RBI Spectrum series Installation And Operation Instructions Manual
SPMI0M-10
82-0255
Finned Copper Tube
Gas Boilers (SB) &
Water Heaters (SW)
Boiler Manual
Installation and Operation
Instructions
is manual is intended only for use by a qualied heating installer/technician. Read and follow this manual, all supplements and related
instructional information provided with the boiler. Install, start and service the boiler only in the sequence and methods given in these
instructions. Failure to do so can result in severe personal injury, death or substantial property damage.
Do not use the boiler during construction. Construction dust and particulate, particularly drywall dust, will cause contamination
of the burner, resulting in possible severe personal injury, death or substantial property damage. e boiler can only be operated with
a dust-free air supply. Follow the instruction manual procedures to duct air to the boiler air intake. If the boiler has been contaminated
by operation with contaminated air, follow the instruction manual guidelines to clean, repair or replace the boiler if necessary.
Ax these instructions near to the boiler. Instruct the building owner to retain the instructions for future use by a qualied service
technician, and to follow all guidelines in the User’s Information Manual.
02/14 Copyright Mestek, Inc.
Finned copper tube gas boilers & water heaters – Boiler Manual
If the information in this manual is not followed
exactly, a fire or explosion may result causing property,
personal injury or loss of life.
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other applianc
WHAT TO DO IF YOU SMELL GAS:
• Donottryto light anyappliance.
• Do not touch anyelectrical switch. Do not use any
phoneinyourbuilding.
• Immediatelycallyourgassupplierfromaphoneoutside
thebuilding.Followthegassupplier’sinstructions.
• If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a qualified
installer,serviceagencyor thegassupplier.
Assurez-vous de bien suivre les instructions données
dans cette notice pour réduire au minimum le risque
d’incendie ou d’explosion ou pour éviter tout dommoge
matériel, toute blessure ou la mort
Ne pas entreposer ni utiliser d’essence ou ni d’autres
vapeurs ou liquides inflammables à proximité de cet
appareiloudetout autre appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Nepastenterd’allumerd’appareil.
• Netouchezà aucuninterrupteur;ne pasvousservir
destéléphonessetrouvantdansle bâtiment.
• Appelezimmédiatementvotrefournisseurdegasdepuis
unvoisin.Suivezles intructionsdu fournisseur.
• Si vousnepurvez rejoindrele fournisseur,appelezle
service des incendies.
L’installation et l’entretien doivent être assurés par un
installateurou unservice d’entretien qualifié ou parle
fournisseurdegaz.
Failure to properly vent this unit can cause excessive
amounts of carbon monoxide resulting in severe
personal injury or death!
DESIGNEDAND TESTEDACCORDINGTOA.S.M.E.
BOILER AND PRESSURE VESSEL CODE,SECTION
IV FOR A MAXIMUM ALLOWABLE WORKING
PRESSURE OF160PSI, 1103 kPaWATER .
INSTALLER, THESE INSTRUCTIONS TO BE AFFIXED
ADJACENT TO THE HEATER.
CONSUMER, RETAIN THESE INSTRUCTIONS FOR
FUTURE REFERENCE PURPOSES.
BEFORE YOUR START . . . . . . . . . . . . . . . . PAGE 2
RATINGS & CAPACITIES . . . . . . . . . . . . . . . PAGE 3
BOILER/WATER HEATER LOCATION . . . . . . . . .PAGE 3
COMBUSTION AIR & VENTILATION . . . . . . . . . . PAGE 3
CHIMNEY & VENT PIPE CONNECTIONS . . . . . . PAGE 10
COMMON VENT SYSTEMS . . . . . . . . . . . . . PAGE 12
OUTDOOR VENTING . . . . . . . . . . . . . . . . . PAGE 13
GENERAL PIPING REQUIREMENTS . . . . . . . . PAGE 13
HEATING SYSTEM PIPING . . . . . . . . . . . . . PAGE 15
DOMESTIC WATER SUPPLY PIPING . . . . . . . . PAGE 18
GAS SUPPLY PIPING . . . . . . . . . . . . . . . . PAGE 21
ELECTRICAL WIRING . . . . . . . . . . . . . . . . PAGE 22
GENERAL OPERATION . . . . . . . . . . . . . . . PAGE 22
OPERATING INSTRUCTIONS . . . . . . . . . . . . PAGE 27
CHECKING & ADJUSTMENTS. . . . . . . . . . . . PAGE 29
CONTROL DESCRIPTION . . . . . . . . . . . . . . PAGE 30
MAINTENANCE . . . . . . . . . . . . . . . . . . . PAGE 32
REPAIR PARTS . . . . . . . . . . . . . . . . . . . . PAGE 37
BEFORE YOU START
is manual covers the application, installation, operation and
maintenance of a Spectrum nned copper heating boiler/water
heater/pool heater (Canada Only).
