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Summary of Contents for ASTRO LS10 Series
- Page 1 (800-401-1441 LS10 and LS20 Series Hot Melt Units Manual Number: 19600-121 Revision: E (800-401-1441...
- Page 2 (800-401-1441...
- Page 3 LS10 and LS20 Series Hot Melt Units Manual Number: 19600-121 Revision: D Date: 02/17/10 (800-401-1441 Copyright 2010 Astro Packaging...
- Page 4 (800-401-1441 Copyright 2010 Astro Packaging...
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Page 5: Table Of Contents
4.3.9 External Control of Pump Motor for Automatic Systems ............13 5 Operation............................... 14 5.1 Controls and Indicators........................ 14 [1] System Power Switch/Circuit-Breaker and Indicator Light............14 [2] Overtemperature Indicator Light....................14 [3] Tank Thermometer........................14 © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... - Page 6 Table 3. RTD Sensor Resistance......................40 Table 4. Potentiometer/Variable Resistor..................40 Table 5. Valve Coil Resistance......................40 Table 6. Heater Resistance for Common Applicators ..............41 Table 7. Heater Resistance for Common Hoses (in Ohms)............. 42 Copyright 2010 Astro Packaging LS10 and LS20 19600-121...
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Page 7: Safety Precautions For Hot Melt Applicator Equipment
Trained operators may perform only external equipment adjustments. Trained service technicians must perform internal Wear Protective Clothing adjustments and service. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 8: Electrical Safety
WARNING: Indicates a hazard, which, if not avoided, can result in serious injury, or equipment and property damage. CAUTION: Indicates a hazard, which, if not avoided, can result in minor injury, or equipment and property damage. Copyright 2010 Astro Packaging LS10 and LS20 19600-121... - Page 9 Actual Temp Source Power Valve Group Input Manual Task Output The manufacturer reserves the right to make design changes for product improvement. This manual may not reflect all details of these improvements. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121...
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Page 10: Introduction
2 Introduction 2.1 Description The Astro Packaging LS Series Hot Melt Unit is a light to medium duty machine used for melting and pumping a variety of hot melt materials. The melt unit consists of a heated melt tank and a motor- driven, positive displacement gear pump. -
Page 11: Features
• AC power cords are supplied with 100 VAC and 115 VAC units only. • A “Little Squirt” is a 10-pound one or two hose manual handgun configuration of the LS Series. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 12: Specifications
Temperature Range---------------- 38 °C – 232 °C (100 °F – 450 °F) 3.4 Environmental Ambient Air Temperature -------- 5–40 °C (41–104 °F) Altitude------------------------------ Sea level up to 2 km (1.24 miles) Humidity ---------------------------- 30–95 R.H. (%) Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 13: Motor Speed, Adhesive Pressure, And Flow Rate
LS10 Hot Melt Unit 698.5 mm (27.5 in.) 269.7 mm (10.62 in.) 6.3 mm (0.25 in.) dia. 355.6 mm 14 in.) 342.9 mm 13.5 in.) 317.5 mm (12.5 in.) LS20 Hot Melt Unit © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 14: Installation
Section 3.6 to prevent accidental upset and possible injury. Tighten all screws before startup and after melt unit experiences excessive vibration. Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 15: Component Installation
Refer to electrical schematic, located in manual binder or back of melt unit, for appropriate wire connections to the melt unit. Refer to individual component product manual for complete installation and service information. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 16: Electrical Circuits And Wiring
4.3.3 Electrical Connections Standard 230 VAC Single Phase, 2 Wire Ground 115 VAC Single Phase Neutral Ground 100 VAC Single Phase Neutral Ground 200 VAC Single Phase, 2 Wire Ground 0960358a Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 17: Power-In Wiring
Automatic applicators are specified by solenoid voltage and valve type. Valves must match the VAC or VDC firing voltage. Multiple valve applicators may have more than one firing circuit within a single applicator. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 18: Vac Valve Firing Voltage
A manually operated foot switch allows operator to control adhesive deposition through automatic applicators while keeping hands free. The foot switch assembly may be factory installed or added later. See Section 9.7: Accessories. Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 19: External Control Of Pump Motor For Automatic Systems
1. Using melt unit electrical schematic, locate parent machine interface jumper. 2. Remove parent machine interface jumper. Wire contacts from external device to the melt unit main terminal block where the parent machine interface jumper was located. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 20: Operation
A circuit breaker in the pump motor circuit protects motor during a stall or overload condition. [6] Pump Warm-Up Thermostat (Not Shown) This close-on-rise thermostat prevents the motor from running before system reaches operating temperature. Copyright 2010 Astro Packaging LS10 and LS20 19600-121... - Page 21 APPLICATOR POWER HEATING OVERTEMP PUMP TANK TEMPERATURE © Copyright 2010 Astro Packaging LS10 and LS20 19600-121...
