RBI SPECTRUM Installation and Operation Instruction

SPMIOM-5

82-0255

SPECTRUM FINNED COPPER
GAS BOILERS (MODEL SB) &

WATER HEATERS (MODEL SW)

INSTALLATION & OPERATION MANUAL

DESIGNED AND TESTED ACCORDING TO A.S.M.E. BOILER AND PRESSURE
VESSEL CODE, SECTION IV FOR A MAXIMUM ALLOWABLE WORKING PRESSURE
OF 160 PSI, 1103 kPa WATER

WARNING: If the information in this manual is not followed exactly, a fire
or explosion may result causing property damage, personal injury or loss of life.

Do not store or use gasoline or other fl ammable vapors and liquids in the vicinity of
this or any other appliance.

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 the gas
supplier’s instructions.

• If you cannot reach your gas supplier, call the fi re department.

Installation and service must be performed by a qualifi ed installer, service agency or
the gas supplier.

WARNING: Failure to properly vent this unit can cause excessive amounts of carbon
monoxide resulting in severe personal injury or death!

INSTALLER, THESE INSTRUCTIONS TO BE AFFIXED ADJACENT TO THE HEATER.

CONSUMER, RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE PURPOSES.

260 North Elm Street 7555 Tranmere Drive
Westfi eld, MA 01085  Mississauga, Ontario L5S 1L4
Phone: [phone] Phone: [phone]
Fax: [phone] Fax: [phone]

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 2

AVERTISSMENT. 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 infl ammables
à proximité de cet appareil ou de tout autre appareil.

QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:

• Ne pas tenter d’allumer d’appareil.

• Ne touchez à aucun interrupteur; ne pas vous servir des téléphones se trouvant dans
le bâtiment.

• Appelez immédiatement votre fournisseur de gas depuis un voisin. Suivez les
intructions du fournisseur.

• Si vous ne purvez rejoindre le fournisseur, appelez le service des incendies.

L’installation et l’entretien doivent être assurés par un installateur ou un service
d’entretien qualifi é ou par le fournisseur de gaz.

CONTENTS

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 4

Common Vent Systems ......................................page 5

Outdoor Venting .................................................page 8

General Piping Requirements ............................page 8

Heating System Piping ....................................... page 9

Domestic Water Supply Piping ......................... page 13

Gas Supply Piping ............................................page 17

Electrical Wiring ................................................ page 18

General Operation ............................................page 19

Lighting Instructions .........................................page 20

Operating Instructions ......................................page 21

Checking & Adjustments ..................................page 22

Control Description ...........................................page 22

Maintenance ..................................................... page 23

Repair Parts ......................................................page 25

BEFORE YOU START

This manual covers the application, installation,
operation and maintenance of a Spectrum finned
copper heating boiler/water heater/pool heater.

To obtain the safe, dependable, effi cient operation and
long life for which this heating boiler/water heater was
designed, these instructions must be read, understood
and followed.

The Spectrum fi nned copper heating boiler/water heaters
have been design certifi ed by CSA for use with natural
and propane gas under the latest revision of ANSI­Z21.10.3/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.

If installed in the Commonwealth of Massachusetts, you
MUST FOLLOW the additional instructions contained in
RBI's instruction sheet MACODE-3. If you do not have a
copy, call your RBI distributor or contact the RBI Customer
Service Department.

The 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,
Westfi eld, 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.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 3

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. The "Net
I=B=R 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. This 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.

NOTE: Service clearances are not mandatory, but are
recommended to ensure ease of service should it
be required.

Table 1
Clearance Service
to Combustibles Clearance

in mm in mm
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

Table 2 - Special Base for Combustible 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. The pan must not restrict the flow 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
“GENERAL 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.

WARNING: Never store combustible materials,
gasoline or any product containing fl 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!

CAUTION: Units installed outdoors MUST be
protected from ice and snow accumulation or the
unit will be damaged voiding the warranty!

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 fl oor is structurally sound and will
support the weight of the boiler/water heater.

NOTE: The Spectrum may be installed directly on
combustible fl ooring, only if RBI supplied special
fl oor pan is used but never on carpeting, see Table

2.

COMBUSTION AIR & VENTILATION

WARNING: This 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!

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 4

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!

CAUTION: Combustion air contaminated with
fl uorocarbons or other halogenated compounds
such as cleaning solvents and refrigerants will
result in the formation of acids in the combustion
chamber. These acids will cause premature failure
of the boiler/water heater voiding the warranty!

CAUTION: If the boiler/water heater is operated while
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 confi ned
space, minimum clearances listed in Table 1 must be
maintained between the boiler/water heater and any
combustible construction. When installed in a confi ned
space, Figures 1 and 2, two permanent openings
communicating with an additional room(s) are required.
The combined volume of these spaces must have
suffi cient volume to meet the criteria for an unconfi ned
space. The total air requirements of all gas utilization
equipment, fireplaces, 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 in

2

/1000 Btu/hr, 2200 mm2/kW based on the

total input rating of ALL gas utilization equipment in
the confi ned area. Each opening must be no less than

100 in2, 64,516 mm2 in size. The upper opening must

be within 12 in, 305 mm of, but not less than 3 in,
76 mm from, the top of the enclosure. The bottom

opening must be within 12 in, 305 mm of, but not less
than 3 in, 76 mm from, the bottom of the enclosure.

All Air From Outside The Building

When installed in a confi ned space two permanent
openings communicating directly with, or by ducts to,
the outdoors or spaces that freely communicate with the
outdoors must be present. The upper opening must be
within 12 in, 305 mm of, but not less than 3 in, 76 mm
from, the top of the enclosure. The bottom opening must
be within 12 in, 305 mm of, but not less than 3 in,
76 mm from, the bottom 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 in2/4000 Btu/hr, 550 mm2/kW of the 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 in2/2000 Btu/hr, 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 cross-sectional 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 effects 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 is provided by natural air fl ow from the
outdoors for natural draft, partial fan-assisted, fan­assisted, or power draft-assisted burners, there shall
be a permanent air supply opening(s) having a cross­sectional area of not less than 1 in2 per 7,000 Btuh
(310 mm2 per kW) up to and including 1 million Btuh,
plus 1 in2 per 14,000 Btuh (155 mm2 per kW) in excess

of 1 million Btuh.

Table 3 - Make-up Air Louver Sizing

Required Cross Sectional Area

Input 1/4 in 6.4 mm
(MBH) Wire Screen Metal Louvers Wooden Louvers
in
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

cm

75% Free Area 25% Free Area

2

in

2

cm

2

in

2

cm

2

CHIMNEY & VENT PIPE
CONNECTIONS

WARNING: The 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!

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 5

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 draft problems. Table 4 lists the
equivalent breeching and fl ue sizes required for the
boiler/water heater.

Table 4 - Equivalent Breeching & Chimney Size

Model Size Size

Size in mm
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.

When more than one appliance is connected to the
same chimney fl ue, the fl ue must be large enough to
safely vent the combined output of all the appliances.

WARNING: If an appliance using any type of a
mechanical draft system operating under
positive pressure is connected to a chimney fl ue,
never connect any other appliances to this fl 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 draft hood fl ue collar,
Table 4. Use the shortest, straightest vent system
possible for the installation. If horizontal runs exceed
6 ft, 1.8 m they must be supported at 6 ft, 1.8 m
intervals with overhead hangers. The vent system should
be sloped up toward the chimney at a minimum rate of
1/4 in/ft, 20 mm/m and terminate fl ush with the inside
of the chimney fl ue. Fasten each connection with at least
3 corrosion resistant sheet metal screws.

WARNING: Never modify or alter any part of the
boiler’s draft hood. This includes the removal or
alteration of any baffl es. Never install a vent pipe
of a diameter different than that of the boiler
draft hood fl ue collar. Failure to comply with this
warning can result in severe personal injury or
death!

WARNING: Failure to maintain minimum
clearances between vent connectors and any
combustible material can result in a fi 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 Max. Pipe Length
Model Size FT m

100-250 HS-1 100 31
300-400 HS-2 100 31

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 defi ­ciencies 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 ex­empt d’obstruction, d’étranglement de fruite, de cor­rosion et autres défaillances qui pourraient présenter
des risques.

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.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 6

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 bath­room exhaust, so they will operate at maximum
speed. Do not operate a summer exhaust fan for a
boiler installation. Close fi 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. Mettre en marche
les sécheuses, tous les appareils non raccordés au
système d’évacuation commun et tous les
ventilateurs d’extraction comme les hottes 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.

Mettre l’appareil inspecté en marche. Suivre les in-

structions d’allumage. Régler le thermostat de façon
que l’appareil fonctionne de façon continue.

f) After 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, fi 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. Remettre 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 modifi ée,
le système devrait étré modifi é pour.

e) Test for spillage at the draft hood relief opening after

5 minutes of main burner operation. Use the fl ame
of a match or candle, or smoke from a cigarette,
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 fl amme d'une
allunette ou d'une chandelle ou la fumée d'une ciga­rette, d'un cigare ou d'une pipe.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 7

Figure 1 - Vertical Venting with a Metal Chimney System and Inside Air

10 FT 3.1m

Figure 2 - Vertical Venting using a Masonry Chimney and Inside Air

RIOM-51

RIOM-52

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 8

OUTDOOR VENTING

When installed outdoors the Spectrum must be fi tted
with the factory supplied outdoor hood assembly, see
Figure 3. Multiple units must be spaced per Figure 3A.

