Hubbell Electric Heater Company MSE User Manual

OPERATING AND MAINTENANCE MANUAL FOR MARINE ELECTRIC WATER HEATER ELECTRIC HEATER COMPANY BASE MODEL “ MS

10 SECTION II – INSTALLATION WARNING / CAUTION DO NOT TURN ON THE ELECTRIC POWER SUPPLY to this equipment until heater is completely filled with

11 Mounting Dimensions Tank Diameter “A” Overall Diameter “B” Bolt Circle “C” Bulkhead Mounting Dimension “D” Gallon Capacity 16 20 12 None

12 PIPING INSTALLATION NOTE: The most effective means for preventing deterioration from accelerated corrosion due to galvanic and stray current i

13ELECTRICAL INSTALLATION 1. Enter electric enclosure with properly sized feeder leads. Be sure to properly ground the water heater. 2. Instal

14 SECTION III - SCHEDULED MAINTENANCE AND OPERATION WARNING / CAUTION Before performing any maintenance procedure, make certain power supply is

15ANNUAL INSPECTION 1. Flush tank as follows a. Shut off power supply. b. Close valve on hot water outlet piping. c. Open valve on drain pipi

16 SECTION IV – TROUBLESHOOTING Symptom Probable Cause Corrective Action / Remedy Circuit breaker tripped at source. Reset circuit breaker. On/Of

17Faulty thermostat. Check thermostat adjustment. Monitor thermostat as described in Section III, Quarterly Inspection. Replace if necessary. Blow

18 SECTION V - SERVICING & REPLACEMENT OF PARTS WARNING / CAUTION Before servicing or replacing any part make sure to turn the power supply

19IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF 1. Disconnect power from unit. 2. Remove access cover. 3. Remove high limit cover screw and cover.

2 HUBBELL ELECTRIC HEATER COMPANY P.O. BOX 288 STRATFORD, CT 06615 PHONE: (203) 378-2659 FAX: (203) 378-3593 INTERNET: http://www.hubbe

20 HEATING ELEMENT 1. Disconnect power from unit. 2. Shut off incoming water supply. 3. Attach hose to drain connection. 4. Lift manual release

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22 SURFACE MOUNTED THERMOSTAT 1. Disconnect power from unit. 2. Remove access cover and locate thermostat. 3. Disconnect the two (2) 14 gauge wi

23IMMERSION THERMOSTAT 1. Disconnect power from unit. 2. Remove access cover and locate thermostat. 3. Remove high limit cover screw and cover.

24 MAGNETIC CONTACTOR 1. Disconnect power from unit. 2. Disconnect line and load wires to contactor. 3. Disconnect two (2) 14 gauge control circu

25RELIEF VALVE 1. Disconnect power from unit. 2. Shut off incoming water supply. 3. Lift test lever on relief valve to relieve pressure in tank.

26 SECTION VI – MISCELLANEOUS CHARTS AND FORMULAS ELEMENT CHART Resistance (Ohms) Element Part # Immersion Length Hairpin 1 Φ 3 Φ DELTA 3 Φ WYE

27TORQUE VALUES BOLT SIZE 18-8 S/S IN.-LBS. BRASS IN.-LBS. SILICONBRONZE IN.-LBS. ALUMINUM2024-T4 IN.-LBS. 316 S/S IN.-LBS. MONEL IN.-LBS. 4-40 5.

28 SECTION VII – ABS TYPE APPROVAL PROGRAM

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3 TABLE OF CONTENTS SECTION TITLE PAGE #

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5SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION GENERAL DESCRIPTION This book describes a packaged electric water heater, approved by ABS Americ

6 CONTROL THERMOSTAT The water heater is supplied with either a surface mounted or immersion thermostatic switch that is installed and wired at the

7MAGNETIC CONTACTOR The magnetic contactor(s) is a heavy-duty resistive load type rated for 100,000 cycles. The contactor supplies power to the hea

8 Fused Low Voltage Transformer A fused low voltage transformer may be supplied. This option is used to step down higher voltages to 120-volt for th

9 On/Off Switch A built-in non-fused On/Off disconnect switch may be supplied with the control panel to disconnect power to the control panel contr