Triad Triumph series, T-1000, T-750, T-900 Owner's Manual

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C.S.A Design-Certified
Complies with ANSI Z21.13/CSA 4.9
Gas-Fired Low Pressure Steam & Hot Water
Boilers

Installation Date: _______________________

TRIAD Boiler Systems, Inc.
1099 Atlantic Drive, Unit 2
West Chicago, IL 60185
Phone: [phone]
Fax: [phone]
www.triadboiler.com

Version 1.0 / 1-08-08

ASME Code, Section IV

C.S.A Design-Certified
Complies with ANSI Z21.13/CSA 4.9
Gas-Fired Low Pressure Steam & Hot Water
Boilers

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ATTENTION!!!

WATER:

ÿ The pH of the system must be between 6.0 and 8.5. Periodically check the pH!

ÿ If Glycol is used it must be approved by the chemical manufacturer for aluminum boilers!

VENTING:

ÿ This boiler is Category IV (condensing positive pressure) and is NOT certified for use with

Type “B” vent!

HEAT EXCHANGER:

ÿ Maximum operating pressure is 80 psi and maximum temperature is 200° F!

BURNER:

ÿ If the material surrounding the burner tube is ripped in any way, it MUST be replaced!

ÿ Change the spark iginiter once a year!

MANUAL RESET SERVICE CODES:

ÿ A few of the more common lockout codes: (See page 33 for all of them.)

Code Lockout Description

E 00 False flame. A flame signal is present when it shouldn’t be.
E 02 Flame failure. The burner did not light on startup, or loss of flame during run.
E 03 Gas Valve error. Check all gas valves electrical connections.
E 08 Air pressure switch open Air pressure switch failed to close to indicate sufficient air flow to start the boiler.
E 12 External limit open An external limit has opened. (High/Low Gas Pressure, High Temp, or Low Water)

ÿ If any “Manual Reset” limit device trips, DO NOT reset without determining and correcting

the cause!!

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1.0 INTRODUCTION ................................ .......2

2.0 SAFETY ................................ .................... 2

2.1 General................................ ............................ 2

2.2 Training ................................ ........................... 2

2.3 Safety Features................................................2

2.4 Safety Labels................................ ...................3

2.5 Safety Precautions................................ ...........3

2.5.1 Electrical Hazards................................ ...3

2.5.2 Burn, Fire, and Explosion Hazards..........3

2.5.3 Crush Hazards................................ ........4

2.5.4 Chemical Hazards................................ ...4

2.5.5 Pressure Hazards................................ ...5

2.5.6 Slip, Fall Hazards................................ ....5

3.0 INSTALLATION................................ ......... 6

3.1 Receiving and Storage................................ .....6

3.1.1 Initial Inspection................................ ......6

3.1.2 Storage Prior to Installation..................... 6

3.2 Compliance with Codes................................ ....6

3.3 Setup................................ ............................... 6

3.3.1 Foundation..............................................6

3.3.2 Placement ................................ ..............7

3.3.3 Clearances................................ .............7

3.4 Electrical Connections................................ ......7

3.5 Combustion Air................................................8

3.5.1 Air Inlet Requirements............................. 8

3.6 Flue Venting................................ .....................9

3.6.1 Barometric Damper................................ .9

3.6.2 Flue Connection................................ ......9

3.6.3 Required Clearances.............................. 9

3.6.4 Vent Terminations................................ .10

3.6.5 Venting for Multiple Boilers....................10

3.6.6 Sealed Combustion Air/Venting System11

3.6.7 Removing an Existing Boiler .................11

3.6.8 Intake/Exhaust Layout........................... 11

3.6.9 Intake Duct Materials and Sizes:...........12

3.6.10 Sealing the Intake Duct....................... 13

3.6.11 Intake Duct Connection to Boiler.........13

3.6.12 Intake Duct Terminations ....................13

3.6.13 Vent Elbows................................ ........13

3.7 Gas Piping................................ .....................13

3.7.1 Gas Supply Piping by Installer...............15

3.8 Boiler Water Piping................................ ........15

3.8.1 Piping Design................................ ........15

3.8.2 Boiler Inlet and Outlet Connections.......16

3.8.3 Boiler Water Piping by Installer..............17

3.8.4 Water Quality, Flushing and Filling........17

3.9 Burner and Ignition System............................ 18

3.9.1 Inspection................................ .............18

3.10 Pre-Start Check List................................ .....19

3.11 Safety Checks................................ ..............19

3.11.1 Test of Ignition Safety System.............19

3.11.2 Test of Low Water Cut Off...................19

3.11.3 Test of High-Limit Control....................20

3.11.4 Test of Gas Pressure Switch...............20

3.12 Initial Adjustments................................ ........20

3.12.1 Operating Temperature Controller.......20

3.12.2 Gas Pressure Adjustment ...................25

3.12.3 Air Flow Adjustments .......................... 25

3.12.4 Gas Valve Setup and Adjustment........25

4.0 OPERATION................................ ........... 28

4.1 General................................ .......................... 28

4.1.1 Control Panel Front............................... 28

4.1.2 Tests ................................ .................... 28

4.2 Normal Lighting and Shut-Down Procedures..28

4.2.1 Lighting Procedures.............................. 28

4.2.2 Normal Shut Down Procedures.............28

4.2.3 Emergency Shut-Off.............................. 28

4.3 Typical Boiler Operating Conditions................29

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5.0 MAINTENANCE ................................ ......30

5.1 Maintenance and Inspection Schedule...........30

5.1.1 Daily................................ ..................... 30

5.1.2 Weekly................................ ..................30

5.1.3 Monthly (During Operation)................... 30

5.1.4 Semi-Annually (every 6 months) ...........31

5.1.5 Annually................................ ................31

5.2 Cleaning the Burner................................ .......31

5.3 After All Repairs or Maintenance.................... 31

5.4 Sequence of Operation................................ ..32

5.5 Troubleshooting................................ ............. 32

5.5.1 Manual Reset Service Codes................34

5.5.2 Auto-reset Service Codes.....................35

It is essential to read, understand, and follow
this manual before installing, operating, or
servicing this equipment. Failure to do so
could result in fire or explosion and serious
injury, death, and/or property damage.

The features which permit this boiler to
achieve high-efficiency performance make it
unlike most other boilers of this general size,
so it is important to understand how it
operates.

Do not store or use gasoline or other
flammables in the vicinity of this or any other
appliance. Chemicals, fuels, or other
potentially hazardous or toxic materials must
not be stored in the same room as the boiler.

6.0 PARTS/TECHNICAL SUPPORT............. 36

6.1 Wiring Diagrams................................ ............37

6.1.1 Terminal Block Assignments – High Voltage

Circuit (TB2)................................ .............37

6.1.1a Terminal Block Assignments – Low Voltage

Circuit (TB1)................................ .............38

6.1.2 Wiring Triad Series 750/900/1000.........39

6.2 Boiler Parts List................................ ..............40

6.2.1 Main Assembly ................................ .....40

6.2.2 Control Panel................................ ........41

6.2.3 Display Panel................................ ........42

6.2.4 Triad-750/900/1000 Heat Exchanger.....43

6.2.5 Triad-750/900/1000 Gas Train ..............44

7.0 LIMITED WARRANTY ............................ 45

8.0 APPENDIX................................ .............. 47

Installation and service must be performed by
a qualified installer or service agency that has
been trained on the Triad TRIUMPH Boiler

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 fire department.

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1.0 INTRODUCTION

Congratulations on purchasing the highly efficient

TRIUMPH Series Gas-Fired Boilers form Triad

Boiler Systems, Inc. These boilers feature an
aluminum alloy heat exchanger capable of
operating in a fully condensing mode to provide
maximum efficiency in a very small footprint. This
is complemented by a fully modulating burner
with a variable speed combustion blower,
microprocessor controls, and modulating gas
safety shut off & control valves. The high-quality
materials and thoroughly tested design of your
boiler will provide years of trouble-free service if
the instructions in this manual are carefully
followed.

This manual covers installation of the TRIAD

TRIUMPH Series Boilers. The model numbers

may be followed by a prefix or suffix letter in
some cases to indicate special features or
options.

While details may differ slightly, basic operation is
the same for all models. Boilers may be built to
operate with natural gas or propane. Check the
rating plate for correct fuel usage and gas
pressures.

The boiler is only a part of the complete heating
system. It may be fully operational, yet because
of poor circulation, control, or other operating
characteristics, not deliver heat to the desired
location. Additional equipment such as
temperature sensors, pumps, flow switches,
balancing valves, and check valves will be
required for satisfactory operation of any system.
Triad Boiler Systems cannot be responsible for
the design or operation of such systems and a
qualified engineer or contractor must be
consulted.

2.0 SAFETY

2.1 GENERAL

∑ Installed, operated, and serviced in

accordance with instructions contained in this
manual.

∑ Installed by qualified personnel in accordance

with designs prepared by qualified facility
engineers including: structural, mechanical,
electrical, and other applicable disciplines.

∑ Operated and serviced in accordance with a

comprehensive safety program determined
and established by the customer. Do not
attempt to operate or service until such a
program has been established.

∑ Operated and serviced by qualified, properly

trained personnel in accordance with all
applicable codes, laws, and regulations.

Note: Each safety device must be maintained
and checked per the recommended schedule;

refer to Section 5.1 of this manual.

2.2 TRAINING

It is essential to read, understand, and follow the
recommendations of this manual before installing,
operating, or servicing this equipment. Failure to
do so could result in property damage, serious
injury, or death.

Proper training is the best protection against
accidents. Operating and service personnel must
be thoroughly familiar with the basic construction
of the TRIAD TRIUMPH Series boiler, the use
and locations of the controls, the operation of the
boiler, adjustment of its various mechanisms, and
all applicable safety precautions. If any of the
provisions of this manual are not fully and
completely understood, contact Triad Boiler at

630.562.2700 for assistance.

