Bradford-White 544-B User Manual

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"Highest in Subcontractor Satisfaction among Water Heater/Boiler Manufacturers"

Residential Combi2

Energy Saver Oil-PoweredWater Heater

Photo is of C-DW1-70L6OF

Combi2™ Oil-PoweredModel Features:

Dual Purpose Heating—Providesdomestic potable hot water and hydronic heating in one energy saving system.

Heat Exchanger—Doublewall 112" O.D. glass coated (Vitraglas®) steel coil. Two pipes guarantee that the potable water will stay separate from the hydronic fluid. A positive leak path between the inner and outer pipes is used to indicate leaks of either the domestic side of the coil or the hydronic side of the coil.

Low Heat Exchanger Head Loss—Upto 10 GPM flow, with less than 5 ft. of head loss. Greatly reduces the required pump size for heat exchange.

High Recovery Rates—Oilheats water 3 to 4 times faster than other methods. This model is designed to assure a constant supply of hot water provided thedraw-offrate is within the recovery capacity of the unit.

Vitraglas® Lining—BradfordWhite water heater tanks are protected from the corrosive effects of hot water by an exclusive ceramicporcelain-likecoating. The Bradford White high silica Vitraglas® lining provides a tough interior surface for our hot water tanks.

Factory Installed Hydrojet® Total PerformanceSystem—Cold water inlet sediment reducing device helps prevent sediment build up in tank. Increases first hour delivery of hot water while minimizing temperature build up in tank.

Oil-Powered Burner—BeckettBurner with dual aquastat wired 120 Volt1-stagewith a firing rate of 0.85 GPH (Shipped with heater in a separate box).

New Beckett Burners are Compatible with Biofuel—Up to B5

(5% Biofuel) can be used with water heater, provided the Biofuel meets ASTM D6751.

Thermostatic Mixing Valve—Suppliedwith unit to help prevent injury due to scalding.

Space Heating Connections—3/4"NPT female tappings on the front of the water heater for easy pipe connections.

1" Non-CFC Foam Insulation—Coversthe sides and top of tank to save energy by retarding loss of heat. Also increases jacket rigidity.

Water Connections—3/4"NPT factory installed true dielectric fittings extend water heater life and eases installation.

Two Protective Aluminum Anode Rods—Provide added protection against corrosion for long trouble-free service.

Flue Baffle—Designedto maximize the amount of heat absorbed in the lower portion of tank. Reduces air movement in the heater during standby periods to retard heat loss up the flue.

Steel Tank—Heavygauge steel automatically formed, rolled and welded.

T&P Relief Valve—Installed.

Brass Drain Valve.

Design Certified by CSA International (formerly AGA/CGA).

6-YearLimited Tank and Heat Exchanger Warranties /2-YearLimited Warranty on Component Parts.

 

For more information on warranty, please visit www.bradfordwhite.com

SUGGESTED

For products installed in USA, Canada and Puerto Rico. Some states do not allow limitations on warranties. See complete

copy of the warranty included with the heater.

BURNER

Bradford White received the highest numerical score among water heater/boiler manufacturers in the proprietary J.D. Power and Associates/ McGraw-HillConstruction 2006 HVAC and Water Heater/Boiler Subcontractor Satisfaction StudySM. Study based on 882 responses measuring 3 water heater/boiler manufacturers and measures opinions of subcontractors. Proprietary study results are based on experiences and perceptions of subcontractors surveyed in May through July 2006. Your experiences may vary. Visit jdpower.com

MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING U.S. PATENTS: 5,954,492; 5,761,379; 5,943,984; 5,081,696; 5,988,117; 6,142,216; 5,199,385; 5,574,822; 5,372,185; 5,485,879; 5,277,171; (B1)5,341,770; 5,660,165; 5,596,952; 5,682,666; 4,904,428; 5,023,031; 5,000,893; 4,669,448; 4,829,983; 4,808,356; 5,115,767; 5,092,519; 5,052,346; 4,416,222; 4,628,184; 4,861,968; 4,672,919; Re. 34,534; 7,270,087 B2. OTHER U.S. AND FOREIGN PATENT APPLICATIONS PENDING. CURRENT CANADIAN PATENTS: 1,272,914; 1,280,043; 1,289,832; 2,045,862; 2,112,515; 2,108,186; 2,107,012; 2,092,105; 2,409,271.

Vitraglas® and Hydrojet® are registered trademarks of Bradford White® Corporation.

544-B-1207-A

Residential Oil-PoweredWater Heater System

Combi2Energy Saver Model

 

 

 

 

 

 

Meet or exceed ASHRAE 90.1b (current standard)

 

 

 

 

 

 

 

78% Recovery Efficiency

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

Capacity

 

 

Recovery

 

A

B

C

D

E

F

G

H

J

K

L

Approx.

