Manuale d’uso / di manutenzione del prodotto T del fabbricante Hubbell Electric Heater Company
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OPERATING AND MAINTENANCE MANUAL FOR COMMERCIAL INDIRECT POWERED WATER HEATER ELECTRIC HEATER COMPANY BASE MODEL “ T ”.
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 C ONTENTS SECTION TITLE PAG E # I GENERAL DESCRI P TION AND CONSTRUCTI ON 5 I I 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 HOOTING 15 V SERVICI NG.
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5 SECTION I - GENERAL DESCRIPTION AND CONST RUCTION GENERAL DESCRIPTION This book describes a packaged boiler water powered indirect water heater that is a stationary , self- contained unit.
6 CONTROL THERMOS TAT The water heater is supplied with an immer sion thermostatic switch. The thermostat can be adjusted through a range of 120° - 140° F. OPTIONA L BACK- UP ELECTRIC HEATING SYSTEM Back-u p Electri c Heating E lement The water he ater may be supplied with an e lectric imme rsion heating element assembly( s).
7 Temperature Hig h Limit S witch As a safety device, either a surface mounted hig h temperature cut-off switch with manual reset, factory set at 190° F, or an immersion high temperature cut-off switch with manual reset, factory set at 180° F, may be provided.
8 SECTION II – INSTALLATION WARNING / CAUTION DO NOT TURN ON THE BOI LER WATER SUPPL Y to this equipment until heater is completely filled with water and all air has be en rele ased. If the heate r is NOT filled with water when the power is turned on, damage to the heating coil may result.
9 PIP ING INSTALLATION NOTE: The most effect ive means for preventing deteriorat ion from accelerated corrosi on due to galva nic and stray curre nt is the installation of dielectric fittings/unions. The installation of these fittings is the responsibility of the installing contractor.
10 4. I nstall the combination temperature and pressure safety relief valve in the tapping provided. Note that this is required by law for safety considerations. Outlet to floor drain Install into provided tapping Manual Release Lev e r Temperature Probe Temperature and Pressure Relief Valve 5.
11 ELECTRICAL IN STALLATION 1. Connect electr ical wiring from boiler c ontrols and circ ulator pump to immersion ther mostat. 2. If supplied with a back-up el ectric heating elem ent; enter electri c enclosure with properl y sized feeder leads. Be sure to properly ground the water heater.
12 SECTION III - SCHEDULED MAINTE NANCE AND OPERATION WARNING / CAUTION Before performing any maintenance procedure, make certain boiler water and electric supply is OF F and cannot accidentally be turned on. MAINTENANCE AND OPERATION The water heater is automatic in its operation.
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.
14 SECTION IV – TROUBLESHOOTING Symptom Probable Cause Corrective Action / Remedy T u b es a r e f o u l e d . C l e a n t u b e s p er S e c t i o n III, a nnual scheduled maintenance. Gradual loss of heating capacity. Excess silt in bottom of tank.
15 BACK -UP ELECTRCIAL HEATER SYSTEM (if supplied) 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 .
16 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. RELIEF VALVE 1. Disconnect power from unit. 2. Shut off incoming water and boiler water supply .
17 HEATING COIL 1. Disconnect power from unit. 2. Shut off incoming cold and boiler 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.
18 SURFACE TEMPERATURE HIGH LIMIT CUT-OFF (if supp lied) 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 jumper, as required. Control Wires 4. Remove the two (2) mounting screws or disconnect from thermostat, as required.
19 IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF (if supplied) 1. Disconnect power from unit. 2. Remove access cover. 3. Remove high limit c over screw and cover. Cover Cover Screw Reset Tab 4. Disconnect the two (2) 14 gauge wires. Wires Capillary Tube 5.
20 HEATING ELEMENT (if supplie d) 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.
21 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 1 3 4 2 1 2.
22 L 1 L 2 L 1 L 2 I nterlocked for Non-Simultaneous Operation Non-I nterlocked for Simultaneous Operation 1 1 1 1 2 2 2 2 3 3 4 4 4 4 1 1 2 2.
23 SURFACE MOUNTED THERMOS TAT (if sup plied) 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.
24 IMMERSION THERMOSTAT ( if supplied) 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.
25 SECTION VI – MISCELL ANEOUS CHARTS AND FORMULAS FORMULAS.
26 T Model – Coil Curves.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Hubbell Electric Heater Company T è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Hubbell Electric Heater Company T - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hubbell Electric Heater Company T imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hubbell Electric Heater Company T ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hubbell Electric Heater Company T, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Hubbell Electric Heater Company T.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hubbell Electric Heater Company T. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hubbell Electric Heater Company T insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
