Page 2 - Contents
2 3A2824B Contents Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Typical Installation Drawing . . . . . . . . . . . . . . . . 5 Component Identification . . . . . . . . . . . . . . . . . . ....
Page 3 - Warnings
Warnings 3A2824B 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 4 - WARNING
Warnings 4 3A2824B TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, orswallowed.• Read MSDSs to know the specific hazards of the fluids you are using. • Store hazardous fluid in approved containers, and dispose of it acc...
Page 5 - Installation; Typical Installation Drawing
Installation 3A2824B 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 3A2824B Component Identification F IG . 2: Typical Installation – Heated Circulating System Key: AA Temperature controlAB Heater light (illuminated while heating) AC Heater inlet, 3/8 npt(f)AD Heater outlet, 1/4 npt(f) AE Outlet thermometerAF Mounting bracketAG Heater plug...
Page 7 - General Information; Selecting Tubing
Component Identification 3A2824B 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 . 3 shows a heat loss curve for 3 com- mon types o...
Page 8 - Mounting Heater; Wall Mounting
Component Identification 8 3A2824B Mounting Heater Heater controls must be easily accessible. The mounting surface must be able to support theweight of the heater and fluid, and any stress causedduring operation. Wall Mounting Use included wall bracket 16R988 and insulatingwashers (29), part number ...
Page 10 - Electrical Connections; Requirements For All Installations
Component Identification 10 3A2824B Electrical Connections Requirements For All Installations • The user must provide external over-current protec-tion. For installations in the United States and Can-ada, a branch circuit breaker must be used forover-current protection. The maximum recom-mended circ...
Page 11 - Operation; ressure Relief Procedure
Operation 3A2824B 11 Operation P ressure 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 hea...
Page 12 - Setting Heater Control
Operation 12 3A2824B Setting Heater Control (Refer to F IG . 6) 1. Set the heater control knob (9) to a trial setpoint of 4or 5. 2. Start the pump and circulate fluid through the sys-tem at a very low flow rate of about 10-12 oz/min(0.30-0.35 liter/min). 3. After the red heater light (AB) turns off,...
Page 13 - Before Beginning Repair
Troubleshooting 3A2824B 13 Troubleshooting Repair Before Beginning Repair PROBLEM CAUSE SOLUTION No heat and heater indicator light isoff. Heater power off or circuit breakertripped. Turn heater power on or reset circuitbreaker. Bad thermostat (17). With power on, check for continuityon/off at click...
Page 14 - Heater Temperature Controls
Repair 14 3A2824B Heater Temperature Controls See F IG . 7. Control knob (9) sets temperature of heater. Indicator light (8) turns on when thermostat is heatingand off when heater reaches setpoint. F IG . 7 21 12 1 17 22 9 8 12 ti7008b Power in
Page 15 - Heater Cartridge; Thermal Limit Sensor
Repair 3A2824B 15 Heater Cartridge 1. See Before Beginning Repair , page 14. Relieve pressure. 2. Wait for heaters to cool. 3. Testing : Use a multimeter to check resistance across cartridge leads per the Technical Data chart. Also check that neither lead has continuity tothe cartridge case. 4. See ...
Page 16 - Indicator Light; Heater Thermostat Switch
Repair 16 3A2824B Indicator Light 1. See Before Beginning Repair , page 14. Relieve pressure. 2. Wait for heaters to cool. 3. See F IG . 7. Loosen two screws (12) and remove shield (21). 4. Disconnect jumper wires (23, DD, EE) from back ofindicator light (9), then push light out through thefront fac...
Page 17 - Cleaning Heater Core
Repair 3A2824B 17 mostat switch from bracket. Pull thermostatprobe (JJ) slowly out of heater core (2). 8. Insert new thermostat probe into core with heat sinkcompound 110009. Use screws (25) to install newthermostat switch behind bracket face and installcontrol knob. 9. Reattach jumper wires (22) an...
Page 18 - Parts
Parts 18 3A2824B Parts ; ; ; .. 723 ; ; 5 & & ) Apply a thin film of heatsink compound (26). Stretch capillary coils (KK) down to contact top of core (2).Route wires from thermal limit switch (19), heatercartridge (20) and ground wire through center of coils. Apply both tape (27) and sealant...
Page 19 - Accessories
Accessories 3A2824B 19 --- Not for sale. ▲ Replacement Danger and Warning labels, tags andcards are available at no cost. ◆ Not shown. Accessories 110009 Heat sink compound, 1 oz. tube Ref Part Description Qty 1 24K987 HOUSING, heater 1 2 24K988 CORE, heater, spiral 1 3 24K992 INSULATOR, heater 1 4 ...
Page 20 - Schematic Diagram
Technical Data 20 3A2824B Technical Data Schematic Diagram Maximum Working Pressure . . . . . . . . . . . . . . . . . . . . . . 2000 psi (140 bar, 14 MPa) Maximum Amps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.3 A Maximum Fluid Temperature . . . . . . . . . . . . . . . . . . ...
Page 21 - Dimensions
Technical Data 3A2824B 21 Dimensions ti19998a 2.9 in.(7.3 cm) 2.5 in. (6.35 cm) 15.3 in. (38.7 cm) 3/8 npt(f) Fluid Inlet 1/4 npsm Fluid Outlet 70 in. (178 cm) SJTO cablewith NEMA L6-20P twistlock connector
Page 22 - 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. For patent information, see www.graco.com/patents. 2ULJLQDOLQVWUXFWLRQV This manual contains Engli...
