UTICA BOILERS SW3 Manuale di istruzioni
SW
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
2
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.
3
Safety Symbols
The following dened 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.
Modication, substitution or elimination
•
of factory equipped, supplied or specied
components may result in property damage,
personal injury or the loss of life.
!
WARNING
Boiler and venting installations should be done
only by a qualied 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 qualied
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.
4
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.
5
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
6
Typical installation using circulators shown in
1. Figure
1
.
Typical installation using zone valves shown in
2. Figure
2
.
Hot water boilers installed above radiation level must
3.
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
4.
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
5.
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
3
.
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
6.
desired system temperature is obtained.
Bypass loop piping must be same size piping for supply
7.
and return.
WITHIN 6"
Figure 3
7
CONNECtINg SuppLy ANd REtuRN pIpINg
Figure 4
Figure 5
8
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
9.
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
9
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
10
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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