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MedIuM teMperature - three heaters VertIcal storaGe tank

MedIuM teMperature - three heaters horIZontal storaGe tank

*pIpe  relIef ValVe to open draIn.

†tank  teMperature  control  set 

at desIred teMperature (MaX. 170°). 

heater therMostat set at least 5° 

hIGher.

Install  In  accordance  wIth  all 

local codes.

NOTE: BRANCH PIPING TO ALL HEATERS 

Must  Be  saMe  sIZe and  lenGth  for 

equal  flow.  these  Branches  May 

Be sIZed up to  1 1/4” so that cross 

sectIonal areas  of all  Inlets and 

outlets  at  least  equal  area  of 

theIr respectIVe MaIn pIpInG.

reVerse return pIpInG shown.

Содержание Dura-Power DSE-5

Страница 1: ...future reference COMMERCIAL ELECTRIC WATER HEATERS Thank you for buying this energy efficient water heater We appreciate your confidence in our products MODELS DSE 5 THRU DSE 120 INSTALLATION OPERATI...

Страница 2: ...the type of hazard what can happen if you do not follow the safety message and how to avoid the risk of injury The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of Ca...

Страница 3: ...perly may 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 m...

Страница 4: ...use the correct size for the circuit See page 12 through 14 The principal components of the heater are identified on page 6 The model and rating plate on page 7 interprets certain markings into useful...

Страница 5: ...480 mm 28 711 2 mm 35 889 mm 7 177 8 mm 354 160 6 120 450 90 63 1 4 1 607 mm 30 762 mm 37 939 8 mm 7 1 2 190 5 mm 420 190 5 RECOVERY RATE IN GALLONS PER HOUR Temperature Rise F STANDARD KW INPUT BTU H...

Страница 6: ...AND COMPONENTS Below is an illustration of the water heater with its features called out The text of this manual will refer to the items shown FIGURE 1 UIM USER INTERFACE MODULE on front of hinged ac...

Страница 7: ...e heater or to lower floors of the structure 3 The discharge opening of the temperature and pressure relief valve should always be piped to an open drain 4 Close to the point of major hot water usage...

Страница 8: ...tisfies 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 MIXING VALVES for reducing point of use temperature are ava...

Страница 9: ...d continues to release water immediately close the cold water inlet to the water heater follow the draining instructions in this manual and replace the temperature pressure relief valve with a properl...

Страница 10: ...circuits and includes wiring diagrams Control Circuits The water heater is equipped with an electronic control system The system includes a CCB Central Control Board circuit board an immersion tempera...

Страница 11: ...actor to determine the maximum allowable load current Ambient Temperature F 82 58 88 75 58 35 90 80 67 52 30 91 82 71 58 41 82 58 88 75 58 35 90 80 67 52 30 91 82 71 58 41 86 104 105 122 123 141 142 1...

Страница 12: ...12 WIRING DIAGRAMS WIRING DIAGRAMS DIAGRAM 1 SMALL COMMERCIAL WIRE DIAGRAM 208 240V 3PH DIAGRAM 2 SMALL COMMERCIAL WIRE DIAGRAM 208 240V 3 1PH...

Страница 13: ...ust be added according to the phase of the supply voltage See the diagram below For single phase connection jumpers A C and B D must be added For three phase connection jumper B C must be added 3 1 PH...

Страница 14: ...14 DIAGRAM 4 SMALL COMMERCIAL WIRE DIAGRAM 300 600V 3PH DIAGRAM 5 SMALL COMMERCIAL ELECTRIC 300 600V 3ph Linear or Progressive...

Страница 15: ...the faucet Leave the cold water inlet valve fully open The heater is now ready for start up and temperature regulation 7 Close the cabinet door and perform start up checks listed below before turning...

Страница 16: ...duration of exposure The slower response time of children the elderly or disabled persons increases the hazards to them Never allow small children to use a hot water tap or draw their own bath water...

Страница 17: ...s as follows on a model equipped with 3 heating elements First heating cycle Elements come on 1 2 3 and cycle off 1 2 3 Second heating cycle Elements come on 2 3 1 and cycle off 2 3 1 Third heating cy...

Страница 18: ...ting element This animated icon DOES NOT indicate current has been sensed from the heating elements only that there is a call for heat present and the control system has initiated heating element oper...

