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Instructions - Parts
Hopper or Hose
Heat Circulation Kit
For circulating heated water or oil through XM plural-component sprayer double wall
hoppers, heated hose, and Viscon
Approved for use in explosive atmospheres.
Model 256273
Includes parts needed to assemble heated hose system. Heated hose assembly and Viscon HP heater must be
ordered separately.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
See Technical Data on page 24 for Maximum
Working Pressure and Temperature Rating infor-
mation.
®
HP heater.
313259B
ENG
r_256273_313259_1b
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Related Manuals for Graco 256273
Summary of Contents for Graco 256273
- Page 1 ® hoppers, heated hose, and Viscon HP heater. Approved for use in explosive atmospheres. Model 256273 Includes parts needed to assemble heated hose system. Heated hose assembly and Viscon HP heater must be ordered separately. Important Safety Instructions Read all warnings and instructions in this manual.
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Page 2: Table Of Contents
Graco Standard Warranty ....26 Graco Information ......26... -
Page 3: Warnings
Warnings 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 symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. - Page 4 Warnings WARNING WARNING WARNING 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. •...
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Page 5: Heated Hopper Or Hose Circulation Kit 256273
Heated Hopper or Hose Circulation Kit 256273 Heated Hopper or Hose Circulation Kit 256273 The kit described in this manual; includes all miscellaneous parts needed to assemble the system. There are three options for using circulation kit 256273: • Circulate water through the heater and only the hop- •... -
Page 6: Hazardous Location Heaters
Heated Hopper or Hose Circulation Kit 256273 Hazardous Location Heaters Approvals Part No. VAC (50/60 Hz single phase) / Watts / Amps Series 245848 120 / 2300 / 19.2 II 2 G 245863 240 / 4000 / 16.7 Approved Exd II T2 482°F (250°C) 245864 480 / 4000 / 8.30... - Page 7 Heated Hopper or Hose Circulation Kit 256273 313259B...
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Page 8: Typical Installation
Typical Installation Typical Installation r_256273_313259_1b . 1: Heat Only Hoppers Configuration Key: Viscon HP Heater Husky diaphragm pump Hopper Frame Fluid circulation tubing NOTE: See F . 2 on page 9 for fluid schematic of heated fluid. 313259B... - Page 9 Typical Installation Back-Mounted Hoppers (BM) Table 1: Tubing Lengths (BM) Hoppers (SM) Hoppers Section Tubing in (mm) in (mm) 1/2 in. 65 (1651) 50 (1270) 51 (1295.4) 35 (889) 7 (177.8) 4 (101.6) 3/4 in. 40 (1016) 36 (914.4) 29 (736.6) 17 (431.8) 7 (177.8) 7 (177.8)
- Page 10 Typical Installation r_256273_313259_3a . 3: Hoppers and Heated Hose Configuration Key: Viscon HP Heater Husky diaphragm pump Hopper Frame Fluid circulation tubing Heated hose tee fittings (see heated hose connections on page F . 5 and F . 6 on page 12 and 13.) NOTE: See F .
- Page 11 Typical Installation To Blue Tubing To Red Tubing 27 in. (685.8 mm) (SM, BM) (SM, BM) (SM, BM) (SM, BM) 23 in. (584.2 mm) (SM, BM) 21 in. (533.4 mm) r_256273_313259_12 . 4: Fluid schematic for heating hoppers and heated hose See page 9 for tubing lengths with side-mounted hoppers (SM) and back-mounted hoppers (BM).
- Page 12 Typical Installation Heated Water Fluid Flow r_256273_313259_13a . 5: Heated Hose Only Configuration Key: Viscon HP heater Husky diaphragm pump Hopper (not shown) Frame Fluid circulation tubing Heated hose tee fitting (to red tubing) Return hose tee fitting (from blue tubing) Recirculation valve Heated hose assembly (purchase separately) Overflow tank (used for only heated hose configuration)
- Page 13 Typical Installation 38 in. (965.2 mm) 24 in. (609.6 mm) 23 in. (584.2 mm) BLUE Single Hose Shown . 6: Fluid schematic for heated hose 313259B...
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Page 14: Installation
Installation Installation Grounding Tubing Lengths The length of tubing (4, 16, 29) is determined by the hopper mounting configuration and heating choices. Reference the fluid schematic, from the configurations listed below, to find the tubing lengths. The equipment must be grounded. Grounding reduces •... - Page 15 Installation 2. For only heating hoppers or heating hoppers and heated hose: a. Remove 3/4 npt plugs from the end of the fluid manifold and place in center. r_256273_313259_15 . 8: Pump installation for heating heated hose d. Install bushing (12) and elbow fitting (17) on dia- phragm pump (3) fluid outlet.
- Page 16 Installation 7. Slide Viscon HP heater (A) into slots on XM frame. Tighten bolts to secure to frame. All wiring must be done by a qualified electrician. See warnings, page 3. 10. Wire Viscon HP heater (B) to your voltage supply. Follow wiring procedure in the Viscon HP manual 309524.
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Page 17: Setup
Installation Setup 3. Connect fitting (7) in the heater fluid outlet (A) and tee fitting (13) to hose circulation inlet with tubing (4). For heating hoppers only: 4. Connect tee fitting (13) from hose circulation return See fluid schematic on page 9 and parts on page 21. to tee fitting (13) with tubing (4). -
Page 18: Operation
Operation Operation NOTE: If the hose is not being used for more than one hour, shut off Viscon HP heater and pump to lengthen heater life. 1. Select fluid to use for heating circulation. • 50% water and 50% ethylene glycol mixture is recommended for fastest heat-up time and pre- vention of algae build-up regardless of ambient temperature. -
Page 19: Maintenance
Maintenance Maintenance • Check double wall hopper heating fluid level • Follow pump maintenance instructions in Husky 716 monthly. Add fluid as needed. diaphragm pump manual 308981. • Do not overfill when using oil. See overfilling • Follow heater maintenance instructions in Viscon notice on page 18. -
Page 20: Parts
Parts Parts 256273, Heated Hopper or Hose Circulation Kit For heating hoppers and heated hose To Blue Tubing To Red Tubing 7, 11 7, 11 32, 31 32, 31 Cut tubing to length. See table on page 9. See Heater and Diaphragm Pump (3) Connections on page 22. - Page 21 Parts For only heating hoppers Back-Mounted Hoppers (BM) 7, 11 7, 11 32, 31 32, 31 12, 17 Side-Mounted Hoppers (SM) 32, 31 32, 31 7, 11 7, 11 Cut tubing to length. See table on page 9. See Heater and Diaphragm Pump (3) Connections on page 22.
- Page 22 Parts Heater and Diaphragm Pump (3) Connections For heating heated hose only For heating hoppers or hoppers and heated hose only r_256273_313259_14 313259B...
- Page 23 Parts Ref. Part Description Qty. 256196 PLATE, mounting 100333 SCREW, cap, hex; 1/4-20 x 1/2 in. (13 mm) D53288 PUMP, 716, Husky 054139 TUBE, nylon, flexible, 1/2 in. (13 mm) OD; 17 ft (5.2 m) 112395 SCREW, cap, flng hd 117423 FITTING, elbow;...
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Page 24: Technical Data
Technical Data Technical Data Maximum Working Pressure High Pressure Fluid Hose ..... See Heated Hose Assembly table, page 5 Heated Fluid Circulation Components ... . 95 psi (0.6 MPa, 6.6 bar) Maximum Temperature Rating . - Page 25 Technical Data 313259B...
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Page 26: Graco Standard Warranty
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.
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