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alarM output sEtup MEnu

Permits  user  to  set  the  condition  (from  a  list  of  options)  for  when 

the CCB’s integral alarm output relay will be energized. Alarm relay 

connections (common, normally open, normally closed) are located on 

the J3 terminal strip on the CCB - see wiring diagrams. Alarm output 

relay contacts are capable of switching 

1 amp maximum at 120 VaC

.

The alarm relay operates in the background according to the settings 

in this menu and is not capable of disabling water heater operation. 

The  alarm  relay  is  used  for  external  notification/verification  of 

various operational conditions such as fault conditions and heating 

mode  status.  This  relay  can  be  used  with  building  EMS  (Energy 

Management System) and other external supervisory controls.

output function

Adjustable  user  setting.  Available  options  for  the  Alarm  Output 

Function setting are:

Heating Mode:

 Used for heating mode on/off status notification.

Enable / Disable Closed:

 Used for notification and/or verification of 

the enable/disable circuits open/closed status. There are two enable/

disable circuits available for external supervisory control(s) at the J7 

socket on the CCB - see wiring diagrams on page 6. Enable/disable 

circuit(s) status can be viewed in the Heater Status Menu.

Temp < Heater SP:

 Used for external notification when current tank 

temperature drops below Operating Set Point.

Temp < Alarm SP:

 Used for external 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 whenever a Fault condition is active.

Disabled:

 Disables the Alarm Relay Output Function.

alarm sp

Adjustable user setting (90°F to 190°F) the control system uses for 

the “Temp < Alarm SP” function described above. This setting has no 

effect with any other Alarm Output functions.

alarm output settings

Changing  the  user  settings  in  this  menu  is  done  using  the  same 

methods for changing the Operating Set Point.

Service Note:

 Adjustable user settings in the Alarm Output Setup 

menu are unaffected by Restore Factory Defaults.

dIsplay sEttInGs MEnu

Permits  user  to  set  display  options  for  viewing  information  on  the 

UIM’s LCD screen.

temperature units

Adjustable  user  setting  that  changes  temperature  units  display  to 

Celsius °C or Fahrenheit °F.

Backlight delay

Adjustable  user  setting  that  determines  how  long  the  UIM’s  LCD 

backlight remains illuminated after a key has been pressed. Available 

settings are; Always Off, 10, 30 or 60 seconds and Always On.

Contrast

Adjustable  user  setting  to  adjust  the  UIM’s  LCD  screen  contrast 

between text and background.

display settings

Changing  the  user  settings  in  this  menu  is  done  using  the  same 

methods for changing the Operating Set Point.

Service Note:

 Adjustable user settings in the Display Settings menu 

are unaffected by Restore Factory Defaults.

hEatEr InforMatIon MEnu

This menu displays non adjustable operational information.

top of Menu

Содержание DVE-10.000

Страница 1: ...Manual place these instructions adjacent to heater and notify owner to keep for future reference COMMERCIAL ELECTRIC WATER HEATER MODELS DVE 150 THRU DVE 10000 DHE 200 THRU DVE 10000 UP TO 150KW A DI...

Страница 2: ...about 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...

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: ...DIAGRAMS Be sure to turn off power when working on or near the electrical system of the water heater Never touch electrical components with wet hands or when standing in water When replacing fuses al...

Страница 5: ...ter 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 tem...

Страница 6: ...C1 C5 C4 C3 C2 C1 N GRN GRN BLK BLK X FMR ECO TEMP 120V BLK BLU RED RED RED RED SDI 24V X FMR PRIMARY FUSES X FMR 120V SEC SEC FUSE PILOT SWITCH BLK BLK JUMPER TO DISPLAY LWCO 5 4 3 2 1 FUSES CNTCTR...

Страница 7: ...m Never allow small children to use a hot water tap or draw their own bath water Never leave a child or disabled person unattended in a bathtub or shower The water heater should be located in an area...

Страница 8: ...irectly above each button on the LCD screen The function will change depending on what menu is currently displayed or what menu item is selected When no text appears on the LCD screen above an Operati...

Страница 9: ...used the fault is corrected Power to the water heater must be cycled off and on to reset the control system Note cycling power will not reset the control system if the condition that caused the fault...

Страница 10: ...peration total heating cycle time heating cycle count heating element s cycle count and on time along with UIM and CCB software revisions can be viewed in this menu Current Fault Alert Displays any cu...

Страница 11: ...d 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 ELEMENT NUMBER DIFFERENTIAL SETTING TU...

Страница 12: ...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 13: ...ontacts 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 Disp...

Страница 14: ...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 15: ...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 16: ...s 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 th...

Страница 17: ...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 18: ...ternal 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 notificat...

Страница 19: ...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 20: ...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 21: ...e sounds are normal however the tank bottom and elements should be cleaned Refer to MAINTENANCE section of this manual for details 2 Some of the electrical components of the water heater make sounds w...

Страница 22: ...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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