Benutzeranleitung / Produktwartung Dve-52/80/120 des Produzenten A.O. Smith
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1 Instruction Manual PRINTED IN THE U . S .A 0908 196674-002 PLACE THESE INSTRUCTIONS ADJACENT TO HEA TER AND NOTIFY OWNER T O KEEP FOR FUTURE REFERENCE. COMMERCIAL ELECTRIC W A TER HEA TERS Th ank you for buy in g th is ener gy ef ci ent wat er hea te r .
2 SAFE INS T ALLA TION, USE, AND SER VICE The proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard.
3 GENERAL SAFETY INFORMA TION When servicing this unit, verify the power to the unit is turned off prior to opening the control cabinet door . PRECAUTIONS DO NOT USE THIS APPLIANCE IF ANY P ART HAS BEEN UNDER W A TER.
4 Thank Y ou for purchasing this water heater . Properly installed and maintained, it should give you years of trouble free service. Abbreviations Found In This Instruction Manual: • ANSI - American.
5 DIMENSIONS AND CAP ACITIES DA T A Model Number T ank Capacity in Gallons (Liters) A - Inches (mm) B - Inches (mm) C - Inches (mm) Inlet/Outlet DRE/DVE-52 50 (189.3) 55 3/4 (1416) 21 3/4 (552) 27 (685) 1 1/4 DRE/DVE-80 80 (302.8) 60 1/4 (1350) 25 1/2 (648) 31 (787) 1 1/4 DRE/DVE-120 1 19 (450.
6 APPROV ALS MODEL AND RA TING All models meet National Sanitation Foundation NSF-5 requirements. All models are listed by Underwriters Laboratories Inc.
7 FEA TURES AND COMPONENTS ELECTRONIC CONTROL MODELS FIGURE 1.
8 FEA TURES AND COMPONENTS SURF ACE MOUNT CONTROL MODELS FIGURE 2.
9 F ACTS TO CONSIDER ABOUT THE LOCA TION Carefully choose a location for the new water heater . The placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the appliance.
10 INST ALLA TION REQUIRED ABILITY Inst allat ion and servic e of this water heate r requires abil ity equiv alent to that of a qualied agency (page 2) in the eld involved.
11 m an uf ac t ur e r . T he v al ve i s ce r t i f ie d by a na ti o na ll y re c o gn iz ed te stin g lab or ator y t hat mai nta ins p er iod ic in spe cti on o f p rod uct io n of l is te d e q ui pm e nt o f ma te r ia ls as m ee ti n g t he re q ui re m en ts f or Re li ef Val ve s f or H ot W at er Su pp l y S ys te ms , A N SI Z 21.
12 ELECTRICAL GENERAL The installation must conform with these instructions and the local code authority having jurisdiction and the requirements of the power company . In the absence of local codes, the installation must comply with the current editions of the National Electrical Code, NFP A 70 or the Canadian Electrical Code CSA C22.
13 AMPERAGE T ABLE/OVERCURRENT PROTECTION The tables above provides the total connected heating element load in amperes for branch circuit conductor and overcurrent protection sizing. Single-phase heaters are two wire circuits. Three-phase heaters are three wire circuits.
14 CCB (CENTRAL CONTROL BOARD) CIRCUIT BOARD CONTROL CIRCUIT DIAGRAM - ELECTRONIC CONTROL MODELS FIGURE 3. WIRING DIAGRAMS.
15 DIAGRAM 1. WIRING DIAGRAMS POWER CIRCUIT DIAGRAMS - ELECTRONIC CONTROL MODELS The water heater ’s electrical components are pictured and identied on page 7. The following describes the heater circuits and includes wiring diagrams. All heater circuits are designed for 60/50 hertz alternating current.
16 WIRING DIAGRAMS NINE ELEMENT - SINGLE AND THREE PHASE CONVERSION TO SINGLE PHASE When the heater is shipped for connection to a three-phase electrical service, it may be connected to a single-phase electrical service of the same voltage by: 1. Disconnect blue wires and yellow wires from terminal L3.