Страница 19: ...n board SPDT single pole double throw relay contacts for building EMS Energy Management System notification of operational conditions such as Fault Conditions and heating mode status This menu feature...

Страница 20: ...ed with 3 heating elements with an Operating Set Point of 120 F and all Differential settings at 2 F the On Off sequencing of heating elements would be as follows TABLE 6 ELEMENT NUMBER DIFFERENTIAL S...

Страница 21: ...eratures is not selected use the Up and Down buttons to select this menu item With the Operating Set Point selected highlighted in black in the Temperatures Menu press the Operational Button underneat...

Страница 22: ...on the external control per all applicable building codes This is a switching circuit only DO NOT apply any external voltage or connect any load IE relay coil to either circuit Element On Displays the...

Страница 23: ...or not Daily Operating Mode Sun Mon Tue Wed Thu Fri Sat Seven daily sub menus are listed at the bottom of the Economy Mode Setup menu There are 3 Operating Modes in each sub menu Normal Operation All...

Страница 24: ...ss the Operational Button underneath CHANGE to activate the adjustment mode for the Setpoint Adjustment value Use the Up Down buttons to change the Setpoint Adjustment to the desired value The Setpoin...

Страница 25: ...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 26: ...E buttons to enter the Mon sub menu as described above Use the Up Down buttons to select highlight in black the Normal Operation Between setting Press the Operational Button underneath SELECT to chang...

Страница 27: ...l notification when 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 w...

Страница 28: ...menu displays non adjustable operational information The control system records and stores the last 9 Fault and Alert messages in chronological order in this menu The most recent will be at the top o...

Страница 29: ...actory Defaults ACTION DISPLAY 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 Fact...

Страница 30: ...If after manually operating the valve it fails to completely reset and continues to release water immediately close the cold water inlet to the water heater follow the draining instructions in the Sta...

Страница 31: ...e removal Place limed ends of heating elements into UN LIME delimer and allow scale to dissolve Do not permit delimer or water to contact heating element electrical terminals Silicates sulfates and al...

Страница 32: ...nge Sounds 1 Sediment or lime scale accumulations on the elements causes sizzling and hissing noises when the heater is operating The sounds are normal however the tank bottom and elements should be c...

Страница 33: ...33 PIPING DIAGRAMS ONE OR TWO TEMPERATURE TWO HEATER ONE OR TWO TEMPERATURE ONE HEATER PIPE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH ALL LOCAL CODES...

Страница 34: ...34 ONE OR TWO TEMPERATURE THREE HEATERS ONE OR TWO TEMPERATURE FOUR HEATERS PIPE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH ALL LOCAL CODES...

Страница 35: ...AL STORAGE TANK MEDIUM TEMPERATURE ONE HEATER VERTICAL STORAGE TANK PIPE RELIEF VALVE TO OPEN DRAIN TANK TEMPERATURE CONTROL SET AT DESIRED TEMPERATURE MAX 170 HEATERTHERMOSTAT SET AT LEAST 5 HIGHER I...

Страница 36: ...IEF VALVE TO OPEN DRAIN TANK TEMPERATURE CONTROL SET AT DESIRED TEMPERATURE MAX 170 HEATER THERMOSTAT SET AT LEAST 5 HIGHER INSTALL IN ACCORDANCE WITH ALL LOCAL CODES NOTE BRANCH PIPING TO ALL HEATERS...

Страница 37: ...SET AT DESIRED TEMPERATURE MAX 170 HEATER THERMOSTAT SET AT LEAST 5 HIGHER INSTALL IN ACCORDANCE WITH ALL LOCAL CODES NOTE BRANCH PIPING TO ALL HEATERS MUST BE SAME SIZE AND LENGTH FOR EQUAL FLOW THES...

Страница 38: ...ET AT DESIRED TEMPERATURE MAX 170 HEATER THERMOSTAT SET AT LEAST 5 HIGHER INSTALL IN ACCORDANCE WITH ALL LOCAL CODES NOTE BRANCH PIPING TO ALL HEATERS MUST BE SAME SIZE AND LENGTH FOR EQUAL FLOW THESE...

Страница 39: ...rovide only a replacement water heater or part thereof The owner is responsible for all other costs Such costs may include but are not limited to a Labor charges for service removal repair or reinstal...

Страница 40: ...A DIVISION OF A O SMITH CORPORATION RENTON WASHINGTON Technical Support 800 527 1953 Parts Department 800 433 2515 www hotwater com...

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