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Page 22: Start-Up
Set the tank temperature as low as possible for each application. Certain materials degrade over time due to oxidation. To prevent stalling the motor, adjust flow control valve to minimum flow requirement. LS10 and LS20 19600-121 Copyright 2010 Astro Packaging... -
Page 23: Adjustments
To lower hose temperature, turn knob [2] counterclockwise to desired temperature. Refer to Temperature Check in Maintenance section of the Astro Packaging Heated Hose Manual. Tank Temperature Controller To prevent hot melt degradation, set melt tank temperature to the minimum temperature specified by the hot melt manufacturer. -
Page 24: Flow Adjustments
To decrease pressure, turn hex wrench counterclockwise. To achieve minimum pressure and lowest flow rate, turn hex wrench fully counterclockwise. 5. Gradually turn hex wrench clockwise until desired pressure and flow rate is reached. Increase Decrease wrench Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 25: Maintenance
CAUTION: To avoid arcing of electrical contacts and possible failure of components, do not connect electrical connectors when the hose power switch is on. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 26: Preventive Maintenance
*** Verify system is not operating in overtemperature mode by observing Overtemperature Indicator Light. Determine tank temperature and adjust as explained in Tank Temperature Controller section. Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 27: Troubleshooting
Inadequate heat can affect performance. 2. Verify hose electrical connector is properly connected. 3. Check supply voltage to hose controller with volt meter. 4. If problem persists, refer to Hose Controller Replacement. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... - Page 28 5. Hot melt formulations tend to be a factor in previously listed problems. Refer to Start-up for cautions. • If troubleshooting attempts fail, please contact your distributor. Copyright 2010 Astro Packaging LS10 and LS20 19600-121...
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Page 29: Repair And Replacement
Do not turn melt unit upside down. Remove screws from hose mounting block [1]. Loosen hose JIC fitting [5] and remove hose from the fitting [4] on the flow control block [3]. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... - Page 30 Fasten hose support block [1] to chassis. Tighten JIC swivel fitting [5]. Attach hose electrical connector [2]. Tuck electrical connector under melt unit. Position and support hose before using. After heating, tighten JIC swivel fitting [5]. Copyright 2010 Astro Packaging LS10 and LS20 19600-121...
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Page 31: Hose Controller Replacement
Coil capillary tube so it hangs in a suitable position under chassis. 11. Reconnect hose to JIC as specified in Section 4.2: Component Installation. 12. Reconnect melt unit power, turn on power switch, and adjust controller as specified in Section 5.3.1. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 32: Tank Heater Replacement
8. Route heater lead wires through electrical panel, and reconnect heater wires in original locations. See electrical schematic included with melt unit. Replace tank access panel. 10. Close and fasten control panel. Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 33: Tank Controller Replacement
Reconnect wires. 8. Replace tank access plate. WARNING: Failure to replace the access plate will result in an electrical hazard and possible heat damage to electrical components. Close front control panel. (800-401-1441 © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 34: Hose Manifold Filter Block Replacement Or Cleaning
DC 5, replace o-rings [2]. 10. Switch on system power, and allow melt unit to reach operating temperature. 11. Reconnect hose as specified in Hose Replacement. C opyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 35: Pump Filter Installation, Servicing, And Replacement
8. Insert spring retainer [4] and spring [3] into clean filter [5]. Place clean filter assembly into manifold filter block [6]. Inspect o-ring [2], and replace if damaged. 10. Install plug [1] with o-ring [2] securely into hose manifold filter block [6]. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 36: Pump Motor And Pump Shaft Assembly Replacement
17. Tighten screws [4] in a crisscross pattern while motor is operating to align pump shaft. 18. If replacing complete motor group, also replace pump motor switch on front panel and motor capacitor inside electrical enclosure. Copyright 2010 Astro Packaging LS10 and LS20 19600-121... - Page 37 11, 12 © Copyright 2010 Astro Packaging LS10 and LS20 19600-121...