17 WIRING DIAGRAMS POWER CIRCUIT DIAGRAMS - SURF ACE MOUNT CONTROL MODELS The water heater ’s electrical components are pictured and identied on page 8. The following describes the heater circuits and includes wiring diagrams. All heater circuits are designed for 60/50 hertz alternating current.
18 WIRING DIAGRAMS CONVERSION TO SINGLE PHASE When the heater is ship ped for connecti on to a three -phas e electrica l service, it may be connected to a single-phase electrical service of the same voltage by: 1. Disconnect blue wires from terminal L2.
19 OPERA TION GENERAL Refer to the Features and Components section of this manual (pages 7 & 8) for the location of components mentioned in the instructions that follow .
20 HIGH TEMPERA TURE LIMIT CONTROLS (ECO) Both the ELECTRONIC CONTROL and SURF ACE MOUNT CONT ROL model water heater s are equipp ed with one or more ECO (energy cut off) non adjustable high temperature limit control(s). An ECO is a normally closed switch that opens (activates) on a rise in temperature.
21 THERMOS T A T SETTINGS - ELECTRONIC CONTROLS Th ese mode ls are equ ipp ed with an elec tr oni c con tr ol s ys tem . T he co ntr ol sy ste m sen se s temp er at ure from a fac tor y ins ta lle d Imm ers io n T emperature Probe (see Figure 1). The “Operating Set Point” is ad jus te d to con t ro l wat e r te mpe r at u re .
22 Menu : The left Operat ional Button is pres sed to enter the Main Menu where all control system menus are accessed. See T able 3 for a list of control system menus.
23 TEMPERA TURES MENU Operating Set Point User adjustable setting 90°F to 190°F range; factory default is 120°F . When the water temperature sensed by the control system from the immersion T emperature Probe reaches the Operating Set Point the control system will end the heating cycle.
24 Differential Settings Adjustable user setting(s) 1°F to 20° range; factory default is 2°F . The wa te r heat ers co ver ed i n this I ns tr uc tio n Manu al will hav e 3, 6 or 9 hea ti ng elem en ts . Eac h gro up of 3 heat in g ele me nt s is on e “Ba nk ” of heating elements.
25 HEA TER ST A TUS MENU This menu displays non adjustable operational information. This menu con tain s more inform atio n that can be disp laye d on one scre en of the LCD display . Use the Up & Down Buttons to navigate to the bottom of this menu.
26 “Normal Operation All Day” - “Economy Mode All Day” and “Normal Operation Between.” Only one Operating Mode can be active, the factory default is Normal Operation All Day . Normal Operation All Day: When this operating mode is active the normal Operating Set Point is used for the entire day .
27 ECONOMY MODE SETTINGS Time Clock Settings ACTION DISPLA Y From the Desktop Screen navigate to the Economy Mode Setup menu. Use the Up/Down buttons to select (highlight in black) Current T ime sub menu. Press the Operational Button underneath “CHANGE” to enter the Current T ime sub menu.
28 ECONOMY MODE SETTINGS Daily Operating Mode Settings ACTION DISPLA Y Economy Mode All Day: From the Economy Mode Setup menu use the Up/Down buttons to select (highlight in black) the Daily sub menu for “Sun.” Press the Operational Button underneath “CHANGE” to enter this menu.
29 ALARM OUTPUT SETUP MENU Perm its user to set the condit ion (from a list of option s) for when th e CC B’ s int eg ra l a la rm ou tp ut re la y wi ll be ene rgi ze d. Ala rm rel ay co nn e ct io ns ( co mm on , no rm al ly ope n, no rm all y c lo se d) a re lo ca ted on t he J 3 ter mi nal st rip o n the C CB .
