UTICA BOILERS SW3 Manuale di istruzioni

OIL FIRED DIRECT EXHAUST

CAST IRON BOILER

INSTALLATION, OPERATION &

MAINTENANCE MANUAL

P/N# 27515401, Rev. A [03/2011]

An ISO 9001-2008 Certified Company

Utica Boilers

2210 Dwyer Avenue, Utica NY 13504-4729

Phone: (315) 797-1310 • Fax: (866) 432-7329

e-mail: [email protected]

web site: www.ecrinternational.com

Tested For 75 psig.

ASME Working Pressure

tABLE OF CONtENtS

Safety Symbols........................................................................................................................... 3

Installation ................................................................................................................................ 4

Connecting Supply And Return Piping............................................................................................. 5

Recommended Piping For Boilers Equipped With A P3 Or T4 Tankless Heater........................................ 9

Options Utilizing 3/4" Tapping ......................................................................................................10

Oil Tank And Piping.....................................................................................................................11

Electrical Wiring .........................................................................................................................12

Thermostat Installation ...............................................................................................................13

Normal Sequence Of Operation.....................................................................................................14

Operating Instructions.................................................................................................................14

Instructions To Obtain Proper Operation Of The Boiler-Burner Unit ....................................................15

Preventive Maintenance...............................................................................................................16

Instructions For Opening And Closing Burner Swing Door.................................................................16

Service Check List ......................................................................................................................17

Sw Series Replacement Parts .......................................................................................................18

Dimensions................................................................................................................................26

Read All Instructions Before Installing.

Safety Symbols

The following dened symbols are used throughout this

manual to notify the reader of potential hazards of varying

risk levels.

SAFEty SymBOLS

WARNING

Keep boiler area clear and free from• combustible materials, gasoline and other

ammable vapors and liquids.

DO NOT obstruct air openings to boiler

• room.

Modication, substitution or elimination

•

of factory equipped, supplied or specied

components may result in property damage,

personal injury or the loss of life.

WARNING

Boiler and venting installations should be done

only by a qualied expert and in accordance

with the appropriate Utica Boilers Installation,

Operation and Maintenance manual.

Installing or venting a boiler or any other gas

appliance with improper methods or materials

may result in serious injury or death due to

re or to asphyxiation from poisonous gases

such as carbon monoxide which is odorless

and invisible.

DANGER

Indicates a hazardous situation which, if

not avoided, WILL result in death or serious

injury.

CAUTION

Indicates a hazardous situation which, if not

avoided, may result in minor or moderate

injury.

WARNING

Indicates a hazardous situation which, if

not avoided, could result in death or serious

injury.

NOTICE

Indicates information which should be

followed to ensure proper installation and

operation.

NOTICE

To the owner: Installation and service of•

this boiler must be performed by a qualied

installer.

To the installer: Leave all instructions with

• the boiler for future reference.

When this product is installed in the

• Commonwealth of Massachusetts installation

must be performed by a Licensed Plumber

or Licensed Gas Fitter.

Installation

Installation must conform to American Society of

Mechanical Engineers Safety Code for Controls and Safety

Devices for Automatically Fired Boilers, ANSI/ASME CSD-1.

In Canada installations must be in accordance with CSA

B139. In absence of such codes, installation must conform

to the requirements of authority having jurisdiction. Such

applicable requirements take precedence over general

instructions of this manual.

Locate boiler in front of nal position before removing

crate. Provide level solid base as near to vent outlet

as possible and centrally located with respect to heat

distribution system as practical.

Allow 24 inches in front and top for servicing and cleaning,

or removing tankless water heating coil.

When installed in utility room, door should be wide enough

to allow largest boiler part to enter, or permit replacement

of another appliance such as water heater.

Installation on Combustible Floors

Boiler shall not be installed directly on carpeting, tile or

other combustible material other than wood ooring. Boiler

must not be installed on carpeting or vinyl ooring.

INStALLAtION

WARNING

Improper installation, adjustment, alteration,

service or maintenance could result in

personal injury or loss of life.

Minimum clearances to combustible construction are:

TOP..............................................0.0 IN.

