Gebruiksaanwijzing /service van het product E van de fabrikant Hubbell Electric Heater Company
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OPERATING AND MAINTENANCE MANUAL FOR COMMERCIAL ELECTRIC WATER HEATER ELECTRIC HEATER COMPANY BASE MODEL “ E ”.
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 num ber and serial number when calling the factory. WARNING / CAUTION 1.
3 TABLE OF CONTENTS SECTION TITLE PAG E # I GENERAL DESCRI P TI ON AND CONSTRUCTION 5 II INSTAL LATI ON 8 III S C H E D U LE D M A IN TE NANC E AND OPERATION 10 I V TROUBL ES HOOTI NG 12 V S E R V I C.
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5 SECTION I - GENERAL DESCRIPTION AND CONST RUCTION GENERAL DESCRIPTION This book describes a packaged electric water heater that is a stationary, self-contained unit.
6 CONTROL THERMOS TAT The water heater is supplied as standard with a surface mounted thermostatic switch that is installed and wired at the fac tory. As a n option an immersion ther mostat is available. See dra wing for specific details. The surface mounted thermostat can be adjusted through a range of 110° - 170° F.
7 OUTER SHELL AND INSULATION The tank is encapsulated in 2-inch thick polyurethane foam insulation. The insulation is protected by a high impact non-corroding colorized composite protective jacket. OPTIONS The following optional features may be included in y our water heater.
8 SECTION II – INSTALLATION WARNING / CAUTION DO NOT TURN ON THE ELECTRI C POWER SUPPL Y to this equipment until heate r is completely filled with water and all air has been re leased. If the heater is NOT fille d with water when the power is turned on, the heating elements will burn out.
9 Outlet to floor drain Install into provided tapping Manual Release Lev e r Temperature Probe Temperature and Pressure Relief Valve 4. I nstall a relief valve overflow pipe to a nearby floor drain. CAUTION: No valve of any ty pe should be installed between the relief valve and tank or in the drain line.
10 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.
11 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.
12 SECTION IV – TROUBLESHOOTING Symptom Probable Cause Corrective Action / Remedy Circuit breaker tripped at source. Reset circuit breaker. High limit switch tr ipped. Reset hig h limit switch. Loose wires. Tighten wires. Torque screws per torque chart included in Section VI .
13 SECTION V - SERVICING & REPLACEMENT OF PARTS WARNING / CAUTION Before servicing or replacing any part make sure to turn the power supply switch to the OF F position. SURFACE TEMPERATURE HIGH LIMIT CUT -OFF 1. Disconnect power from unit. 2. Remove access cover.
14 IMMERSION TEMPERATURE HIGH L IMIT CUT-OFF 1. Disconnect power from unit. 2. Remove access cover. 3. Remove high limit c over screw and cover. Cover Cover Screw Reset Switch 4. Disconnect the two (2) 14 gauge wires. Wires Capillary Tube 5. Remove capilla ry tube a nd bulb from thermowell 6.
15 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 outgoing water line. 5. Drain water from tank.
16 2 L 1 L 2 L 3 L 1 L 2 Single Element Operation 3 Ø O p e n D e l t a W i r i n g f o r S i m u l t a n e o u s O p e r a t i o n 4 1 3 2 1 1 2 1 2 3 4 1 3 4 2 1 2.
17 L 1 L 2 L 1 L 2 I nterlocked for Non-Simultaneous Operation Non-Interlocked for Simultaneous Operation 1 1 1 1 2 2 2 2 3 3 4 4 4 4 1 1 2 2.
18 SURFACE MOUNTED THE RMOSTAT 1. Disconnect power from unit. 2. Remove access cover and locate t hermostat. 3. Disconnect the two (2) or three (3) 14 gauge wires and jumpers, as required. Control Wires 4. Remove two (2) mounting screws and disconnect fr om high limit cut-off, if re quired.
19 IMMERSION THE RMOSTAT 1. Disconnect power from unit. 2. Remove access cover and locate t hermostat. 3. Remove high limit c over screw and cover. Cover Cover Screw 4. Disconnect the two (2) or three (3) 14 gauge wires, as required. Wires Capillary Tube 5.
20 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 repl ace with new one. 6. Connect overflow piping.
21 SECTION VI – MISCELL ANEOUS CHARTS AND FORMULAS ELEMENT CHA RT Power (Wat ts) Element Part # 120V 208V 240V 277V 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.
22 FORMULAS.
23 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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