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Page 38: Parts List
Lamp, round amber (tank heating indicator) 12030-10 Circuit breaker/switch, pump motor, 1 A (100/115 VAC unit) 12055-1 Circuit breaker/switch, pump motor, 0.5 A (200/230 VAC unit) 12055-3 APPLICATOR POWER HEATING OVERTEMP PUMP TANK TEMPERATURE 3, 4 Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 39: Electrical Enclosure And Chassis Base
Hose controller, kit 38–93 °C (100–200 °F) 79125-1 Hose controller, kit 93–149 °C (200–300 °F) 79125-2 Hose controller, kit 149–204 °C (300–400 °F) 79125-3 Hose controller, kit 177–232 °C (350–450 °F) 79125-4 © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 40: Motor Group And Pump Shaft Assembly
Retainer seal for pump shaft 70028-1 Kit, gearbox repair, 44/36 rpm motor 79295-01 Wire nuts (medium low temperature) 12277-2 * Motor group includes Motor Assembly, Capacitor, Pump “ON/OFF” breaker, and hardware. Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 41: Pump Warm-Up And Tank Overtemperature Thermostats
232.22 °C (450 °F) 79126-450 LS20 Overtemperature Thermostat Kit 65.56 °C (150 °F) 79127-150 93.33 °C (200 °F) 79127-200 148.89 °C (300 °F) 79127-300 204.44 °C (400 °F) 79127-400 232.22 °C (450 °F) 79127-450 © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 42: V1 Pump, Flow Control Valve, And Hose Manifold Filter
14431-GDV Screw, socket head cap 1/4-20 x 4.25 in. (for V1-675 14431-GDY Hose manifold filter block 70122 O-ring, viton, 0.86 in. ID x 0.070 in. for hose manifold filter block 10420 Copyright 2010 Astro Packaging LS10 and LS20 19600-121... - Page 43 © Copyright 2010 Astro Packaging LS10 and LS20 19600-121...
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Page 44: Accessories
Tension Balancer, Hose, 5 Lb RF-8 Hose Boom & Balancer Assembly 99786 Power Cord Assembly, 115 VAC 73712-12 Kit, Hose Mole (use for in place cleaning of hoses) 79281-01 Kit, Tank Thermometer 79014 Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 45: Appendix A: Component Resistance Tables
8–10 73207-04 73278-97 200–230 73012-20 73278-70 200–230 8–10 73012-82 73278-71 200–230 LS/KS10e & 20e 73789-05 79301-01/-03 200–230 45–50 KB10e & 20e 73794-07 79301-02/-04 200–230 60–65 Model 115C 73789-05 79301-01/-03 200–230 45–50 © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 46: Table 3. Rtd Sensor Resistance
Same RTD sensor is used in tank, hose and applicator. Table 5. Valve Coil Resistance E100XT Style Coil E900 Style Coil Voltage Ohms Voltage Ohms 39–42 64–75 45–48 77–89 156–157 239–281 172–201 285–335 Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 47: Table 6. Heater Resistance For Common Applicators
E902 182–211 E904 182–211 M101 182–211 M102 91–106 M104 91–106 Manual Applicators L4/SW4 664–720 247–314 L4/SW4 170–190 *For applicators with more than 1 heater, resistance shown is for heaters in parallel. © Copyright 2010 Astro Packaging LS10 and LS20 19600-121... -
Page 48: Table 7. Heater Resistance For Common Hoses (In Ohms)
145–152 L4 Hose, RTD Sensor 21285 (115VAC) 75–79 45–52 37–39 21287 (230VAC) 298–315 199–209 149–157 SW4 Hose, RTD Sensor 21261 (115 VAC) 75–79 49–52 37–39 21263 (230 VAC) 298–314 199–209 149–157 Copyright 2010 Astro Packaging LS10 and LS20 19600-121... - Page 49 B. The sole liability of Astro Packaging and exclusive remedy extended to any Astro Packaging customer shall be limited to replacing or repairing, at the option of Astro Packaging, any product returned under the terms of this warranty.
- Page 50 Product Part Number______________________________ Order No._____________ Date Received____________ Start-Up Date____________ Invoice No.____________ Product Model/Description__________________________ Serial No._____________ Product Part Number______________________________ Order No._____________ Date Received_____________ Start-Up Date___________ Invoice No.____________ Astro Packaging 3845 E. Miraloma Ave, Suite A, Anaheim, CA 92806 1-800-642-7876 phone 714-572-1943 fax 2 of 2...
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