The TRIUMPH Series gas-fired boiler must be:

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

2.3 SAFETY FEATURES

It is the responsibility of the customer to maintain
the safety features, such as: guards, safety

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labels, safety controls, interlocks, lockout devices,
etc., in place and operable.

2.4 SAFETY LABELS

NOTE

When opening leak test valves,
always follow instructions in
operation and safety manual.

c

1998 HCS, Inc. 800-748-0241

The safety labels shown above are affixed to your
boiler. Although the labels are of high quality,
they may become dislodged or unreadable over
time. Contact Triad Boiler Systems at

630.562.2700 for replacement labels.

2.5 SAFETY PRECAUTIONS

Provide a suitable location for the boiler, away
from normal personnel traffic, with adequate
working space, adequate clearances, proper
ventilation and lighting, with a structure
sufficiently strong and rigid to support the weight
of the boiler, all piping, and accessories.

2.5.1 Electrical Hazards

∑ Shock hazard! Properly lockout/tagout the

electrical service and all other energy sources
before working on or near the boiler.

∑ Shock hazard! Do not spray water directly on

any electrical components.

Reorder No. 8032-01NHPK

2.5.2 Burn, Fire, and Explosion Hazards

General Warning

Hot Surface

NOTE

When opening leak test valves,
always follow instructions in
operation and safety manual.

c

1998 HCS, Inc. 800-748-0241

∑ Burn, fire, and explosion hazards!

Installation must be in strict conformance to
all applicable codes and standards including
NFPA 54, ANSI Z223.1 and CAN/CGA B.149.
Install all required vent lines for gas devices.
Refer to Section 3.7.1.

∑ Hazard from incorrect fuels! Possible fire,

explosion, overheating, and damage. Do not
use any fuels except the design fuels for the
unit.

∑ Overfire hazards! High pressure in gas or

propane supply could result in overfiring of
other devices supplied from the same source.

∑ Fire and explosion hazards! Close the main

gas shutoff before servicing boiler.

∑ Fire and explosion hazards! Do not store or

use gasoline or other flammable vapors or
liquids in the vicinity of this or any other gas
fired appliance.

∑ Burn hazard! Possible hot surfaces. Do not

touch gas vent during firing operation. Use
only factory recommended vent components.

∑ Burn hazard! Pipes, vents, and boiler

components could be hot. Do not touch piping

Reorder No. 8032-01NHPK

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

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or stack surfaces during operation or
immediately after shutdown of the boiler.

∑ Burn hazard! Hot fluids. Use caution when

servicing or draining boiler.

∑ Fire and explosion hazards! Use caution

when servicing burner. Propane (LPG) is
heavier than air and may linger in the
combustion chamber, vent lines, or
elsewhere.

∑ Gas leak hazard! Make sure the burner is

installed correctly and burner hood is securely
fastened following any maintenance
performed on them. These connections
cannot be tested after the burner is
assembled.

∑ Gas leak hazard! All threaded gas

connections must be made using a pipe
compound that is resistant to liquefied
petroleum. Do not use Teflon‰ tape on
threaded gas piping.

∑ Gas leak hazard! Check entire gas train for

leaks after installation. If there is a smell of
gas, shut down the boiler and obtain
immediate assistance from trained service
personnel and/or your local fire department.

General Warning

SSaaffeettyy

∑ Lifting hazards! Use properly rated lifting

equipment to lift and position the boiler. The
load is unbalanced. Test balance before lifting
3 ft. above the floor. Do not allow personnel
beneath the lifted load. Refer to approximate
weights in the table below:

Boiler Size Weight in Pounds

750,000 Btu 650
900,000 Btu 700

1,050,000 Btu 750

∑ Bump hazard from overhead ductwork and

piping. Install components with adequate
vertical clearance.

2.5.4 Chemical Hazards

∑ Overfire hazard! Possible fire and explosion

from excess gas pressure. Make sure that
gas inlet pressure does not exceed 14 inches
W.C. to the regulator.

∑ Overfire hazard! Possible fire and explosion.

Possible malfunction of regulators and/or gas
safety shut off / control valves. Maintain all
gas train components in good condition. Do
not alter wiring connections. Annual
inspection by factory-trained personnel for
proper set-up and operation is recommended.

∑ Overfire and underfire hazards! Possible

fire, explosion, overheating, and component
failure. Do not attempt to adjust firing rate of
the boiler. The firing rate must be adjusted

∑ Chemical hazards from cleaning products.

Use caution when cleaning the system.
Consulting a professional is recommended.
Use safe procedures for the disposal of all
cleaning solutions.

∑ Combustion Condensate – a pH of

approximately 4 to 5 can be expected. Use
PVC or CPVC piping. Collection and disposal
must be in accordance with all applicable
regulations.

only by factory trained personnel.

2.5.3 Crush Hazards

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

General Warning

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2.5.5 Pressure Hazards

∑ Pressure hazard! Hot fluids. Install isolation

valves on boiler water inlet and outlet. Make
sure isolation valves are closed before
servicing boiler.

∑ Pressure hazard! Hot fluids. Annually test

safety relief valve for proper operation. Do not
operate boiler with faulty relief valve.

2.5.6 Slip, Fall Hazards

∑ Tripping hazard! Do not install piping on floor

surfaces. Maintain clear path around boiler.

∑ Slip and fall hazard! Use drip pan to catch

water while draining the boiler. Maintain dry
floor surfaces.

∑ Slip and fall hazard! Do not locate intake or

exhaust terminations directly above a
walkway; dripping of condensation can cause
icing of the walking surface.

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3.0 INSTALLATION

3.1 RECEIVING AND STORAGE

3.1.1 Initial Inspection

Upon receiving the boiler, inspect it for signs of
shipping damage. Since some damage may be
hidden, we recommend unpacking the boiler and
removing the top cover and inspecting the boiler.

Verify that the total number of pieces shown on
the packing slip agrees with those actually
received.

Important: Note any damage, suspected
potential damage, or shortage of materials on
the freight bill and immediately notify the
carrier. File all claims for shortage or damage
with the carrier. Claims for hidden damages
must be filed with your carrier within 7 days.
The boiler carton is equipped with a “Tip (N)
Tell”. If "Tip (N) Tell” arrow point is blue, that
indicates that the package has been on its
side or tipped over in transit.

3.1.2 Storage Prior to Installation

If the boiler is not installed immediately, it must be
stored in a location adequately protected from the
weather, preferably indoors. If this is not possible,
then it should remain in the shipping container
and be covered by a tarpaulin or other waterproof
covering.

Note: Controls and other equipment that are
damaged or fail due to weather exposure are
not covered by warranty.

3.2 COMPLIANCE WITH CODES

The TRIAD TRIUMPH Series Boiler with standard
components and with many options complies with
American National Standard/CSA Standard ANSI
Z21.13/CSA 4.9, latest edition, Gas-Fired Low
Pressure Steam and Hot Water Boilers.

The heat exchanger is constructed and stamped
in accordance with ASME Boiler and Pressure
Vessel Code, Section IV for 80 psig maximum
operating pressure and/or 200º F maximum
temperature.

Other codes or approvals which apply will be
labeled on the boiler.

Installation of the boiler must conform to all the
requirements of all national, state and local
codes established by the authorities having
jurisdiction or, in the absence of such
requirements, in the U.S. to the National Fuel
Gas Code, ANSI Z223.1/NFPA 54, latest edition.
In Canada, the equipment shall be installed in
accordance with the current Installation Code for
Gas Burning Appliances and Equipment,
CAN/CGA-B.149, and applicable Provincial
Regulations for the class, which should be
carefully followed in all cases. Authorities having
jurisdiction should be consulted before
installations are made.

Where required by local codes, the installation
must conform to American Society of Mechanical
Engineers Safety Code for Controls and Safety
Devices for Automatically Fired Boilers (ASME
CSD-1).

In the Commonwealth of Massachusetts (a) this
unit must be installed by a licensed pipe fitter /
plumber, (b) field installed gas cocks must be “T”
handle type, and (c) piping of condensate shall
conform with the State Plumbing Code.

3.3 SETUP

3.3.1 Foundation

Provide a firm, level foundation, preferably of
concrete.

Note: The boiler may be installed on a
combustible floor; however, the boiler must
never be installed on carpeting.

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3.3.2 Placement

The boiler must be level to function properly. To
assist in leveling the boiler, the four (4) adjustable
leg bolts (1/2"- 13 NC) must be installed. The
adjustable legs are also necessary to provide
adequate floor clearance and prevent distortion of
the cabinet, (twisting, etc.) in addition to leveling.

Adjustable
Leg Bolts

Adjustable Legs for Leveling and Clearance

3.3.3 Clearances

D

Minimum Clearances from Adjacent Walls, Ceiling, and

Dimensions (inches) Type of Surface

A B C† D

Combustible Surfaces 24 24 24 24

Non-combustible Surfaces 30 * 24 24**

D

Obstructions

If the boiler is to be installed near combustible
surfaces, the minimum clearances shown in the
table below must be maintained.

Failure to provide for the service access
clearances, even with non-combustible surfaces,
may cause future problems servicing the boiler.

The boiler must be installed in a space large in
comparison to the boiler as described in Section

6.3 of the National Fuel Gas Code, ANSI Z223.1,
latest edition.

No pipes,

ducts, etc. in

this area.

A B

C

† "C" Do not put pipes, ducts, etc. in this area
above the boiler.

CAUTION!

Bumping hazard from overhead ducts! Install all
components with adequate vertical clearances.

