Instruction/ maintenance manual of the product VISCON HP 309524L Graco
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309524L Instr uctions High Pressure Fluid Heater VISCON HP Used f or v ariable heating of fluids. 7250 psi (50 MP a , 500 bar) Maximum W orking Pressure Important Safety Instructions Read all warnings and instr uctions in this manual. Sav e these instr uctions.
Models 2 309524L Models Hazar dous Location Heaters Non-hazar dous Location Heaters Pa r t N o . Series V A C (50/60 Hz single phase) / W atts / Amps Appro vals 245848 A 120 / 2300 / 19.
Contents 309524L 3 Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Manual Con ventions . . . . . . . . . . . . . . . . . . . . . . . . 3 W arning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning 4 309524L W A RNING SKIN INJ ECTION HAZAR D High-pressure fluid from gu n, hose leaks, or ruptur ed components will pierce skin. This ma y look like just a cut, b ut it is a serious injury that can result in amputa tion. Get immediate su rgical treatment.
Warning 309524L 5 EQUIPMENT MISUSE HAZARD Misuse can cause serious injury or death. • F or prof essional use only . • Use equipment only f or its intended purpose. Call y o ur Graco distributor f or inf or mation. • Read manuals , warnings, tags, and labels bef ore operating equip ment.
Installation 6 309524L Installation T ypical Installation Dra wing The typical installation drawing is only a guide. Y our Graco distr ibutor can as sist in designing your system.
Installation 309524L 7 I Selecting T ubing Fluid loses some heat th rough the tubing or hose betwee n the heater and spr ay gun. Locate heater clo se to the spra y area to minimize heat loss throu gh plumb- ing. The chart in F IG . 2 shows a he at loss cur v e f o r 3 com- mon types of tubing.
Installation 8 309524L Mounting Heater W all Mounting Bracket 192585 (F IG . 3) 1. Use M8 bolts of appropriate length and loc kwasher (CC), not supplied, to mo unt brac ket. 2. Install two scre ws (6) and washers (5) into top 2 heater mounti ng posts (BB) until the y are about 1/8 in.
Installation 309524L 9 Car t Mounting (F IG . 5) 1. Place clamps (AA) around the car t vertical post (DD) and secure to the heat er mounting bars (ZZ) with M8 x 1.25 x 30 mm bolts (6) and loc kwasher (5). 2. Obser ve temperat ure ratin gs f o r the po wer cable to the terminal junction.
Installation 10 309524L Electrical Connections Requirements For All Installations 1. The volt age supply m ust agree with the maximum heater voltage and amperage. See Models , page 2. 2. Conductors used f or supply connection must be suitab le f or at least 221°F (10 5°C).
Installation 309524L 11 W all Mounted Wiring Mount a 2-pole , explos ion-proof electric s witch (H) near the heater . See F IG . 7. The s witch must meet the electri- cal codes f or your location. Also use the cor r ect cab le and plug. Car t Mounted Wiring Connect a plug that meets the electr ical codes for y o ur location.
Installation 12 309524L Determining Pr oper Fluid T emperature Use the low est temperature setting po ssible f or maxi- mum heater lif e. Use the char t in F IG . 9 to de termine the Under-Boil ® temperature. F IG . 9 also shows the eff ect of temperat ure on reducing viscosit y .
Installation 309524L 13 The char t in F IG . 10 shows the ef f e ct of tempe rature in reducing two fluids to a spra yab le viscosity , between 20 and 34 seconds using a No . 2 Zahn cup . Note that te mperature has more of an eff ect on hig h solid fluids th an on thin en amels.
Operation 14 309524L Operation Pressure Relief Pr ocedure F ollow Pressure Rel ief Pro cedure when y ou stop spra ying, and bef ore cleaning, checkin g, or ser vicing equipment. 1. Enga ge the gun s afe ty lock. 2. Sh ut off main power to the heater .
Operation 309524L 15 Setting Heater Contr ol (Refer to F IG . 11) 1. Set the heater control knob (33) to a trial setpoint of 4 or 5. 2. Star t the pump and circulate fluid thr ough the sys- tem at very low pressure, about 10-1 2 oz/min (0.30-0.35 liter/min).
Maintenance 16 309524L Maintenance Flushing Clogged fluid pa ssages are dif f icult to clean and reduce heating efficiency , flow rate , and pressure. Fl ush fre- quently , including whene ver system is not in use . 1. Follow Pressu re Relief Pro cedure , page 14.
