Page 2 - Models; Hazardous Location Heaters; Non-hazardous Location Heaters
Models 2 309524N Models Hazardous Location Heaters See Special Conditions for Safe Use on page in Warnings Section. Non-hazardous Location Heaters Part No. Series VAC (50/60 Hz single phase) / Watts / Amps Approvals 245848 A 120 / 2300 / 19.2 Approved Exd IIB T2 482°F (250°C)Certificate No. ISSeP 07...
Page 3 - Contents; Warning
Contents 309524N 3 Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Translations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Manual Conventions . . . . . . . . . . . . . . . . . . . . . . . . 3 Warning . . . . . . . . . . . . . . . . . . . ....
Page 4 - WARNING
Warning 4 309524N WARNING SKIN INJECTION HAZARD High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment. • Do not point the gun at anyone or at any par...
Page 6 - Installation; Typical Installation Drawing
Installation 6 309524N 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 7 - Selecting Tubing
Installation 309524N 7 I Selecting Tubing Fluid loses some heat through the tubing or hose between the heater and spray gun. Locate heater close to 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 of tubing. WARNING Read warni...
Page 8 - Mounting Heater; Wall Mounting
Installation 8 309524N Mounting Heater Wall Mounting Bracket 192585 (F IG . 3) 1. Use M8 bolts of appropriate length and lockwasher (CC), not supplied, to mount bracket. 2. Install two screws (6) and washers (5) into top 2 heater mounting posts (BB) until they are about 1/8 in. (3 mm) from fully ins...
Page 9 - Cart Mounting
Installation 309524N 9 Cart Mounting (F IG . 5) 1. Place clamps (AA) around the cart vertical post (DD) and secure to the heater mounting bars (ZZ) with M8 x 1.25 x 30 mm bolts (6) and lockwasher (5). 2. Observe temperature ratings for the power cable to the terminal junction. Cable H07RN does not m...
Page 10 - Electrical Connections; Requirements For All Installations
Installation 10 309524N Electrical Connections Requirements For All Installations 1. The voltage supply must agree with the maximum heater voltage and amperage. See Models, page 2. 2. Conductors used for supply connection must be suitable for at least 221°F (105°C). Hazardous Location Installation R...
Page 11 - Wall Mounted Wiring
Installation 309524N 11 Wall Mounted Wiring Mount a 2-pole, explosion-proof electric switch (H) near the heater. See F IG . 7. The switch must meet the electri- cal codes for your location. Also use the correct cable and plug. Cart Mounted Wiring Connect a plug that meets the electrical codes for yo...
Page 14 - Operation; Pressure Relief Procedure
Operation 14 309524N Operation Pressure Relief Procedure Follow Pressure Relief Procedure when you stop spraying, and before cleaning, checking, or servicing equipment. 1. Engage the gun safety lock. 2. Shut off main power to the heater. 3. Circulate fluid for at least 10 minutes to cool the heated ...
Page 15 - Setting Heater Control; Adjusting for Spraying
Operation 309524N 15 Setting Heater Control (Refer to F IG . 11) 1. Set the heater control knob (33) to a trial setpoint of 4 or 5. 2. Start the pump and circulate fluid through the sys-tem at very low pressure, about 10-12 oz/min (0.30-0.35 liter/min). 3. After 10 minutes, read the temperature on t...
Page 16 - Maintenance; Flushing; Unclogging Fluid Passages
Maintenance 16 309524N Maintenance Flushing Clogged fluid passages are difficult to clean and reduce heating efficiency, flow rate, and pressure. Flush fre-quently, including whenever system is not in use. 1. Follow Pressure Relief Procedure, page 14. 2. Ensure main power is off and heater is cool b...
Page 17 - Troubleshooting
Troubleshooting 309524N 17 Troubleshooting Problem Cause Solution Heater will not heat. No current. Check circuit and fuses. Check continuity of primary thermo-stat (24), backup thermostat (10), and thermal limit sensor (15). Check continuity of thermostat (10) and heater block (3) terminals - Page ...
Page 18 - Repair; Primary Thermostat & Probe; Backup Thermostat; Reassembly Notes
Repair 18 309524N Repair Hazardous Location Heaters: See F IG . 15 & 17 Non-hazardous Location Heaters: See F IG . 16 & 18 Primary Thermostat & Probe 1. Follow Pressure Relief Procedure, page 14. 2. Remove housing cover (18). 3. Hazardous Location Heater only: Loosen nut (27). Non-hazard...
Page 20 - Thermal Limit Sensor; Control Knob; Heater Block
Repair 20 309524N Thermal Limit Sensor 1. Follow Pressure Relief Procedure, page 14. 2. Remove housing cover (18). 3. Remove nut (FF) and nut (3B) holding the leads of the thermal limit sensor (15) and remove the sensor. See F IG . 15 or 16, page 19. 4. Apply thin film of thermal lubricant (part no....
Page 22 - Parts
Parts 22 309524N Parts Hazardous Location Heaters ti2334E 6 5 18 24 27 25 35 26 28 29 30 33 12 16 19 15 16 10 6 5 REF. 1 1 9 2 3 7 8 5 6 32 14, 43 14, 36 4 3 Torque to 89 in-lb (10 N•m) Apply sealant Apply thermal lubricant Torque nuts (62) to 10-12 in-lb (1.1-1.3 N•m) 1 2 3 4 1 2 31 31 8 7 1 2 2 1 ...
Page 24 - Non-Hazardous Location Heaters
Parts 24 309524N Non-Hazardous Location Heaters 12 24 52 15 10 9 5 18 47 26 28 27 35 25 29 30 33 32 2 3 31 5 6 8 1619 16 14, 36 14, 43 Torque to 89 in-lb (10 N•m) Apply sealant Apply thermal lubricant Torque nuts (62) to 10-12 in-lb (1.1-1.3 N•m) 1 2 3 4 3 1 2 2 1 31 20 48 50 51 54 53 25 1 47 4 7 56...
Page 26 - Accessories; Heater Conversion Kit; Mounting Bracket; Thermal Lubricant
Accessories 26 309524N Accessories Heater Conversion Kit 246302: Includes two fittings to make VISCON HP ports match VISCON 2 Mounting Bracket 192585: European version (see below) Measurements – inches (mm) 183982: USA version Cart Bracket Order 2 each of the following: 183484: Clamp 183485: Mountin...
Page 28 - Technical Data
Technical Data 28 309524N Technical Data The heater can be used in the following environmental conditions: indoor use, 99% maximum relative humidity, pollu-tion degree 2, installation category II, maximum ambient temperature 135° F (57° C). * Main supply fluctuation not to exceed 10%. ** The heater ...
Page 29 - Dimensions
Dimensions 309524N 29 Dimensions Measurements – inches (mm) L K G H J 1/2 npt(m) Fluid Inlet 1/2 npt(f) Fluid Outlet 3/4 npt(f) Electrical Conduit Port G H J K L 9.375 (238) 8.46 (215) 6.5 (165) 18 (457) 6.375 (162)
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. This manual contains English. MM 309524 Graco Headquarters: Minneapolis International Offices: Bel...
