Bradford-White Corp Commercial Electric Water Heaters, 900kW, 9kW service manual Contents

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CONTENTS

Warranty

.1

Start-Up Procedure

 

Safety Warnings

.1

Filling the Water Heater

.22

Checking the Equipment

.1

Start-Up Checks

.23

Codes

.4

Shutdown Procedure

.24

Installation Requirements

 

Maintenance

 

Location

.4

T&P Relief Valve

.24

Drain Pan Requirements

.5

Water Chemistry

.25

Clearances

.6

Flushing the Tank

.25

Mounting

.7

Sediment Removal

.25

Water Connections

.7

Scale Removal - Elements

.25

Tank Construction

.8

Trouble Shooting

 

Relief Valve

.8

Not Enough Hot Water

.27

Thermal Expansion

.8

Water Is Too Hot

.27

Cathodic Protection

.9

Water Heater Sounds

.27

Electrical Service

 

Leakage

.27

Electrical Connection . . . . . . . . . . .9

Wire Sizing . . . . . . . . . . . . . . . . . . .9

Fusing . . . . . . . . . . . . . . . . . . . . . .9

Electrical Connection . . . . . . . . . . . .9

Jacket Assembly . . . . . . . . . . . . . . .10

Standard and Optional Controls . . .10

Components and Controls

Terminal Block . . . . . . . . . . . . . . . .11

Fuses and Fuse Blocks . . . . . . . . . .12

Contactors . . . . . . . . . . . . . . . . . . .12

Transformer . . . . . . . . . . . . . . . . . .12

Immersion Thermostat . . . . . . . . . .13

Temperature Regulation . . . . . . . . .13

Risk of Scald Warnings . . . . . . . . .14

Temperature Control Sequencer . . .14

Display . . . . . . . . . . . . . . . . . . . . . .16

Temperature Adjustment . . . . . . . . .17

Error Messages . . . . . . . . . . . . . . . .18

Temperature Limit Control . . . . . . .18

Immersion Heating Elements . . . . .19

Safety Door Lock . . . . . . . . . . . . . .19

Low Water Cut-Off . . . . . . . . . . . . .20

Low Water Pressure Switch . . . . . .20

High Water Pressure Switch . . . . . .20

Manual Limiting Switches . . . . . . .20

Time Clock . . . . . . . . . . . . . . . . . . .21

Pilot Lights . . . . . . . . . . . . . . . . . . .21

Alarm Bell . . . . . . . . . . . . . . . . . . .21

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Contents Special Instructions To Owner WarrantyCHP-I&S-01 Checking EquipmentContents Front View Vertical Round Models Codes Installation Procedure Location of UnitOwner Warning ApprovalsPage Clearances from Combustible Construction Table a Clearances from Combustible ConstructionMounting Water ConnectionsThermal Expansion of Water Storage TankRelief Valve Do not plug or cap the relief valveCathodic Protection Electrical ConnectionsStandard Equipment Jacket AssemblyNever turn on the electric Optional Equipment Components and Controls Terminal BlockControl Circuit Transformer Fuse and Flue BlocksContactors Immersion Thermostats Temperature RegulationWater Temperature Settings Hotter water increasesElectronic Temperature Control Sequencer Temperature AdjustmentMaximum temperature Operating Humidity 5 95% RH SpecificationsOperating Ambient Temperature -30 to 125 F Select and Enter Keys simultaneouslyProgramming Worksheet Setup of the Temperature ControllerDisplay When power is initially ProgrammingHigh Water Temperature Limit Control Disconnect the main power Immersion Heating ElementLOW Water Pressure Switch High Water Pressure SwitchTime Clock Optional Filling the Water Heater START-UP ProcedureLeft in the open position when the water heater is in use START-UP Initial START-UP ChecksTemperature and Pressure Relief Valve Operation Shutdown ProcedureMaintenance Draining the Water HeaterSediment Removal Water ChemistryFlushing the Storage Tank Sediment and Lime Scale RemovalGaskets are available from your distributor Trouble Shooting If YOU Cannot Identify or Correct the Source Malfunction

9kW, 900kW, Commercial Electric Water Heaters specifications

Bradford-White Corporation has established itself as a leader in the water heating industry, providing a diverse range of innovative and efficient water heating solutions. Among its prominent offerings are the 900kW and 9kW Commercial Electric Water Heaters. These models have been designed for a variety of commercial applications, ensuring reliability, performance, and energy efficiency.

The 900kW Commercial Electric Water Heater is specifically engineered for large-scale applications that require significant hot water outputs. This powerhouse can effectively support high-demand environments such as hotels, restaurants, and industrial facilities. One of its standout features is its high-efficiency design, which maximizes hot water production while minimizing operational costs. The heater employs advanced technology to increase thermal efficiency, which in turn reduces energy consumption and lowers utility bills.

This model also features a robust heating element configuration that ensures rapid recovery rates. With multiple heating elements strategically placed within the tank, the 900kW unit can maintain consistent water temperatures even during peak usage hours. Additionally, it is equipped with advanced controls that facilitate precise temperature management, further enhancing user convenience and system performance.

On the other side, the 9kW Commercial Electric Water Heater is ideal for smaller businesses or applications where space and hot water demand are more constrained. This model is compact yet powerful, capable of efficiently delivering hot water for various tasks such as handwashing, cleaning, and food preparation. Its compact design allows for flexible installation options, making it suitable for tight spaces without compromising performance.

Both models incorporate corrosion-resistant tank materials and durable insulation to ensure longevity and reliable operation over time. The integrated safety features, including high-temperature limit switches and automatic shut-off mechanisms, provide users with peace of mind regarding operational safety.

Furthermore, Bradford-White prioritizes sustainability in its product lines. Both the 900kW and 9kW Commercial Electric Water Heaters comply with stringent efficiency regulations, making them eco-friendly options for businesses looking to reduce their carbon footprint.

In summary, Bradford-White’s 900kW and 9kW Commercial Electric Water Heaters represent the perfect fusion of performance, efficiency, and reliability, catering to diverse commercial needs while promoting sustainability and cost-effectiveness in water heating solutions.
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