To obtain the safe, dependable, ecient operation and long life for
which this heating boiler/water heater was designed, these
instructions must be read, understood and followed.
e Spectrum nned copper heating boiler/water heaters have been
design certied by CSA for use with natural and propane gas under
the latest revision of ANSI-Z21.10.3/CSA 4.3, Gas Water Heaters,
ANSI-Z21.13/CSA 4.9, Gas-Fired Low Pressure Steam and Hot
Water Boilers and CAN-1-3.1, Industrial and Commercial Gas
Fired Boilers. Each unit has been constructed and hydrostatically
tested for a maximum working pressure of 160 psi, 1103 KPa in
accordance with Section IV of the A.S.M.E. Boiler and Pressure
Vessel Code.
All aspects of the boiler/water heater installation must conform to
the requirements of the authority having jurisdiction, or, in the
absence of such requirements, to the National Fuel Gas Code, ANSI
Z223.1/NFPA54-latest revision.
In Canada, the installation must be in accordance with the
requirements of CAN/CGA B149.1 or .2, Installation Code
for Gas Burning Appliances and Equipment.
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Finned copper tube gas boilers & water heaters – Boiler Manual
If installed in the Commonwealth of Massachuses, you MUST
FOLLOW the additional instructions contained in RBI's instr uction
sheet MACODE-3. If you do not have a copy, cal l your RBI distributor
or contact the RBI Customer Service Department.
e owner should maintain a record of all service work performed
with the date and a description of the work done. Include the name
of the service organization for future reference.
Direct all questions to your RBI distributor or contact the RBI
Customer Service Department, 260 North Elm Street, Westeld,
MA 01085 for U.S. or 7555 Tranmere Drive, Mississauga ONT
L5S 1L4 for Canada. Always include the model and serial numbers
from the rating plate of the boiler/water heater in question.
2. An optimum site will be level, central to the piping system, close
to a chimney and have adequate fresh air for combustion. Ensure
that the boiler/water heater is level from front to back and from
side to side. Use metal shims to level the boiler/water heater.
Electrical and electronic components must also be protected
from exposure to water during operation and maintenance. DO
NOT install this boiler/water heater in a location that would
subject any of the gas ignition components to direct contact
with water or excessive moisture during operation or servicing.
3. Ensure that the oor is structurally sound and will support the
weight of the boiler/water heater.
e Spectr um may be installed directly on combustible
ooring, only if RBI supplied special oor pan is used
but never on carpeting, see Table 2.
RATINGS & CAPACITIES
Before undertaking the installation of the Spectrum boiler/water
heater check the rating plate to ensure that the unit has been sized
properly for the job. e "Net AHRI Ratings" specify the equivalent
amount of direct cast iron radiation that the unit can supply under
normal conditions. Also ensure that the unit has been set up
for the type of gas available at the installation site. Other
important considerations are the availability of an adequate electrical
supply, fresh air for combustion and a suitable chimney or vent
system.
BOILER/WATER HEATER LOCATION
1. is boiler/water heater is suitable for indoor and outdoor
installations. Locate the boiler/water heater in an area that
provides good access to the unit. Servicing may require the
removal of jacket panels. Allow the minimum clearances between
adjacent construction and the boiler/water heater as listed in
Table 1.
Service clearances are not mandatory, but are
recommended to ensure ease of service should it
be required.
Table 1
Clearance to
Combustibles
Top 14 356 18 457
Back 6 152 18 457
Left Side 6 152 24 609
Right Side 6 152 24 609
Front 6 152 24 609
Flue 6 152 6 152
in mm in mm
Service
Clearance
Table 2 Special Base for Combustion Floors
Model Number Part Number
100 70-1248
150 70- 1249
200 70- 1250
250 70-1251
300 70-1252
350 70-1253
400 70-1254
4. Locate the boiler/water heater in an area that will prevent water
damage to adjacent construction should a leak occur or during
routine maintenance. If such a location doesn’t exist, a suitable
drain pan that’s adequately drained must be installed under the
unit. e pan must not restrict the ow of combustion air to
the unit.
