Manuel d'utilisation / d'entretien du produit DRE du fabricant A.O. Smith
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1 COMMERCIAL ELECTRIC W A TER HEA TERS CAUTION TEXT PRINTED OR UNDERLINED IN RED CONT AINS INFORMA TION RELA TIVE TO YOUR SAFETY . PLEASE READ THOROUGHL Y BEFORE A TTEMPTING ANY CONVERSION. PRINTED IN U.S.A. 0906 P ART NO. 196674-001 A DIVISION OF A.O.
2 Rough-in-Dimensions Model Number T ank Cap acity in Gallons A B Inlet/Outlet DRE/DVE-52 50 55 1/4 21 3/4 1 1/4 DRE/DVE-80 80 59 1/2 25 1/4 1 1/4 DRE/DVE-120 1 19 62 1/4 29 1/2 1 1/4 Get to know your.
3 Contents Page ROUGH-IN-DIMENSIONS ....................................... 2 GET TO KNOW YOUR W ATER HEA TER ............... 2 RECOVERY CAP ACITY ........................................... 3 APPROV ALS ...............................................
4 Model and Rating Foreword Detailed installation diagrams are in this manual. These diagrams will serve to provide the installer with a reference for the materials and method of piping suggested. IT IS NECESSARY THA T ALL W A TER PIPING AND THE ELECTRICAL WIRING BE INST ALLED AND CONNECTED AS SHOWN IN THE DIAGRAMS.
5 Inst allation REQUIRED ABILITY INST ALLA TION OR SERVICE OF THIS W A TER HEA TER REQUIRES ABILITY EQUIV ALENT TO THA T OF A LICENSED TRADESMAN IN THE FIELD INVOL VED. PLUMBING AND ELECTRICAL WORK ARE INVOL VED. GENERAL The installation must conform to these instructions and the local code authority having jurisdiction.
6 The pressure setting of the relief valve should not exceed the pressure capacity of any component in the system. The temperature setting of the relief valve should not exceed 210°F . An unplugged 3/4" relief valve opening is provided for installing temperature and pressure relief valve.
7 Piping Diagrams ONE TEMPERA TURE WITH CIRCULA TING LOOP INSERT B V ACUUM RELIEF V AL VE. INST ALL PER LOCAL CODES. CAUTION: IF BUILDING COLD W ATER SUPPL Y HAS A BACK- FLOW PREVENTER, CHECK V A L VE OR WA TER METER WITH CHECK V A L VE. PROVISIONS FOR THERMAL EXP ANSION OF W A TER IN THE HOT W A TER SYSTEM MUST BE PROVIDED.
8 INSER T B V ACUUM RELIEF V AL VE. INST ALL PER LOCAL CODES. DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE A T FIXTURES. SEE WA TER TEMPERA TURE CONTROL WARNING ON P AGE 6. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY T O O BTAIN ADEQUATE BOOSTER OUTPUT , A DD AN ANTI-SCALD V AL VE FOR HOT WA TER SUPPLIED TO FIXTURES.
9 INSER T B V ACUUM RELIEF V AL VE. INST ALL PER LOCAL CODES. DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE AT FIXTURES. SEE W A TER TEMPERATURE CONTROL WARNING ON P AGE 6. IF HIGHER PREHEAT TEMPERA TURES ARE NECESSARY TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD AN ANTI-SCALD VA LVE FOR HOT WA TER SUPPLIED T O FIXTURES.
10 ONE TEMPERA TURE ONE HEA TER VERTICAL ST ORAGE T ANK FORCED CIRCULA TION WITHOUT BUILDING RECIRCULA TION TWO TEMPERA TURE WITH MIXING V AL VE AND CIRCULA TING LOOP INSER T B V ACUUM RELIEF V ALVE.
11 INSER T B V ACUUM RELIEF V ALVE. INST ALL PER LOCAL CODES. DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE A T FIXTURES. SEE WA TER TEMPERA TURE CONTROL WARNING ON P AGE 6. IF HIGHER PREHEA T TEMPERA TURES ARE NECESSAR Y TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD A N ANTI-SCALD VAL VE FOR HOT W A TER SUPPLIED TO FIXTURES.