30 Elapsed Time T otal accumulated time the control system (water heater) has been energized. T otal Heating Time T otal accumulated time the control system has been in the heating mode. IE: any heating elements have been energized. Bank # Cycles T otal accumulated count of heating cycles for each Bank of heating elements.
31 Restore Factory Defaults ACTION DISPLA Y From the Main Menu use the Up/Down buttons to select (highlight in black) the “Restore Factory Defaults” menu. Press the Operational Button underneath “SELECT .” The Restore Factory Defaults menu will be displayed.
32 its diameter is 3/8” (1 cm) of an inch, or annually which ever is rst. Aggressive, very hot and softened water causes rapid consumption of the anode requiring frequent inspections. Call the toll free number on the back cover of this manual for information on obtaining replacement anode rods.
33 TROUBLESHOOTING CHECKLIST CHECKLIST Before calling for service, check the following points to see if the cause of trouble can be identied and corrected. Reviewing this checklist may eliminate the need of a service call and quickly restore hot water service.
34 LEAKAGE CHECKPOINTS INSTRUCTIONS: USE THIS ILLUSTRA TION AS A GUIDE WHEN CHECKING FOR SOURCES OF W A TER LEAKAGE. All water which appears at the heater bottom or on the surrounding floor may be caused by condensation, loose connections or relief valve operation and leakage.
35 PIPING DIAGRAMS ONE TEMPERA TURE WITH CIRCULA TING LOOP INSERT B V ACUUM RELIEF V ALVE. INST ALL PER LOCAL CODES. *PIPE TO OPEN DRAIN INST ALL IN ACCORDANCE WITH ALL LOCAL CODES.
36 PIPING DIAGRAMS INSERT B V ACUUM RELIEF V ALVE. INST ALL PER LOCAL CODES..
37 PIPING DIAGRAMS INSERT B V ACUUM RELIEF V ALVE. INST ALL PER LOCAL CODES..
38 PIPING DIAGRAMS INSERT B V ACUUM RELIEF V ALVE. INST ALL PER LOCAL CODES. ONE TEMPERA TURE ONE HEA TER VERTICAL ST ORAGE T ANK FORCED CIRCULA TION WITHOUT BUILDING RECIRCULA TION TWO TEMPERA TURE W.
39 PIPING DIAGRAMS TWO HEA TERS WITH HORIZONT AL ST ORAGE T ANK WITH OR WITHOUT BUILDING RECIRCULA TION INSERT B V ACUUM RELIEF V ALVE. INST ALL PER LOCAL CODES.
40 PIPING DIAGRAMS THREE HEA TERS WITH HORIZONT AL STORAGE T ANK WITH OR WITHOUT BUILDING RECIRCULA TION THREE HEA TERS WITH VERTICAL STORAGE T ANK WITH OR WITHOUT BUILDING RECIRCULA TION INSERT B V ACUUM RELIEF V ALVE.
41 PIPING DIAGRAMS FOUR HEA TERS WITH VERTICAL STORAGE T ANK WITH OR WITHOUT BUILDING RECIRCULA TION FOUR HEA TERS WITH HORIZONT AL ST ORAGE T ANK WITH OR WITHOUT BUILDING RECIRCULA TION INSERT B V ACUUM RELIEF V ALVE.
42 PIPING DIAGRAMS MANIFOLD KITS ALL DIMENSIONS IN INCHES MANIFOLD KITS TWO HEA TERS T ank Capacity (gallons) Part Number H W D A 52 9003429205 66 1/4 56 3/4 27 1/4 13 1/4 80 9003429205 70 1/2 60 1/4 .
43 W ARRANTY A. O. Smith Corporation, the warrantor , extends the following LIMITED WARRANTY to the owner of this water heater: 1. THE T ANK If the glass-lined tank in this water heater shall prove up.
44 500 T ennessee Waltz Parkway , Ashland City , TN 37015 T echnical Support: 800-527-1953 • Parts: 800-433-2545 • Fax: 800-644-9306 www .hotwater.
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