5. DO NOT place this boiler/water heater in a location that would
restrict the introduction of combustion air into the unit or
subject it to a negative pressure, see “GENEL VENTING
GUIDELINES”.
6. NEVER place this boiler/water heater in a location that would
subject it to temperatures at or near freezing. See the “Freeze
Protection” section on page 8.
Never store combustible materials, gasoline or any
product containing ammable vapors or liquids in the
vicinity of the boiler/water heater. Failure to comply
with this warning can result in an explosion or fire
causing extensive property damage, severe
personal injury or death!
Units installed outdoors MUST be protected from ice
and snow accumulation or the unit will be damaged
voiding the warranty!
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Finned copper tube gas boilers & water heaters – Boiler Manual
COMBUSTION AIR & VENTILATION
is boiler/water heater must be supplied with
combustion air in accordance with Section 5.3, Air
for Combustion & Ventilation, of the latest revision
of the National Fuel Gas Code, ANSI Z223.1/NFPA
54 and all applicable local building codes. Canadian
installations must comply with CSA B149.1 or .2
Installation Code for Gas Burning Appliances and
Equipment, or applicable provisions of the local
building codes. Failure to provide adequate combustion
air for this boiler/water heater can result in excessive
levels of carbon monoxide that can result in severe
personal injury or death!
To operate properly and safely this boiler/water heater requires a
continuous supply of air for combustion. NEVER store objects on
or around the boiler/water heater!
Combustion air contaminated with uorocarbons or
other halogenated compounds such as cleaning
solvents and refrigerants will result in the formation
of acids in the combustion chamber. ese acids will
cause premature failure of the boiler/water heater
voiding the warranty!
If the boiler/water heater is operated w hile the building
is under construction it MUST be protected from
wood, concrete, sheet rock and other types of dust.
Failure to properly protect the unit from construction
dust will damage the unit voiding the warranty!
All Air From Inside The Building
If the boiler/water heater is to be located in a conned space,
minimum clearances listed in Table 1 must be maintained between
the boiler/water heater and any combustible construction. When
installed in a conned space, Figures 1 and 2, two permanent
openings communicating with an additional room(s) are required.
e combined volume of these spaces must have sucient volume
to meet the criteria for an unconned space. e total air
requirements of all gas utilization equipment, replaces, wood stoves
or any type of exhaust fan must be considered when making this
determination. Each opening must have a minimum free area of
1 in2/1000 Btu/hr, 2200 mm2/kW based on the total input rating
of ALL gas utilization equipment in the conned area. Each opening
must be no less than 100 in2, 64,516 mm2 in size. e upper
opening must be within 12 in, 305 mm of, but not less than 3 in,
76 mm from, the top of the enclosure. e boom opening must be
within 12 in, 305 mm of, but not less than 3 in, 76 mm from, the
boom of the enclosure.
All Air From Outside The Building
When installed in a conned space two permanent openings
communicating directly with, or by ducts to, the outdoors or spaces
that freely communicate with the outdoors must be present. e
upper opening must be within 12 in, 305 mm of, but not less than
3 in, 76 mm from, the top of the enclosure. e boom opening
must be within 12 in, 305 mm of, but not less than 3 in,
76 mm from, the boom of the enclosure.
Where directly communicating with the outdoors or communicating
with the outdoors through vertical ducts, each opening shall have
a minimum free area of 1 in
total input rating of all of the equipment in the enclosure.
Where communicating with the outdoors through horizontal ducts,
each opening shall have a minimum free area of 1 in
1100 mm2/kW of the total input rating of all of the equipment in the
enclosure.
When louvers and screens are used, they must have the same crosssectional area as the free area of the opening to which they connect.
When calculating the free area necessary to meet the make-up air
requirements of the enclosure, consideration must be given to the
blockage eects of louvers, grills and screens. Screens must have a
minimum mesh size of 1/4 in, 6.4mm. If the free area through a
louver or grill is not known, ducts should be sized per Table 3.