 

 

90°F Rise*

 

Floor to

Jacket

Vent

Floor to

Floor to

Floor to

Floor to

Floor

Floor to C/L

Depth

Floor to

Shipping

Number

 

 

 

 

 

 

 

 

 

 

 

 

Flue

Dia.

Size

T&P

Top of

Exchanger

Exchanger

to Top

Combustion

 

Control

Weight

 

 

 

 

 

 

 

 

 

 

 

 

 

GPH

 

 

 

Conn.

 

 

 

Burner

Outlet

Inlet

of Unit

Chamber

 

Thermostat

 

 

U.S. Imp.

BTU/Hr.

Firing

U.S. Imp.

 

in.

in.

in.

in.

in.

in.

in.

in.

Sight Hole

in.

in.

lbs.†

 

Gal.

Gal.

Input

Rate

GPH

GPH

 

in.

C-DW1-70L6OF

68

57

119,000

0.85

127

119

 

663/4

24

6

573/8

101/2

573/8

351/4

64

131/4

321/2

337/8

299

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

Capacity

 

 

Recovery

 

A

B

C

D

E

F

G

H

J

K

L

Approx.

 

 

50°C Rise*

 

Floor to

Jacket

Vent

Floor to

Floor to

Floor to

Floor to

Floor

Floor to C/L

Depth

Floor to

Shipping

Number

 

 

 

 

 

 

 

 

 

 

 

 

Flue

Dia.

Size

T&P

Top of

Exchanger

Exchanger

to Top

Combustion

 

Control

Weight

 

 

 

 

 

 

 

 

 

 

 

 

 

GPH

 

 

 

Conn.

 

 

 

Burner

Outlet

Inlet

of Unit

Chamber

 

Thermostat

 

 

Liters

kW Input

Firing

Liters/

 

mm.

mm.

mm.

mm.

mm.

mm.

mm.

mm.

Sight Hole

mm.

mm.

kg.†

 

Rate

Hour

 

mm.

C-DW1-70L6OF

259

34.8

0.85

537

 

1695

610

152

194

267

1407

845

1626

337

829

860

137

*Based on manufacturers rated recovery efficiency. †Shipping weights do not include burner and controls.

 

 

C

B

 

Heat Exchanger

 

 

 

 

 

 

 

 

 

 

Head Loss

 

 

 

 

 

GPM

Ft. of

 

 

 

 

 

 

Hd. Loss

 

 

 

 

 

2

trace

 

 

 

 

 

5

0.4

 

 

 

 

K

8

2.3

 

 

 

 

 

10

4.6

 

 

 

 

 

12

6.9

A

H

 

 

 

 

 

 

 

 

D & F

 

 

 

 

L

 

Part Number

Description

 

 

 

G

 

Beckett Burner with dual Aquastat

 

 

228-44392-05

 

 

 

@ 0.85 GPH, 120 V, 1-stage

 

 

 

 

 

 

 

J

E

 

 

 

 

 

 

 

 

 

 

 

C-DW1-70L6OF

 

 

 

Input

119,000 BTU/Hr.

34.8 kW

Water Heating

 

 

 

 

 

 

 

First Hour Rating

174

145

659

Gal.

Imp. Gal.

Liters/Hr.

 

Space Heating

 

 

 

CAAFUE%

 

78

 

Max. Heating

55,000

 

16.1 kW

Capacity

BTU/Hr.

 

 

Based on ANSI Z21.10.1 and 10.3 and DOE Test Methods.

Based on ANSI/ASHRAE 124 Standard. Actual values may vary based on circulator flow rate, number of zones, water and space heating demands. Numbers subject to change.

Meets NAECA Requirements

General

This oil powered water heater is certified at 300 PSI test pressure (2068 kPa) and 150 PSI working pressure (1034 kPa). All potable water and heat exchanger connections are 3⁄4" NPT (19mm). The potable water connections are on 11" (203mm) centers.

All models design certified by CSA International (formerly AGA/CGA).

Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.

Suitable for Water (Potable) Heating and Space Heating

Toxic chemicals, such as those used for boiler treatment, shall NEVER be introduced into the potable water side. The potable side of this unit may NEVER be connected to any existing heating system or component(s) previously used with a non-potablewater heating appliance. The heat exchanger side of the unit may be used in space heating applications.

Ambler, PA

For U.S. and Canada field service, contact your professional installer or local Bradford White sales representative.

Sales 800-523-2931Fax 215-641-1670 / Technical Support 800-334-3393Fax 269-795-1089Warranty 800-531-2111Fax 269-795-1089International:Telephone 215-641-9400Telefax 215-641-9750 /www.bradfordwhite.com

Sales / Technical Support 866-690-0961 / 905-238-0100Fax 905-238-0105 / www.bradfordwhite.com

©2007, Bradford White Corporation. All rights reserved.

 

 

544-B-1207-A

Printed in U.S.A.