Hubbell Electric Heater Company ME manual

OPERATING AND MAINTENANCE MANUAL FOR MARINE ELECTRIC WATER HEATER ELECTRIC HEATER COMPANY BASE MODEL “ ME ”[...]

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. Tank is to be complete ly fille d with water and a ll air is to be vente d bef[...]

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 12 I V TROUBL ES HOOTI NG 14 V SERVICI NG AND REPLACEMENT OF PARTS 15 VI MI SCELL ANEOUS C HARTS AND FORMULAS 23 VI I ABS TYPE APPROVAL PROGRAM 26[...]

4[...]

5 SECTION I - GENERAL DESCRIPTION AND CONST RUCTION GENERAL DESCRIPTION This book describes a packaged electric water heater, approved by ABS Americas (A Division of the American Bureau of Shipping) and the USCG (United States Coast Guard), which is a stationary , self contained unit and is designed and constructed specifically for marine applicati[...]

6 CONTROL THERMOS TAT The water heater is supplied with either a surface mounted or immersion thermostatic switch that is installed and wired at the factory . See drawing for specific details. The surface mounted thermostat can be adjusted through a range of 110° - 170° F . The immersion thermostat can be adjusted through a range of 100° - 190°[...]

7 OPTIONS The following optional features may be included in y our water heater. Reference included drawing specific to y our heater for further details. Low Water Cut-Off Used as a safety device, the electronic low wat er cut- off is used to detect a low water situation and disenga ge the operating coils in the magnetic contactor(s). Once the cond[...]

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. For protection against excessive pressures and temperature[...]

9 Mounting Dimensions Tank Diameter “A” Overall Diameter “B” Bolt Circle “C” Bulkhead Mounting Dimension “D” Gallon Capacity 16 20 12 None 10 16 20 12 None 20 16 20 12 None 30 16 20 12 12 40 18 3/4 22 3/4 16 12 50 22 26 16 12 65 22 26 16 12 80 24 28 18 12 100 24 28 18 12 120[...]

10 PIP ING INSTALLATION NOTE: The most effect ive means for preventing deteriorat ion from accelerated corrosi on due to galva nic and stray curr ent is the installation of dielectric fittings/unions. The installation of the se fittings is the responsibility of the installing contractor. 1. Connect the cold water inlet and hot water outlet to the a[...]

11 ELECTRICAL IN STALLATION 1. Enter junction box with properly sized feeder leads. Sing le-phase installations require two (2) leads; three phase installations require three (3) leads. 2. Connect these power leads to wires enclosed in junction box with wire nuts. 3. All other elect rical connections are m ade at the factory; therefore, no other el[...]

12 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. I t will maintain a full tank of water at the temperature setting of the thermostat. The[...]

13 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. L et water run for 3-4 minutes. e. Close drain valve. f. Open hot water valve.[...]

14 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 . Heating element inoperable. Ch eck he ati ng e le men t ope rat i on b[...]

15 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. 3. Disconnect the four (4) 14 gauge wires or three (3) 14 g auge wires and a jumpe[...]

16 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. Remove two (2) mounting screws. Mounting Screws 7. Remov[...]

17 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. 6. Disconnect the wires from the heating elem ent terminal s. Tank Flange Wires 7. Remove the[...]

18 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 3 2 1 1 2 1 2 3 4 1 3 4 2 1 2 1 1[...]

19 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[...]

20 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. Mounting Screws 5. Replace thermost at using the reverse p[...]

21 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. Remove capilla ry tube a nd bulb from thermowell. 6. Remove two (2) mounting screws. Mountin[...]

22 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. 7. Turn on incoming water supply and check for leaks. 8. Turn safety switch[...]

23 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" 10.82 CH-FO-508 ---- 5000 ---- ---- ---- 13 1/4" 8.65 CH-FO-608 2000 6000 -[...]

24 FORMULAS[...]

25 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 8.1 7.8 5-44 9.4 7.7 8.7 5.1 9.8 9.6 6-32 9.6 7.9 8.9 5.3 10.1 9.8 6-40 12.1 9.9 11.2 6.6 12.7 12.3 8[...]

26 SECTION VII – ABS TYPE APPROVAL P ROGRAM[...]

27[...]

28[...]

29[...]

30[...]