Graco 3A2954D- User Manual

Page 2 - Contents; Models

Models 2 3A2954D Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Typical Installation Drawing . . . . . ...

Page 3 - Warnings; WARNING

Warnings 3A2954D 3 Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. Whenthese symbols appear in the body of this manual...

Page 5 - Installation; Typical Installation Drawing

Installation 3A2954D 5 Installation Typical Installation Drawing The typical installation drawing is only a guide. Your Graco distributor can assist in designing your system. F IG . 1: Typical Installation – Heated Circulating System Key: A Bleed-type Master Air Valve B Air Filter C Air Regulator an...

Page 6 - Component Identification

Component Identification 6 3A2954D Component Identification Key: A1 Fluid InletA2 Fluid OutletA3 Heater ON Indicator LightA4 Temperature Control Knob (24P016 Only)A5 Temperature Gauge (24P016 Only)A6 Optional External RTD Feedback Port (262853 Only)A7 Optional Inlet Ports (front and bottom)A8 Option...

Page 7 - General Information

Component Identification 3A2954D 7 General Information Selecting Tubing Fluid loses some heat through the tubing or hosebetween the heater and spray gun. Locate heater closeto the spray area to minimize heat loss through plumb-ing. The chart in F IG . 2 shows a heat loss curve for 3 com- mon types o...

Page 8 - Mounting Heater; Wall Mounting; Cart Mounting

Component Identification 8 3A2954D Mounting Heater NOTE: The Viscon HF heaters will mount anywhere a Viscon HP heater was previously mounted. See thedimensions listed for accessory bracket 192585 onpage 26 and the heater dimensions shown on page 29. NOTE: Heater controls must be easily accessible. N...

Page 10 - Electrical Connections; Requirements For All Installations; RTD Temperature Connection; Grounding

Component Identification 10 3A2954D Electrical Connections Requirements For All Installations • The power supply must not exceed heater voltageand amperage. See Models , page 2. • Conductors used for supply connection must besuitable for at least 221°F (105°C). An intermediateType “e” junction may b...

Page 11 - Operation; Pressure Relief Procedure

Operation 3A2954D 11 Operation Pressure Relief Procedure Follow the Pressure Relief Procedure wheneveryou see this symbol. Follow Pressure Relief Procedure when you stop spraying, and before cleaning, checking, or servicingequipment. 1. Engage the gun trigger lock. 2. Shut off main power to the heat...

Page 12 - Setting Heater Control; Adjusting for Spraying

Operation 12 3A2954D Setting Heater Control (Refer to F IG . 6) This procedure applies to model 24P016 only. Heater262853 with RTD control has no adjustments to makeon the heater, it requires use of an external temperaturecontroller. 1. Set the heater control knob (33) to a trial setpoint of4 or 5. ...

Page 13 - Maintenance; Flushing

Maintenance 3A2954D 13 Maintenance Flushing Clogged fluid passages reduce heating efficiency, flowrate, and pressure. Flush or clean whenever a change inheating efficiency, flow rate, or pressure is noticed. 1. Follow Pressure Relief Procedure , page 11. 2. Ensure main power is off and heater is coo...

Page 14 - Troubleshooting

Troubleshooting 14 3A2954D Troubleshooting Problem Cause Solution Heater will not heat. No current. Check circuit and fuses. Overtemperature switch (10) tripped. • Check continuity of overtemperature switch. Ifcircuit is open, press red resetswitch and re-check.Determine why switch openedbefore rest...

Page 16 - Repair; Primary Thermostat & Probe; Overtemperature Switch; Reassembly Notes

Repair 16 3A2954D Repair Primary Thermostat & Probe (Model 24P016 Only, see F IG . 10 on page 17) 1. Perform Pressure Relief Procedure , page 11. 2. Remove screws (52) then remove housingcover (18). 3. Loosen screws (25) that secure thermostat in place. 4. Remove wires from the primary thermosta...

Page 18 - Control Knob

Repair 18 3A2954D Control Knob This procedure applies to heater 24P016 only. See the Parts illustration on page 22. 1. Follow Pressure Relief Procedure , page 11. 2. Turn control knob (33) to setpoint 1. 3. Loosen the control knob setscrew (30). 4. Remove control knob. 5. Remove adjusting knob (12) ...

Page 20 - Heater Cartridges

Repair 20 3A2954D Heater Cartridges See Parts illustration that applies to your heater on page 22 or 24. 1. Follow Pressure Relief Procedure , page 11. 2. Disconnect power. 3. Drain the Heater , page 13. 4. Perform Heater Core Removal and Fluid Passage Unclogging procedure on page 19. This includes ...

Page 21 - Reassembly

Repair 3A2954D 21 RTD Sensor and FittingReplacement (Model 262853 Only) 1. Follow Pressure Relief Procedure , page 11. 2. Disconnect power. 3. Remove screws (52) then remove cover (18). 4. Disconnect M8 cable connection for sensor (88). 5. Loosen nut on compression fitting (72) and pull thesensor (8...

Page 26 - Mounting Bracket; Thermal Lubricant

Accessories 26 3A2954D Accessories Mounting Bracket 192585 Dimensions – inches (mm) Cart Bracket For mounting heaters to 2.5 in. (63 mm) square tubeframes. Order 2 each of the following. 183484: Clamp 183485: Mounting bar Thermal Lubricant 110009: 1 fluid ounce tube A B C (4x) D E F (2x) 5.0 (127) 6...

Page 28 - Performance Charts

Technical Data 28 3A2954D Performance Charts 91 89.5 88.1 86.4 86 86 103 99 96 93 92 92 115 109 105 101 99 98 128 118 112 108 105 104 143 128 121 115 112 111 166 138 128 122 120 119 80 90 100 110 120 130 140 150 160 170 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 9 8 7 6 5 4 14.2 10.7 7.7 5.6 3.7 3 24.6...

Page 29 - Dimensions

Technical Data 3A2954D 29 Dimensions NOTE: • 24P016 comes with a 3/4 in. street elbow and a 3/4x 1/2 inlet nipple. • 262853 comes with a 3/4 x 1/2 inlet nipple pointingto the back. • Lower inlet housing can be turned to face the front,back, left, or right. Measurements – inches (mm) C A B 1/2 in. np...

Page 30 - Graco Standard Warranty; Graco Information

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. )RUSDWHQWLQIRUPDWLRQVHHZZZJUDFRFRPSDWHQWV 2ULJLQDOLQVWUXFWLRQV This manual contains English. MM 3A...

Table of Contents:

Summary

Other Graco Models