The boiler/water heater must be at least 10 ft, 3.1 m
from any door, window or gravity air inlet into any
building and at least 3 ft, 0.9 m from any overhang
unless local codes dictate differently.

Avoid locations where wind deflection off of adjacent
walls, buildings or shrubbery might cause a down draft.
The unit(s) should be located at least 3 ft, 0.9 m from
structures. Outdoor installations are not recommended
in areas where the danger of snow blockage exists.

CAUTION: Do not place the boiler/water heater in a
location that would subject it to runoff from adjacent
buildings or damage may occur voiding the
warranty!

Figure 3 - Outdoor Venting

EXHAUST
HOOD

SUPPLY/RETURN

HEADER HOOD

SPECTRUM

COMBUSTION
AIR HOOD

GENERAL PIPING REQUIREMENTS

CAUTION: Improper piping of this boiler/water
heater will void the manufacturer’s warranty and can
cause boiler failure resulting in flooding 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 pitting 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
fl 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.

NOTE: Shut off 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

This boiler/water heater is CSA designed certifi ed 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:

Figure 3A -Multiple Outdoor Units

3'

0.9 m

4'

1.2 m

HEADER
HOOD

RIOM-53

1. A continuous fl ow of water through the boiler/water
heater MUST be maintained! The pump responsible
for fl 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. The pump must be capable of
producing 15% more fl 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 off for any
reason the electric, gas and water supplies MUST
be shut off and the unit and its pump completely
drained.

CAUTION: Improper outdoor installation of this
boiler/water heater can cause boiler failure voiding
the manufacturer's warranty!

RIOM-54

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 9

Relief Valve

Pipe the discharge of the pressure relief valve to prevent
scalding in the event of a discharge, see Figure 4. The
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

1",

25 mm

RIOM-57

WARNING: Never install any type of valve
between the boiler/water heater and the relief
valve or an explosion causing extensive property
damage, severe personal injury or death may
occur!

Flow Switch

The fl ow switch supplied with the boiler/water heater must
be wired to the terminal strip in the control panel to
prevent the boiler from fi ring unless there’s adequate
water fl ow through the unit. The fl ow switch must be
installed in the supply piping adjacent to the boiler outlet
connection.

CAUTION: Failure to properly install the fl ow switch
may result in damage to the boiler/water heater heat
exchanger voiding the warranty!

HEATING SYSTEM PIPING

The 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

The supply and return connections should be sized to
suit the system, see Table 6.

Table 6 - Supply & Return Pipe Sizing

Model Size Supply Return
100 thru 400 1

1

/2" NPT 11/2" NPT

Pump Requirements

This low mass boiler requires a continuous minimum
water fl ow for proper operation. The 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 fi gures.

The 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
fi re and runs the pump up to 10 minutes after the call
for heat is satisfi ed.

CAUTION: A temperature rise outside of the range
listed in Tables 7 or 8 indicates that the fl ow rate
through the heat exchanger is incorrect which will
damage the heat exchanger voiding the warranty!

The maximum allowable flow 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 Cutoff

If a boiler is installed above any radiation elements it
must be fi tted with a low water cutoff device.

Refer to wiring diagram supplied with the boiler/water
heater for proper wiring connections.

General Piping Requirements

All heating system piping must be installed by a qualifi ed
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.

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 fl ow rates
or return water temperatures less than 110°F, 43 °C
must be isolated from these systems to protect the
boiler.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 10

Table 7 - Temperature Rise Table – 2 Pass Headers

ΔT = 10°F

Flow

Model

Number

100

150

200

250

300

350

400

Note: Unit equipped with 4 pass headers, see Table 8.

Table 8 - Temperature Rise Table – 4 Pass Headers

Rate

GPM

16.4

24.6

32.4

40.5

49.8

58.1

66.4

ΔT = 10°F

Pres.
Drop

Ft

0.05

0.13

0.27

0.48

0.82

1.23

1.77

ΔT = 5.5°C

Flow
Rate

L/s kPa

1.0

1.6

2.0

2.6

3.1

3.7

4.2

ΔT = 5.5°C

Pres.
Drop

0.1

0.4

0.8

1.4

2.4

3.6

5.2

ΔT = 20°F

Flow
Rate

GPM

—

—

16.2

20.3

24.9

29.1

33.2

ΔT = 20°F

Pres.
Drop

Ft

—

—

0.07

0.13

0.23

0.34

0.49

ΔT = 11.1°C

Flow
Rate

L/s kPa

—

—

1.0

1.3

1.6

1.8

2.1

ΔT = 11.1°C

Pres.
Drop

0.2

0.4

0.7

1.0

1.4

—

—

ΔT = 30°F

Flow
Rate

GPM

—

—

—

—

16.6

19.4

22.1

ΔT = 30°F

Pres.
Drop

Ft

—

—

—

—

0.10

0.20

0.20

ΔT = 16.7°C

Flow
Rate

L/s

—

—

—

—

1.0

1.2

1.4

ΔT = 16.7°C

Pres.
Drop

kPa

—

—

—

—

0.3

0.5

0.7

Flow

Model

Number

100

150

200

250

300

350

400

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.

Rate

GPM

16.4

24.6

32.4

40.5

49.8*

Pres.
Drop

Ft

0.34

0.94

1.92

3.46

5.89

Flow
Rate

L/s kPa

1.0

1.6

2.0

2.6

3.1

See Note

Pres.
Drop

1.0

2.8

5.7

10.2

17.3

Flow
Rate

GPM

—

—

16.2

20.3

24.9

29.1

33.2

Pres.
Drop

Ft

—

—

0.53

0.96

1.63

2.47

3.54

Flow
Rate

L/s

—

—

1.0

1.3

1.6

1.8

2.1

Pres.
Drop

kPa

—

—

1.6

2.8

4.8

7.3

10.4

Flow
Rate

GPM

—

—

—

—

16.6

19.4

22.1

Pres.
Drop

Ft

—

—

—

—

0.80

1.20

1.70

Flow
Rate

L/s

—

—

—

—

1.0

1.2

1.4

Pres.
Drop

kPa

—

—

—

—

2.3

3.4

4.9

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 11

Figure 5 - Typical Primary/Secondary Piping System

(See Notes)

Pump

Gate Valve

Globe Valve

NOTES:

1

1. Boiler circuit piping must be sized
large enough to handle maximum fl ow
through unit.

2. Boiler pump sized to boiler design fl ow
requirements.

3. All boilers furnished with factory
mounted outlet water temperature
gauge.

4. Boiler pump purging required. Use
terminals supplied.

Notice: These drawings show suggested
piping confi guration and valving.
Check with local codes and ordinances
for specifi c requirements.

Figure 6 - Low Temperature Piping with Thermostatic Valve

(See Notes and Adjustment Procedures)

3

H-1 Rev 2

Angle Valve

Bufferfly Valve

Balance Valve

Ball Valve

Motorized Valve

Solenoid

Operated Valve

Self-Operated

Val ve

Pressure

Reducing Valve

Check Valve

Pressure

Relief Valve

Flow Switch

NOTES:

1. For pump selection consult factory.

2. Boiler pump sized to boiler and thermostatic 3-way valve design fl ow requirements.

3. Boiler circuit piping must be sized large enough to handle maximum fl ow through unit.

4. All boilers furnished with factory mounted outlet water temperature gauge.

5. Boiler pump purging required. Use terminals supplied.

6. Valve is precalibrated for 140°F return temperature.

Notice: These drawings show suggested piping confi guration and valving.
Check with local codes and ordinances for specifi c requirements.

H-18

Thermometer

Aquastat Union

Pressure Switch

Gas Pressure

Regulator

Automatic

Air Vent

Backflow­Prevention

Device

3-Way Valve

Expansion

Tan k

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 12

Figure 6A - Low Temperature Piping

(See Notes and Adjustment Procedures)

1

Adjustment Procedure

To Maintain Inlet Temperature

Above Dew Point

T1-Temp-Min+110° For Atmospheric

T1-Temp-Min=125° Sealed Combusion

1. Turn heater on and open valves A & B.

2. After steady-state operation, if T1 is less
than Temp-Min slowly close valve B until
T1 climbs to desired operating temperature
above Temp-Min.

3. If T1 is greater than desired operating
temperature, slowly close valve A to adjust to
lower desired temperature above Temp-Min.

4. Check after system operating temperature
has stabiized. Make fi nal adjustments.

5. Follow same adjustment procedure for
sealed combustion.

H-3 Rev 2

Pump

Gate Valve

Globe Valve

Angle Valve

Bufferfly Valve

Balance Valve

Ball Valve

Motorized Valve

Solenoid

Operated Valve

Self-Operated

Val ve

Figure 7 - Multiple Boiler Piping (See notes)

5

1

Pressure

Reducing Valve

Check Valve

Pressure

Relief Valve

Flow Switch

Thermometer

Aquastat Union

Pressure Switch

Gas Pressure

Regulator

Automatic

Air Vent

Backflow­Prevention

Device

H-15 Rev 3

NOTES:

1. Boiler circuit piping must be large enough to handle maximum fl ow through unit.

2. Boiler pump sized to boiler design fl ow requirements.

3. All boilers furnished with factory mounted outlet water temperature gauge.

4. Boiler pump purging required. Use terminals supplied.

5. Secondary loop pipe diameter must be sized large enough to handle maximum fl ow through all units.

Notice: These drawings show suggested piping confi guration and valving.
Check with local codes and ordinances for specifi c requirements.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 13

Variable Water Flows

Figure 5 shows a typical primary/secondary piping
system. A dedicated pump is used to maintain a
constant water fl ow through the boiler. This boiler pump
is sized to overcome the head loss of the boiler and
near piping while supplying the fl ow rate required to
maintain the desired temperature rise across the boiler
heat exchanger. The system pump is sized to provide
the required fl ow to the heating system. The boiler piping
connections to the heating system piping must not be
more than 12 in, 305 mm apart to ensure zero pressure
drop, see Figure 5.

