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OPERATING AND MAINTENANCE MANUAL FOR ELECTRIC STAINLESS STEEL HEATER FOR DEIONIZED (DI) WATER ELECTRIC HEATER COMP

10 Outlet to floor drain Install into provided tapping Manual Release Lever

11THERMOSTAT SETTING (BULB AND CAPILLARY IMMERSION TYPE) The bulb and capillary type thermostat is immersed in a Type 316L stainless steel well in

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

13ANNUAL 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

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

15Faulty thermostat. Check thermostat adjustment. Monitor thermostat as described in Section III, Quarterly Inspection. Replace if necessary. Heat

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

17IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF 1. Disconnect power from unit. 2. Remove access cover. 3. Remove high limit cover screw and cover.

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

21MAGNETIC CONTACTOR 1. Disconnect power from unit. 2. Disconnect line and load wires to contactor. 3. Disconnect two (2) 14 gauge control circu

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.

23SECTION VI – MISCELLANEOUS CHARTS AND FORMULAS ELEMENT CHART Power (kW) Resistance (Ohms) Element Part # 208V 240V 480VImmersion Length

24 TORQUE 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 #

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

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 AND INSULATION The tank is encapsulated in 2-inches of high-density fiberglass insulation. The protective shell is constructed of ga

8 Individually Fused Elements To prevent the possibility of damage to control circuits and other elements in case of electrical overloads, fuses may

9SECTION II – INSTALLATION WARNING / CAUTION DO NOT TURN ON THE ELECTRIC POWER SUPPLY to this equipment until heater is completely filled with w