ref. Part 24W754 MOTOR, air, 6.0in, 4.75 C31012 CLAMP strk, blue C03507...
Page 76 Parts Merkur 3400, 3400, 36:1 36:1 Pump Pump Modules Modules Merkur Merkur 3400, 36:1 Pump Modules Torque to 50–60 ft-lb (68–81 n•m). Coat inside of heater (309a, 309b) only to within 3/4 in of vertical ends, with non-silicone heat sink compound before mounting.
Page 77 Parts Merkur 3400, 3400, 36:1 36:1 Pump Pump Modules Modules Merkur Merkur 3400, 36:1 Pump Modules Ref. Part Part Description Ref. Part Part Description Ref. Ref. Part Description Description Ref. Ref. Part Description Description 24R015 MOTOR, assy, air, 7.5in 24Z093 SENSOR, RTD ,blue C31012...
Page 78 Parts NXT 6500, 6500, 70:1 70:1 Pump Pump Modules Modules 6500, 70:1 Pump Modules Torque to 50–60 ft-lb (68–81 n•m). Coat inside of heater (407a, 407b) only to within 3/4 in of vertical ends, with non-silicone heat sink compound before mounting. Torque to 145–155 ft-lbs (196–210 n•m).
Page 79 Parts NXT 6500, 6500, 70:1 70:1 Pump Pump Modules Modules 6500, 70:1 Pump Modules Description Description Ref. Part Part Description Description Ref. Part Part Description Description Ref. Ref. Part Ref. Ref. Part N65LR0 MOTOR, 6500, low-noise, C38163 WASHER, lock, ext. tooth remote - - - CONDUCTOR, ground...
Page 80 Parts Pump Shield Shield Pump Pump Shield Part Description Part Description Part Part Description Description Part Part Description Description - - - COVER, pump, bottom 184090 LABEL, warning - - - COVER, pump, back 104088 RIVET, blind - - - COVER, PUMP, front 15J075 LABEL, safety, hot surface...
Page 81 Parts President, 15:1 15:1 Pump Pump Module Module President, President, 15:1 Pump Module Torque to 20–30 ft-lb (27–41 N•m). Torque to 30–40 ft-lbs (41–54 N•m). 334129D...
Page 82 Parts Ref. Part Part Part Description Description Description Ref. Part Part Part Description Description Description Ref. Ref. Ref. Ref. 288505 PUMP, president 100020 WASHER, lock 551a 24B229 MOTOR, AIR, president 100179 NUT, hex mscr 551b - - - PUMP, hot melt mini-5 - - - JUNCTION BOX, front cover...
Page 83 Parts Heated Platens Platens Heated Heated Platens 24V742, 24V742, 24V742, Heated Heated Drum Heated Drum Platen, Drum Platen, Platen, Smooth Smooth Bottom Smooth Bottom Bottom (Code (Code (Code E E E - - - option option S) S) S) option 24V743, 24V743, 24V743, Heated...
Page 84 Parts Part Part Part Description Description Description Part Part Part Description Description Description PLATEN — see table C38163 WASHER, lock, ext. tooth below C19049 SCREW, mach, slotted, C31052 HOSE, seal, Mini - 5 rnd hd 207440 VALVE, dispenser 15C171 GASKET 24X439 HANDLE, bleed 102931 NUT, mach.
Page 85 Accessories and Kits Accessories and and Kits Kits Accessories Accessories Kits Part Part No. Part Description Description Description 243657 51:1 Heated Pressure Compensator Valve, 240V Wiper Wiper Wiper Kits Kits Kits 243697 Heated Distribution Manifold, 240V Includes (2) 3/4 npt(f) inlet check valves, Part No.
Page 86 Accessories and Kits Heated Hoses Hoses and and Fittings Fittings Heated Heated Hoses Fittings Hose Hose Hose Diameter Diameter Diameter - - - 6 6 6 - - - 8 8 8 - - - 10 - - - 12 - - - 16 - - - 20 (9/16...
Page 87 Accessories and Kits Hose Hose Diameter Hose Diameter Diameter - - - 6 6 6 - - - 8 8 8 - - - 10 - - - 12 - - - 16 - - - 20 (9/16 (9/16 (9/16 in in in - - - 18 18 JIC) JIC) JIC)
Page 88 Accessories and Kits 8 8 8 Channel Channel Upgrade Upgrade Kit, Kit, 24V755 24V755 Channel Upgrade Kit, 24V755 Use this kit to upgrade a 4 Channel system to a 8 channel system. Part Part Part Description Description Description Part Part Part Description Description...
Page 89 Accessories and Kits 8 8 8 Zone Zone Upgrade Upgrade Kit Kit Installation Installation Zone Upgrade Installation 5. Open the electrical enclosure door. Note Do not force the electrical connection. Minimal force is required to seat the connector. If resistance is felt, stop, and verify the connector orientation.
Page 90 Accessories and Kits 12 Channel Channel Upgrade Upgrade Kit, Kit, 24V756 24V756 Channel Upgrade Kit, 24V756 Use this kit to upgrade a 8 channel system to a 12 channel system. Part Description Part Description Part Part Description Description Part Part Description Description MODULE, GCA, MZLP...