Low Return Water Temperatures

To prevent the problems associated with condensation
of the products of combustion due to low return water
temperatures a primary/secondary piping system with
a bypass and bypass valve must be installed, see
Figures 6 and 6A. The bypass and bypass valve must
be sized the same as the secondary piping. A balancing
valve must also be installed in the supply side of the
secondary piping downstream of the bypass. The
balancing valve should be adjusted to divert some of
the heated discharge water into the return water until
the required inlet water temperature is achieved. The
primary and secondary pumps should be sized to
provide the required flow through each system. The
boiler piping connections to the heating system piping
must not be more than 12 in, 305 mm apart to ensure
zero pressure drop, see Figures 6 and 6A.

Multiple Boiler Systems

Systems using multiple boilers can also be installed
using a primary/secondary manifold system, Figure 7.

Piping For Use With Cooling Units

The boiler, when used in connection with a refrigeration
system, must be installed so the chilled medium is piped
in parallel with the boiler. Appropriate valves must be
used to prevent the chilled water from entering the
boiler.

When a boiler is connected to a heating coil that may
be exposed to refrigerated air from an air handling
device, the piping system must be equipped with fl ow­control valves or some other automatic means of
preventing gravity circulation of the boiler water during
the cooling cycle.

DOMESTIC WATER SUPPLY PIPING

CAUTION: Proper controls must be used to prevent
water supplied for domestic use from exceeding
130°F, 54°C or a scald injury will occur! When higher
water temperatures are required for appliances such
as a dishwasher, a mixing valve or some other
tempering means must be installed. Households with
small children may require water temperatures less
than 120°F, 49°C. Local codes must be complied with!

General Piping Requirements

Ensure that the water heater is equipped with bronze
headers. Piping and components connected to the water
heater must be suitable for use with potable water. The
water heater must not be connected to any heating
system piping or components previously used with a
non-potable water heating appliance. No toxic
chemicals, such as those used for boiler treatment, are
to be introduced into any potable water used for space
heating. If a hot water storage tank is used in the
system, it must be equipped with a temperature and
pressure relief valve that complies with ANSI Z21.22 or
CAN-4.4 and CAN-4.6.

NOTE: The storage tank must be located as close
to the water heater as possible to prevent excessive
head loss which will reduce fl ow.

Water Chemistry

The required temperature rise across the water heater
is based on water having a hardness between 5 and
25 grains per gallon with a level of dissolved solids not
exceeding 350 ppm. Water having a hardness less than
5 grains can cause excessive corrosion of the heat
exchanger. Water that has a hardness greater than 25
grains per gallon and/or a level of dissolved solids
exceeding 350 ppm will require a recalculation of the
pump size and temperature rise.

A cupro-nickel heat exchanger may also be required.
The manufacturer should be consulted when these
water conditions are encountered. See Table 9A.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 14

RBI water heaters are designed to run scale free. Due
to the extreme variables of water conditions world wide
it is necessary to consider pH values and water
hardness in relationship to scaling. It is crucial to
consider these two variables when making heat
exchanger and pump selections. If local water conditions
are extreme follow the guidelines in the Heat Exchanger
Selection Table (Table 9A) and the Pumping
Performance Table (Table 9B). Scale free operation can
be achieved by using water with a hardness between 8
and 18 and by maintaining the pH between 5 and 9.
Follow the conditions listed under NORMAL in the table.
In some areas of the country additional precautions
must be observed due to unusual characteristics of the
local water supply. Call the nearest RBI representative
for details.

To properly size the pump a grain hardness and pH test
must be taken at the installation site before the order is
placed. Proper pump sizing will improve heater
performance and help ensure heater longevity.

Expansion Tank

An expansion tank or other means to control thermal
expansion must be installed in the water heating system
if back fl ow prevention devices are installed.

Pump Requirements

This low-mass water heater requires a continuous mini­mum water flow for proper operation. The factory
recommended circulating pump has been sized to
overcome the head loss of the water heater plus a 30
foot piping loop under normal water conditions.
provides the heat exchanger pressure drop chart and
temperature rise table. The temperature rise across the

water heater must never exceed 30°F, 16.7 °C.

Table 9B

Temperature Rise Control

Water returned to the water heater inlet must not be less
than 110°F, 43°C or excessive condensation of the
products of combustion will damage the water heater
voiding the warranty. The method outlined below can be
employed to prevent this condition from occurring.

A balancing valve should be installed on the outlet side
of the water heater for purposes of adjusting the fl ow
rate through the heat exchanger. Thermometers are
installed on both the inlet and outlet of the water heater
for determining the temperature rise through the unit.

The proper velocity through the water heater must be
maintained in accordance with Table 9B for efficient
operation and long life. If the temperature rise through
the water heater is lower than recommended, the water
velocity is too high. Premature erosion of the heat
exchanger will occur. Conversely, if the temperature rise
is higher than recommended in Table 9B the fl ow rate is
too low. Scaling and softening of the heat exchanger will
occur.

Thermostatic Mixing Valve - Water Above 140°F, 60°C
Water can be stored at temperatures above 140°F,

60 °C provided that a thermostatically controlled mixing
valve is used to temper the hot water to an acceptable
temperature before it’s supplied for domestic use.

The mixing valve MUST be set to prevent a scald injury
from occurring, see the caution against scalding.

Storage of water for domestic use above 140°F, 60°C
will provide an increased quantity of tempered water and
help prevent the growth of water born bacteria.

CAUTION: The maximum allowable fl ow rate through
a Spectrum water heater is 92 GPM, 5.8 L/s (2-pass
heat exchanger) and 46 GPM, 2.9 L/s (4-pass heat
exchanger). The cupro-nickel heat exchanger allows
for 100 GPM, 6.3 L/s (2-pass heat exchanger) and 50
GPM, 3.2 L/s (4-pass heat exchanger). See Table 9B.

Cold Water Supply

The cold water supply must be piped to the storage tank
on the water heater’s outlet piping between the water
heater and the hot water storage tank. This will prevent
untempered water from entering the water heater, see
the Temperature Rise Control section. A typical water
heating system is shown in Figures 8 and 9.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 15

Table 9A - Spectrum Heat Exchanger Selection Graph

Table 9B - Spectrum Pumping Performance Requirement Table

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 16

(Typ.)

Figure 8 - Typical Water Heating Piping (MW Models Only)

(See Notes)

3

8

2

1

4

7

Attention:

Not all RBI stock storage tanks

incorporate this tapping: See Note 1.

Figure 9 - Multiple Water Heating Piping (MW Models Only)

(See Notes)

D-1 Rev 6

Pump

Valve

Globe Valve

Angle Valve

Bufferfly Valve

Balance Valve

Ball Valve

Motorized Valve

Solenoid

Operated Valve

Self-Operated

Valve

SELF BALANCIN G DOUBLE REVERSE
RETURN MAKE-UP & SUPPLY, CIRCULATION

4

3

6

8

4

1

7

2

7

2

6

D-4 Rev 6

Attention:

Not all RBI stock storage tanks

incorporate this tapping: See Note 1.

NOTES:

1. Optional cold water make up and recirculation line location.

2. When using intermittent pump and pump delay, locate remote aquastat well in lower 1/3 of tank. Install aquastat with heat sensing compound.

3. Thermal expansion tank may be required, check local codes.

4. When using optional factory mounted pump, max pipe length 30’ total, 6-90° elbows, full pipe size.

5. CAUTION: MEASURE WATER HARDNESS AND pH AT JOB SITE.
The pH and water hardness must be measured before selecting heat exchanger and pump. Consult the Heat Exchanger Graph and

Pumping Performance Table before making selection.

6. Common piping must be sized for maximum combined heater fl ow.

7. Hot water tanks should be equipped with a combination temperature & pressure relief valve.

8. MA Code requires an 1/8” hole in check valve to compensate for thermal expansion.

Notice: These drawings show suggested piping confi guration and valving.
Check with local codes and ordinances for specifi c requirements.

Pressure

Reducing Valve

Check Valve

Pressure

Relief Valve

Flow Switch

Thermometer

Aquastat Union

Pressure Switch

Gas Pressure

Regulator

Automatic

Air Vent

Temperature &

Pressure

Relief Valve

Vacuum

Relief Valve

Drain Valve

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 17

GAS SUPPLY PIPING

WARNING: Check the boiler/water heater rating
plate to make sure that the boiler/water heater is
for the type of gas that will be used. If it isn’t, do
not connect the boiler/water heater to the gas
supply. Gas supply piping must be in accordance
with the National Fuel Code, ANSI Z223.1-latest
revision or applicable provisions of the local
building codes. Canadian Installations must
comply with CAN/CGA B149.1 or .2 Installation
Code. Failure to comply with this warning can
result in extensive property damage, severe
personal injury or death!

