Hubbell Electric Heater Company V10 User Manual

OPERATING AND MAINTENANCE MANUAL FOR ELECTRIC INDUSTRIAL PROCESS WATER HEATER ELECTRIC HEATER COMPANY BA

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

11 4. Install the combination temperature and pressure safety relief valve in the tapping provided. Note that this is required by law for safety

12 FINAL CHECKS 1. Check all connections for tightness. 2. Ensure that all the above steps are completed 3. After the water is heated for the

13 1 – Terminal Block 2 – Magnetic Contactor 3 – Heating Element 4 – Low Water Cut-Off, if supplied 5 – Transformer, 480-Volt/240-Volt, installed

14 1 – Terminal Block 2 – Magnetic Contactor 3 – Heating Element 4 – Low Water Cut-Off, if supplied 5 – Transforme

15

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

17ANNUAL 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

18 SECTION IV – TROUBLESHOOTING Symptom Probable Cause Corrective Action / Remedy Circuit breaker tripped at source. Reset circuit breaker. Blow

19Faulty thermostat. Check thermostat adjustment. Monitor thermostat as described in Section III, Quarterly Inspection. Replace if necessary. Heat

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

21IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF 1. Disconnect power from unit. 2. Remove access cover. 3. Remove high limit cover screw and cover.

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

23 IMMERSION 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 Power (kW) Resistance (Ohms) Element Part # 208V 240V 480V Immersion Length Ha

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.

3 TABLE OF CONTENTS SECTION TITLE PAGE #

4

5SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION GENERAL DESCRIPTION This booklet describes an electric water heater designed for use in an indus

6 CONTROL THERMOSTAT The water heater is supplied with a single stage immersion thermostatic switch that is installed and wired at the factory. The

7 OUTER SHELL, INSULATION, AND SUPPORTS The tank is encapsulated in 2-inches of high-density fiberglass insulation. The protective shell is constru

8 Dial Temperature and Pressure Gauge A combination temperature (70° - 250° F) and pressure (0 – 200 psi) gauge with 2½-inch dial may be supplied fo

9Building Management System (BMS) A Building Management System control package may be supplied for remote operation and alarm capabilities. Pump I