ECR International ARGO Guida utente

APPLICATION GUIDE

FOR

M U LTI PLE

GAS FIRED

HOT WATER BOILER

INSTALLATIONS

UP TO 4 UNITS

Manufactured by:

ECR International Inc.

2201 Dwyer Avenue, Utica, NY 13501

Tel. 800 325-5479

www.ecrinternational.com

PN 240013666 REV. A [06/30/2022]

2PN 240013666 REV. A [06/30/2022]

Table of Contents

SAFETY INFORMATION �� 3-4

CODES AND STANDARDS �� 5

ENGINEERING AND DIMENSIONAL DATA��6

BOILER RATINGS & CAPACITIES �� 7

TYPICAL LAYOUTS FOR HOT WATER HEATING SYSTEMS��8-12

COMBUSTION AIR REQUIREMENTS ��13

COMMON VENTING REQUIREMENTS��14

VENTILATION AND COMBUSTION ��15

VENT INSTALLATION��16

REMOVAL OF BOILER FROM VENTING SYSTEM��17

GAS SERVICE ��18

OPTIONAL CONTROLS AND WIRING��19

ARGO AMB CONTROLS �� 20-22

3PN 240013666 REV. A [06/30/2022]

NOTICE

Used to address practices not related to

personal injury�

CAUTION

Indicates a hazardous situation which, if not

avoided, could result in minor or moderate injury�

WARNING

Indicates a hazardous situation which, if not

avoided, could result in death or serious injury�

DANGER

Indicates a hazardous situation which, if not

avoided, WILL result in death or serious injury

This is the safety alert symbol� Symbol

alerts you to potential personal injury

hazards� Obey all safety messages

following this symbol to avoid possible

injury or death�

Become familiar with symbols identifyingBecome familiar with symbols identifying

potential hazards.potential hazards.

WARNING

Fire, Explosion, Asphyxiation, Electrical shock

hazard! Flooding will result in damages such as

electrical problems, corrosion, inoperative parts,

mold and other unforeseen issues which can

occur over time� Any equipment determined by

a professional as damaged by a ood, dened as

excess of water or other liquid, shall be replaced�

Failure to follow these directions will result in a

Hazardous Situation�

FOR YOUR SAFETY READ BEFORE OPERATING

Hot Water Can Scald!

Water heated to temperature for clothes

washing, dish washing and other sanitizing

needs can scald and cause permanent injury�

Children, elderly, and inrm or physically

handicapped persons are more likely to be

permanently injured by hot water� Never leave

them unattended in bathtub or shower� Never

allow small children to use a hot water tap or

draw their own bath�

If anyone using hot water in the building ts the

above description, or if state laws or local codes

require certain water temperatures at hot water

taps, you must take special precautions:

• Use lowest possible temperature setting�

• Install some type of tempering device, such

as an automatic mixing valve, at hot water

tap or water heater� Automatic mixing valve

must be selected and installed according

to manufacturer's recommendations and

instructions�

• Water passing out of drain valves may be

extremely hot� To avoid injury:

Make sure all connections are tight�

Direct water ow away from any person.

DANGER

SAFETY INFORMATION

4PN 240013666 REV. A [06/30/2022]

CAUTION

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance�

• Do not touch any electrical switch; do not use

any phone in your building�

• Immediately call your gas supplier from a

neighbor’s phone� Follow gas supplier’s

instructions�

• If you cannot reach your gas supplier, call the re

department�

SAFETY INFORMATION

WARNING

Construction materials of appliance and

products of combustion and fuel contain

alumina, silica, heavy metals, carbon monoxide,

nitrogen oxides, aldehydes and /or other toxic

or harmful substances which can cause death or

serious injury and which are known to the State

of California to cause cancer, birth defects and

other reproductive harm� Always use proper

safety clothing, respirators and equipment when

servicing or working nearby the appliance�

WARNING

Combustion chamber insulation in this product

contains ceramic ber material. Ceramic bers

can be converted to cristobalite in very high

temperature applications� The International

Agency for Research on Cancer (IARC) has

concluded, Crystalline silica inhaled in the

form of quartz or cristobalite from occupational

sources is carcinogenic to humans (Group1)�

Avoid breathing dust and contact with skin and

eyes. Use NIOSH certied dust respirator (N95).