Canadian installations must comply with CSA B149.1 when air
supply i s provided by natural air ow from the outdoors for natural
dra, partial fan-assisted, fan-assisted, or power dra-assisted
burners, there shall be a permanent air supply opening(s) having
a cross-sectional area of not less than 1 in
(310 mm2 per kW) up to and including 1 million Btuh, plus
1 in2per14,000Btuh (155 mm2 per kW) in excess of 1 million
Btuh.
Table 3 Make-up Air Louver Sizing
Input
(MBH)
1/4 in 6.4 mm
Wire Screen
2
in
cm
100 25 161 33 213 100 645
150 37 858 50 322 150 967
200 50 322 67 432 200 1290
250 62 400 83 535 250 1612
300 75 484 100 645 300 1934
350 87 561 117 754 350 2257
400 100 645 133 858 400 2579
2
/4000 Btu/hr, 550 mm2/kW of the
2
/2000 Btu/hr,
2
per 7,000 Btuh
Required Cross Sectional Area
2
75% Free Area
Metal Louvers
2
in
cm
2
25% Free Area
Wooden Louvers
2
in
cm
2
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Finned copper tube gas boilers & water heaters – Boiler Manual
CHIMNEY & VENT PIPE CONNECTIONS
e vent installation must be in accordance with Part
7, Venting of Equipment, of the latest revision of the
National Fuel Gas Code, ANSI Z223.1/NFPA 54 or
applicable provisions of the local building codes.
Canadian installations must comply with CSA B149.1
or .2 Installation Code. Improper venting can result
in excessive levels of carbon monoxide which can result
in severe personal injury or death!
Never modify or alter any part of the boiler’s dra
hood. is includes the removal or alteration of any
baes. Never install a vent pipe of a diameter dierent
than that of the boiler dra hood ue collar. Failure
to comply with this warning can result in severe
personal injury or death!
Always provide a minimum clearance of 6 in,152 mm between
type C vent pipe and any combustible materials. Type B1 vent may
be used, clearance between it and any combustible material must
be as listed.
Chimney Inspection & Sizing
A thorough inspection of the masonry chimney must be
performed to ensure that the chimney is clean, properly constructed,
lined and sized. Exterior masonry chimneys should not be used
unless properly lined to prevent condensation and dra problems.
Table 4 lists the equivalent breeching and ue sizes required for
the boiler/water heater.
Table 4 Equivalent Breeching and Chimney Size
Model
Size
100 5 127
150 6 152
200 7 178
250 8 203
300 8 203
350 9 229
400 10 254
Note: These sizes are based on a 20 ft, 6.1 m chimney height.
Size
in
Size
mm
When more than one appliance is connected to the same chimney
ue, the ue must be large enough to safely vent the combined
output of all the appliances.
If an appliance using any type of a mechanical dra
system operating under positive pressure is connected
to a chimney ue, never connect any other appliances
to this ue. Doing so can result in the accumulation
of carbon monoxide which can cause severe personal
injury or death!
Vent Connections
Always use a type B or single wall galvanized metal vent
pipe the same diameter as the dra hood ue collar, Table 4. Use
the shortest, straightest vent system possible for the installation. If
horizontal runs exceed 6 , 1.8 m they must be supported at 6 ,
1.8 m intervals with overhead hangers. e vent system should be
sloped up toward the chimney at a minimum rate of 1/4 in/,
20 mm/m and terminate ush with the inside of the chimney ue.
Fasten each connection with at least 3 corrosion resistant sheet
metal screws.
Failure to maintain minimum clearances between vent
connectors and any combustible material can result
in a re causing extensive property damage, severe
personal injury or death!
To determine the appropriate power venter for the boiler/water
heater, see Table 5, Power Venter Sizes. Follow the power venter
manufacturer’s installation instructions.
Table 5 Power Venter Sizes
Spectrum Power Venter
Model Model
100-250 HS-1 100 31
300-400 HS-2 100 31
Max. Pipe Length
ft mm
COMMON VENT SYSTEMS
If an existing boiler/water heater is removed from a
common venting system, the common venting system may then
be too large for the proper venting of the remaining appliances
connected to it. At the time of removal of an existing boiler/water
heater, the following steps shall be followed with each appliance
remaining connected to the common venting system placed in
operation, while the other appliances remaining connected to the
common venting system are not in operation.