* Clearance depends upon vent configuration.
** Service access need be only on one side of a

boiler or row of boilers. Boilers may be installed
immediately adjacent to each other. However
Triad recommends this clearance between each
boiler when there is insufficient access at the
rear to allow for service and adjustment.

3.4 ELECTRICAL CONNECTIONS

The boiler is wired for 120 volts, single phase, 60
hertz. The total operating amperage is indicated
on the rating nameplate. All TRIUMPH units
require less than 8 amps. Before starting the
boiler, check to ensure that the proper electrical
service is connected to the boiler.

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An external electrical disconnect (not supplied
with the boiler) with adequate overload protection
is required. The boiler must be grounded in
accordance with local codes or in the absence of
such requirements, in the U.S. with National
Electrical Codes, ANSI/NFPA No. 70 latest
edition and in Canada to the current Canadian
Electrical Code, Part I, CSA C22.1.

Note: A dedicated earth ground (green wire) is
required to avoid nuisance shutdowns. Do not
ground through the conduit. Make sure that
proper polarity is maintained.

Note: Refer to Terminal Block Assignments
(Section 6.1.1).

120 Volt
Electrical Control
Junction Box

Low Voltage
Control Junction
Box

Electrical Connections at Rear of Boiler

3.5 COMBUSTION AIR

Combustion air must be free from dust, lint, etc.
The presence of such materials in the air supplied
to the burner could cause nuisance "Low Air"
shutdowns, reduced capacity, or premature
burner failure. The boiler should not be operated
during construction while the possibility of drywall
dust, demolition dust, etc. exists.

The combustion air supply must be completely
free of chemical fumes which may be corrosive
when burned in the boiler. Common chemicals
which must be avoided are fluorocarbons and
other halogenated compounds, most commonly
present as refrigerants or solvents, such as freon,
trichlorethylene, perchlorethylene, chlorine, etc.
These chemicals, when burned, form acids which

quickly attack the boiler and the boiler stack.
The result is improper combustion and
premature boiler failure.

Provisions for combustion and ventilation air
must be in accordance with Section 5.3, Air for
Combustion and Ventilation, of the National Fuel
Gas Code, ANSI Z223.1, latest edition, or
applicable provisions of the local building codes.
In Canada, combustion air openings shall
comply with CSA B.149 Installation Code. The
formula is 1 sq. in. per 1,000 Btu/hr of gas input
not less than 100 sq. in. The location shall be
neither more than 18", nor less than 6" above
the floor level.

The boiler room shall be provided with two
openings to ensure adequate combustion air
and proper ventilation. One opening should be 6
to 12 inches above the floor and the other 6 to
12 inches below the ceiling, preferably on
opposite walls. The size of each opening is
determined by whether air is taken from inside or
outside the building. In Canada, ventilation air
openings shall be at least 10% of the cross
sectional area required for combustion air, but
not less than 10 square inches. It is to be
located at the highest practical point
communicating with outdoors.

WARNING!

Under no circumstances shall the boiler room
ever be under a negative pressure. Particular
care should be taken when exhaust fans,
compressors, air-handling units or other
equipment may rob air from the boiler.

3.5.1 Air Inlet Requirements

If air is taken directly from outside the building,
each opening (minimum of two) should have a
net free area of 1 square inch for each 4,000 Btu
per hour of total boiler input. For instance, 112.5
square inches are required for 450,000 Btu per
hour input.

When air is taken from the outdoors through a
vertical duct, 1 square inch per 4,000 Btu per
hour is required. If a horizontal duct is used, 1
square inch per 2,000 Btu per hour is required,

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i.e., 225 square inches for 450,000 Btu per hour
input.

If air is taken from another interior space, each
opening should have a net free area of 1 square
inch for each 1,000 Btu per hour of boiler input
(450 square inches for a 450,000 Btu per hour.)

3.6 FLUE VENTING

This boiler requires a special vent system. This
boiler is Category IV (condensing – positive
pressure) as it is defined in ANSI Z21.13/CSA

4.9, latest edition. The vent material must be
listed Category IV vent pipe (316L or AL29-4C
Stainless Steel) and comply with UL 1738 or
UL103. In Canada it must comply with ULC­S636. The exhaust vent can be run horizontally
or vertically.

This boiler is NOT certified for use with Type

"B" vent.

Vent installations shall be in accordance with Part
10, Venting of Equipment, of the National Fuel
Gas Code, ANSI Z223.1 or CSA B.149 code, or
applicable provisions of the local building codes.

The venting system and the horizontal portions of
the venting system shall be supported to prevent
sagging.

WARNING!

Do not use a barometric damper with this

boiler. (This is a positive pressure system;

combustion gas may leak into the room.)

3.6.2 Flue Connection

The connection from the boiler to the vent should
be as direct as possible and the upward slope of
any horizontal breaching should be at least 1/4
inch per linear foot. The vent connection
incorporates a slope toward the boiler to
facilitate pitching of the vent for condensate
collection. This boiler should not be connected
into any portion of another mechanical draft
system operating under positive pressure
without consulting your local venting
representative. Provisions must be made for
supports to prevent contact of the vent with
combustible surfaces.

Note: If the vent is erected directly behind the
boiler, make sure that the weight of the duct is

not supported by the boiler vent. The boiler is

not designed to support the weight of the

duct. Structural support and spacing from

combustible surfaces must be in accordance
with the vent manufacturer's requirements.

The vent must be sized according to the vent
manufacturer’s recommendations. Consult your
vent supplier for correct sizing and structural
support requirements. Design calculations should
be based on a maximum of 0.22" W.C. total
frictional resistance in the stack (measured at the
boiler flue gas discharge), with a stack
temperature of 210° F (gross) and a CO

level of

2

9% (natural gas) or 10.4% (propane). These
values are to be used for vent sizing calculations.

The installation of a bird screen on the vent
termination is recommended. Consult your local
vent manufacturer for proper sizing.

3.6.1 Barometric Damper

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

Flue Connection at Boiler

3.6.3 Required Clearances

Provide clearances between combustion air
intake, exhaust vent, roof and wall surfaces,
doors and window, and snow line as shown in
the following diagrams. The exhaust vent
termination must be 14 feet above grade when
located adjacent to a public walkway. It must

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also have a minimum 6 foot horizontal and 6 foot
vertical clearance (above or below) any electric
meters, gas meters, regulators, or relief
equipment.

WARNING!

Do not locate intake or exhaust terminations
directly above a walkway; dripping of
condensation can cause icing of the walking
surface.

Mechanical draft vent

12 in.
min.

terminal

Grade

Direct vent terminal
clearance minimum 12 in.

12 in.

min

Mechanical draft

vent terminal

4 ft.
min.

12 in.
min.

4 ft.
min.

Less
than
10 ft.

3 ft min.

3.6.4 Vent Terminations

No rain cap

required,

or Tee.

Centering

Support Plate

Sealant

Outside Plate

Cover Plate
Fastener

Sealant

Recommended

Termination

(see text below)

12" min.

Vent Termination Details

The vent should extend at least three (3) feet
above the roof, or at least two (2) feet above the
highest part of any structure within ten (10) feet
of the vent.

Reference: ANSI Z223.1 - 2002

10' min.

Combustion

Air Inlet

4' min above

4' min.

snow line

Forced
air inlet

Sidewall Installations

Flue Gas

Outlet

Rooftop Installations

To prevent the possible re-circulation of flue
gases, your vent designer must take into
consideration such things as prevailing winds,
eddy zones, building configurations, etc. Triad
cannot be responsible for the effects such
adverse conditions may have on the operation of
the boilers. Dimensions listed above or those
illustrated represent minimum dimensions only
and may or may not be sufficient for conditions
at a specific job site.

A tee must be of approved design and adequate
capacity.

3.6.5 Venting for Multiple Boilers

The venting instructions in this manual apply to a
single boiler.

Venting systems for multiple boilers must be
designed by qualified professionals and
verified by the stack manufacturer. The
venting system must prevent backflow of

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exhaust gas through idle boilers which are
not operating.

3.6.6 Sealed Combustion Air/Venting System

The TRIUMPH Series Boilers are also certified for
operation with a sealed combustion air and
pressurized venting system. Such a system
employs a sealed combustion air intake duct
leading from outdoors and a sealed exhaust vent
terminating outdoors. Air flow through the system
is maintained by the fan inside the boiler
assembly.

Vent Installation Details

Installation must conform to the vent
manufacturer's instructions in all respects
including joining, clearances, fastening, fire­stopping, and other matters.

Vent ductwork may be run horizontally or
vertically if so certified.

3.6.7 Removing an Existing Boiler

(from a common venting system)
When an existing boiler is removed from a

common venting system, the venting system will
now probably be too large for proper venting of
any remaining appliances that are still connected.

When an existing boiler is removed, complete the
following steps with each appliance remaining
connected to the common venting system (when
they are not in operation):

1. Seal any unused openings in the common
venting system.

2. Visually inspect the venting system for proper
size and horizontal pitch and determine that
there is no blockage or restriction, leakage,
corrosion or other deficiency which could
cause an unsafe condition.

3. 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 appliances
not connected to the common venting
system. Turn on any exhaust fans, such as
range hoods and bathroom exhausts, so
they will operate at maximum speed. Do not
operate a summer exhaust fan. Close
fireplace dampers.

4. Place the appliance being inspected in
operation. Follow the lighting instructions.
Adjust the thermostat so that the appliance
will operate continuously.

5. Test for spillage at the draft hood relief
opening after 5 minutes of main burner
operation. Use the flame of a match or
candle or smoke from a cigarette.

6. After it has been determined that each
appliance connected to the common venting
system properly vents, return windows,
doors, exhaust fans, fireplace dampers and
any other gas-burning appliance to their
previous conditions of use.

