Bradford White 80A Manuel d'instructions

238-45837-00D REV 05/07 ASME COMMERCIAL ELECTRIC WATER HEATER THE WARRANTY ON THIS WATER HEATER IS IN EFFECT ONLY WHEN THE WATER HEATE

10Water Connections continued- Figure 2A (Dual Temperature System With Mixing Valve) 50A, 80A, 120A Figure 2B (Dual Temperature System With Mi

11Water Connections continued- Figure 3A (Single Installation With Storage Tank Gravity Circulation) 50A, 80A, 120A Figure 3B (Single Install

12Water Connections continued- Figure 4A (Dual Water Heater Installation) 50A, 80A, 120A Figure 4B (Dual Water Heater Installation) 6A, 12A,

13Electrical Connections Before any electrical connections are attempted, be sure the water heater is full of water and that the manual shut-off val

14Amperage Chart kW 208V 240V 277V 380V 415V 480V 415V Input 1Ø 3Ø 1Ø 3Ø 1Ø 3Ø 3Ø 1Ø 3Ø 3Ø 3 15 - 13 - 11 - - 7 - - 6 29 17 25 14 22 9

15GENERAL OPERATION Before closing the switch to allow electric current to flow to the water heater, make certain that the water heater is full of w

16Thermostat adjustment continued- Figure 5 MAINTENANCE Shut off the electric power whenever the water supply to the water heater is off. Shut

17Maintenance continued- without leaking and operates freely. The following maintenance should be performed by a qualified service technician at th

18Maintenance continued- 7. If this water heater is equipped with fuses, before removing any fuse, disconnect the all power to the water heater. O

19SERVICING GUIDE This “Servicing Guide“ section of this Installation and Operation Installation manual is provided for the purpose of improving the

2CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation, operation and instruction manual

20Servicing Guide continued- Certain other control components are available as “Optional“. When these optional components are installed with the wat

21Servicing Guide continued- The following unusual situations will give reason for the pressure controls to interrupt the electrical current to the

22Servicing Guide continued- When installing the control refer to the direction of the arrow on the hex and insure that it is pointing upwards. If

23Servicing Guide continued- The following unusual situations will give reason for the alarm to sound: • If a High Pressure Control is installed,

24Servicing Guide continued- Electrical Door Lock: An electrical door lock is offered in order to secure the access to the water heater control cab

Save this manual for future referenceManual 238-47202-00ASERVICEMANUALTroubleshooting Guideand Instructions for Service(To be performed ONLY byqualifi

Table of ContentsPage Service ProcedureIntroduction ………………………………………………………………………. 2 - - -Tools……………………………………………………………………………… 2 - - -General Informat

GENERAL INFORMATION120A - 24 - 3 - 108B - BBGPressure Gage Option.Control Circuit Option Code.Any combination of the following optional controls:- Hea

Page 4GENERAL INFORMATIONGeneral Controls LayoutPressureGage(optional)Control CircuitTransformerThermostatControlHeating ElementTime DelaySequencers(o

GENERAL INFORMATIONPage 5Immersion Style Thermostat ControlImmersion Thermostat ControlStandard Controls (continued)DirectImmersionbulbThe thermostat

3GENERAL INFORMATION This electric water heater’s design is certified by Underwriters Laboratories (UL) and listed in accordance with UL 1453. C-UL

Page 6GENERAL INFORMATIONOptional ControlsHigh and Low Water Pressure Controls-These controls interrupt the electrical current to the contactor coil w

GENERAL INFORMATIONOptional Controls (continued)This control will interrupt the electrical current to the contactor coil when a low water level condit

GENERAL INFORMATIONOptional Controls (continued)Electrical Door lock-An electrical door lock is offered in order to secure the access to the water hea

GENERAL INFORMATIONWattsVolts x 1.732Watts = Amps x VoltsVoltsWatts2Commonly Used Formulas240V 1PhUngroundedUngroundedGroundingBLACKREDGREEN240120Comm

SEQUENCE OF OPERATIONThis water heater has two distinct electrical systems. One system, referred to as the “Control Circuit”, controls thewater heate

SEQUENCE OF OPERATIONPage 11Certain other control components are available as “Optional“. These controls are specified when the installation hasunique

SEQUENCE OF OPERATIONThe Power Circuit Wiring Diagram illustrates the electrical connections from the incoming power supply through thecontactors to t

TROUBLESHOOTINGMost common cause for improper electric water heater operation can be linked to heating elementfailure.When troubleshooting an electric

SYMPTOM PROBABLE CAUSE CORRECTIVE ACTIONNo Hot Water1. No power to heater.2. Blown water heater fuses.3. Loose wire connections.4. Inoperative heating

SERVICE PROCEDURE ACE-IHeating Element Testing1. STOP, DANGER! Turn power “OFF” to water heater.2. Open control panel access door.3. Disconnect wires

4General Information continued- A sacrificial anode(s) is used to extend tank life. Removal of any anode, for any reason, will nullify the warranty

SERVICE PROCEDURE ACE-IILine Voltage TestingLine Voltage TestingIllustration 3Page 161. STOP, DANGER! Turn power “OFF” to water heater.2. Open control

SERVICE PROCEDURE ACE-IIIFuse TestingFuse Testing1. STOP, DANGER! Turn power “OFF” to water heater.2. Open control panel door to allow access to fuse

SERVICE PROCEDURE ACE-IVHigh Limit Control TestingHigh Limit Control (ECO) Operation1. Determine if Hi-Limit has actuated. This can be done by simply

SERVICE PROCEDURE ACE-VImmersion Thermostat TestingImmersion Thermostat Operation TestingThermostat Control Continuity Testing.1. This procedure assum

SERVICE PROCEDURE ACE-VIContactor TestingContactor Operation TestingNoisy or chattering contactor operation in most cases is due to voltage variations

Immersion Thermostat Removal1. STOP, DANGER! Turn power “OFF” to water heater.2. Open control box door.3. Turn off cold water supply to heater. Connec

SERVICE PROCEDURE ACE-VIIIHigh Limit (ECO) Control Removaland ReplacementPage 22High Limit Control (ECO) Removal1. STOP, DANGER! Turn power “OFF” to w

SERVICE PROCEDURE ACE-IXHeating Element Removaland ReplacementHeating Element Removal1. STOP, DANGER! Turn power “OFF” to water heater.2. Open control

Page 24WARNINGHeater components and stored water may be HOT when performing the following steps inthis procedure. Take necessary precaution to prevent

Page 25Generic Parts List25

5Locating The Water Heater continued- Water heater corrosion and component failure can be caused by the heating and breakdown of airborne chemical v

Generic Parts ListItem Description1 T&P Relief Valve.2 Nipple Plastisert.3 Hot Water Outlet Nipple.4 Magnesium Anode.5Nipple Galvanized.6Pipe Tee

NOTESPage 3427

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6Water Connections Note: Before proceeding with the installation, close the main water supply valve. After shutting the main water supply valve, op

7Water Connections continued- WARNING For protection against excessive temperatures and pressure, install temperature and pressure protective equip

8Water Connections continued- This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot

9Water Connections continued- Figure 1                 