This type of respirator is based on the OSHA

requirements for cristobalite at the time this

document was written� Other types of respirators

may be needed depending on the job site

conditions� Current NIOSH recommendations can

be found on the NIOSH website https://www�cdc�

gov/niosh/topics/silica/� approved respirators,

manufacturers, and phone numbers are also

listed on this website� Wear long-sleeved, loose

tting clothing, gloves, and eye protection. Apply

enough water to the combustion chamber lining

to prevent dust� Wash potentially contaminated

clothes separately from other clothing� Rinse

clothes washer thoroughly�

NIOSH stated First Aid� Eye: Irrigate immediately�

Breathing: Fresh air�

WARNING

This prod

uct contains Fibrous glass� Fibrous

glass is a synthetic ber made from tiny particles

of glass. Fibrous glass has been classied as a

possible human carcinogen� When disturbed as a

result of servicing or repair, brous glass becomes

airborne and, if inhaled, may be hazardous to

your health� It can harm the eyes, skin, and the

lungs. Airborne bers from these materials have

been listed by the State of California as a possible

cause of cancer through inhalation� Adhere

to the following precautions and procedures�

Avoid breathing dust and contact with skin and

eyes. Use NIOSH certied dust respirator (e.g.,

N95)� Other types of respirators may be needed

depending on the job site conditions� Current

NIOSH recommendations can be found on the

NIOSH website https://www�cdc�gov/niosh/�

Approved respirators, manufacturers, and phone

numbers are also listed on this website� Wear

appropriate personal protective clothing to

prevent skin contact, as well as gloves and eye

protection� Wash skin daily at end of each work

shift, and prior to eating, drinking, smoking,

etc� Workers whose clothing may have been

contaminated should change into uncontaminated

clothing before leaving the work premises� Wash

potentially contaminated clothes separately from

other clothing� Rinse clothes washer thoroughly�

Follow all Local, State and Federal guidelines for

disposal�

NIOSH stated First Aid� Eye: Irrigate immediately�

Breathing: Fresh air�

5PN 240013666 REV. A [06/30/2022]

Installation shall be performed by a qualifed service

agency�

This instruction shall be used in conjunction with each

unit’s Installation, Operation and Maintanence Manual�

Installation shall conform to requirements of

authority having jurisdiction or in absence of such

requirements:

•

United States

• National Fuel Gas Code, ANSI Z223�1/NFPA 54

• National Electrical Code, NFPA 70�

• Canada

• Natural Gas and Propane Installation Code,

CAN/CSA B149�1 and B149�2

• Canadian Electrical Code, Part I, Safety Standard

for Electrical Installations, CSA C22�1

Where required by authority having jurisdiction,

installation shall conform to Standard for Controls

and Safety Devices for Automatically Fired Boilers,

ANSI/ASME CSD-1.

Additional manual reset low water cuto may be required.

Additional manual reset high temp limit may be required�

Massachusetts:

Boiler installation must conform to Commonwealth of

Massachusetts code 248 CMR which includes but is not

limited to installation by licensed plumber or gas tter.

WARNING

Fire, explosion, asphyxiation and electrical shock

hazard� Improper installation could result in

death or serious injury� Read this instruction

and individual boiler’s Installation, Operation

& Maintenance Manual and understand all

requirements, including requirements of authority

having jurisdiction, before beginning installation�

Installation not complete until appliance operation

veried per Installation, Operation & Maintenance

Manual provided with each boiler��

CODES AND STANDARDS

Codes and Standards

WARNING

Keep boiler area clear and free from

combustible materials, gasoline and other

ammable vapors and liquids.

DO NOT obstruct air openings to the boiler

room�

Modication, substitution or elimination

of factory equipped, supplied or specied

components may result in personal injury or

loss of life�

TO THE OWNER - Installation and service of

this boiler must be performed by a qualied

installer�

TO THE INSTALLER - Leave all instructions with

boiler for future reference�

When this product is installed in the

Commonwealth of Massachusetts the

installation must be performed by a Licensed

Plumber or Licensed Gas Fitter�

6PN 240013666 REV. A [06/30/2022]

Engineering and Dimensional Data

“C”

“A” “B” “A” “B” “A”

FRONT VIEW

RIGHT SIDE VIEW

5-3/8”

36-3/8”

12-1/4”

4-3/4”

26-1/2”

2”

29”

5-7/16”

5”

13-1/2”

3-1/16”

Table 1

WARNING

Fire, explosion, asphyxiation and electrical shock hazard� Improper installation could result in death

or serious injury� Read this instruction and individual boiler’s Installation, Operation & Maintenance

Manual and understand all requirements, including requirements of authority having jurisdiction, before

beginning installation. Installation not complete until appliance operation veried per Installation,

Operation & Maintenance Manual provided with each boiler�

Figure 1 - Dimensional Data

MULTIPLE GAS FIRED HOT WATER BOILER ENGINEERING AND DIMENSIONAL DATA*

Boiler Size NUMBER OF

BOILERS

SHIPPING

WEIGHT

(TOTAL)

