A.O. Smith dre-100 страница 38 Скачать руководство пользователя | Manualshive

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38

pIpInG dIaGraMs

Insert B

VacuuM relIef

ValVe. Install per

local codes.

one teMperature one heater VertIcal storaGe tank

forced cIrculatIon wIthout BuIldInG recIrculatIon

two teMperature wIth MIXInG ValVe

and cIrculatInG loop

two teMperature wIth MIXInG ValVe

*pIpe to open draIn

Install In accordance wIth all local codes

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Содержание dre-100

Страница 1: ...uture reference COMMERCIAL ELECTRIC WATER HEATERS Thank you for buying this energy efficient water heater We appreciate your confidence in our products MODELS DRE 52 80 120 SERIES 100 DVE 52 80 120 SE...

Страница 2: ...ing or replacement of gas piping or b the connection installation testing repair or servicing of appliances and equipment that is experienced in such work that is familiar with all precautions require...

Страница 3: ...ay also cause erratic control system operation on ELECTRONIC CONTROL models This water heater must be connected to a grounded metal permanent wiring system or an equipment grounding conductor must be...

Страница 4: ...ian StandardsAssociation 8501 East Pleasant Valley Road Cleveland OH 44131 3 If after reading this manual you have any questions or do not understand any portion of the instructions call the toll free...

Страница 5: ...ed to as Electronic Control models RECOVERY RATE IN GALLONS PER HOUR Temperature Rise F Standard KW Input BTU Hour 30 40 50 60 70 80 90 100 110 120 130 140 6 20 478 82 62 49 41 35 31 27 25 22 21 19 18...

Страница 6: ...6 APPROVALS MODEL AND RATING All models meet National Sanitation Foundation NSF 5 requirements All models are listed by Underwriters Laboratories Inc...

Страница 7: ...7 FEATURES AND COMPONENTS ELECTRONIC CONTROL MODELS FIGURE 1...

Страница 8: ...8 FEATURES AND COMPONENTS SURFACE MOUNT CONTROL MODELS FIGURE 2...

Страница 9: ...ank or connections will not result in damage to the area adjacent to the heater or to lower floors of the structure 3 Close to the point of major hot water usage and the power supply Hot water piping...

Страница 10: ...n to using the lowest possible temperature setting that satisfies your hot water needs a means such as a MIXING VALVE should be used at the hot water taps used by these people or at the water heater M...

Страница 11: ...relief valve must be manually operated at least once a year Caution should be taken to ensure that 1 no one is in front of or around the outlet of the temperature pressure relief valve discharge line...

Страница 12: ...tection and disconnect switch The water heater should be grounded in accordance with national and local codes Voltage applied to the heater should not vary more than 5 to 10 of the model and rating pl...

Страница 13: ...ace information display and element current sensors for monitoring the power circuits Refer to the control circuit label on the water heater for details The CCB ispoweredbyasmall120V 24Vtransformer Th...

Страница 14: ...14 CCB CENTRAL CONTROL BOARD CIRCUIT BOARD CONTROL CIRCUIT DIAGRAM ELECTRONIC CONTROL MODELS FIGURE 3 WIRING DIAGRAMS...

Страница 15: ...the heater circuits and includes wiring diagrams All heater circuits are designed for 60 50 hertz alternating current The water heater circuit wiring is 12 AWG AWM or TEW type rated 600 volts 105 C F...

Страница 16: ...to terminal L1 with black wires 3 Reconnect all yellow wires to terminal L2 with red wires 4 Connect incoming power to terminals L1 and L2 CONVERSION TO THREE PHASE When heater is shipped for connect...

Страница 17: ...page 8 The following describes the heater circuits and includes wiring diagrams All heater circuits are designed for 60 50 hertz alternating current The water heater circuit wiring is 12 AWG AWM or T...

Страница 18: ...ect all red wires to terminal L 2 with yellow wires 5 Connect incoming power to terminals L1 and L2 CONVERSION TO THREE PHASE When heater is shipped for connection to a single phase electrical service...

Страница 19: ...d electrical connections for tightness Also check connections on top and side of heater Repair water leaks and tighten electrical connections as necessary 3 Depress the red manual reset button on each...

Страница 20: ...when the water temperature reaches approximately 202 F 94 C When the ECO switch contacts open activate the electronic control system locks out and displays a Fault message Voltage to the contactor coi...

Страница 21: ...adjustable 1 to 20 differential set points for each bank First bank on is the last bank off Helps reduce operating costs during low moderate loads CONTROL SYSTEM NAVIGATION The UIM User Interface Modu...

Страница 22: ...control system has initiated heating operation Heating elements icon for a water heater equipped with 1 Bank of heating elements Each circle represents one heating element Each diagonal row of 3 elem...

