Bock Water heaters 51E

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TO THE CONSUMER:

Read these and all com-

ponent instructions.

Please keep for future

reference. Please re-

member to return the

registration card.

Waranty, registration

card & parts list included.

O THE INSTALLER:

Please attach these in-

structions next to the

water heater.

BOCK RESIDENTIAL OIL-FIRED

WATER HEATERS

Model numbers: 20e, 20pp, 32E, 32EC, 32PP,

32PPC, 33E, 33PP, 40E, 40PP, 50ES, 50ESC,

51E, 51EC, 51PP, 51PPC, 71E, 120E

WARNING:

Improper installation, adjustment, alteration, service

or maintenance can cause serious injury or prop-

erty damage. Refer to this manual. For assistance

or additional information, consult a qualified installer

or service agency.

WARNING:

If the information in these instructions is not fol-

lowed exactly, fire or explosion may result and can

cause property damage, personal injury or death.

WARNING:

Follow minimum combustible clearance as noted

on water heater label. Do not install on combustible

flooring (see Figure 2, Page 3). Install in accor-

dance with all local codes. In the absence of local

codes, refer to NFPA 31 or ANSI Z21.10.1.

CAUTION:

The recommended temperature for normal residen-

tial use is 120°F. The dial on the aquastat does not

always reflect the outcoming water temperature,

which could occasionally exceed 120°F. The varia-

tion in outcoming temperature could be based on

factors including but not limited to usage patterns

and type of installation. Test your water at the tap

nearest to the water heater. (See page 5 for mea-

suring the outcoming water temperature).

WARNING:

Hotter water increases the risk of scald injury. Be-

fore changing the temperature setting, read the

instruction manual. Temperatures at which injury oc-

curs vary with the individual’s age and length of

exposure.

The slower reaction times of children, elderly and

physically or mentally impaired persons increases

the scalding hazard to them. It is recommended lower

water temperatures be used where these situations

exist.

Households with small children or invalids may re-

quire a temperature setting less than 120°F to prevent

accidental contact with hot water.

To lower water temperature use point-of-use tem-

perature limiting devices.

WARNING:

Flammable vapors may be drawn to this water heat-

er from other areas of the structure by air currents.

Do not store or use any flammable liquids in the

vicinity of this heater.

WARNING:

Water heater blankets may restrict air flow to the

heater and cause fire, asphyxiation, personal injury

or death.

Bock Water Heaters, Inc.

110 South Dickinson Street • P.O. Box 8632 • Madison, WI 53708-8632

Phone: 608/257-2225 • Fax: 608/257-5304 • www.bockwaterheaters.com

INSTALLATION, OPERATION &

MAINTENANCE INSTRUCTIONS

#23420 Rev 7 (7/11)

23420.qxp:23420 Res Oil Water Bro 8/3/11 8:39 AM Page 1

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Summary

Bock Residential Oil-Fired Water Heaters Manual

Installer and Consumer Information

Information for installers and consumers on reading instructions and registration.

Critical Safety Warnings and Cautions

Essential warnings about installation, operation, and potential hazards.

Consumer Responsibilities and Installation Site

Consumer Responsibilities and Warranty

Owner's duties to maintain warranty and proper operation.

Multiple Burner and Location Selection

Guidance for multiple burner setup and choosing the right installation location.

Installation Connections

Connecting Water Piping

Instructions for connecting hot and cold water lines to the heater.

Connecting to Chimney and Mounting Burner

Steps for chimney connection and mounting the oil burner.

Electrical and Oil Line Connections

Instructions for connecting electrical power and oil supply lines.

Oil System and Initial Operation

Oil Supply System Configuration

Details on lift systems, tubing, and pump requirements for oil supply.

Initial Water System Operation

Procedures for filling the tank, bleeding air, and starting the system.

Operation, Maintenance, and Service

Measuring Water Temperature

Guide on how to accurately measure the outgoing water temperature.

Routine Maintenance Schedule

Recommended annual servicing for the oil burner and tank components.

Troubleshooting and Service

Burner Service and Troubleshooting

Procedures for diagnosing and resolving burner operational issues.

Wiring Diagrams

Burner Control Wiring Schematics

Diagrams illustrating electrical connections for various burner controls.

Component Identification

Burner Components List

Illustrated list of parts comprising the oil burner assembly.

Water Heater Tank Parts List

Illustrated list of components for the Bock water heater tank.

Warranty and Compliance

Warranty Coverage and Responsibilities

Details on warranty coverage, manufacturer, and owner responsibilities.

Approved Burners and Controls

Lists specific burners/controls required to maintain warranty validity.

Warranty Exceptions and Claims

Lists conditions that void warranty and procedures for making claims.

UL Listed Burners Chart

Table of compatible UL listed burners with model and input specifications.