The Spectrum boiler/water heaters come from the
factory ready to be piped to the gas supply. If for any
reason the boiler/water heater is not for the type of gas
available at the installation site, call the nearest RBI
representative to resolve the problem.

NOTE: A minimum gas supply pressure of 5 in,
127 mm W.C. natural or 12 in, 305 mm W.C. propane
and maximum gas supply pressure of 14 in,
356 mm W.C. natual or propane, must be available
at the safety shutoff valve inlet with the unit(s)
operating.

Table 11 - Equivalent Pipe Length

Nominal
Iron Pipe
Size, (in)

1"
1 1/4"
1 1/2"

2"
2 1/2"

3"

4"

Notes: 1. For fl ow through branch.

2. For fl ow at full open.

Type of pipe fi tting

90°

Elbow

Te e

Equivalent of pipe length (ft)

5.2

2.6

6.9

3.5

8.0

4.0

10.3

5.2

12.3

6.2

15.3

7.7

15.3

7.7

Gate

1

Val ve

0.6

0.8

0.9

1.2

1.4

1.8

1.8

Gas

Cock

1.5

1.9

2.3

3.0

3.7

4.5

4.5

2

2

Figure 10 depicts the proper way to connect the
boiler/water heater to the gas supply piping. The manual
shut-off valve MUST be installed in the supply piping. It
should be installed 5 ft, 1.5 m above the fl oor where
required by local codes. Provide a sediment trap at the
bottom of the vertical section of the gas supply pipe
upstream of the gas controls.

A ground joint union should be installed between the
boiler gas controls and the supply piping. Each of these
items are needed to ensure long life and ease of
servicing. Always use a pipe sealant that is suitable for
use with LP gas.

Table 10 should be used to ensure that the gas supply
piping is sized properly. If more than one appliance is
supplied by the same supply pipe, the piping must be
sized based on the maximum possible demand. Do not
neglect the pressure drop due to pipe fi ttings. Table 10
should be used in conjunction with Table 11 to ensure
that the gas supply piping has the capacity to meet the
demand.

Table 10 - Gas Pipe Capacity

Maximum pipe capacity in ft3/hr based on 0.60 specifi c gravity gas
at a pressure of 0.5 psig or less and a 0.3" W.C. pressure drop.

Nominal
Iron Pipe
Size, (in)

3/4"

1"
1 1/4"
1 1/2"

2"
2 1/2"

3"

4"

Note: Multiply the gas volume by 0.62 for propane fl ow capacity in ft3/hr.
Multiply the propane fl ow capacity by 2500 Btu/ft3 to determine the propane Btu/hr

capacity for a given pipe size and length.

10

278
520
1050
1600
3050
4800
8500
17,500

20

190
350
730
1100
2100
3300
5900
12,000

Pipe length in feet

30

Maximum gas volume of pipe, (ft

152
285

590
890
1650
2700
4700
9700

40

130
245
500
760
1450
2300
4100
8300

50

115
215

440
670
1270
2000
3600
7400

105
195

400
610
1150
1850
3250
6800

60

3

/hr)

90
170

350
530
990
1600
2800
5800

80

100

79
150
305
460
870
1400
2500
5100

150

64
120
250
380
710
1130
2000
4100

Figure 10 - Gas Supply Piping

RIOM-47

CAUTION: Always use a wrench on the gas valve
body when making gas connections to it. Never
over-tighten the piping entering the gas valve body
or gas valve failure may result!

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 18

When applicable, provisions for vent, bleed and gas
relief lines must be made in accordance with the latest
revision of ANSI Z223.1/NFPA 54.

Safe lighting and other performance criteria were met
with the gas manifold and control assembly provided on
the boiler. All gas connections MUST be leak tested
before putting the boiler into operation.

WARNING: Never use an open fl ame to test for
gas leaks. Always use an approved leak detec­tion method. Failure to comply with this warning
can cause extensive property damage, severe
personal injury or death!

Whenever the gas supply piping is pressure tested the
boiler/water heater gas controls must be protected. If the
test pressure is equal to, or less than 1/2 psig, 3.5 kPa
isolate the boiler/water heater by closing it’s manual shut
off valve, see Figure 10. If the test pressure is greater
than, or equal to 1/2 psig, 3.5 kPa, disconnect the
boiler/water heater and its individual shut-off valve.

Required Gas Pressure

Provide gas supply pressure at inlet to boiler gas train
as follows:
LP Nat

Minimum (in W.C.) 12 5
Maximum (in W.C.) 14 14

Measure pressure when boiler is fi ring at full rate. Low
gas pressure could indicate undersized gas line or
insuffi cient gas supply.

"Static and operating gas pressure required at the gas
valve inlet is between 5" W.C. and 14" W.C. for natural
gas and 12" W.C. and 14" W.C. for propane. If the gas
pressure is above this limit, a lock-up style regulator
suitable for dead end service such as an Equimeter
or Fisher must be installed to prevent increase (creep)
of gas pressure when the units are not operating.
This pressure regulator (supplied by others) may be
installed at the service entrance to each unit or a
"master" regulator sized to handle multiple units may
be utilized. Consult local gas utility or regulator
manufacturer for recommendations to meet specifi c job
site requirements."

ELECTRICAL WIRING

Electrical Power Connections

CAUTION: Label all wires prior to disconnection
when servicing controls. Wiring errors can cause
improper and dangerous operation! Verify proper
operation after servicing!

ATTENTION. Au moment de l’entretien des
commandes, étiquetez tous les fi ls avant de les
débrancher. Des erreurs de câblage peuvent
entraîner un fonctionnement inadéquat et
dangereux. S’assurer que l’appareil fonctionne
adéquatement une fois l’entretirn terminé.

The electrical connections to this boiler/water heater
must be made in accordance with all applicable local
codes and the latest revision of the National Electrical
Code, ANSI/NFPA-70. Installation should also conform
with CSA C22.1 Canadian Electrical Code Part I if
installed in Canada.

Install a separate 120 volt 15 amp circuit for the boiler/
water heater and circulator pump. A shut-off switch
should be located at the boiler/water heater. The boiler/
water heater must be grounded in accordance with the
authority having jurisdiction, or if none, the latest revision
of the National Electrical Code, ANSI/NFPA-70.

Line voltage fi eld wiring of any controls or other devices
must conform to the temperature limitation of type T wire
at 95˚F, 35˚C above room temperature. Use copper
conductors with a minimum size of #14 awg.

Refer to the wiring diagram supplied with the boiler/
water heater for proper wiring connections.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 19

GENERAL OPERATION

WARNING: Before proceeding read and fully
understand the instructions contained in this
manual. Do not attempt to operate this boiler/
water heater if it has not been installed in
accordance with the guidelines set forth in this
manual. Failure to comply with this warning can
result in extensive property damage, severe
personal injury or death!

Should overheating occur or the gas supply fail to shut
off, turn off the manual gas control valve to the
appliance. Do not interrupt water fl ow through the boiler/
water heater.

En cas de surchauffe ou si l’alimentation en gaz ne
s’arrête pas, fermez manuellement le robinet d’arrêt de
l’admission de gaz.

Hydronic Heating Boilers

Open the make-up water valve and slowly fi ll the boiler
and all of the radiation with water. Ensure that all bleed
and drain valves are closed.

Adjust the make-up water pressure regulator so a
minimum 12 psig, 82.7 kPa system pressure is
maintained at the highest point in the system piping. If
a make-up water pump is used adjust to maintain a
minimum 12 psig, 82.7 kPa system pressure.

Open the system bleed and drain valves, one at a time,
to purge the air trapped in the heating system piping.

With the boiler off, run the system pump for at least 30
minutes and bleed the system piping using the bleed
valves. If strainers are used in the system piping, the
make-up water valve should be closed and the strainers
checked and cleaned.

The system expansion tank should be checked to
ensure that the correct water level in the tank is
maintained. The tank should be less than half full of
water with the system full and adjusted to the correct
operating pressure.

Start the boiler as described in the “LIGHTING AND
OPERATING INSTRUCTIONS” on the next page. Run
the boiler for at least an hour. The system pump(s) and
all radiation units must be operated during this time.
Ensure that the make-up water valve is open.

Shut the boiler off and open the bleed valves to purge
the air trapped in the heating system piping. Close the
make-up water valve and check and clean the strainers
and make-up water pressure reducing valve.

Open the make-up water valve and adjust the system
pressure if necessary. The system should be checked
and bled after three days of operation.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 20

FOR YOUR SAFETY READ BEFORE LIGHTING

WARNING: If you do not follow these instructions exactly, a fi re or explosion may result causing
property damage, personal injury or loss of life.

A. If this appliance is equipped with a continuous

pilot, it must be lit by hand. Follow the lighting

instructions exactly.

B. BEFORE LIGHTING smell all around the appliance area

for gas. Be sure to smell next to the fl oor because some
gas is heavier than air and will settle on the fl oor.

C. Use only your hand to push in or turn the gas

control knob. Never use tools. If the knob will not push
in or turn by hand, don't try to repair it, call a qualifi ed
service technician. Force or attempted repair may re­sult in a fi re or explosion.

D. Do not use this appliance if any part has been under

water. Immediately call a qualifi ed service technician to
inspect the appliance and to replace any part of the
control system and any gas control that has been under
water.

LIGHTING INSTRUCTIONS

DANGER: Propane gas may not always be detected
by smell. Propane gas is heavier than air and can
collect in low areas.