Au moment du retrait d’une chaudière existante, les mesures suivantes
doivent être prises pour chaque appareil toujours raccordé au système
d’évacuation commun et qui fonctionne alors que d’autres appareils
toujours raccordés au système d’évacuation ne fonctionnent pas:
système d’évacuation.
a) Seal any unused openings in the common venting system.
Sceller toutes les ouvertures non utilisées du sys-tème d’évacuation.
b) Visually inspect the venting system for proper size and horizontal
pitch and determine there is no blockage or restriction, leakage,
corrosion and other deciencies which could cause an unsafe
condition.
Inspecter de façon visuelle le système d’évacuation pour
déterminer la grosser et l’inclinaison horizontale qui conviennent
et s’assurer que le système est ex-empt d’obstruction,
d’étranglement de fruite, de corrosion et autres défaillances qui
pourraient présenter des risques.
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Finned copper tube gas boilers & water heaters – Boiler Manual
c) Insofar as is practical, close all building doors and windows and
all doors between the space in which the appliances remaining
connected to the common venting system are located and other
spaces of the building. Turn on clothes dryers and any appliance
not connected to the common venting system. Turn on any
exhaust fans, such as range hoods and bath-room exhaust, so
they will operate at maximum speed. Do not operate a summer
exhaust fan for a boiler installation. Close replace dampers.
Dans la mesure du possible, fermer toutes les portes et les fenêtres
du bâtiment et toutes les portes entre l’espace où les appareils
toujours raccordés du système d’évacuation sont installés et
les autres espaces du bâtiment. Mere en marche les sécheuses,
tous les appareils non raccordés au système d’évacuation commun
et tous les ventilateurs d’extraction comme les hoes de cuisinère
et les ventilateurs des salles de bain. S’assurer que ces ventilateurs
fonctionnent à la vitesse maximale. Ne pas faire fonctionner les
ventilateurs d’été. Fermer les registres des cheminées.
d) Place in operation the appliance being inspected. Follow the
lighting instructions. Adjust thermostat so appliance will operate
continuously.
Mere l’appareil inspecté en marche. Suivre les instructions
d’allumage. Régler le thermostat de façon que l’appareil fonctionne
de façon continue.
e) Test for spillage at the dra hood relief opening aer 5 minutes
of main burner operation. Use the ame of a match or candle,
or smoke from a cigaree, cigar or pipe.
Faire fonctionner le brûleur principal pendant 5 min ensuite,
déterminer si le coupe-tirage déborde à l'ouverture de décharge.
Utiliser la amme d'une allunee ou d'une chandelle ou la fumée
d'une ciga-ree, d'un cigare ou d'une pipe.
f) Aer it has been determined that each appliance remaining
connected to the common venting system properly vents when
tested as outlined above, return doors, windows, exhaust fans,
replace dampers and any other gas-burning appliance to their
previous condition of use.
Une fois qu’il a été déterminé, selon la métode indiquée ci-
dessus, que chaque appareil raccordé au système d’évacuation
est mis à l’air libre de façor adéquate. Remere les portes et les
fenêtres, les ventilateurs, les registres de cheminées et les
appareils au gaz à leur position originale.
g) Any improper operation of the common venting system should
be corrected so the installation conforms with the National Fuel
Gas Code, ANSI Z223.1/NFPA 54. When resizing any portion
of the common venting system, the common venting system
should be resized to approach the minimum size as determined
using the appropriate tables in Part 11 in the National Fuel Gas
Code, ANSI Z223.1/NFPA 54 and or CAN/CGA B149
Installation Codes.
Tout mauvais fonctionnement du systéme d’évacuation commun
devrait étré corrigé de façor que l’installation soit conforme au
National Fue Gas Code, ANSI Z223.1/NFPA 54 et (ou) aux
codes d’installation CAN/CGA-B149. Si la grosseur d’une
section du système d’ évacuation doit étré modiée, le système
devrait étré modié pour.
