Gracoメーカー309524Lの使用説明書/サービス説明書
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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 for 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.
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