Page 91 Accessories and Kits 12 Zone Zone Upgrade Upgrade Kit Kit Installation Installation Zone Upgrade Installation 5. Open the electrical enclosure door. Note Do not force the electrical connection. Minimal force is required to seat the connector. If resistance is felt, stop, and verify the connector orientation.
Page 92 Appendix A— ADM Appendix A— A— ADM Appendix Appendix A— General Operation Operation Enable, Disable Disable Heating Heating System System General General Operation Enable, Enable, Disable Heating System ADM Power Power Power To enable or disable the entire heating system, press .
Page 93 Appendix A— ADM Icons Icons Icons Screen Screen Icons Screen Icons Icons Softkey Softkey Softkey Icons Icons Icons These are frequently used icons on the screens. The following icons appear in the ADM, directly to The following descriptions explain what each icon the left or right of the soft key which activates that represents.
Page 94 Appendix A— ADM Operation Screens Screens Operation Operation Screens Color A A A and and B B B Zone Zone Status Status Color Color Zone Status Yellow Outside of advisory Home Home Home range Green/Yellow Flashing Warmup This screen shows the temperature state of the system and material usage.
Page 95 Appendix A— ADM Errors Errors Errors CAN: 24 VDC power supply voltage reading (18–28 CAN: CAN: VDC) DI: System Digital Inputs 0: Drum Empty 1: Drum Low 2: Pump Cycle Switch Up 3: Pump Cycle Switch Down DO: System Digital Outputs 0: Pump Solenoid 1: Not Used 2: Not Used...
Page 96 Appendix A— ADM Password Password Password Pump Inactive Inactive Timeout: Timeout: If no pump movement is Pump Pump Inactive Timeout: detected or either pump for (x) amount of time, all heated zones enter setback mode. After an additional If the password is not “0000”, the password must be amount of time (x), the heat will turn off.
Page 97 Appendix A— ADM Advanced 2 2 2 Advanced Advanced Disable USB USB Downloads/Uploads: Downloads/Uploads: Disables use of Disable Disable Downloads/Uploads: the USB for downloading and uploading. Disable Disable Disable USB USB Log Log Errors: Errors: Errors: When disabled, the system will not warn the user when logs are full.
Page 98 Appendix A— ADM Heat - - - A A A Heat Heat Use these screens to set target and setback temperatures for the pump, platen, and zones. Select which system needs to use the heated accessory. Zone Zone Types: Zone Types: Types: •...
Page 99 Appendix A— ADM Maintenance - - - A A A Schedule Maintenance Maintenance Schedule Schedule The system will notify the user at the set interval that Use this screen to set times that the system maintenance is required. The fields in boxes can will automatically enable and disable heating.
Page 100 ADM. around-the-clock operation. Once full, the system will When downloading from multiple ADMs, there will be overwrite the oldest data. one sub-folder in the GRACO folder for each ADM. Note The log files should be opened in a spreadsheet program.
Page 101 If the SETTINGS.TXT or DISPTEXT.TXT These logs (5-BLACKB.CSV, 6-DIAGN.CSV) are files remain in the UPLOAD folder, they will designed to provide useful information to Graco when be uploaded every time the USB drive is calling for technical assistance. inserted into the corresponding ADM. To...
Page 102 Appendix B — USB Data System Language Language File File System System Language File Modify the second column of the custom language file as needed and then follow the Upload Instructions, page 100, to install the file. The system language file name is DISPTEXT.TXT and is stored in the DOWNLOAD folder.
Page 103 Dimensions Dimensions Dimensions Dimensions Ram Mounting Mounting and and Clearance Clearance Mounting Clearance A A A B B B C C C D D D E E E F F F G G G J J J K K K L L L M M M P P P...
Page 104 Dimensions 15:1 Pump Pump 15:1 15:1 Pump A A A B B B D D D E E E K K K L L L M M M N N N P P P G G G in. in. in. (mm) (mm) (mm) in.
Page 105 Notes Notes Notes Notes 334129D...
Page 106 Technical Specifications Technical Specifications Specifications Technical Technical Specifications U.S. U.S. U.S. Metric Metric Metric Air inlet size 1/2 npsm(f) Air motor sound data See air motor instruction manual. Wetted Parts carbon steel, brass, chrome, zinc, nickel plating, stainless steel (304, 316, 440, and 17–4 PH), alloy steel, ductile iron, PTFE Merkur and NXT 1.24 in...
Page 107 Technical Specifications Voltage (as selected) 220/240 V, 3-phase, 50/60 Hz 380/400 V, 3-phase, 50/60 Hz 470/490 V, 3-phase, 50/60 Hz 575 V, 3-phase, 50/60 Hz (includes drum melt grid, pump, and a 6kVa transformer for the 230 V hoses and accessories) Standard melt grid platen with 6.4 kVa President pump...
Page 108 With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written recommendations.

Graco Therm-O-Flow 20 Instructions-Parts List Manual

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