Any improper operation of the common venting
system should be corrected so the installation
conforms with the National Fuel Gas Code, ANSI
Z223.1 and CSA B149 Installation Code. When
resizing any portion of the common venting
system, the common vent system should be
resized to approach the minimum size as
determined using the appropriate tables.

3.6.8 Intake/Exhaust Layout

Four basic configurations for the intake/exhaust
may be used. Refer to Section 3.6.3 for

required clearances for all terminations

shown in the four following figures:

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Basic Air Inlet/Vent Configurations

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3.6.9 Intake Duct Materials and Sizes:

Material: PVC, CPVC (Schedule 40), single wall
galvanized steel, or other suitable materials.

The intake duct must be sized for a maximum
pressure drop of 0.22 inches W.C., for the SCFM
as specified below.

Btu Size Required SCFM

1050 245

900 210
750 175

The installation of a bird screen on the intake
termination is recommended.

3.6.10 Sealing the Intake Duct

Proper sealing of the intake ductwork is
necessary to prevent infiltration of air from
conditioned space. Joints in PVC or CPVC must
be cemented. For galvanized duct, wrap each
joint and seam with adhesive aluminum tape.

3.6.11 Intake Duct Connection to Boiler

Connect the air supply duct to the collar on the
back of the boiler. Fasten the duct to the collar
with sheet metal screws at 90º angles. Seal the
joint.

3.6.12 Intake Duct Terminations

No rain cap -

Unrestricted

The roof intake termination must be an
unrestrictive type, as shown above.

Support Plate

Centering

Sealant

Recommended

Outside Plate

Cover Plate
Fastener

Sealant

Termination

12" min.

Intake Termination Details

Field Provided
Inlet Screens

3.6.13 Vent Elbows

The turn from horizontal to vertical should be
made with two 45º ells or with one long radius
90º ell for best operation. Do not use "short
radius" ells.

3.7 GAS PIPING

Before making the gas hook-up, make sure the
boiler is being supplied with the type of fuel
shown on the boiler nameplate.

The boiler shall be installed such that the gas
ignition system components are protected from
water (dripping, spraying, rain, etc.) during
appliance operation and service (circulator
replacement, control replacement, etc.)

The boiler is factory fire-tested and adjusted for
proper combustion with natural gas supply
pressure of 7” W.C. Typical gas pressure
supply for natural gas is 7" W.C. (11" W.C. for
propane). The gas train components are
certified to handle a maximum inlet pressure of
14" W.C. (1/2 psig.). If the available gas
pressure exceeds 14" W.C., a suitable additional
intermediate gas pressure regulator of the "lock
up" type must be provided to reduce the
pressure to less than 14" W.C.

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WARNING!

All threaded connections must be made using a
pipe compound that is resistant to the action of
liquefied petroleum gases. Do not use Teflon

tape on gas line threads.

Natural Gas
Supply

Gas Piping

Drip Leg

Meter
(not supplied)

Remote Gas Shutoff
(not supplied)

By Installer

Union

Shutoff

(on boiler)

In the Commonwealth of Massachusetts, the gas
cock must be a “T-handle type.”

Note: Install a sediment trap (drip leg) and a
union connection ahead of the primary

manual shutoff valve on the boiler. Gas

piping should be installed in accordance with
National Fuel Gas Code, ANSI Z223.1, latest
edition, and any other local codes which may
apply; in Canada see CAN/CGA-B.149.

Note: See Pipe Capacity for Natural Gas chart
on the following page for required pipe size,
based on overall length of pipe from meter plus
equivalent length of all fittings. Approximate
sizing may be based on 1 cubic foot of natural
gas per 1,000 Btu per hour input, i.e., 500,000
Btu per hour requires about 500 cubic feet per
hour. (See "Typical Boiler Operating Conditions,"
Section 4.3, for more information.)

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Pipe Capacity for Natural Gas

Nominal

Iron Pipe

Size

(Inches)

1/2 0.622 1.55 3.1 120 82 66 57 50 40 35
3/4 0.824 2.06 4.12 250 170 138 118 103 84 72

1 1.049 2.62 5.24 465 320 260 220 195 160 135
1- 1/4 1.380 3.45 6.9 950 660 530 460 400 325 280
1- 1/2 1.610 4.02 8.04 1460 990 810 690 620 500 430

2 2.067 5.17 10.3 2750 1900 1520 1300 1150 950 800
2- 1/2 2.469 6.16 12.3 4350 3000 2400 2050 1850 1500 1280

3 3.068 7.67 15.3 7700 5300 4300 3700 3250 2650 2280

4 4.026 10.1 20.2 15800 10900 8800 7500 6700 5500 4600

Internal

Diameter

(Inches)

Equivalent Pipe Length

90º Ell
(Feet)

Tee

(Feet)

3.7.1 Gas Supply Piping by Installer

Maximum Capacity in Cubic Feet of Natural Gas per Hour

Pressure Drop of 0.5 inch Water Column/Equivalent Length of Pipe

(in feet)

20

40

60

80

100

150

3.8 BOILER WATER PIPING

200

The boiler and all gas piping connections should
be pressure-tested and must be checked for
leaks before being placed into service. Test with
compressed air or inert gas if possible.

The boiler must be disconnected at the boiler
manual shut-off valve (located at the end of the
supplied gas train) from the gas supply piping
system during any pressure testing of the system
at pressures in excess of 1/2 psig (14" W.C.).

During any pressure testing of the gas supply
piping system at pressures equal to or less than
1/2 psig (14" W.C.), the boiler should be isolated
from the gas supply piping system by closing the
manual shut-off.

Some leak test solutions, including soap and
water, may cause corrosion. These solutions
should be rinsed-off with water after testing.

3.8.1 Piping Design

Water Flow in System

For proper water flow requirements see below.
Incorrect flow may result in eventual damage or
premature failure of the equipment.

Model Max Flow

GPM

105 52 12

90 45 12
75 37 12

T-

T­T-

1000

900
750

Min Flow

GPM

DP ft. at

max flow

Contact Triad for minimum flow at other than
maximum firing rate.

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14

12

10

8

DP (ft)

6

4

2

0

0 20 40 60 80 100 120

Flow vs . DP

750 900 1000

Flow (g pm)

Proper flow rates may be achieved through a
combination of primary and secondary flow loops.
Multiple zones and pumps may result in different
flow rates at different times. Consideration must
be given to all possible conditions and their
consequences.

Piping With Refrigeration Machines

When installed in a two-pipe system that provides
both chilled and hot water, the control system
should be configured so as to limit the time rate of
change of temperature at the boiler. Consult your
authorized Triad boiler representative for
application guidance.

Piping With Air Handling Units

3.8.2 Boiler Inlet and Outlet Connections

Make water connections as the application
warrants, or at a minimum as shown, but always
in compliance with the local requirements.

Note: The boiler is furnished with 2” grooved
connections for Victaulic Style 75 Couplings.
These coupling must be used with the EPDM
Victaulic seals. Isolating valves must be
installed in both water connections for ease

of service.

The boiler piping system of a hot water heating
boiler connected to heating coils located in air
handling units, where they may be exposed to
refrigerated air circulation, must be equipped with
flow control valves or other automatic means to
prevent gravity circulation of the boiler water
during the cooling cycle.

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

The bottom connection to the boiler is the INLET
and must be used for the return from the system.

The top connection to the boiler is the OUTLET
and must be connected as the supply to the
system.

* Note: Condensate Trap must be piped to drain
in accordance with all state and local codes.

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3.8.3 Boiler Water Piping by Installer

Strainer

To avoid possible contamination of the boiler with
dirt, rust or sediment from the system, a strainer
near the boiler inlet is strongly recommended.
Even new systems may contain sufficient foreign
material to eventually reduce the performance of
the heat exchanger. Adequate circulation of good
clean water is essential to maximum efficiency
and long life of the boiler.

Relief Valve and Piping

Each boiler is supplied with a pressure-relief
valve sized in accordance with ASME
requirements. The relief valve should be piped to
a suitable floor drain. Reducing couplings or other
restrictions are not permitted in the discharge
line.

Low Water Cut-off

The boiler is furnished with a probe-type low
water cut-off; no field piping is required. If the
water level in the boiler drops below the probe,
the boiler will shut down and a flashing E 12
service code will be displayed on the control
panel. The low water cutoff circuit will
automatically reset when the low water condition
clears; however the boiler controls will retain the
lockout condition until the reset button on the
display is depressed.

IMPORTANT!

The low water cutout probe only prevents boiler
operation when the water level in the boiler is
insufficient. It does not detect low water
conditions in other parts of the system.
Installation of high point vents or additional low
water safety devices to protect the system should
be considered.

Installation of external limit controls may be
required by certain codes or in certain
installations. Review applicable local codes for
details.

Drain Valve and Piping

A drain valve is installed in the inlet (system
return) header connection to the boiler. Prior to
draining the boiler for maintenance or testing,
electrical power and gas supply must be turned
off to the boiler. The boiler must then be isolated
from the system at the supply and return
connections prior to draining water from the
boiler.

Note: This drain valve is installed for draining
of the boiler water only, not the entire
system. Draining of the system through the
boiler will result in depositing sediment from
the system in the boiler which will result in
poor heat transfer characteristics of the

boiler and early boiler failure.

Condensate Drain

The condensate can be slightly acidic (pH
between 3.0 and 5.0). This may be corrosive to
some building drain systems. A condensate
neutralization system may be required.

Disposal of condensate must comply with all
state and local codes.

3.8.4 Flushing and Filling

Water Quality

Because the TRIUMPH Series boiler heat
exchanger is made of an aluminum alloy it
requires special water conditions to retain
efficiency and function properly.

IMPORTANT!