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Finned copper tube gas boilers & water heaters – Boiler Manual
Figure 1 Vertical Venting with a Metal Chimney System and Inside Air
10 FT 3.1m
Figure 2 Vertical Venting using a Metal Chimney and Inside Air
RIOM-51
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Finned copper tube gas boilers & water heaters – Boiler Manual
OUTDOOR VENTING
SPECTRUM
HEADER
HOOD
SUPPLY/RETURN
HEADER HOOD
EXHAUST
HOOD
COMBUSTION
AIR HOOD
3'
0.9 m
4'
1.2 m
GENERAL PIPING REQUIREMENTS
When installed outdoors the Spectrum must be ed with the
factory supplied outdoor hood assembly, see Figure 3. Multiple
units must be spaced per Figure 3A.
e boiler/water heater must be at least 10 , 3.1 m from any
door, window or gravity air inlet into any building and at least
3 , 0.9 m from any overhang unless local codes dictate dierently.
Avoid locations where wind deection o of adjacent walls, buildings
or shrubbery might cause a down dra. e unit(s) should be located
at least 3 , 0.9 m from structures. Outdoor installations are not
recommended in areas where the danger of snow blockage exists.
Do not place the boiler/water heater in a location that
would subject it to runo from adjacent buildings or
damage may occur voiding the warranty!
Figure 3 Outdoor Venting
RIOM-53
Figure 3A Multiple Outdoor Units
Improper piping of this boiler/water heater will void the
manufacturer’s warranty and can cause boiler failure
resulting in ooding and extensive property damage!
Excessive water hardness causing lime build-up in
the copper heat exchanger tubes is NOT covered under
the manufacturer’s warranty. Excessive piing and
erosion of the internal surface of the copper heat
exchanger tubes is NOT covered under the
manufacturer’s warranty if the result of high water
ow rates, see Table 7 or 8. Return water temperatures
below 110°F, 43°C will result in heat exchanger
damage from excessive condensation voiding the
manufacturer’s warranty, see Primary/Secondary
Piping Figure 5.
Shut o valves and unions should be installed at the
inlet and outlet connections of the boiler water heater
to provide for isolation of the unit should servicing
be necessary.
Freeze Protection
is boiler/water heater is CSA designed certied for outdoor
installation. Outdoor installations in areas where the danger of
freezing exists are not recommended unless proper freeze protection
is provided. If the unit is to be installed in such an area the following
precautions MUST be observed:
1. A continuous ow of water through the boiler/water heater
MUST be maintained! e pump responsible for ow through
the boiler/water heater must run continuously!
2. An ethylene glycol/water mixture suitable for the minimum
temperature that the unit will be exposed to must be used. e
pump must be capable of producing 15% more ow and
overcoming a 20% increase in head loss. Domestic water systems
must be isolated from the water heater by the use of a
heat exchanger or other approved method.
3. If the boiler/water heater must be shut o for any reason the
electric, gas and water supplies MUST be shut o and the unit
and its pump completely drained.
Improper outdoor installation of this boiler/water heater
can cause boiler failure voiding the manufacturer's
warranty!
RIOM-54
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Finned copper tube gas boilers & water heaters – Boiler Manual
Relief Valve
1",
25 mm
Pipe the discharge of the pressure relief valve to prevent scalding in
the event of a discharge, see Figure 4. e discharge piping must be
sized the same as the pressure relief valve outlet and installed to allow
complete drainage of both the relief valve and the discharge piping.
Figure 4
RIOM-57
Never install any type of valve bet ween the boiler/water
heater and the relief valve or an explosion causing
extensive property damage, severe personal injury or
death may occur!
e thermal expansion of the system must be considered when
supporting the system. A minimum system pressure of 12 psig,
82.7 kPa must be maintained.
Heating Boiler Piping Connections
e supply and return connections should be sized to suit the
system, see Table 6.
Table 6 Supply and Return Pipe Sizing
Model Size Supply Size Return Size
100 thru 400 1 1/2” NPT 1 1/2” NPT
Pump Requirements
is low mass boiler requires a continuous minimum water ow
for proper operation. e boiler pump must be sized to overcome
the head loss of the boiler and the near piping in order to achieve
the required temperature rise. Table 7 and 8 provides the heat
exchanger pressure drop and temperature rise gures.
e temperature rise across the boiler must never exceed 30°F,
16.7°C. A pump delay is installed, the pump delay turns the pump
on each time the burners re and runs the pump up to 10 minutes
aer the call for heat is satised.
