Manuale d’uso / di manutenzione del prodotto Solar Water Heater del fabbricante Bradford-White Corp
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238-47073-00B REV 2/08 S OLAR W ATER H EATER WITH E LECTRIC B ACKUP A Spanish language version of these instruct ions is available by contacting the manufacturer listed on the rating plate. La version espanola de estas instruccions se puede obtener al escr ibirle a la fábrica cuyo nombre aparece in la placa de especificaciones.
2 CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation, operation, and instruction manual will explain in detail the installation and maintenance of your new Solar Water Heater. We strongly recommend that you contact a plumbing professional for the installation of this water heater.
3 SECTION I IMPORTANT INFORMATION -READ CAREFULLY- The equipment must be installed in accordance with those installation regulations required in the area where the installation is to be made. These regulations must be carefully followed in all cases. Authorities having jurisdiction shall be consulted before installations are made.
4 Important Information continued- DANGER DO NOT store or use gasoline or other flammable, com bustible, or corrosive vapors and/or liquids in the vicinity of this or any other appliance. IF YOU SMELL GAS: DO NOT try to light any appliance. DO NOT touch any electric switch; do not use any telephone in your building.
5 Important Information continued- WARNING It is the responsibility of the installing contractor to see that all controls are correctly installed and are operating properly when the installation is complete. DO NOT operate the water heater with jumpered or absent controls or safety devices.
6 SECTION II SPECIFICATIONS LOWER CO VE R: SO LAR T HER M I S TOR W IR ES, LOWE R HEATIN G EL EMENT UNDER COVE R DRAIN COUPL ING-3/4" NPT DRAIN VAL VE- 5/8" NH TO SO LAR C O LLEC TO R -1 &qu.
7 Specifications continued- Table 2: Water Heater Capacities MODEL Tank Capacity (Gal) Coil Volume (Gal) Coil Heat Transfer Area (Sq Ft) Approximat e Dry Weight (Lbs) Approximate Wet Weight (Lbs) 60-Gal. 60 2.5 14.2 210 695 75-Gal. 75 2.5 14.2 236 832 115-Gal.
8 SECTION III GENERAL INFORMATION FEATURES This water heater contains the following features: HEAT EXCHANGER – The heat exchanger (coil) is made of porcelain coated single-wall carbon steel tubing and has 1” NPT female fittings.
9 General Information continued- SACRIFICIAL ANODES — Two sacrificial anode rods have been insta lled in the tank head to extend tank life. The anode rods should be inspected annually to determine the amount of sacrificial decay and replaced when necessary to prolong tank life.
10 SECTION IV PRE-INSTALLATION UNPACKING INSPECT SHIPMENT carefully for any signs of damage. If damage is noted, do not install the product. Contact the shipper or manufacturer listed on the rating plate. All equipm ent is carefully manufactured, inspected, and packed.
11 Pre-installation continued- SOLAR WATER HEATING WITH ELECTRIC BACKUP FUNDAMENTALS The solar heating system puts the most am ount of heat into the storage tank when the bottom of the tank is cool. That is where the internal heat exchanger is located.
12 SECTION V WATER CONNECTIONS INSTALL TEMPERATURE AND PRESSURE RELIEF VALVE (if not factory installed) INSTRUCTIONS FOR POTABLE CONNECTIONS 1. BEFORE PROCEEDING WITH THE INSTALLATI ON, CLOSE THE MAIN WATER SUPPLY VALVE.
13 Water Connections continued- INSTRUCTIONS FOR SOLAR CONNECTIONS The solar water heater connection labeled “TO SOLAR CO LLECTOR” should be piped to the solar return piping. The use of a union and a shut-off valve is recommended. Pi pe and fittings between the solar system and the water heater should be ¾” diameter or larger.
14 Water Connections continued- 2. For a drainback solar heating system, refer to Figur e 4. The solar water heater connection labeled “FROM SOLAR COLLECTOR” should be piped to the solar collector supply piping. Mount the circulator making sure the flow arrow points toward the water heater.
15 Water Connections continued- TWO-TANK SYSTEM INSTALLATION THE TYPICAL TWO-TANK SYSTEM A typical two-tank system is provided in Figure 5. This system holds two separate volumes of water. The cold water supply is delivered to the solar water heater. If solar ener gy is available, the water in the solar heater is heated.
16 Water Connections continued- Figure 6 – Replacing the Solar Water Heater in a Two-tank Installation To replace the previous solar water heater with the new sola r water heater with electric backup, remove the previous solar water heater. The external heat exchanger and pump can also be rem oved.
17 Water Connections continued- Figure 7 – Replacing the Backup Water Heater in a Two-tank Installation To replace the previous backup water heater with the new solar water heater with electric backup, remove the backup water heater.
18 SECTION VI ELECTRICAL CONNECTIONS Install electric wiring in accordance with the National El ectric, ANSI/NFPA 70, and /or the CSA C22.1 Electric Code, latest editions.
19 Electrical Connections continued- Refer to Figure 8 for connecting the thermistor and pressi ng it against the tank. This figure illustrates the opening under the upper control cover. While the lower control loca tion does not hold a thermostat, the process is the same.
20 SECTION VII OPERATING INSTRUCTIONS SYSTEM START-UP Follow solar collector installation instructions to place collect or in operation. Ensure that solar fluid flow operation is established for the installed system. SEQUENCE OF HEATING OPERATIONS -SOLAR AND ELECTRIC BACKUP 1.
21 Operating Instructions continued- The minimum potable water tem perature can be changed by adjusting the thermostat. Before any work is done on the water heater, disconnect all power to the water heater a nd heat source (solar collector) by opening the switch(s) at the main electrical circuit breaker or fuse box.
22 SECTION VIII MAINTENANCE This solar water heater is intended to provide a service life of many years. Components that require service, however, may be subject to failure. Failure to use the correct procedures or parts in these circumstances may make the water heater unsafe.
23 Maintenance continued- 4. Sediment (Annual, but harsh water qu ality may dictate more frequent service) - Depending on water conditions, a varying amount of sediment may collect in the tank. Levels requiring service are indicated by a small temperature difference in the supply and return lin es (See also “Scale” below).
24 SECTION IX TROUBLESHOOTING GUIDE PROBLEM CAUSE SOLUTION ECO on thermostat tripped Determine if ECO trip is a result of excessive solar heat or electric element.
25 SECTION X PARTS LIST PART NAME & DESCRIPTION 1. Hole Closure 11. Element Gasket 2. Hex Head Anode 12. Thermostat with ECO (89T33) 3. Integrated Mixing Device 13. Thermostat Mounting Bracket 4. Hot Water Outlet/Anode 14. Heating Element 5. Cold Water Inlet Diptube 15.
26 Contact your supplier or plumbing professional for replacemen t parts or contact the company at the address given on the rating plate of the water heater.
27 SECTION XI --NOTES—.
28 SECTION XI --NOTES—.
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 Bradford-White Corp Solar Water Heater 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 Bradford-White Corp Solar Water Heater - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bradford-White Corp Solar Water Heater imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bradford-White Corp Solar Water Heater ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bradford-White Corp Solar Water Heater, 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 Bradford-White Corp Solar Water Heater.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bradford-White Corp Solar Water Heater. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bradford-White Corp Solar Water Heater 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.