Chemicals added to the system must be
approved by the chemical manufacturer for use
in aluminum boilers.

IMPORTANT!

Under no circumstances should petroleum
based cleaning or sealing compounds be used in
the boiler system.

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The boiler is designed to operate in a closed-loop
system. As such, the system should be tight and
not require make-up water. A high percentage of
untreated make-up water will cause premature
failure due to buildup of scale; such failure is not
covered by warranty.

Scale can also reduce efficiency. A scale
thickness of 1/16" will result in a 12.5% loss of
efficiency.

Water pH

The pH of the hydronic system fluid must be
between 6.0 and 8.5. A periodic check of the
system pH should be conducted to ensure these
pH levels are maintained.

IMPORTANT!

Glycol and other additives must be approved by
the chemical manufacturer for use in aluminum
boilers and must meet the required pH levels
listed above to prevent damaging the boiler.

The water quality should be within the guidelines
established by the American Boiler Manufacturers
Association, as follows:

Total solids:........................... 2,500 ppm

Total hardness:........................ 150 ppm

The amount of oils, fats, grease, and other
organic matter should be limited to 10 ppm.

Consult your water conditioning or chemical
treatment supplier for the best recommendation.

IMPORTANT!

If the piping system attached to this unit will be
chemically cleaned, the boiler must be
disconnected from the system and a bypass
installed so that the chemical cleaning solution
does not circulate through the boiler. Following
chemical cleaning, the system should be
thoroughly rinsed to remove cleaning agents
prior to reconnecting the boiler to the system.

Filling

To be sure that the boiler is not air-bound, open
the pressure-relief valve located at the rear of
the boiler. Leave the relief valve open until a
steady flow of water is observed. Close the valve
and finish filling the system.

3.9 BURNER AND IGNITION SYSTEM

3.9.1 Inspection

Inspect the unit to be sure nothing was damaged
or knocked loose during shipment. Since some
damage may be hidden, remove the top cover
and inspect the boiler.

Inspect the gas train, blower, ignition electrode
and boiler in general to be sure there was no
damage during shipment or installation.

Flushing the System

Before filling the boiler, flush the system to
remove any debris. Clean and flush old piping
thoroughly before installing the boiler.

IMPORTANT!

Never flush the hydronic system while the boiler
is attached to the system since the debris or
corrosion products could accumulate in the boiler
and plug the boiler heat exchanger.

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3.10 PRE-START CHECK LIST

Before attempting to start the boiler, make sure
the following items have been completed.

1. Inspect unit as per Section 3.9.1.

2. Flue gas from the boiler is properly vented;
(refer to Section 3.6)

3. Gas connection has been made, pressure
tested for leakage, and the line purged of air.
Make sure all required vents have been
installed.

4. Water connections are complete, and the
boiler and system have been filled and
purged of air.

5. The boiler is connected to a 120 volt power
source with a disconnect having adequate
overload protection.

6. Combustion air openings are not obstructed
in any way and have adequate capacity.

7. The boiler is placed the proper distance from
any combustible walls, in accordance with
Section 3.3.3.

8. Relief valves have been piped to floor drains.

9. Condensate piping is properly connected.

10. Verify system fluid pH level is within
specification.

3.11 SAFETY CHECKS

The following checks of safety systems must be
made before putting the boiler into normal
operation.

Before firing the boiler refer to Sections 4.1 and

4.2 for information on the use of the controls,

lighting, and shut-down procedures.

WARNING!

Never attempt to operate a boiler that has failed
to pass all the safety checks described below.

WARNING!

After checking controls by manual adjustment,
make sure they are always reset to their proper
settings.

3.11.1 Test of Ignition Safety System

TRIUMPH Models T-750, T-900 & T-1000

Test the ignition system safety shutdown as
follows:

1. Cycle the boiler on by generating a heat
request. (The method for this will depend on
your boiler configuration. See Section

3.12.1.2)

2. Place the boiler in operation at the high fire
setting. See section 3.12.4 Gas Valve Setup
and Adjustment , Test Mode High

3. Smoothly close the downstream manual

isolation valve to reduce the gas flow and
cause flame failure.

4 The display will flash E-02 indicating a flame

failure. The E-02 lockout will remain until
reset on the display.

After completing this test, turn off the boiler and
open the downstream manual isolation valve.

3.11.2 Test of Low Water Cut Off

The boiler is furnished with a probe-type Low
Water Cut Off in the outlet nozzle. Test as
follows:

Check the operation of the switch by first turning
the boiler off and then turning the system pump
off. Isolate the boiler from the system pressure.
Then drain the water level below the low water
cut off probe. Turn the boiler back on. It should
not operate, and a manual reset lockout
displaying E 12 on the display panel will occur.
The red light indicator for Low Water Cut Off will
NOT be illuminated. When the water level is
normal, the red light stays illuminated.

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Return the system to normal operation and restart
the boiler. Refer to Section 4.2.1.

3.11.3 Test of High-Limit Control

Fire the boiler and test the high limit control as
follows:

With the main burner operating, turn down the
temperature setting on the "high-limit" thermostat
until the main burner shuts off. A manual reset
lockout displaying E 12 on the display panel will
occur. The high-limit switch must be manually
reset prior to resetting the boiler at the display
panel. Readjust the high-limit thermostat to the
desired setpoint.

3.11.4 Test of Gas Pressure Switch

Low Gas Pressure Switch

The boiler is furnished with a low gas pressure
switch. The operation of this switch must be
checked by slowly closing the main gas cock
while the burner is operating. The switch should
shut down the main burner. When the gas
pressure switch opens, a manual reset lockout
displaying E 12 on the display panel will occur.
Upon re-opening the main gas cock, the E 12
indicator will remain on until the display panel is
manually reset.

High Gas Pressure Switch

TRIUMPH Series T-750, T-900 and T-1000 units

equipped with a high pressure switch must be
checked by closing the downstream gas cock
with the boiler off. When the boiler is started, it
should enter its normal starting cycle and fail on
high gas pressure when the gas safety valves
open. The high gas pressure switch actuation is
evident when a manual reset lockout displaying E
12 on the display panel occurs. Upon re-opening
the gas cock, the E 12 indicator will remain on
until the display panel is manually reset.

3.12 INITIAL ADJUSTMENTS

3.12.1 Operating Temperature Controller

The TRIUMPH boiler is equipped with a
combination combustion and temperature
control. This control monitors combustion and
lighting of the boiler, as well as maintaining
temperature of the supply water. The
temperature control portion modulates the boiler
to maintain the desired outlet temperature based
on the selected operating configuration.

CAUTION!

The user should become thoroughly familiar with
the operation of the boiler and controls before
attempting to make any adjustments.

3.12.1.1 Operation of the Control

The boiler is operated through the control/display
panel. The display has 3 modes of standard
operating menus. The modes are:

∑ Standby mode will display (Stby)
∑ Parameter mode will display (PArA)
∑ Information mode will display (InFo)

At each level the keys and the display have
different functions. To ascertain which mode you
are in, the displayed information will be shown
as indicated under “display”.

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Mode Description Display Example

Standby

(

Stby)

Parameter

(

PArA

Information

(

InFo

Normal display

Parameter

)

Display boiler

)

mode

settings

sensors

1st digit

without a dot 0 180

1st digit with

a dot

1st digit with a

blinking dot * 1.180*

1.125

Standby Mode:

The display defaults to this mode at startup or
reset of the control. If no key is pressed for 20
minutes the display will return to this mode. The
function of the keys may be two-fold as shown
below.

Key(s) Duration Function

Mode momentary Change to next mode
Reset momentary Reset the control

Show the comfort heat

setpoint, or max setpoint

Plus momentary

Plus long*

Minus momentary

Minus long*

(outdoor reset only)

Turn the comfort heat system

on or off

Show the domestic hot water

setpoint

Turn the domestic hot water

system on or off

*Note: Long duration is greater than 2 seconds.
When in the Standby Mode the control indicates

boiler status with the first digit of the display. The
remaining digits indicate the boiler's actual
temperature or lockout code. The following table
indicates the meaning of the display digits when
in the standby level.

First Digit

0 Burner off - No call for heat
1 Pre purge or post purge
2 Ignition
3 Burner on in Comfort Heat mode
4 Burner on in Domestic Hot Water mode
5 Checking the airflow switch

Burner off - An internal setpoint has been

6

reached. System is still calling for heat.

Boiler Status

First Digit

Burner off - Comfort Heat pump running on

7

8

9 and b

flashing

A Adjusting the 3 way valve if used
H Burner on in manual high fire

L

delay. No system call for heat.
Burner off - Domestic Hot Water pump

running on delay. No system call for heat.
Burner off – auto reset lockout. A code is

displayed indicating the reason for the
lockout. (See Troubleshooting Section

5.5.)

Burner on in manual low fire

Boiler Status

Parameter Mode:

The Parameter Mode is used to change the
boiler settings and is accessed by pressing the
MODE key several times until PArA is shown.

Parameters are selected with the STEP key, and
changed with the plus “+” and minus “-“ keys.
Once the desired value is reached, pressing the
STORE key accepts the new setting.

Parameters 1 through 4 are accessible directly
at the parameter level. Parameters higher than 4
are only accessible by authorized service
personnel trained on the TRIAD TRIUMPH
Series Boiler.