Страница 23: ...played in this menu Economy Mode Setup Seven day 24 hour time clock with temperature set back capability to reduce operating costs during unoccupied or reduced demand periods Alarm Output Setup The co...

Страница 24: ...g This can improve the precision of temperature control in the storage tank and at points of use This feature can also be used to compensate for building recirculation loops hot water returning to the...

Страница 25: ...on off status of each Bank of heating elements Yes On No Off Alarm Condition Displays the status of the user definable Alarm Output function see Alarm Output Setup Menu Yes alarm condition has been m...

Страница 26: ...tional Buttons on the display changes as you navigate through the various menus and screens Use the Up Down buttons to select highlight in black the Economy Mode Setup menu from the Main Menu Press th...

Страница 27: ...ges to ACCEPT CANCEL when the adjustment mode is activated and how the current setting is outlined rather than highlighted in black Press the Operational Button underneath ACCEPT to enter and confirm...

Страница 28: ...Up Down and CHANGE buttons to enter the Mon sub menu Use the Up Down buttons to select highlight in black the Normal Operation Between setting Press the Operational Button underneath SELECT to change...

Страница 29: ...n current tank temperature drops below programmable Alarm SP Fault or Alert Used for external notification whenever a Fault or Alert condition is active Fault Used for notification whenever a Fault co...

Страница 30: ...sages in chronological order in this menu The most recent will be at the top of the list A time stamp is displayed below each listed Fault and Alert message showing when the Fault or Alert condition o...

Страница 31: ...the drain valve should be opened and the water allowed to run until it flows clean This will help to prevent sediment buildup in the tank bottom Periodically check the temperature and pressure relief...

Страница 32: ...lements should be examined regularly Lime scale accumulations may cause noises to occur during operation It is recommended that a heating element be removed periodically for examination If it is scale...

Страница 33: ...ed See the Maintenance section of this manual 2 Some of the electrical components of the water heater make sounds which are normal Contactors will click or snap as the heater starts and stops Transfor...

Страница 34: ...ters tank insert Q tip or similar absorbent material between jacket opening and valve to swab spud area Remove valve if leak is indicated and repair with pipe joint compound Water on the side of the t...

Страница 35: ...35 PIPING DIAGRAMS ONE TEMPERATURE WITH CIRCULATING LOOP INSERT B VACUUM RELIEF VALVE INSTALL PER LOCAL CODES PIPE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH ALL LOCAL CODES...

Страница 36: ...36 PIPING DIAGRAMS INSERT B VACUUM RELIEF VALVE INSTALL PER LOCAL CODES...

Страница 37: ...37 PIPING DIAGRAMS INSERT B VACUUM RELIEF VALVE INSTALL PER LOCAL CODES...

Страница 38: ...OCAL CODES ONE TEMPERATURE ONE HEATER VERTICAL STORAGE TANK FORCED CIRCULATION WITHOUT BUILDING RECIRCULATION TWO TEMPERATURE WITH MIXING VALVE AND CIRCULATING LOOP TWO TEMPERATURE WITH MIXING VALVE P...

Страница 39: ...39 PIPING DIAGRAMS TWO HEATERS WITH HORIZONTAL STORAGE TANK WITH OR WITHOUT BUILDING RECIRCULATION INSERT B VACUUM RELIEF VALVE INSTALL PER LOCAL CODES...

Страница 40: ...S THREE HEATERS WITH HORIZONTAL STORAGE TANK WITH OR WITHOUT BUILDING RECIRCULATION THREE HEATERS WITH VERTICAL STORAGE TANK WITH OR WITHOUT BUILDING RECIRCULATION INSERT B VACUUM RELIEF VALVE INSTALL...

Страница 41: ...MS FOUR HEATERS WITH VERTICAL STORAGE TANK WITH OR WITHOUT BUILDING RECIRCULATION FOUR HEATERS WITH HORIZONTAL STORAGE TANK WITH OR WITHOUT BUILDING RECIRCULATION INSERT B VACUUM RELIEF VALVE INSTALL...

Страница 42: ...2 Inlet and outlet size 1 1 2 THREE HEATERS Tank Capacity gallons Part Number H W D A 52 9003430205 66 1 4 91 3 4 27 1 4 13 1 4 80 9003430205 70 1 2 95 1 4 31 1 4 9 3 4 120 9003430205 73 1 4 99 1 2 35...

Страница 43: ...he owner is responsible for all other costs Such costs may include but are not limited to a Labor charges for service removal repair or reinstallation of the water heater or any component part b Shipp...

Страница 44: ...44 500 Tennessee Waltz Parkway Ashland City TN 37015 Technical Support 800 527 1953 Parts 800 433 2545 Fax 800 644 9306 www hotwater com...

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