Propane gas can ignite or explode if an ignition
source is present and result in death, serious injury
and property damage!

FOR YOUR SAFETY:

• Have only qualifi ed licensed professionals install,
service and maintain this appliance and your gas
system in accordance with all applicable codes.

• Install a nationally listed combustible gas detector(s)
in your home.

• If you suspect a leak:

1. Have everyone leave the building immediately.

2. Do not attempt to light any appliance.

3. Do not touch any electrical or electronic switches

in the building.

4. Do not use any phone in the building.

5.

Call your gas supplier from a phone outside of
the building.

6. If you cannot reach your gas supplier call the fi re

department.

1. STOP! Read the safety information above.

2. Set the thermostat to lowest setting.

3. Remove control access panel.

4. Push in gas control knob slightly and turn clock wise

to “OFF”,

PRESSURE REGULATOR
ADJUSTMENT (UNDER
CAP SCREW)

GAS INLET GAS OUTLET

OFF

PILOT

OUTLET PRESS. TAP

ON

GAS CONTROL KNOBRED RESET BUTTON

5. Wait fi ve (5) minutes to clear out any gas. Then smell
for gas, including near the fl oor. If you smell gas, STOP!
Follow “B” in the safety information above (to the left)
on this label. If you do not smell gas, go to the next step.

6. Open the pilot sight door above the main burners.

7. Find pilot – follow metal tube
from the gas control. The
pilot is between the two burner
tubes behind the pilot sight door.

TO TURN OFF GAS TO APPLIANCE

8. Turn knob on gas control counterclockwise

to

“PILOT”.

9.

Push in control knob all the way and hold in. Immediately
light the pilot with a match. Continue to hold the control
knob in for about one (1) minute after the pilot is lit. Re­lease knob and it will pop back up. Pilot should remain
lit. If it goes out, repeat step 4 through 9.

• If knob does not pop up when released, STOP and
immediately call your service technician or gas
supplier.

• If the pilot will not stay lit after several tries, turn the
gas control knob to “OFF” and call your service
technician or gas supplier.

10. Close pilot sight door.

11. Turn gas control knob counterclockwise

to “ON”

12. Replace control access panel.

13. Set thermostat to desired setting.

1. Set the thermostat to lowest setting.

2. Remove control access panel.

3. Push in gas control knob slightly and turn

clockwise

to “OFF”. Do not force.

4. Replace control access panel.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 21

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING: If you do not follow these instructions exactly, a fi re or explosion may result causing
property damage, personal injury or loss of life.

A. If this appliance is equipped with an electronic

ignition device, this automatically lights the burner. Do

not try to light the burner by hand.

B. BEFORE OPERATING smell all around the appliance

area for gas. Be sure to smell next to the fl oor because
some gas is heavier than air and will settle on the fl oor.

C. Use only your hand to push in or turn the gas

control knob. Never use tools. If the knob will not push
in or turn by hand, don't try to repair it, call a qualifi ed
service technician. Force or attempted repair may re­sult in a fi re or explosion.

D. Do not use this appliance if any part has been under

water. Immediately call a qualifi ed service technician to
inspect the appliance and to replace any part of the
control system and any gas control that has been under
water.

OPERATING INSTRUCTIONS

DANGER: Propane gas may not always be detected
by smell. Propane gas is heavier than air and can
collect in low areas.

Propane gas can ignite or explode if an ignition
source is present and result in death, serious injury
and property damage!

FOR YOUR SAFETY:

• Have only qualifi ed licensed professionals install,

service and maintain this appliance and your gas
system in accordance with all applicable codes.

• Install a nationally listed combustible gas detector(s)

in your home.

• If you suspect a leak:

1. Have everyone leave the building immediately.

2. Do not attempt to light any appliance.

3. Do not touch any electrical or electronic switches

in the building.

4. Do not use any phone in the building.

5.

Call your gas supplier from a phone outside of
the building.

6. If you cannot reach your gas supplier call the fi re

department.

1. STOP! Read the safety information above.

2. Set the thermostat to lowest setting.

3. Turn off all electric power to the appliance.

4. This appliance is equipped with an ignition device, which
automatically lights the pilot. Do not try to light the pilot
by hand!

PRESSURE REGULATOR
ADJUSTMENT (UNDER
CAP SCREW)

GAS INLET GAS OUTLET

ON

OFF

OUTLET PRESS. TAP

GROUND
TERMINALS (2)

GAS CONTROL KNOB

TO TURN OFF GAS TO APPLIANCE

1. Set the thermostat to lowest setting.

2. Turn off all electric power to the appliance if service is
to be performed.

3. Remove control access panel.

5. Remove control access panel.

6. Push in gas control knob slightly and turn clockwise
to “OFF”.

Wait fi ve (5) minutes to clear out any gas. Then smell for

7.

gas, including near the fl oor. If you smell gas, STOP!
Follow “B” in the safety information above (to the left) on
this label. If you do not smell gas, go to the next step.

8. Turn the gas control knob counterclockwise to

“ON”.

9. Replace control access panel.

10. Turn on all electric power to the appliance.

11. Set thermostat to desired setting.

12. If the appliance will not operate, follow the instructions

“TO TURN OFF GAS TO APPLIANCE” and call your
service technician or gas supplier.

4. Push in gas control knob slightly and turn

clockwise

to “OFF”. Do not force.

5. Replace control access panel.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 22

CHECKING & ADJUSTMENTS

Pilot Adjustment
The pilot burner fl ame should envelope 3/8 in to 1/2 in,

9.5 mm to 12.7 mm of the fl ame sensing probe, Figure

11. To adjust the pilot the following steps must be taken:

1. Remove the pilot gas pressure regulator cap.

2. Turn the pressure regulator adjustment screw clock­wise to decrease the fl ame and counterclockwise to
increase it.

3. Replace the pressure regulator adjustment screw
cap.

Figure 11 - Pilot Flame Adjustment

RIOM-48

Gas Pressure Adjustment

CAUTION: The maximum inlet gas pressure listed on
the rating plate must not be exceeded or damage
to the boiler/water heater may occur!

The minimum supply pressure listed on the rating plate
is for input adjustment.

PROPANE GAS: A manifold pressure of 11 in, 279 mm
W.C. must be maintained for proper operation of the
boiler. If the manifold pressure is off by more than 5%
adjust it according to steps 1 through 4.

Input Rate, Natural Gas

Gas appliances are rated based on sea level operation
with no adjustment required at elevations up to 2000 ft,
610 m. At elevations above 2000 ft, 610 m, input ratings
should be reduced by 4% for each additional 1000 ft,
305 m.

Check the input rate as follows:

1. Turn off all other gas appliances that use the same
gas meter as the boiler/water heater.

2. Call your gas supplier and ask for the heating value
of the gas.

3. Start the boiler/water heater and let it run for 15
minutes.

4. Using the gas meter and a stopwatch, clock the time
that it takes to burn 10 ft3, 0.28m3 of gas and divide
this time by 10.

5. Insert the heating value and the time, in seconds,
into the formula below.

6. Input = (heating value, Btu/hr)(3600)/(time, seconds)

7. If the computed rate deviates by more than 5% from
the rated input value of the unit adjust the manifold
pressure accordingly. DO NOT adjust the manifold
pressure by more than 5%. If a proper rate cannot
be maintained without adjusting the manifold
pressure beyond the 5% limit, the main burner
orifi ces must be replaced. If the input rate is too low,
go to the next larger size of main burner orifi ces. If
the input rate is too high, go to the next smaller size.

NATURAL GAS: Optimum results are obtained when the
boiler/water heater is operated at its full input rating, with

3.8 in to 4.2 in, 96.5 mm to 106.7 mm W.C. of manifold
pressure. The manifold pressure should not vary outside
this range. The gas valve pressure regulator has been
preset at the factory. If adjustment is necessary the
following steps must be followed:

1. Attach a 20 in, 508 mm W.C. manometer to the tap

on the manifold.

2. Remove the regulator adjustment screw cap from
the gas regulator. On systems that do not use a
separate gas regulator, remove the adjustment screw
cap from the gas valve body on the valve closest to
the gas supply piping.

3. Rotate the regulator adjustment screw clockwise to
increase the manifold pressure, counterclockwise to
decrease it.

4. Replace the regulator adjustment screw cap and
manifold pressure tap plug.

CAUTION: Never force the regulator adjustment
screw beyond the stop limits or damage to the
regulator will occur!

CAUTION: Never increase the input to the boiler/
water heater above that for which it is rated. Doing
so can cause premature failure of the unit!

CONTROL DESCRIPTION

Low Water Cutoff

If the boiler is to be installed above radiation or if
required by other codes or regulations, install a low
water cutoff in appropriate piping.

If installed, ensure that the low water cutoff device(s)
function properly. Test in accordance with the
manufacturer’s instructions included with the device(s).

Boiler Thermostat

If a thermostat is to be used to control the boiler always
follow the instructions included with the thermostat.
Proper location of the thermostat will ensure effi cient
trouble-free operation of the boiler. Mount the thermostat
to an inside wall at a height approximately fi ve feet
above the fl oor.

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 23

Avoid placing the thermostat in areas that will not
provide an accurate measurement of the room
temperature. Locating the thermostat behind a door, in
an alcove, close to a source of thermal radiation or in a
drafty area will cause poor or sporadic heating.