Upper

Parameter Description Lower Limit

DHW setpoint

1
2

3

4

if used 68° 158°
DHW system

ON/OFF

Comfort heat
system
ON/OFF

Setpoint or
max boiler
temp outdoor
air mode

0=OFF
1=ON
2=OFF +pump

continuous
3=ON + pump

continuous
0=OFF
1=ON
2=OFF +pump

continuous
3=ON + pump

continuous

68° 182°

Limit

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Information Mode:

The information mode is used to display the
values of the various sensors such as inlet water
temp, outlet water temp etc. The information
mode is accessed by pressing the MODE key
several times until InFo is displayed. The desired
sensor is selected with the STEP key. The
following table indicates the displayed value:

Step Value

1 Outlet water temp
2 Inlet water temp
3 Domestic Hot Water temp *
4 Outdoor air temp *
5 Flue gas temp
6 Boiler outlet setpoint
7 Rate of change outlet temp °F/second
8 Rate of change inlet temp °F/second

Rate of change Domestic Hot Water

9

A

°F/second
Second Comfort Heat system

temperature

* If the sensors for these functions are not
installed, the display will indicate -22.

3.12.1.2 Operating Configurations

The boiler has several different operating
configurations. These are:

∑ Internal Setpoint
∑ Domestic Priority
∑ Outdoor Air Reset
∑ Analog Input Setpoint
∑ Analog Input Direct Drive

CAUTION!

Do not modify any parameters other than those
specifically mentioned.

Internal Setpoint:

The internal setpoint is set with parameter 4. The
boiler temperature control modulates the boiler
to maintain this internal setpoint. The upper and
lower temperature differentials are used to
instruct the boiler at what temperature to turn on
and at what temperature to turn off.

Item Parameter Value Allowable

Range

Setpoint 4 160 68-185
Low Temp. Differential 22 10 0-36
High Temp. Differential 23 9 0-36
Low Temp. Setpoint 5 68 59-140

The boiler will modulate to try to maintain 160°
F. If the temperature increases above 169° F
which is the setpoint 160° F + High Temp
Differential 9°F the boiler will shut off. Once it
shuts off it will not restart until the temperature
drops below 150° F which is the setpoint – Low
Temp Differential. The Low Temp Set Point will
not permit the operator to adjust the setpoint
below 68° F. (See graph below.)

Internal Setpoint

175
170
165

Boiler Temperature

160
155
150
145

0 10 20 30 40

Boiler Turns On

Boiler Turns Off

Boiler Set Point

Time

Domestic Priority:

If an indirect domestic hot water (DHW) tank is
connected, the DHW function of the boiler will
activate when the DHW temperature controller
(supplied by others) closes (Terminal 5 to 8 TB
1, refer to Section 6.1.1), indicating a call for
heat from the DHW system.

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

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The parameters should be set as follows:

Item Parameter Value

DHW Setpoint 1 140
DHW Setpoint Addition 33 30
DHW Status 2 1
DHW High Temp. Differential 25 6
DHW Low Temp. Differential 24 6
DHW Options 35 13

In the above example, the boiler temperature will
be set to the DHW Setpoint + the DHW Setpoint
Addition (140ºF + 30ºF = 170ºF) when the DHW
temperature controller indicates a call for heat
from the DHW system. When the DHW system
calls for heat, the central heat pump output
(Terminal 10 TB2) de-energizes and the DHW
pump output (Terminal 11 TB2) energizes
providing 120 VAC power is provided to energize
a relay coil for the DHW pump. The DHW status
should be set to 1 (DHW system ON).

CAUTION!

Terminal 10 and 11 on TB2 are for pilot duty
only. they should not be connected directly to the
pump.

Outdoor Air Reset (optional):

OUT D O O R A I R vs B O ILER SE TPO IN T

190
180
170
160
150
140
130
120
110
100

90

BOILER SETPOINT °F

80
70

0 10 20 30 40 50 60 70 80 90

OUT DOO R A IR TE MP ° F

The control automatically detects the presence
of the outdoor air sensor. If an outdoor air sensor
is present, the boiler automatically defaults to
outdoor air reset for setting boiler temp. The
parameters should be set according to the
following table:

Item Parameter Value

°F

Maximum Setpoint 4 180 68-185
Minimum Setpoint 5 80 60-140
Outdoor Air

Minimum Temp.
Outdoor Air

Maximum Temp.
Boiler Shutoff Temp. 10 90

Outdoor Air Offset 12 0 0-144
Boiler Configuration 34 01

6 20 4-50

7 70 59-77

Allowable

Range °F

32-140

(32=off)

The set point of the boiler is controlled by an
outdoor temperature sensor. As the outdoor
temperature falls the setpoint of the boiler is
increased. The boiler modulates to maintain this
setpoint.

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The setpoint is adjusted according to the above
parameters. The boiler setpoint will be the
maximum value (180° F) when the outdoor air is
at or below a minimum temperature value (20° F).
The boiler setpoint will be at the minimum value
(80° F), when outdoor air is at or above a
maximum temperature value (70° F). The setpoint
for “in between“ values of outdoor air
temperature, is linearly proportional to the above
settings. Using the values in the table above, the
boiler setpoint will be 80° F when the outdoor air
temperature is 70° F. As the outdoor air
temperature drops, the boiler setpoint will be
increased until the outdoor air temperature is 20°
F. At this point the boiler will reach its maximum
setpoint of 180° F. If the outdoor air temp drops
further, the boiler setpoint remains at 180° F.

The boiler shutoff temperature can be used to
turn the boiler off at a given setpoint. For example
if you wanted to shut the boiler off when the
outdoor air temperature was above 65° F you
would set the boiler shutoff temp to 90° F since
this is the setpoint that is called for at 65° F
outside air temp.

Analog Input to Adjust Setpoint:

Analog Inpu t S etpoin t

200

150

Bo iler Setpoint

100

Boiler Setpoint

50

0

0 1 2 3 4 5 6 7 8 9 10

V oltage

Non adjustable Curve

Item Parameter

Maximum Setpoint 4 180 68-185
Minimum Setpoint 5 80 60-140
Boiler Configuration 34 03

Value

°F

Allowable

Range °F

The setpoint of the boiler is controlled by an
external 0-10 VDC signal. A signal of at least 0.5
VDC is required to start the boiler. At 0 VDC the
setpoint is 32° F; at 10 VDC the setpoint is 212°
F. This setpoint is low and high limited by
maximum and minimum setpoint parameters.
The controlled setpoint voltage range narrows
when these limits are used. If the above tables
values are used the boiler setpoint will be 80° F
when the voltage is anything less than
approximately 3 VDC. It will then increase
linearly with voltage until approximately 8.5 VDC
when it will be 180° F. The setpoint will remain at
180° F even if voltage is increased further.

Analog Input to Control Firing Rate:

Analog Inp ut F iring Rate

100

90
80
70
60
50
40

Firing Rate

30
20
10

0

0 1 2 3 4 5 6 7 8 9 10

V olta ge

The control must be configured for analog input
direct drive by setting parameter 34 to 02.

The control must be configured for a remote
analog input setpoint according to the following
table:

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

The firing rate of the boiler is controlled by an
external 0 to 10 VDC signal. At a voltage greater
than 0.5 VDC the boiler turns on and runs at low
fire until 1.8 VDC is reached. The firing rate
increases linearly with voltage until high fire is
reached at 10 VDC. The boiler setpoint
Parameter 4 remains active to shut down the

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boiler when the temperature in the boiler exceeds
this value plus the high temp differential. These
voltage levels, as explained above, are all “non­adjustable”.

3.12.2 Gas Pressure Adjustment

Note: Adjustments shall only be performed
by service representative specifically trained
and certified to perform maintenance on the
Triad TRIUMPH Series boiler.

See rating plate for the minimum and maximum
gas pressure of the boiler. Each boiler is
furnished with a manual shut-off valve which has
an integrated test port.

This gas pressure port is located on the upstream
side of the valve body for measuring supply
pressure. (See figure below.)

(See instructions below). Adjust the carbon
dioxide (CO2) or oxygen (O2) reading to achieve
conditions as listed in the following Table 3-1.

3.12.4 Gas Valve Setup and Adjustment

Verify gas pressure at inlet to boiler is in
accordance with Table 3-1 on the following
page. Gas flow is dependent primarily on fan
speed not upstream gas pressure. When set
up for natural gas operation, the boiler is capable
of operating with gas supply pressure as low as

3.5” W C.

Boiler Test Mode:

The test mode should be used when checking
and setting the gas safety shut off / control
valves on the TRIUMPH Series boilers. In this
mode an automatic heat request is simulated as
follows:

Test Mode High:

Test Port

The supply pressure during main burner
operation must be greater than the minimum
indicated on the rating plate (3.5". W.C. for
natural gas, 7" W.C. for propane).

3.12.3 Air Flow Adjustments

The air flow is pre-set at the factory prior to
shipment. In unusual situations the air/gas ratio
may have to be adjusted to obtain proper
combustion readings for specific local conditions.

Combustion measurement instrumentation must
be used to adjust the boiler for local conditions

Simultaneously pressing the “Mode” button and
the “+” button for 3 seconds activates the “Test
Mode High” function to drive the boiler output to
maximum. The display will blink and indicate “H”
in the first digit of the display to indicate the
boiler is being driven to the maximum output
rating. This test mode will automatically
terminate after 15 minutes or can be terminated
from the control/display panel by simultaneously
pressing the “+” and “-“ buttons for three
seconds.

Test Mode Low:

Simultaneously pressing the “Mode” button and
the “-” button for 3 seconds activates the “Test
Mode Low” function to drive the boiler output to
minimum. The display will blink and indicate “L”
in the first digit of the display to indicate the
boiler is being driven to the minimum output
rating. This test mode will automatically
terminate after 15 minutes or can be terminated
from the control/display panel by simultaneously
pressing the “+” and “-“ buttons for three
seconds.

