Gebruiksaanwijzing /service van het product COBT van de fabrikant A.O. Smith
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1 W ARNING – PROP ANE MODEL W ater heaters for propane gas are different from natural gas models. A natural gas heater will not function safely on propane gas and no attempt should be made to convert a heater from natural gas to propane gas. Propane gas must be used with great caution.
2 FOREWORD This manual is intended to be used in conjunction with other literature provided with the heater . This includes power burner and related gas control information. It is important that this manual and the additional publications be reviewed in their entirety before beginning any work.
3 GENERAL SAFETY INFORMA TION PRECAUTIONS DO NOT USE THIS APPLIANCE IF ANY P ART HAS BEEN UNDERW A TER. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water .
4 The water temperature is controlled by two thermostats. One thermostat is located near the top of the tank and the other is in the lower part of the tank.
5 The latest version of the National Electrical Code, NFP A No. 70. In Canada refer to Canadian Electrical Code C 22.1, from National Fire Protection Association, 1 Batterymarch Park, Quicy , MA 02269-9101. LOCA TING THE HEA TER When inst alling the heater, consideration must be given to proper location.
6 UNDESIRABLE OPENINGS, CAUSING POOR COMBUSTION. SOOTING MA Y RESUL T WITH AN INCREASED RISK OF ASPHYXIA TION. THERMAL EXP ANSION (CLOSED SYSTEM) Thermal expansion occurs in any hot water system when system water is heated or “recovered” during periods of non-use.
7 Where an existing chimney or vent is to be used, be sure that the chimney or vent has adequate capacity for the number and sizes of gas appliances being vented through it. Inspect the chimney or vent and remove all soot or other obstructions, which will retard free draft.
8 T ABLE 3 EQUIV ALENT LENGTH OF FITTINGS IN FEET Pipe Size (IPS) 1 1.25 1.5 2 2. 5 3 4 S td. T ee through side 5.5 7.5 9 .0 12.0 14.0 17.0 22.0 S td. E1 1 2.7 3 .7 4.3 5.5 6.5 8.0 12.0 45°F E1 1 1.2 1.6 2.0 2.5 3.0 3.7 5.0 Plug Cock 3.0 4.0 5.5 7.5 9.
9 TYPICAL WIRE DIAGRAM BTP , 270 - 2,500 KBTUH COF , 800 - 2,500 KBTUH COBT , 400 - 2,500 KBTUH TYPICAL WIRE DIAGRAM BTP , 140 - 255 KBTUH.
10 TYPICAL WIRE DIAGRAM COF , 140 - 720 KBTUH TYPICAL WIRE DIAGRAM COBT , 140 - 300 KBTUH.
11 OF ELECTRICAL SHOCK. DO NOT ENERGIZE THE BRANCH CIRCUIT BEFORE THE HEA TER T ANK IS FILLED WITH W A TER. TWO UNIT MANIFOLD INST ALLA TION Assure water flow balance of all units. Without this balance, the full water heating and storage potential of the system cannot be achieved.
12 3. The correct test instruments are: •C O 2 indicator or 0 2 analyzer • CO indicator • Stack thermometer • Draft gauge or inclined manometer • U-tube manometer or calibrated 0-10” and 0-35” w . c. pressure gauge • Combination volt/ammeter .
13 Lime accumulation not only reduces the life of the equipment but also reduces efficiency of the heater and increases fuel consumption. The usage of water softening equipment greatly reduces the hardness of the water . However , this equipment does not always remove all of the hardness (lime).
14 BURNER AIR OPENINGS OR VENTILA TION GRILLES FOR COMBUSTION AIR. REMOVE LINT ACCUMULA TION FROM AIR INT AKE GRILL. At least annually , contact a qualified service agency for burner cleaning and other routine maintenance. CLEANING FLUES-COF & COBT ONL Y The following describes how to gain access to the tank flues for cleaning if necessary .
15 W A TER HEA TER MAKES NOISE 1. Sediment or lime scale accumulations cause noises when the heater is operating. • The sounds are normal, however , the tank bottom should be cleaned. Refer to MAINTENANCE for details. 2. Some of the electrical components of the water heater make sounds, which are normal.
16 CERTIFIED F ACTOR Y ST ART - UP REQUIRED T o activate your warranty , contact your local sales represent ative or Authorized S tart-up Agent to arrange for a FREE Certified S tart-up. A.O. Smith Corporation, the warrantor, extends the following LIMITED W ARRANTY to the owner of this water heater.
Een belangrijk punt na aankoop van elk apparaat A.O. Smith COBT (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen A.O. Smith COBT heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens A.O. Smith COBT vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding A.O. Smith COBT leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over A.O. Smith COBT krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van A.O. Smith COBT bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de A.O. Smith COBT kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met A.O. Smith COBT . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