FRONT ..................................... 24.0 IN.*

FLUE CONNECTOR ..........................2.0 IN.

REAR ............................................0.0 IN.

LEFT SIDE .....................................0.0 IN.

RIGHT SIDE...................................0.0 IN.

* "FOR ALCOVE INSTALLATION"

Recommended clearance for service access should exceed

re protection clearance.

TOP ...............................................24 IN.

FRONT ...........................................24 IN.

FLUE CONNECTOR .............................9 IN.

REAR ...............................................6 IN.

LEFT SIDE ......................................10 IN.

RIGHT SIDE......................................6 IN.

Remove crate and plastic protective wrapper and inspect

for damage.

Our responsibility ceases upon delivery of the crated boiler

to the carrier in good condition. Any claims for damage or

shortage in shipment must be led immediately against

carrier by consignee. Move boiler to permanent position by

sliding or walking.

CONNECtINg SuppLy ANd REtuRN pIpINg

NOTICE

Circulators in following illustrations are mounted on system supply side, mounting on system return

side is also acceptable practice.

Figure 1 - Typical Installation Using Circulators

Figure 2 - Typical Installation Using Zone Valves

Typical installation using circulators shown in

1. Figure

Typical installation using zone valves shown in

2. Figure

Hot water boilers installed above radiation level must

be provided with low water device either as part of

boiler or at time of boiler installation.

When boiler is connected to heating system utilizing

multiple zoned circulators, each circulator must be

supplied with ow control valve to prevent gravity

circulation.

Reduced pressure back ow preventer must be • present under provisions required by Environmental

Protection Agency, (EPA).

Bypass piping is an option which gives ability to adjust

supply boiler water temperature to t system or

condition of installation. This method of piping is not

typically required for baseboard heating systems.

CONNECtINg SuppLy ANd REtuRN pIpINg

Method used to protect systems using radiant• panels and material they are encased in from high

temperature supply water from boiler. See

Figure

Method used to protect boilers from condensate• forming due to low temperature return water.

Generally noticed in large converted gravity systems

or other large water volume systems. See

Figure 4

Method used to protect boilers from condensate• forming as well as protecting heating system from

high water temperature. See

Figure 5

When using bypass piping, adjust valves A and B until

desired system temperature is obtained.

Bypass loop piping must be same size piping for supply

and return.

WITHIN 6"

Figure 3

CONNECtINg SuppLy ANd REtuRN pIpINg

Figure 4

Figure 5

CONNECtINg SuppLy ANd REtuRN pIpINg

Connect supply and return piping as suggested in

8. Figure 6

, when boiler is used in connection with

refrigerated systems:

Chilled medium must be in parallel with the boiler.A.

Use appropriate valves to prevent chilled mediumB. from entering heating boiler.

During heating cycle open valves A and B, close valves

C and D.

During heating cooling cycle open valves C and D, close

10.

valves A and B.

Maintain minimum clearance of one inch to hotA. water pipes.

In air handling units where they may be exposed to

refrigerated air circulation, boiler piping system MUST be

supplied with ow control valves or other automatic means

to prevent gravity circulation of boiler water during cooling

cycle.

For further piping information refer to the I=B=R

11.

installation and piping guide.

Figure 6

RECOmmENdEd pIpINg FOR BOILERS EquIppEd WIth A p3 OR t4 tANkLESS hEAtER

DANGER

Burn, scald hazard. Water temperatures

exceeding 125º F will cause severe burns

instantly or death by scalding.

An automatic mixing valve must be installed on the • outlet of the domestic coil. Installation must comply

with the valve manufacture’s recommendations, and

instructions.

Do not remove the bolts or aquastat at the time of

• installation.

Pipe in accordance with the installation manual.

•

Due to varying water conditions, an adjustable ow • restrictor must be installed in the cold water inlet of

this coil.

Figure 7 Recommended Piping For Boilers Equipped With A P3 Or T4 Tankless Heater

OptIONS utILIzINg 3/4" tAppINg

Figure 8 -

Optional Location For Air Vent

Figure 9 -

Optional Location For Expansion Tank (Non-Diaphragm Type)

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