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Table 3-1 Combustion Reading For Setting Gas Safety Shut Off / Control Valves

Nominal High Fire Setting Low Fire Setting

Fuel

Natural Gas

Gas Pressure % O2 % CO2 % O2 % CO2

7" W.C 5.0 + 0.2 9.0 + 0.2 5.2 + 0.2 8.8 + 0.2

s

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Propane

11" W.C 5.0 + 0.2 10.4 + 0.3 5.2 + 0.2 10.3 + 0.3

TRIUMPH T-750, T-900 & T-1000

Required Tools:

TORX® T40 or 5 mm hex wrench
3 mm or 7/64 in hex wrench
Combustion analyzer

The TRIUMPH T-750, T-900 and T-1000 boilers
are equipped with a Honeywell combined gas/air
control and gas safety shut off control valves. The
valve functions in parallel with the variable speed
combustion blower to supply the correct gas air
ratio for optimum performance and efficiency. The
combustion blower speed is controlled
automatically and determines the amount of
negative pressure felt at the gas safety shut off /
control valves. The gas/air regulator adjusts gas
flow to maintain the proper pressure at the outlet
nozzle of the associated valve.

Adjustment:

There must be sufficient load to operate the boiler
at high fire to perform the following adjustments.
Start the boiler and observe proper operating
parameters for the system.

High Fire Setting

Set boiler to the “Test Mode High”, as described
above, to achieve maximum firing rate of the
boiler. Check combustion readings using a
combustion analyzer. If combustion readings are
not in accordance with Table 3-1, adjust as
follows:

Remove the flat, round, blue plastic cap from the
cover. Using a 3mm (7/64”) hex wrench, turn the
adjustment screw counterclockwise to increase or

clockwise to decrease gas flow and achieve the
desired CO2 or O2 level; see Table 3-1 for correct
settings. There will be a slight time delay between
the adjustment and the response of the CO2/O2
measuring instrument. Adjust the settings in small
increments and allow the combustion readings to
stabilize before readjusting. When desired
adjustments are complete, reinstall the blue
plastic cap on the cover.

Low Fire Setting

Set boiler to the “Test Mode Low”, as described
above, to achieve minimum firing rate of the
boiler. Check combustion readings using a
combustion analyzer. If combustion readings are
not in accordance with Table 3-1, adjust as
follows:

∑ Remove the cap on the gas regulator

using a slotted screwdriver. This will
expose the offset adjustment screw.

∑ Using a TORX® T40 or a 5 mm hex

wrench, carefully adjust the low fire gas
setting to achieve the CO2 /O2 level
prescribed in Table 3-1.

∑ The rotation of the Low Fire adjustment

is opposite of the High Fire as follows:
Clockwise rotation increases gas flow,
counterclockwise rotation decreases
gas flow.

∑ Adjustments to the offset pressure

regulators should not exceed ¼ turn at a
time before allowing the readings to
respond and stabilize.

∑ After proper low fire offset adjustment is

made, reinstall the slotted cap on the
regulator.

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Following all gas valve adjustments, check for
proper light-off and verify correct fuel/air mix and
combustion quality throughout the entire firing
range (from lowest to highest fan speed).

High fire adjustment

Low fire adjustment

T-750/T-900/T-1000 Adjusting Low and

High Fire

IInnssttaallllaattiioonn

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Page 27

4.0 OPERATION

4.1 GENERAL

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4.2.1 Lighting Procedures

1. Close main gas valve.

2. Turn On-Off switch to "OFF" position.

IInnssttaallllaattiioonn

4.1.1 Control Panel Front

Control Panel

Become familiar with the basic operation of the
boiler. The front of the control panel shows
Operating Instructions.

4.1.2 Tests

Safe lighting and other performance criteria were
met with the gas manifold and control assembly
provided on this boiler when the boiler underwent
tests specified in ANSI Z21.13/CSA 4.9, latest
edition. (See "Factory Firetest" label.)

4.2 NORMAL LIGHTING AND SHUT-DOWN

If a fault is indicated please refer to
Troubleshooting, Section 5.5, to determine the
cause of the fault prior to start up.

3. Wait 5 minutes.

4. Open main gas valve.

5. Turn On-Off switch to "ON" position.

6. Push reset button on display panel if required.

7. Push reset on low gas pressure switch and
high gas pressure switch.

The controller will now complete the automatic
firing sequence.

4.2.2 Normal Shut Down Procedures

1. Close all manual gas valves.

2. Turn off electric power.

4.2.3 Emergency Shut-Off

Main Gas Cock

Emergency Shut-Off

WARNING!

Do not use this boiler if any part has been under
water. Immediately call a qualified service
technician to inspect the boiler and to replace any
part of the control system and any gas control
which has been under water.

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

The main gas cock should be closed immediately
if an emergency situation occurs.

If overheating occurs or the gas supply
fails to shut off, do not turn off or
disconnect the electrical supply to the
pump. Instead, shut off the gas supply at a

WARNING!

location external to the boiler.

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4.3 TYPICAL BOILER OPERATING CONDITIONS

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Model

Series

T-750 750,000 728* 712,500 300* 712,500 8 amps or less
T-900 900,000 873* 846,000 360** 846,000 8 amps or less

T-1000 1,050,000 1,019* 987,000 420** 987,000 8 amps or less

Input

Rating

(Btu/hr)

Natural Gas

*(1030 Btu/cu. ft.)

Gas

Rate

(CFH)

Output

Capacity

(Btu/hr)

Gas Rate

LP Gas

**(2500 Btu/cu. ft.)

Output

(CFH)

Capacity

(Btu/hr)

Total

Amperage

Note: The heat exchanger is constructed and stamped for 80 psig maximum operating pressure
and/or 200º F maximum temperature.

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5.0 MAINTENANCE

5.1 MAINTENANCE AND INSPECTION SCHEDULE

WARNING!

Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation.

WARNING!

Use care when reassembling main gas line to
assure all connections are tight.

WARNING!

Use care when servicing boiler in order to prevent
the accumulation of gas in or around the
combustion chamber.

WARNING!

General lockout/ tagout procedure must be
employed when servicing this unit.

WARNING!

Determine the cause of the lockout before
resetting the boiler. If able to determine cause of
lockout, then appropriate corrective action should
be taken. If not able to determine cause of the
problem, call a qualified service technician.

Verify proper operation after servicing.

WARNING!

Check daily to be sure that the boiler area is free
and clear of any combustible materials, including
flammable vapors and liquids.

5.1.2 Weekly

Observe the conditions of the main flame. A
normal high fire flame is blue. If the high fire
flame is yellow then corrective action must be
taken. In normal low fire the burner will glow a
yellowish-orange.

Correct air adjustment is essential to the efficient
operation of this boiler. If an adjustment in the
combustion is necessary, the flue gas
composition should be checked with a carbon
dioxide (CO2) or oxygen (O2) analyzer to set
conditions. Refer to Table 3-1, Section 3.12.4 for
proper combustion readings.

5.1.3 Monthly (During Operation)

1. Test flame detection by voltage reading at the
terminal strip (Terminal 9 on TB-1 and ground
screw). The voltage reading should be
between (5 and 10 VDC).

2. Test high-limit Control. Refer to Section

3.11.3.

3. Test operating temperature controls by
reducing or increasing temperature setting as
necessary to check burner operation.

4. Test the low water level cut off. Refer to
Section 3.11.2.

5. Test low gas pressure switch. Refer to
Section 3.11.4.

5.1.1 Daily

Observe operating temperature and general
conditions. Make sure that the flow of combustion
and ventilating air to the boiler is not obstructed.
Determine the cause of any service codes or
lockouts on the display panel. Observe any
unusual noises or operating conditions and make
the necessary corrections. Notify responsible
individuals for required corrective action or repair.

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

6. Check the condensate drain system. Clean
and flush as necessary.

Installation and service must be performed by a
qualified installer or service agency who has been
trained on the Triad TRIUMPH boiler.

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5.1.4 Semi-Annually (every 6 months)

In addition to the recommended monthly service:

1. Clean burner of any accumulated dust or lint.
See Section 5.2 on "Cleaning the Burner."

2. Inspect burner for any signs of deterioration
or corrosion. Replace immediately if
deterioration or corrosion is evident.

Installation and service must be performed by a
qualified installer or service agency who has been
trained on the Triad TRIUMPH boiler.

The blower motor is permanently lubricated and
does not require periodic lubrication.

5.1.5 Annually

In addition to the recommended monthly service:

1. Inspect and clean the inlet screen of any
accumulated dust or lint.

2. Check burner and clean off any soot or
foreign material that may have accumulated.
See Section 5.2 on "Cleaning the Burner."
Check for corrosion of the burner and its
parts. If there is evidence of deterioration or
corrosion, replace immediately.

3. Inspect combustion chamber when the burner
is removed for inspection. Note any signs of
deterioration. Clean as necessary.

4. Inspect and clean heat exchanger. Use
vacuum to remove accumulations from the
heat exchanger pins and surfaces. Clean the
casting pins by flushing with clean water and
air drying. Do not use any cleaning agents or
solvents. A soft nylon brush may be used in
accessible areas.

b. Check pipe for corrosion or deterioration.

If any piping needs replacing, do so
immediately.

7. Qualified service personnel should thoroughly
inspect the heating system and correct any
problems prior to re-starting the boiler.

8. Perform combustion analysis and readjust to
manufacturer's specifications as necessary. It
is recommended that a copy of this report is
filed for future reference.

9. Perform leak test of gas valves in accordance
with the manufacturer's instructions.

10. Change the ingnition electrode and gasket.

Installation and service must be performed by a
qualified installer or service agency who has been
trained by Triad on the TRIUMPH boiler.

5.2 CLEANING THE BURNER

1. Lockout and tagout gas supply to the boiler.

2. Lockout and tagout electrical power to the
boiler.

3. Remove the top cover of the boiler.

4. Disconnect the electrical connections to the
blower and gas safety shut off / control
valves.

5. Unbolt burner hood and remove the gas train
assembly.

6. Carefully remove the burner. Use low
pressure air to remove any dust or lint from
the burner. Using a soft clean cloth, wipe the
inside surface of the burner. DO NOT wipe
the mesh side (flame side) of the burner.

