Utica Boilers CuB Specification

Suggested Specications Utica Boilers Copper Combi Boiler CCB-150

1.0 General Requirements:

1.1 Provide and Install Boiler(s) in accordance with the plan drawings, written specications and

contract documents.

1.2 All work shall be performed in a neat workmanship like manner compliant with all local code
authorities.

2.0 Submittal

2.1 Product Data: Submit manufacturer’s technical product data, including rated capacities of
selected model, weights (shipping, installed), installation and start-up instructions, and
furnished accessory information.

2.2 Shop Drawings: Submit manufacturer’s end assembly drawings indicating dimensions, connection
locations, and clearance requirements.

2.3 Wiring Diagrams: Submit manufacturer’s electrical requirements for the boiler including ladder
type wiring diagrams for interlock and control wiring.

3.0 Boiler Requirements

3.1 Boiler shall provide hot water for heating zones and shall include a built-in stainless steel brazed
plate heat exchanger to provide potable domestic hot water at the stated rate.

3.2 Boiler shall be certied for Category I and Category III operation.

3.3 Boiler shall be a wall hung model. An optional oor mounting stand shall be available from the
manufacturer. Boiler shall be factory re tested.

3.4 Refer to all local codes and jurisdictional requirements for installation of eld supplied anti-scald

valve(s).

4.0 Acceptable Manufacturers

4.1 Equivalent units and manufacturers must meet all performance criteria for all fuel options, and will
be considered upon prior approval.

5.0 Certications & Listings

5.1 Boiler shall be certied by CSA, AHRI

5.2 Boiler shall be constructed in accordance with the American Society of Mechanical Engineers
(ASME)

5.3 Boiler shall have an ASME H stamp that is applied to the heat exchanger. Each heat exchanger

shall be independently reviewed by an ASME authorized inspector. The boiler shall be rated for a
maximum allowable working pressure of 43.5 psig. The boiler shall be equipped with a 30 psig
relief valve.

6.0 Construction

6.1 Boiler heat exchanger shall be constructed of copper tube with copper ns, stainless steel support

plates and be covered with a high temperature protective coating.

6.2 Burner Components

6.2.1 Gas valve shall be a modulating valve capable of ring from 100% input ring rate to 33%
input ring rate.

ECR International, Inc.

2201 Dwyer Avenue, Utica NY 13501

Tel: [phone]

P/N 240010781 REV C, [02/2015]

6.2.2 Inducer draft blower shall be variable speed and controlled by a PCB that uses an air

pressure transducer to vary the induced draft blower speed.

6.2.3 Burners and manifold shall be constructed of stainless steel.

6.2.4 Ignition system shall be direct spark single rod ame sensing.

6.2.5 Boiler shall include an internal stainless steel brazed plate heat exchanger for potable

hot water and an automatic 3 way diverting valve to allow Domestic Hot Water Priority

operation.

6.2.6 Boiler shall include an internal pressure activated bypass loop to eliminate the need for
primary secondary piping.

6.2.7 Boiler shall include an internal factory installed and wired circulator pump.

6.2.8 Boiler can connect directly to heating systems of 8ft. head or less without an external
circulating pump.

7.0 Control System

7.1 Control system shall be PCB integral controller with an LCD digital display that also includes

graphical interface.

• Control will sense supply water temperature and adjust ring rate of the boiler to deliver

amount of heat needed.

• Control will sense and display supply water temperature and indicate by icon when boiler is

in central heating or domestic water mode.

• Control will have Economy/Comfort mode. Comfort mode will maintain brazed plate heat
exchanger at between 104°F to 140°F to speed DHW delivery.

• Control can accept wired Outdoor Air sensor and have eld selectable reset curves.

• Control shall continuously monitor boiler during operation and standby modes. Control shall

operate in such a manner to receive input data from dual temperature sensor, air pressure
transducer, and outdoor air temperature sensors when used to adjust modulation rate
accordingly.

• Control can power and accept input from eld supplied LWCO device.

8.0 Combustion Air And Flue Vent Exhaust

8.1 The boiler shall be either Category I or Category III vented with materials compatible with those

standards, and installed as per the manufacturer’s written instruction, plan drawings and all
applicable code authorities.

8.2 The ue gas exhaust shall connect directly to the boiler at the location labeled.

8.3 For Category III applications boiler shall be capable of venting 65ft equivalent length in 3”

stainless pipe.

ECR International, Inc.

2201 Dwyer Avenue, Utica NY 13501

Tel: [phone]

P/N 240010781 REV C, [02/2015]