12 DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE A T FIXTURES. SEE WA TER TEMPERA TURE CONTROL WARNING ON P AGE 6. IF HIGHER PREHEA T TEMPERA TURES ARE NECESSAR Y TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD A N ANTI-SCALD VAL VE FOR HOT W A TER SUPPLIED TO FIXTURES.
13 INSER T B V ACUUM RELIEF V AL VE. INST ALL PER LOCAL CODES. DANGER TEMPERA TURE SETTING SHOULD NOT EXCEED SAFE TEMPERA TURE A T FIXTURES. SEE WA TER TEMPERA TURE CONTROL WARNING ON P AGE 6. IF HIGHER PREHEA T TEMPERA TURES ARE NECESSAR Y TO OBT AIN ADEQUA TE BOOSTER OUTPUT , ADD A N ANTI-SCALD VAL VE FOR HOT W A TER SUPPLIED TO FIXTURES.
14 MANIFOLD KITS ALL DIMENSIONS IN INCHES. TWO HEA TERS Part Model Number H W D A DRE/DVE-52 9003429 66 1/4 56 3/4 27 1/4 13 1/4 DRE/DVE-80 9003429 70 1/2 60 1/4 31 1/4 9 3/4 DRE/DVE-120 9003429 73 1/.
15 BRANCH CIRCUIT The branch circuit wire and fuse size should be established through reference to the current version of the National Electrical Code or any other locally approved source in conjunction with the heater amperage rating. Branch circuit wires should have a temperature rating no less than 75°C.
16 Full Load Current in Amperes KW Number of Element Single Phase Three Phase No. of No. of Input Elements W attage 208V 240V 277V 480V 208V 240V 480V Thermostat s Fuses 6 2000 28.8 25.0 21.7 12.5 16.7 14.4 7.2 9 3000 43.3 37.5 32.5 18.8 25.0 21.7 10.
17 DVE CONTROL CIRCUIT DIAGRAMS.
18 POWER CIRCUIT The power circuit wiring is 12 Awg. AWM or TEW type, rated 600 volts, 105°C. Power circuit fusing consists of three 30 amp class G fuses for each contactor .
19 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. 2.
20 HEA TER CIRCUITS—DRE MODELS The water heater's electrical components are pictured and identified on pa ge 2. The following describes the heater circuits and includes wiring diagrams. All heater circuits are designed for 60/50 hertz alternating current.
21 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. 2.
22 Operation GENERAL Never turn on power to the water heater without being certain the water heater is filled with water , and a temperature and pressure relief valve is installed in the relief valve opening. DO NOT TEST ELECTRICAL SYSTEM BEFORE HEA TER IS FILLED WITH W A TER.
23 MAINTENANCE SCHEDULE Component Operation Interval Required T ank Flushing Periodically Un•Lime ® Element s Lime Scale As needed delimer & Removal element gaskets, Part Anode Inspect As needed T ank flushing should be performed in accordance with the above schedule.
24 12. Attach element wires to connection point s from which they were removed. 13. Follow FILLING instructions to restore hot water service. • Check for water leaks around elements and proper operation when heater is filled. • Close the front panel.
25 Leakage Checkpoint s INSTRUCTIONS: USE THIS ILLUSTRA TION AS A GUIDE WHEN CHECKING FOR SOURCES OF W A TER LEAKAGE. YOU OR YOUR DEALER MA Y BE ABLE TO CORRECT WHA T APPEARS TO BE A PROBLEM. Where possible, remove or lift top cover to examine threads of fittings installed into tank for evidence of leakage.
26 A. O. Smith Corporation, the warrantor, extends the following LIMITED W ARRANTY to the owner of this water heater: 1. THE T ANK If the glass-lined tank in this water heater shall prove upon examina.
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28 McBee, South Carolina 29101 Phone: 1-800-527-1953 Fax: 800-433-2515 w w w .hotwater .com e-mail: p ar ts@hotwater .com.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté A.O. Smith DRE c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du A.O. Smith DRE - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation A.O. Smith DRE, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le A.O. Smith DRE va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le A.O. Smith DRE, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du A.O. Smith DRE.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le A.O. Smith DRE. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei A.O. Smith DRE ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
