A.O. Smith ACB-110S-N, ACB-150S-N, ACB-199S-N User Manual

COMMERCIAL-GRADE

PROLINE® XE HIGH EFFICIENCY COMBI BOILERS

COMMERCIAL-GRADE RESIDENTIAL

Ultra-Low NOx combi boiler provides high efﬁciency space heating and domestic hot water (DHW) in a compact footprint that’s easy to install and maintain.

FEATURES:

95% AFUE

ENERGY STAR® QUALIFIED

AVAILABLE IN NATURAL GAS OR PROPANE (LP)

USER FRIENDLY CONTROLS

• Programming the combi boiler takes less than two minutes and uses plain text rather than number codes.

AIR HANDLER INTERLOCK

• Priority control for DHW

RESIDENTIAL COMBI BOILERS

INDOOR MODELS

UP TO 74% MORE SPACE HEATING CAPACITY THAN COMPETITIVE COMBI BOILERS

MODULATING BURNER WITH 10:1 TURNDOWN

POWER DIRECT VENT DESIGN

• 2” up to 60 equivalent feet on the 110 and 150 models only

• 3” up to 100 equivalent feet on all models

• Flexible venting with PVC (solid core), Polypropylene, CPVC, and stainless steel.

INDUSTRY LEADING DHW DELIVERY UP TO 4.8 GPM @ 77°F RISE

FIRE TUBE HEAT EXCHANGER

• Innovative design increases heat transfer

• Lower pressure drop than water tube designs

MAXIMUM WORKING PRESSURE

• 150 PSI DHW

• 50 PSI Boiler

COMPLIES WITH LEAD FREE STANDARDS

QUICKER DHW RESPONSE

• Advanced control technology prevents the cold water sandwich often found with other combi boilers.

ACCESSORIES

• Low Water Cut-off with Manual Reset and Test

• Neutralizer Kit

• Isolation Valve Kit

• Concentric Termination

• Sidewall Vent Termination

• Product Preservers

• Floor Stand

• Outdoor Temperature Sensor

• Natural Gas to LP Conversion Kit

WARRANTY

• 10-year limited warranty on heat exchanger in residential applications

• 5-year limited warranty on all parts

Anti-Scale System

www.hotwater.com | 800-527-1953 Toll-Free USA | A. O. Smith Corporation | 500 Tennessee Waltz Parkway | Ashland City, TN 37015

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COMMERCIAL-GRADE

150-199 Models

BOTTOM

FRONT

RESIDENTIAL COMBI BOILERS

Model

Number*

Gas Consumption Input

Minimum

BTU/H

Maximum

BTU/H

AFUE%

Heating

Capacity

BTU/H

Net AHRI

Rating

BTU/H**

Minimum

in. W.C.†

Maximum

in. W.C.

GPM at

77°F Rise

Water Connections

Space

Heating

DHW

Gas

Connection

Approx.

Shipping

Weight (lbs)

Indoor Models ACB-110S-N 11,000 110,000 95.0 102,000 89,000 4.0 14.0 2.6 1” NPT 3/4” NPT 1/2” NPT 139 ACB-150S-N 15,000 150,000 95.0 139,000 121,000 4.0 14.0 3.6 1” NPT 3/4” NPT 1/2” NPT 142 ACB-199S-N 19,999 199,999 95.0 185,000 161,000 4.0 14.0 4.8 1” NPT 3/4” NPT 1/2” NPT 159

*S Models can operate up to 4,500’. For high altitude (3,000’ - 9,600’), change S to H. For liquid propane (LP), change N to P. †For LP, minimum supply pressure is 8.0 in. W.C. **The Net AHRI Water Ratings shown are based on a piping and pickup allowance of 1.15. The manufacturer should be consulted before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc. The ratings have been determined under the provisions governing forced draft boilers.

Model Number

A B C D E F G H I

Dimensions

ACB-110S-N 32-1/2” 17-1/4” 18” 14-3/4” 2-3/4” 6-1/2” 2-3/4” 2” 3-1/2” ACB-150S-N 32-1/2” 18-3/4” 18” 6-3/4” 2-3/4” 6-3/4” 11-3/4” 2-1/2” 6-1/4” ACB-199S-N 32-1/2” 18-3/4” 18” 5-1/2” 2-3/4” 6-3/4” 11-1/2” 2-1/4” 5-1/2”

Model Number

J K L M N O P Q R

Dimensions

ACB-110S-N 8-3/4” 13-1/2” 2-3/4” 9” 10-1/2” 5” 14-1/2” 12-3/4” 5” ACB-150S-N 2-3/4” 13-1/2” 3” 9” 11-1/2” 5” 6-1/4” 13-3/4” 6” ACB-199S-N 2-3/4” 13-1/2” 2-3/4” 9-1/2” 10-1/2” 2-3/4” 5-1/2” 13” 5-1/4”

TOP

M N T U

TOP

110 Models

For technical information call 800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.

www.hotwater.com | 800-527-1953 Toll-Free USA

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