WATER

CONTENT

(GALLONS)

TOTAL**

DIMENSIONS IN INCHES

A B*** C

8 Section 2 1105 20�2 27�5 10 75

9 Section 2 1232 23�6 30�75 10 81�5

8 Section 3 1656 30�3 27�5 10 112�5

9 Section 3 1848 34�8 30�75 10 122�25

8 Section 4 2210 40�4 27�5 10 150

9 Section 4 2464 47�2 30�75 10 163

*Consult Individual Boiler Installation & Operation Manual for Additional Information

** Exclusive of Field Installed External Piping

*** Requires 4’ sensor wire (240007708) to relocate Hydrolevel 3200 control to front of boiler for

access� If control is left in original position 24”�

7PN 240013666 REV. A [06/30/2022]

Boiler Ratings & Capacities

BOILER RATINGS

Boiler Size NUMBER OF

BOILERS

TOTAL

RATED

INPUT

TOTAL

RATED HEAT

CAPACITY

TOTAL

NET AHRI

RATING

FLUE

OUTLET

DIAMETER,

INCHES

COMMON

VENT

DIAMETER,

INCHES

CHIMNEY

DIAMETER

AND

HEIGHT

8 Section 2 525 442 384 7 12 12" x 20'

9 Section 2 598 504 438 7 12 12" x 20'

8 Section 3 787�5 663 576 7 14 14" x 20'

9 Section 3 897 756 657 7 14 14" x 20'

8 Section 4 1050 884 768 7 16 16" x 20'

9 Section 4 1196 1008 884 7 16 16" x 20'

Table 2

FRONT VIEW

FLUE OUTLET FLUE OUTLET

COMMON VENT

NOTE: See Boiler Installation Operation and Maintenance Manual included in

Literature for specic boiler installation requirements.

Figure 2 - Front View Common Venting

8PN 240013666 REV. A [06/30/2022]

ACCESS*

FRONT

ACCESS*

10"MIN.*

(S)

(R)

(S)

(R)

(S)

(R)

(B)

SYSTEM

SUPPLY

SYSTEM

RETURN

(B)

Typical Layouts for Hot Water Heating Systems

Figure 3 - Room Sizing - Parallel Reverse Return (3 Boilers shown)

Note:

• Access *is minimum 24” service clearance�

• Vent position, relief valve location, supply and return piping will vary depending on type of units�

LEGEND - PIPE SIZING

(S),(R) - 1¼ NPT BOILER SUPPLY AND RETURN

(B) - HEADER SIZING - REFER TO TABLE 3

(Supply & Return at Same Wall of Boiler Room)

9PN 240013666 REV. A [06/30/2022]

Figure 4 - Three (3) Unit Conrguration Parallel Reverse Piping Room Sizing

Note:

• Access *is minimum 24” service clearance�

• Vent position, relief valve location, supply and return piping will vary depending on type of units�

LEGEND - PIPE SIZING

(S), (R) - 1¼ NPT BOILER SUPPLY AND RETURN

(B) - HEADER - REFER TO TABLE 3

Typical Layouts for Hot Water Heating Systems

10"MIN.*

ACCESS*

FRONT

(B)

(S)

(R)

(B) ACCESS*

RETURN

(R)

(S)

(R)

(S)

SUPPLY

ACCESS*

(Supply & Return at Opposite Walls of Boiler Room)

10 PN 240013666 REV. A [06/30/2022]

Typical Layouts for Hot Water Heating Systems

Figure 5 - Typical Layouts for Modular Gas Fired Systems - Up to 4 Boilers Parallel Piping

BOILER

UP TO MAX. (INLINE)

OF 163"

TO FLOOR

DRAIN

(TYP)

(1 1/4")

SYSTEM

RETURN

UP TO 4 BOILERS

(B HEADER)

SYSTEM

SUPPLY

SYSTEM

TEMPERATURE

SENSOR

HIGH

LIMIT

(B HEADER)

LEGEND

- Locate temperature sensor within 3 to 5 feet after supply header�

- Maximum overall length is based on using (4) boilers having largest

footprint and 24” minimum service clearance between units�

4- Low Water Cuto Shall be mounted above the supply tting of the

boilers�

5 - CSD-1 High Limit Shall be within 1’ (1 foot) of nearest boiler�

Note:

• Modules may be placed back to back to save space�

• Refer to gure 3 for header size.

*For sizing system or boiler circulators, apply 10 GPM per 100,000 BTU (net) output�

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