A temperature rise outside of the range listed in Tables
7 or 8 indicates that the ow rate through the heat
exchanger is incorrect which will damage the heat
exchanger voiding the warranty!
Flow Switch
e ow switch supplied with the boiler/water heater must
be wired to the terminal strip in the control panel to prevent the
boiler from ring unless there’s adequate water ow through the
unit. e ow switch must be installed in the supply piping adjacent
to the boiler outlet connection.
Failure to properly install the ow switch may result
in damage to the boiler/water heater heat exchanger
voiding the warranty!
HEATING SYSTEM PIPING
General Piping Requirements
All heating system piping must be installed by a qualied technician
in accordance with the latest revision of the ANSI/ASME Boiler and
Pressure Vessel Code, Section IV, and ANSI/ASME CSD-1,
Standard for Controls and Safety Devices for Automatically Fired
Boilers. All applicable local codes and ordinances must also be
followed. A minimum clearance of 1 in, 25 mm must be maintained
between heating system pipes and all combustible construction. All
heating system piping must be supported by suitable hangers not the
boiler.
e maximum allowable ow rate through a Spectrum
boiler with copper heat exchanger is 92 GPM,
5.8 L/s (2-pass heat exchanger) and 46 GPM,
2.9 L/s (4-pass heat exchanger).
Low Water Cuto
If a boiler is installed above any radiation elements it must be ed
with a low water cuto device.
Refer to wiring diagram supplied with the boiler/water heater for
proper wiring connections.
Expansion Tank
An expansion tank or other means to control thermal expansion
must be installed in the heating system. An expansion tank must
be installed close to the boiler on the suction side of the system
pump.
Primary/Secondary Piping
Boilers connected to heating systems using zone valves, zone pumps,
or systems that have excessive ow rates or return water temperatures
less than 110°F, 43°C must be isolated from these systems to protect
the boiler.
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Finned copper tube gas boilers & water heaters – Boiler Manual
Table 7 Temperature Rise Table – 2 Pass Headers
∆T = 10°F ∆T = 5.5°C ∆T = 20°F ∆T = 11.1°C ∆T = 30°F ∆T = 16.7°C
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Model
Number
GPM
Ft
L/s kPa GPM
Ft
L/s kPa GPM
Ft
100 16.4 0.05 1.0 0.1 — — — — — — — —
150 24.6 0.13 1.6 0.4 — — — — — — — —
200 32.4 0.27 2.0 0.8 16.2 0.07 1.0 0.2 — — — —
250 40.5 0.48 2.6 1.4 20.3 0.13 1.3 0.4 — — — —
300 49.8 0.82 3.1 2.4 24.9 0.23 1.6 0.7 16.6 0.10 1.0 0.3
350 58.1 1.23 3.7 3.6 29.1 0.34 1.8 1.0 19.4 0.20 1.2 0.5
400 66.4 1.77 4.2 5.2 33.2 0.49 2.1 1.4 22.1 0.20 1.4 0.7
Note: Unit equipped with 4-pass headers, see Table 8.
Table 8 Temperature Rise Table – 4 Pass Headers
∆T = 10°F ∆T = 5.5°C ∆T = 20°F ∆T = 11.1°C ∆T = 30°F ∆T = 16.7°C
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Flow
Rate
Pres.
Drop
Model
Number
GPM
Ft
L/s kPa GPM
Ft
L/s kPa GPM
Ft
Flow
Rate
Pres.
Drop
L/s kPa
Flow
Rate
Pres.
Drop
L/s kPa
100 16.4 0.34 1.0 1.0 — — — — — — — —
150 24.6 0.94 1.6 2.8 — — — — — — — —
200 32.4 1.92 2.0 5.7 16.2 0.53 1.0 1.6 — — — —
250 40.5 3.46 2.6 10.2 20.3 0.96 1.3 2.8 — — — —
300 49.8* 5.89 3.1 17.3 24.9 1.63 1.6 4.8 16.6 0.80 1.0 2.3
350
29.1 2.47 1.8 7.3 19.4 1.20 1.2 3.4
See Note
400 33.2 3.54 2.1 10.4 22.1 1.70 1.4 4.9
Note: Unit equipped with 2-pass headers, see Table 7.
*Flow exceeds recommended maximum use a greater temperature rise or consult manufacturer. Cupro-nickel heat exchanger
should be considered.
10
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