For a thermostat that employs an adjustable heat
anticipator, adjust the anticipator to match the current
measured in the thermostat circuit. An increased
anticipator setting may be necessary if the unit cycles
frequently. If the room temperature over-shoots the
thermostat setting, reduce the anticipator setting.

Operating Control

The preferred control setting for potable hot water is
130˚F, 54˚C. The operating control should be set to the
lowest setting that will satisfy the consumer's needs.

WARNING: Setting the thermostat or operating
control too high can result in scalding resulting
in severe personal injury!

High Limit (Aquastat)

The high limit is located in the top control area of the
boiler/water heater. A remote capillary bulb is run to a
well on the outlet side of the supply header.

The water heater high limit should be set a minimum of
20°F, 11°C higher than the operating control. Refer to
the HOT WATER SUPPLY section for the proper supply
water temperature.

Flow Switch

A fl ow switch is provided in the water outlet piping to
prevent the boiler/water heater from firing without
adequate water fl ow through the heat exchanger.

MAINTENANCE

WARNING: Disconnect electrical power and close
the manual gas shut off valve before performing
maintenance or severe personal injury may
result!

WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause
property damage, personal injury, exposure to
hazardous materials or loss of life. Installation and
service must be performed by a qualifi ed installer,
service agency or the gas supplier who must
read and follow the supplied instructions before
installing, servicing or removing this boiler. This
boiler contains crystalline silica materials that
have been identifi ed as carcinogenic or possibly
carcinogenic to humans when inhaled.

AVERTISSMENT: Une instqallation, un réglage,
une réparation ou un entretien non comforme
aux normes peut entraîner des dommages
matériels, des blessures,exposition à des
matiéres dangereuses ou la mort. L’installation
et l’entretien doivent être effectués par un
installateur ou un service d’entretien qualifi é ou
le foumisseur de gaz qui doivent avoir lu les in­structions foumies avant de faire l’installation,
l’entretien ou l’enlèvement de la chaudière et les
respecter, Cette chaudière contient des
matériaux qui ont été identifi és comme étant
cancérogènes ou pouvant l’être.

CAUTION: Servicing, inspection and adjustment
must be done by a trained technician in accordance
with all applicable local and national codes. Improper
servicing or adjustment can damage the boiler/water
heater!

WARNING: The ceramic combustion chamber
contains crystalline silica. Wear a tightly fi tted
dust mask when removing the burners or heat
exchanger to prevent inhalation of airborn fi bers.
Crystalline silica fi bers have been identifi ed as
carcinogenic, or possibly carcinogenic when
inhaled.

The boiler/water heater should be cleaned and
inspected once a year and before each heating season.
Make sure that the burners and ignition components are
free from dust, soot, dirt, corrosion or other deposits that
would impair the boiler’s performance. Refer to page 24
for component identifi cation.

CAUTION: Improper burner servicing can result i
premature burner failure voiding the warranty!

Burner Drawer & Burner Removal

1. Close the manual shutoff valves in the gas supply
lines and turn off electrical power to the boiler/water
heater.

2. Disconnect the gas train from the gas supply piping
at the ground joint union.

3. Remove the fl ame roll-out shield.

4. Remove the two screws that attach the burner drawer
to the base panel, Figure 12.

5. Disconnect the electrical wires going to the gas valve
and burner drawer.

6. On intermittent pilot models disconnect the ignition
cable from the ignition module.

7. Pull the burner drawer out until the burners are fully
exposed.

8. Inspect each burner for damage or signs of deterio­ration. Use a brush or compressed air to remove any
debris from the burner ports.

9. DO NOT install damaged or badly corroded
burners, replace them.

10. Reinstall the burner drawer and fl ame roll-out shield
following the removal steps in reverse order.

11. Reconnect all electrical wires.

12. Reconnect the gas piping.

n

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 24

Figure 12 - Burner Drawer Assembly

RIOM-55

Combustion Chamber Inspection

1. Remove the burner drawer following the instructions
above.

2. Inspect the combustion chamber panels using a
mirror and light. If any of the combustion chamber
panels are damaged or show signs of deterioration
replace them.

3. Replacement of the combustion chamber panels
requires that the heat exchanger be removed as
outlined below.

4. Reinstall the burner drawer as outlined above.

Heat Exchanger Inspection & Cleaning

1. Close the manual shutoff valve in the gas supply
line and turn off electrical power to the boiler/water
heater.

2. Close the shut off valves in the inlet and outlet pip­ing. Relieve the system pressure from the boiler/
water heater by carefully opening the drain valve.

3. Disconnect the boiler/water heater from the system
piping.

4. Remove the left and right headers and mounting
studs.

5. Disconnect the fl ue pipe at the boiler/water heater.

6. Remove the top jacket panel.

7. On indoor units remove the draft hood from the back
of the unit. On outdoor units remove the rear jacket
panel.

8. Remove the fl ue collector.

9. Carefully lift the heat exchanger out of the unit and
thoroughly inspect it.

10. The outside surfaces of the copper tubes should be
free of any soot deposits. A slight black smudge is
normal with some types of gases. Black soot
indicates poor combustion. Green deposits indicate
condensation due to low return water temperatures.
In either case the heat exchanger must be cleaned
thoroughly with water and the problem resolved
before the boiler/water heater is returned to service.

11. Replace the cleaned heat exchanger and other
components in the reverse order of their removal.

2. A damaged heat exchanger must be replaced and
the condition that caused the damage resolved
before the boiler/water heater is returned to service.

Vent System

Thoroughly inspect the vent system for any signs of
blockage, corrosion or leakage. Immediately replace any
unsound vent system piping.

Controls

Use the “GENERAL OPERATION” and “CHECKING
AND ADJUSTMENTS” sections of this manual for
reference.

1. Check the thermostat or operating controls for proper
operation.

2. A fl oat type low water cutoff device must be fl ushed
out per the manufacturers’ instructions. The probe
on a probe low water cut off must be removed,
cleaned and inspected at least once a year. Ensure
that the low water cutoffs operate properly. If not,
replace them.

3. The fl ow switch contacts must be open when water
fl ow is not present.

4. The relief valve should not weep or discharge water
at normal system pressure. If it does contact a quali­fi ed service technician to have it inspected. NEVER
try to clean or repair the relief valve! If the valve fails
to operate properly, have it replaced!

5. The aquastat high limit controls the maximum water
temperature in the boiler. It should be set at least
20°F, 11°C above the operator set point. If the water
temperature reaches the set temperature before the
demand for heat has been met, the aquastat high
limit should shut the boiler off. The water
temperature should never exceed the maximum set
point of 240°F, 116°C. The aquastat high limit cannot
be repaired. If it fails to function properly, replace it.

6. Visually check the pilot and main burner fl ames to
ensure proper operation, see Figures 11 & 13.

WARNING: Yellow, fl oating fl ames indicate a lack
of combustion air. A lifting fl ame indicates too
much combustion air. Do not operate the boiler
until the problem is solved or severe personal
injury or death may occur!

Figure 13 - Main Burner Flames

NORMAL

(HARD FLAME)

LIFTING

(TOO MUCH AIR)

Heat Exchanger Replacement

1. Sagging or distorted heat exchanger tubes are an
indication of low water fl ow through the system.

YELLOW TIPPING

(MARGINAL)

YELLOW FLAME
(TOO LITTLE AIR)

RIOM-49

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 25

Figure 14 - Replacement Parts

17

11

7

23

18

5

2

37

34

33

32

14

19

25

28

31

30

36

35

21

20

8

3

12

4

9

10

24

4

13

6

27

26

22

1

16

15

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 26

SERVICE AND REPLACEMENT PARTS LIST (MODELS 100-400)

Model Size With Item Quantities Below

Ref # Name of Part Part No.

1 Combustion Chamber Base Assembly 70-1221 1

(Outdoor) 70-1222 1

70-1223 1

70-1224 1

70-1225 1

70-1226 1

70-1227 1

Combustion Chamber Base Assembly 70-1240 1

70-1241 1

70-1242 1

70-1243 1

70-1244 1

70-1245 1

70-1246 1

Combustion Chamber Rear Panel 03-0886 1

03-0887 1

03-0888 1

03-0889 1

03-0890 1

03-0891 1

03-0892 1

Combustion Chamber Front Panel 03-0894 1

03-0895 1

03-0896 1

03-0897 1

03-0898 1

03-0899 1

03-0900 1

2 Rear Refractory Panel 05-0035 1

05-0036 1

05-0037 1

05-0038 1

05-0039 1

05-0040 1

05-0041 1

3 Upper Refractory Channel 03-0884 2 2 2 2 2 2 2

4 Side Refractory Panel, Left & Right 05-0033 2 2 2 2 2 2 2

5 Front Refractory Panel 05-0043 1

05-0044 1

05-0045 1

05-0046 1

05-0047 1

05-0048 1

05-0049 1

Combustion Chamber Side Panel, Left & Right

03-0901 2 2 2 2 2 2 2

100 150 200 250 300

350 400

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 27

Model Size With Item Quantities Below

Ref # Name of Part Part No.

