Bradford-White Corp Commercial Electric Water Heaters Contents, Start-Up Procedure, Maintenance

Models: 9kW 900kW Commercial Electric Water Heaters

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CONTENTS

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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Bradford-White Corp Commercial Electric Water Heaters Contents, Start-Up Procedure, Installation Requirements, Maintenance