Troubleshooting 309524L 17 T r oubleshooting Prob lem Cause Solution Heater will not heat. No current . Check circuit and fuses . Check continuity of pr imar y ther mo- stat (24), bac kup ther mostat (10), and thermal limit sensor (15). Check continuity of ther mosta t (10) and heater b lock (3) terminals - Page 18.
Repair 18 309524L Repair Hazardous Location Heaters: See F IG . 15 & 17 Non-hazar dous Location Heater s: See F IG . 16 & 18 Primary Thermostat & Probe 1. Follow Pressu re Relief Pro cedure , page 14. 2. Re mov e housing cover (18). 3. Hazardous Location Heater only: Loosen nut (27).
Repair 309524L 19 F IG . 15: Thermostat Re pair – Hazardous Location Heaters 6 Apply thermal lubr icant T orque to 89 in-lb (10 N•m) T orque nuts (62) to 10-12 in-lb (1.1-1.3 N•m) 1 2 3 5 2 16 19 15 HH 16 10 1 EE 1 3A GG 18 24 27 35 FF 1 26 28 TI12335C 25 REF.
Repair 20 309524L Thermal Limit Sensor 1. Follow Pressu re Relief Pro cedure , page 14. 2. Re mov e housing cover (18). 3. Remove nut (FF) and nut (3B) holding the le ads of the thermal limit sensor (15) an d remove the sensor . See F IG . 15 or 16, page 19.
Repair 309524L 21 F IG . 17: Contr ol Repair – Hazardous Location Heaters T orque to 89 in-lb (10 N •m) Electrical Housing Junction Bo x Apply sealant T orque nuts (62) to 10-12 in-lb (1.1-1.3 N•m) 1 2 3 4 5 1 TI2334E 6 5 18 24 29 6 5 9A 1 2 3 4 10 15 REF.
Parts 22 309524L Pa r t s Hazar dous 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 T orque to 89 in-lb (10 N•m) Apply sealant Apply thermal lubr icant T orque nuts (62) to 10-12 in-lb (1.
Parts 309524L 23 Hazar dous Location Heaters ▲ Replacement Danger and W ar ning labels, tags and cards are av ailable at no cost. Pa r t N o . S e r i e s Ref. No. 3 Heater Bloc k P ar t No. V olts / W atts 245848 A 246616 120 / 2300 245862 A 246617 200 / 4000 245863 A 246618 240 / 4000 245864 A 246619 480 / 4000 246254 A 246620 380 / 4000 Ref.
Parts 24 309524L Non-Hazar dous 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 16 19 16 14, 36 14, 43 T orque to 89 in-lb (10 N•m) Apply sealant Apply thermal lubr icant T orque nuts (62) to 10-12 in-lb (1.
Parts 309524L 25 Non-Hazar dous Location Heaters ▲ Replacement Danger and W ar ning labels, tags and cards are av ailable at no cost. Pa r t N o . S e r i e s Ref.
Accessories 26 309524L Accessories Heater Con version Kit 246302: Includes two fit tings to make VISCON HP por ts match VISCON 2 Mounting Bracket 192585: Eur opean v ersion (see below) Measurements .
Accessories 309524L 27 Cable Clamp Ki t 246303 Installation 1. Slide cable clamp (3) ont o cable (2). 2. Place washer (F) on fitt ing (E). 3. Push conical-shap ed packing (D) into fitt ing (E). 4. Place washer (C) on retaining nut ( B). 5. Screw retaining n ut (B) into fitting (E).
Technica l Data 28 309524L T ec hnical Data The heater can be used in the f ollowing en vironmental conditions: indoor use , 99% maximum rela tiv e humidity , pollu- tion degr ee 2, installation cate gor y II, maximum ambient temp erature 135° F (57° C).
Dimensions 309524L 29 Dimensions Measurements – inch es (mm) L K G H J 1/2 npt(m) Fluid Inlet 1/2 npt(f) Fluid Outlet 3/4 npt(f) Electrical Conduit P or t GH J K L 9.
All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. This manual contains English. MM 309524 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC.
An important point after buying a device Graco VISCON HP 309524L (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco VISCON HP 309524L yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco VISCON HP 309524L - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco VISCON HP 309524L you will learn all the available features of the product, as well as information on its operation. The information that you get Graco VISCON HP 309524L will certainly help you make a decision on the purchase.
If you already are a holder of Graco VISCON HP 309524L, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco VISCON HP 309524L.
However, one of the most important roles played by the user manual is to help in solving problems with Graco VISCON HP 309524L. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco VISCON HP 309524L along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