2, 4, 5 Tile Kit

6

70-1328 1

70-1329 1

70-1330 1

70-1331 1

70-1332 1

70-1333 1

70-1335 1

70-1336 1

70-1337 1

70-1338 1

70-1339 1

70-1340 1

70-1356 1

70-1357 1

70-1358 1

70-1359 1

70-1360 1

70-1361 1

70-1363 1

70-1364 1

70-1365 1

70-1366 1

70-1367 1

70-1368 1

7 Flue Collector 70-1256 1

70-1257 1

70-1258 1

70-1259 1

70-1260 1

70-1261 1

70-1262 1

8 Jacket Rear Panel 03-0749 1

03-0750 1

03-0751 1

03-0752 1

03-0753 1

03-0754 1

03-0755 1

Burner Drawer Assembly, NG, Continuous Pilot

Burner Drawer Assembly, LP, Continuous Pilot

Burner Drawer Assembly, NG, Intermittent Pilot

Burner Drawer Assembly, LP, Intermittent Pilot

70-1554K

70-1555K

70-1556K

70-1557K

70-1558K

70-1559K

70-1560K

70-1327 1

70-1334 1

70-1355 1

70-1362 1

100 150 200 250 300

1

1

1

1

1

1

1

350 400

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 28

Model Size With Item Quantities Below

Ref # Name of Part Part No.

9 Draft Hood Assembly 70-1272 1

70-1273 1

70-1274 1

70-1275 1

70-1276 1

70-1277 1

70-1278 1

10 Jacket Rear Panel (Outdoor) 03-0719 1

03-0720 1

03-0721 1

03-0722 1

03-0723 1

03-0724 1

03-0725 1

11 Jacket Left Side Panel 03-0774 1 1 1 1 1 1 1

12 Jacket Right Side Panel 03-0775 1 1 1 1 1 1 1

13 Jacket Front Panel 03-0767 1

03-0768 1

03-0769 1

03-0770 1

03-0771 1

03-0772 1

03-0773 1

14 Jacket Upper Front Panel 03-0757 1

03-0758 1

03-0759 1

03-0760 1

03-0761 1

03-0762 1

03-0763 1

15 Jacket Front Panel (Outdoor) 03-0727 1

03-0728 1

03-0729 1

03-0730 1

03-0731 1

03-0732 1

03-0733 1

16 Outdoor Hood Assembly 70-1213 1

70-1214 1

70-1215 1

70-1216 1

70-1217 1

70-1218 1

70-1219 1

NS Vent Cap & Collar Kit (Outdoor) 09-0121 1

09-0122 1

09-0123 1

09-0124 1 1

09-0125 1

09-0126 1

100 150 200 250 300

350 400

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 29

Model Size With Item Quantities Below

Ref # Name of Part Part No.

17 Jacket Top Panel 03-0741 1

03-0742 1

03-0743 1

03-0744 1

03-0745 1

03-0746 1

03-0747 1

NS Jacket Top Panel (Outdoor) 70-1205 1

70-1206 1

70-1207 1

70-1208 1

70-1209 1

70-1210 1

70-1211 1

18 Spill Switch 14-0226 1 1 1 1

19 Flame Roll-Out Switch 14-0225 1 1 1 1

20 Tube Bundle (Copper) 70-1312 1

70-1313 1

70-1314 1

70-1315 1

70-1316 1

70-1317 1

70-1318 1

Tube Bundle (Cupronickel) 70-1320 1

70-1321 1

70-1322 1

70-1323 1

70-1324 1

70-1325 1

70-1326 1

NS O Ring, Inlet/Outlet & Return Headers 06-0001 16 16 16 16 16 16 16

NS Nut, Inlet/Outlet & Return Headers 57-0492 12 12 12 12 12 12 12

NS Stud, Inlet/Outlet & Return Headers 57-0220 12 12 12 12 12 12 12

21 Inlet/Outlet Header, Cast Iron

Inlet/Outlet Header, Bronze

NS Inlet/Outlet Header, Cast Iron (Mod)

NS Inlet/Outlet Header, Bronze (Mod)

NS Inlet/Outlet Header, Bronze (4 Pass)

NS Inlet/Outlet Header Bronze (Pool Heater)

22 Return Header, Cast Iron

Return Header, Bronze

NS Return Header, Bronze (4 Pass)

23 Inlet/Outlet Cover (Outdoor) 03-0734 1 1 1 1 1 1 1

24 Return Cover (Outdoor) 03-0737 1 1 1 1 1 1 1

NS Heat Exchanger “V” Baffl e 03-0869 7

03-0870 7

03-0871 7

03-0872 7

03-0873 7

03-0874 7

03-0875 7

01-0008S

01-0010S

01-0008M

01-0010M

01-0010-1S

01-0027S

01-0009S

01-0011S

01-0011-1S

100 150 200 250 300

1 1 1 1 1 1 1

1 1 1 1 1 1 1

1 1 1 1 1 1 1

1 1 1 1 1 1 1

1 1 1 1 1 1 1

1 1 1 1 1 1 1

1 1 1 1 1 1 1

1 1 1 1 1 1 1

1 1 1 1 1 1 1

350 400

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 30

Model Size With Item Quantities Below

Ref # Name of Part Part No.

25 Flame Roll-Out Shield 03-0904 1

03-0905 1

03-0906 1

03-0907 1

03-0908 1

03-0909 1

03-0910 1

26 Burner Tube, Stainless Steel 10-0251 2 3 4 5 6 7 8

27 Manifold 10-0452 1

10-0453 1

10-0454 1

10-0455 1

10-0456 1

10-0457 1

10-0458 1

28 Gas Valve, VR8300A, Con, NG 11-0065 1 1 1

Gas Valve, VR8300A, Con, NG 11-0066 1 1 1 1

Gas Valve, VR8300A, Con, LP 70-1551 1 1 1

Gas Valve, VR8300A, Con, LP 70-1552 1 1 1 1

Gas Valve, VR8304M, Int, NG 11-0056 1 1 1 1 1 1 1

Gas Valve, VR8304M, Int, LP 70-1076 1 1 1 1 1 1 1

Gas Valve, VR8304Q, NG (2 Stage) 11-0084 1 1 1 1 1 1 1

Gas Valve, VR8304Q, LP (2 Stage) 70-1579 1 1 1 1 1 1 1

Gas Valve, 5D5241, NG (Mod) 11-0353 1 1 1 1 1 1 1

NS Ignitor, PSE-NA29, NG 70-9019 1 1 1 1 1 1 1

Ignitor, PSE-NA29, LP 70-9020 1 1 1 1 1 1 1

NS Thermocouple, Q309A 10-0211 1 1 1 1 1 1 1

30 Ignition Module, S8610M 16-0054 1 1 1 1 1 1 1

31 Transformer, 40 VA 15-0002 1 1 1 1 1 1 1

NS High Limit, EMf-1, (SB) 14-0118 1 1 1

High Limit, EMF-5, (SB) 14-0009 1 1 1 1

High Limit, EMf-1, (SW) 14-0116 1 1 1

High Limit, EMf-5, (SW) 14-0008 1 1 1 1

NS Operator, EMf-1, (SB) 14-0118 1 1 1 1 1 1 1

Operator, EMf-23, (SB) 2 Stage 14-0007 1 1 1 1 1 1 1

Operator, EMf-1, (SW) 14-0116 1 1 1 1 1 1 1

Operator, EMf-23, (SW) 2 Stage 14-0010 1 1 1 1 1 1 1

Operator, T6031A (pool heater) 14-0003 1 1 1 1 1 1 1

32 Inlet Thermometer 14-0004 1 1 1 1 1 1 1

Outlet Thermometer 14-0004 1 1 1 1 1 1 1

NS Thermometer Well, 3/8 x 2 13-0102 2 2 2 2 2 2 2

NS High Limit Well, 3/8 x 3 13-0104 2 2 2 2 2 2 2

33 High Limit/Operator Knob 14-0120 1 1 1 1 1 1 1

34 98145.45189 40-0052 1 1 1 1 1 1 1

35 Relay, 24V AC 15-0113 1 1 1 1 1 1 1

36 Terminal Block 2P 48-0151 1 1 1 1 1 1 1

Terminal Block 4P 48-0152 1 1 1 1 1 1 1

Terminal Block 8P 48-0154 1 1 1 1 1 1 1

NS Pressure Relief Valve 30# 13-0004 1 1 1 1 1 1 1

NS Pressure Relief Valve 125# 30-0364 1 1 1 1 1 1 1

NS Flow Switch 14-0203 1 1 1 1 1 1 1

NS Flow Switch (Outdoor) 14-0205 1 1 1 1 1

100 150 200 250 300

350 400

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 31

OPTIONS

Model Size With Item Quantities Below

Ref # Name of Part Part No.

