Benutzeranleitung / Produktwartung V15 des Produzenten Hubbell Electric Heater Company
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OPERATING AND MAINTENANCE MANUAL FOR ELECTRIC INDUSTRIAL PROCESS WATER HEATER ELECTRIC HEATER COMPANY BASE MODEL “ V6 a nd V15 ”.
2 HUBBELL ELECTRIC HEATER COMPANY P.O. BOX 288 STRATFORD, CT 06615 PHONE: (203) 378-2659 FAX: (203) 378-3593 INTERNET: http://www.hubbellheaters.com/ -- IMPORTANT -- Always reference the f ull model number and serial num ber when calling the factory. WARNING / CAUTION 1.
3 TABLE OF CONTENTS SECTION TITLE PAG E # I GENERAL DESCRI PTION AND CONSTRUCTION 5 II I NSTALL ATI ON 10 III S C H E D U LE D M A IN T E NANCE AND OPERATION 17 I V TROUBLESHOOTI NG 19 V S E R V I C I.
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5 SECTION I - GENERAL DESCRIPTION AND CONST RUCTION GENERAL DESCRIPTION This booklet describes an electric water heater designed for use in an industrial or commercial application.
6 CONTROL THERMOS TAT The water he ater is supplied with a sing le stage imme rsion thermostatic switch that i s install ed and wired at the factory. The thermostat can be adjusted through a range of 100° - 195° F , (an optional low range, 30° - 110° F, is available), and is adjustable with a flat tip screwdriver.
7 OUTER SHELL, INSULATION, AND SUPP ORTS The tank is encapsulated in 2-inches of high-density fiberg lass insulation. The protective shell is constructed of galvaneel and is coated with a durable silver hammertone finish. NSF approved adjustable plastic legs are provided for support.
8 Dial Temperature an d Pressure Gauge A combination temperature (70° - 250° F) and pressure (0 – 200 psi) gaug e with 2½-inch dial may be supplied for in-line installation (shipped loose). Vacuum Relief Valve A vacuum relief valve may be provided with the unit to reduce the risk of back siphonage and back pressure of the sy stem.
9 Silicon Control Re ctifier A silicon control rectifier (SCR) “zero fired” power controller for 0-100% proportional control of heaters may be supplied. Digital Display A 1/16 DIN electronic temperature control package may be installed. A separate manufacturer’ s operating manua l will be supplied with the unit.
10 SECTION II – INSTALLATION WARNING / CAUTION DO NOT TURN ON THE ELECTRI C POWER SUPPLY to this equipment until he ater is completely fille d with water and all air ha s been relea sed. If the heater is NOT fille d with water when the power is turned on, the heating elements will burn out.
11 4. I nstall the combination temperature and pressure safety relief valve in the tapping provided. Note that this is required by law for safety considerations. Outlet to floor drain I nstall into provided tapping Manual Release Lev e r Temperature Probe Temperature and Pressure Relief Valve 5.
12 FINAL CHECKS 1. Check all connections for tightness. 2. Ensure that all the above steps are completed 3. After the wa ter is heated for the first time, monitor the water te mperature as desc ribed in S e c t i o n III, Q u a r t e r l y In s p e c t i on.
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15 1 – Terminal Block 2 – Magnetic Contactor 3 – Heating Element 4 – Low Water Cut-Off, if supplied 5 – Transformer, 480-Volt/240-Volt, installed on 480-Volt models only .
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17 SECTION III - SCHEDULED MAINTE NANCE AND OPERATION WARNING / CAUTION Before performing any maintenance procedure, make certain power supply is OFF and cannot accidentally be turned on. MAINTENANCE AND OPERATION The water heater is automatic in its operation.
18 ANNUAL INSPECTION 1. Flush tank as follows a. Shut off power supply . b. Close valve on hot water outlet piping. c. Open valve on drain piping. d. Cold water inlet line pressure will be strong enough to flush sediment from the bottom of the tank out through the drain.
19 SECTION IV – TROUBLESHOOTING Symptom Probable Cause Corrective Action / Remedy Circuit breaker tripped at source. Reset circuit breaker. On/Off switch in ‘OFF’ position Turn switch to ‘ON’ position Blown fuse in transformer, if installed.
20 Faulty thermosta t. Check thermostat adjustment. Monitor thermostat as described i n S e c t i o n III, Q u a r t e r l y I nspection. Replace if necessary.
21 SECTION V - SERVICING & REPLACEMENT OF PARTS WARNING / CAUTION Before servicing or replacing any part make sure to turn the power supply switch to the OFF position. SURFACE TEMPERATURE HIGH LIMIT CUT -OFF 1. Disconnect power from unit. 2. Remove access cover.
22 IMMERSION TEMPERATURE HIGH L IMIT CUT-OFF 1. Disconnect power from unit. 2. Remove access cover. 3. Remove high limit c over screw and c over. Cover Cover Screw Reset Switch 4. Disconnect the two (2) 14 gauge wires. Wires Capillary Tube 5. Remove capilla ry tube and bulb from thermowe ll 6.
23 HEATING ELEM ENT 1. Disconnect power from unit. 2. Shut off incoming water supply . 3. Attach hose to drain connection. 4. Lift manual release lever on relief valve to let air into sy stem or break union on outg oing water line. 5. Drain water from tank.
24 IMMERSION THE RMOSTAT 1. Disconnect power from unit. 2. Remove access cover and locate t hermostat. 3. Remove high limit c over screw and c over. Cover Cover Screw 4. Disconnect the two (2) 14 gauge wires. Wires Capillary Tube 5. Remove capilla ry tube and bulb from thermowe ll.
25 MAGNETIC CONTACTOR 1. Disconnect power from unit. 2. Disconnect line and load wires to contactor. 3. Disconnect two (2) 14 gaug e control circuit wires. Control Wires Line Wires Load Wires 4. Loosen two (2) holding screws and remove contactor. Mounting Screws (Bottom screw not shown) 5.
26 RELIEF VALVE 1. Disconnect power from unit. 2. Shut off incoming water supply . 3. Lift test lever on relief valve to relieve pressure in tank. 4. Disconnect overflow piping. 5. Unscrew relief valve, remove assemb ly and replace with new one. 6. Connect overflow piping.
27 SECTION VI – MISCELL ANEOUS CHARTS AND FORMULAS ELEMENT CHA RT Power (Wat ts) Element Part # 120V 208V 240V 480V I mmersion L ength Element Resistance (Ohms) CH-FO-358 ---- 3500 ---- ---- 11 3/8" 12.36 CH-FO-408 ---- 4000 ---- ---- 11 3/8" 10.
28 FORMULAS.
29 TORQUE VALUE S BOLT SIZE 18-8 S/S IN. - LB S . BRASS IN. - LB S . SI LI CON BRONZE IN. - LB S . ALUMI NUM 2024-T4 IN. - LB S . 316 S/S IN. - LB S . MONEL IN. - LB S . 4-40 5.2 4.3 4.8 2.9 5.5 5.3 4-48 6.6 5.4 6.1 3.6 6.9 6.7 5-40 7.7 6.3 7.1 4.2 8.
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