NS Flow Switch (Potter) 14-0201 1 1 1 1 1 1 1

NS Flow Switch (Potter Outdoor) 14-0202 1 1 1 1 1 1 1

NS Tridicator 30 - 60 psi 13-0308 1 1 1 1 1 1 1

NS Tridicator 75 - 160 psi 13-0305 1 1 1 1 1 1 1

37 On/Off Switch 48-0010 1 1 1 1 1 1 1

NS Orifi ce, #30, NG 10-0035 2 3 4 5 6 7 8

Orifi ce, #31 (2,000’ - 3,999’), NG 10-0036 2 3 4 5 6 7 8

Orifi ce, #37 (4,000’ - 5,999’), NG 10-0037 2 3 4 5 6 7 8

Orifi ce, #43 (6,000’ - 7,999’), NG 10-0043 2 3 4 5 6 7 8

Orifi ce, #47, LP 10-0038 2 3 4 5 6 7 8

Orifi ce, #49 (2,000’ - 3,999’), LP 10-0040 2 3 4 5 6 7 8

Orifi ce, #50 (4,000’ - 5,999’), LP 10-0041 2 3 4 5 6 7 8

Orifi ce, #51 (6,000’ - 7,999’), LP 10-0042 2 3 4 5 6 7 8

NS Stainless Steel Wipes 66-0050 1 1 1 1 1 1 1

NS Rating Plate 82-0054 1 1 1 1 1 1 1

NS Paint 66-0013 1 1 1 1 1 1 1

NS Induced Draft Kit, HS1

Induced Draft Kit, HS2

NS Vent Termination Hood 4” 09-0134 1 1 1 1

Vent Termination Hood 6” 09-0112 1 1 1

NS Vent Damper 5” 09-0007 1

Vent Damper 6” 09-0008 1

Vent Damper 7” 09-0009 1

Vent Damper 8” 09-0010 1 1

Vent Damper 9” 09-0012 1

Vent Damper 10” 09-0011 1

NS Combustible Floor Pan 70-1248 1

70-1249 1

70-1250 1

70-1251 1

70-1252 1

70-1253 1

70-1254 1

12-0009BK

12-0010DK

100 150 200 250 300

1 1 1 1

1 1 1

350 400

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONSPage 32

MACODE-3

NOTICE!

Commonwealth of Massachusetts

Installation Requirements

(a) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building
or structure used in whole or in part for residential purposes, including those owned or operated
by the commonwealth and where the side wall exhaust vent termination is less than seven (7) feet
above fi nished grade, in the area of the venting, including but not limited to decks and porches,
the following requirements shall be satisfi ed:

1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall
horizontal vented gas fueled equipment, the installing plumber or gasfi tter shall observe that a hard
wired carbon monoxide detector with an alarm and battery back-up is installed on the floor level
where the gas equipment is to be installed. In addition, the installing plumber or gasfi tter shall observe
that a battery operated or hard wired carbon monoxide detector with an alarm is installed on each
additional level of the dwelling, building or structure served by the side wall horizontal vented gas
fueled equipment. It shall be the responsibility of the property owner to secure the services of qualifi ed
licensed professionals for the installation of hard wired carbon monoxide detectors.

a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl

space or an attic, the hard wired carbon monoxide detector with alarm and battery back-up may
be installed on the next adjacent fl oor level.

b. In the event that the requirements of this subdivision can not be met at the time of completion of

installation, the owner shall have a period of thirty (30) days to comply with the above requirements;
provided, however, that during said thirty (30) day period, a battery operated carbon monoxide
detector with an alarm shall be installed.

2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in
accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and
IAS certifi ed.

3. SIGNAGE. A metal or plastic identifi cation plate shall be permanently mounted to the exterior of the
building at a minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal
for the horizontally vented gas fueled heating appliance or equipment. The sign shall read, in print
size no less than one-half (1/2) inch in size, “GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL
OBSTRUCTIONS”.

4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment
shall not approve the installation unless, upon inspection, the inspector observes carbon monoxide
detectors and signage installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4.

WARNING: Improper venting can result in excessive levels of carbon monoxide which can
cause severe personal injury or death!

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 33

MACODE-3

NOTICE!

Commonwealth of Massachusetts

Installation Requirements

In the Commonwealth of Massachusetts, the installation
must be performed by a licensed plumber or gas fi tter.

(b) Exemptions

The following equipment is exempt from 248 CMR 5.08(2)(a) 1 through 4:

1. The equipment listed in Chapter 10 entitled “Equipment Not Required To Be Vented” in the most
current edition of NFPA 54 as adopted by the Board; and

2. Product Approved side wall horizontally vented gas fueled equipment installed in a room or
structure separate from the dwelling, building or structure used in whole or in part for residential
purposes.

(c) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM PROVIDED.

When the manufacturer of Product Approved side wall horizontally vented gas equipment provides a
venting system design or venting system components with the equipment, the instructions provided by
the manufacturer for installation of the equipment and the venting system shall include:

1. Detailed instructions for the installation of the venting system design or the venting system
components; and

2. A complete parts list for the venting system design or venting system.

(d) MANUFACTURER REQUIREMENTS – GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED.

When the manufacturer of a Product Approved side wall horizontally vented gas fueled equipment does
not provide the parts for venting the fl ue gases, but identifi es “special venting systems”, the following
requirements shall be satisfi ed by the manufacturer:

1. The referenced “special venting system” instructions shall be included with the appliance or
equipment installation instructions; and

2. The “special venting systems” shall be Product Approved by the Board, and the instructions for that
system shall include a parts list and detailed installation instructions.

(e) A copy of all installation instructions for all Product Approved side wall horizontally vented
gas fueled equipment, all venting instructions, all parts lists for venting instructions, and/or all
venting design instructions shall remain with the appliance or equipment at the completion of
the installation.

WARNING: Improper venting can result in excessive levels of carbon monoxide which can
cause severe personal injury or death!

LIMITED WARRANTY

Boilers/Water Heaters

Industrial, Commercial and Other Non-Residential Use

The “Manufacturer” warrants to the original owner at the original installation site that the heat exchanger of the
Industrial, Commercial, and other Non-Residential Use Boiler (the “Product”) will be free from defects in material or
workmanship for ten (10) years from the date of installation. Additional twenty one (21) year thermal shock warranty
on heat exchanger. If upon examination by the Manufacturer the Product is shown to have a defect in material or
workmanship during the warranty period, the Manufacturer will repair or replace, at its option, that part of the Product
which is shown to be defective. All other RBI supplied Boiler/Water Heater parts are warranted against defects in
material and workmanship for one (1) year from date of installation or 18 months from date of shipment from RBI.

The “Manufacturer” warrants to the original owner at the original installation site that the heat exchanger of the
Industrial, Commercial, and other Non-Residential Use Water Heater (the “Product”) will be free from defects in
material or workmanship for fi ve (5) years from the date of installation. Additional twenty one (21) year thermal warranty
on heat exchanger. If upon examination by the Manufacturer the Product is shown to have a defect in material or
workmanship during the warranty period, the Manufacturer will repair or replace, at its option, that part of the Product
which is shown to be defective. All other RBI supplied Boiler/Water Heater parts are warranted against defects in

material and workmanship for one (1) year from date of installation or 18 months from date of shipment from RBI.

This limited warranty does not apply:
(a) if the Product has been subjected to misuse or neglect, has been accidentally or intentionally damaged, has

not been installed, maintained or operated in accordance with the furnished written instructions, or has been
altered or modifi ed in any way.

These include but not limited to:

• Excessive water hardness causing a lime build-up in the heat exchanger tubes is not a fault of the
equipment and is not covered under the manufacturer’s warranty.

• Excessive pitting and erosion on the inside of the heat exchanger tubes caused by high water velocity
through the tubes and is not covered by the manufacturer’s warranty. (See Installation Instructions for
proper pump performance.)

• Chemical corrosion, no corrosive chemical (freon, dry cleaning chemicals, degreasing liquids, chlorine or
any chemicals that produce hydrochloric acid) can be present in the boiler room as it rapidly destroys the
heating equipment and voids the warranty.

• All copper fi n boilers should not operate with a return water temperature less than 110°F, 43°C atmospheric
combustion, 125°F, 52°C fan assist combustion. If a lower temperature is required, an external bypass should be
installed to prevent condensation. The manufacturer’s warranty does not cover damage done by condensation.

(b) to any expenses, including labor or material, incurred during removal or reinstallation of the Product or

parts thereof.

(c) to damage as a result of settlement, distortion, collapse, or cracking of any foundation area, beams or pipes

surrounding the Product.

(d) to any workmanship of any installer of the Product; or to Products installed outside the continental United

States or Canada.

This limited warranty is conditional upon:
(a) shipment, to the Manufacturer, of that part of the Product thought to be defective. Goods can only be returned

with prior written approval from the Manufacturer. All returns must be freight prepaid.

(b) determination in the reasonable opinion of the Manufacturer that there exists a defect in material or

workmanship.

Repair or replacement of any part under this Limited Warranty shall not extend the duration of the warranty with
respect to such repaired or replaced part beyond the stated warranty period.

THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EITHER EXPRESS OR IMPLIED, AND
ALL SUCH OTHER WARRANTIES, INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE HEREBY DISCLAIMED AND
EXCLUDED FROM THIS LIMITED WARRANTY. IN NO EVENT SHALL THE MANUFACTURER BE LIABLE IN
ANY WAY FOR ANY CONSEQUENTIAL, SPECIAL, OR INCIDENTAL DAMAGES OF ANY NATURE
WHATSOEVER, OR FOR ANY AMOUNTS IN EXCESS OF THE SELLING PRICE OF THE PRODUCT OR ANY
PARTS THEREOF FOUND TO BE DEFECTIVE. THIS LIMITED WARRANTY GIVES THE ORIGINAL OWNER OF
THE PRODUCT SPECIFIC LEGAL RIGHTS. YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY BY
EACH JURISDICTION.

260 North Elm Street 7555 Tranmere Drive
Westfi eld, MA 01085 
Phone: [phone] Phone: [phone]
Fax: [phone] Fax: [phone]

www.rbiwaterheaters.com

Mississauga, Ontario L5S 1L4

SPECTRUM INSTALLATION AND OPERATING INSTRUCTIONS Page 35

260 North Elm Street 7555 Tranmere Drive
Westfi eld, MA 01085  Mississauga, Ontario L5S 1L4
Phone: [phone] Phone: [phone]
Fax: [phone] Fax: [phone]