5. Drain and flush the inside of the heat
exchanger as required (separate from system
flush).

6. Examine the venting system at least once a
year. Refer to the vent manufacturer's
instructions for requirements in addition to
those listed below.

a. Check all joints and pipe connections for

tightness.

Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

5.3 AFTER ALL REPAIRS OR MAINTENANCE

1. Follow "Pre-Start Check List" (Section 3.10)
and all "Safety Checks" (Section 3.11).

2. Check gas pressure. (Section 3.12.2.)

3. Perform combustion check. Adjust gas flow if
necessary. (Section 3.12.4.).

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5.4 SEQUENCE OF OPERATION

1. When the On/Off (Main power) switch is
turned on, power is provided through a circuit
breaker to the boiler control and the
combustion blower. The boiler control powers
a 24 V transformer. The boiler control
supplies 24 V power through a high limit
temperature switch and a low water level
control.

2. The low water level control is closed when
there is water in the boiler up to the probe.

3. When the temperature sensed by the high
limit temperature control is below the set limit,
the switch is closed. Manual reset of the
switch is required following conditions
exceeding high limit temperature.

4. If either the high limit temperature control or
the low water level control is open, the boiler
control locks out and indicates E 12 on the
display.

5. Depending on the settings in the boiler
control, a heat request is generated.

6. The controller checks that the low air pressure
switch is open indicating no airflow. The
blower is driven towards the prestart fan
speed. When the air pressure switch closes
the 15 second prepurge time is started, and
the blower is driven toward the ignition speed.

7. After the 15 second prepurge the gas
pressure switch circuit is checked to ensure
the gas pressure is within design parameters.

8. If there are no lockouts then when the blower
speed is within 200 rpm of the ignition fan
speed, a trial for ignition period of 3 seconds
is initiated. The internal spark generator and
the gas safety shut off / control valves are
energized.

9. The internal spark generator is de-energized
.3 seconds before the end of the trial for
ignition period. After the trial for ignition
period, if a flame signal is detected by the
flame rectification system, the control initiates
a flame stabilization period of 5 seconds at

the ignition rpm of the fan. The fan is driven to
low fire for 1 minute before the boiler is
released to modulation.

10. The unit modulates between the low fire
setting and the high fire setting to maintain
the desired outlet water temp set point.

11. When the load is below the low fire rating of
the boiler the boiler will continue firing and the
outlet water temperature will rise until it
reaches the set point + temperature
differential. At this point the burner is turned
off, and the fan continues to run to post purge
the boiler for 15 seconds.

12. When the water temperature is reduced by
the load on the system, a heat request is
again generated. The operating sequence will
recycle to step 6, provided the limits on water
level, gas pressure and high temperature are
all met.

5.5 TROUBLESHOOTING

The TRIUMPH Series boiler will display service
codes to indicate some problems with the boiler.
There are two types of lockouts the control may
experience: manual reset lockouts requiring an
operator to press the reset button, and automatic
reset lockouts, where the control will
automatically attempt to restart the boiler. A
listing of service codes is included at the end of
this section.

Should the unit fail to operate, call a qualified
service technician to troubleshoot the problem
and implement corrective action.

The Loss of Power

In the event of a power failure (or when the
On/Off switch is in the Off position), the display
panel is not illuminated and the entire system is
de-energized, closing all automatic valves and
halting all boiler operations. When power is
restored the sequence of operation will resume at
Step 5, provided that all the limits are satisfied. If
any manual reset lockout was present when the
power is lost, the display will flash E 04 when the

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power is resumed. This indicates that the control
was in lockout mode but does not indicate which
service code was present.

Low Water Level

The low water switch opens when there is
insufficient water level in the boiler. E 12 is shown
on the display, and burner operation is
interrupted. When the correct water level is re­established, pushing the reset button will return
the sequence to Step 5, provided that the other
limits are satisfied. When the water level is back
to normal, the red light on the Low Water Cut Off
will be illuminated.

Low Gas Pressure

The low gas pressure switch opens when there is
(or has been) insufficient gas pressure available
for proper operation of the boiler; E 12 is shown
on the display, and burner operation is
interrupted. If a gas-supply shut-off valve is
closed for any reason, a low gas condition will
result.

When gas pressure is restored, E 12 will remain
on the display panel, and the boiler will remain
locked out until the front panel reset button is
pressed.

Once the control is reset, the sequence returns to
Step 5, provided that the other limits are satisfied.

High Gas Pressure

The high gas pressure switch opens when there
is (or has been) excessive gas pressure for the
proper operation of the boiler. An E 12 service
code is displayed and the burner operation is
interrupted.

When proper gas pressure is restored, E 12
remains on the display with the boiler locked out
until the front display panel reset button is
pressed.

High Water Temperature

When the boiler water has exceeded both the
operating and high-limit temperature the high limit

switch opens, and E 12 is shown on the display.
When the water temperature falls below the high­limit temperature, the boiler will remain locked out
until the switch is manually reset and the front
panel reset button is pressed. Once the switch,
and the front panel are reset, the sequence
returns to Step 5, provided that the other limits
are satisfied.

Low Air

If the display panel indicates E 08 this indicates
insufficient airflow through the burner. Check that
the burner is clean ("Cleaning the Burner,"
Section 5.2) and that there are no obstructions to
airflow in the intake or exhaust ducts. A low air
indication does not necessarily mean that the low
air switch is defective.

Air Switch Closed

If the display panel indicates B 61 this indicates
the air pressure switch did not open when the
blower was shut off. Check that there is no air
flow through the boiler when the fan is off. If there
is no hidden source of air flow, replace the switch.

Flame Failure

In the event of a flame failure during a firing
period or a trial for ignition, the main fuel valves
are de-energized and a manual reset lockout
occurs. After the spark ignition is re-energized,
the 3 second trial-for-ignition begins again. If
flame failure occurs during a trail-for-ignition, a
safety lockout occurs. The display will indicate E

02. If flame failure occurs and an service code is

displayed, the combustion control must be
manually reset.

E 00 signifies a leaky gas valve. In the event of a
false flame signal E 00 fault code is indicated.
This fault code could indicate a gas valve failure
or leakage of the gas valve. If gas valve leakage
is suspected, the unit must be isolated by turning
off the main gas supply line until the gas valve is
replaced.

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5.5.1 Manual Reset Service Codes

Code Lockout Description

E 00 False flame. A flame signal is present when it shouldn’t be.
E 02 Flame failure. The burner did not light on startup, or loss of flame during run.
E 03 Gas Valve error. Check all gas valves electrical connections.
E 04 General lockout.

E 05 Internal control failure. Call for service.
E 06 Internal control failure. Call for service.
E 07 Internal control failure. Call for service.
E 08 Air pressure switch open. The air pressure switch failed to close to indicate sufficient air flow to start the boiler.
E 11 Internal control failure. Call for service.
E 12 External limit open. One of the external limits has opened. (High/Low Gas Pressure, High Temp, Low water).
E 13 Internal control failure. Call for service.
E 14 Internal control failure. Call for service.
E 15 Internal control failure. Call for service.
E 16 Internal control failure. Call for service.
E 17 Internal control failure. Call for service.
E 18 Outlet high limit temp. The outlet water temperature has exceeded the internal high limit temperature setting.
E 19 Return high limit temp. The return water temperature has exceeded the internal high limit temperature setting.
E 25 Outlet temp rapid change. The outlet water temperature is increasing too fast. Indicating low flow condition.
E 28 No blower feedback. The blower should be running but it is not, or the feedback signal has been interrupted.
E 29 Blower feedback will not zero. The blower will not go to zero speed even though it should be off.
E 31 Outlet sensor shorted. The outlet temperature sensor is short circuited.
E 32 Return sensor shorted. The return temperature sensor is short circuited.
E 33 DHW sensor shorted. The DHW temperature sensor is short circuited.
E 35 Flue sensor shorted. The flue gas temperature sensor is short circuited.
E 36 Outlet sensor open. The outlet temperature sensor is indicating an open circuit.
E 37 Return sensor open. The return temperature sensor is indicating an open circuit.
E 38 DHW sensor open. The DHW sensor is indicating an open circuit.
E 40 Flue sensor open. The flue gas temperature sensor is indicating an open circuit.
E 44 Internal control failure. Call for service.
E 52 High flue temp. The flue temperature has exceeded the maximum allowable setting.
E 60 Internal control failure. Call for service.

Note: When an Internal Control Failure occurs, as identified by E-Codes listed above, the failure is
internal to the MCBA and replacement of the MCBA is required. A Triad qualified service technician
must be called to replace the MCBA device.

The power was lost after a lockout. The control loses the description of the lockout on
power loss.

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5.5.2 Auto-Reset Service Codes

Code Lockout Description

b 08 Air pressure switch open. The air pressure switch failed to close to indicate sufficient air flow to start the boiler.
b 18 Outlet high limit temp. The outlet water temperature has exceeded the internal high limit temperature setting.
b 19 Return high limit temp. The return water temperature has exceeded the internal high limit temperature setting.
b 24 Switched inlet / outlet.

b 25 Outlet temp rapid change. The outlet water temperature is increasing too fast. Indicating low flow condition.
b 26 High exhaust back pressure.

b 30 Max delta T.

b 40 Flue sensor open.

b 52 High flue temp. The flue temperature has exceeded the maximum allowable setting.
b 61 Air pressure switch closed. The air pressure switch failed to open prior to starting the blower.
b 65 Fan speed incorrect. The fan is being directed to a higher speed than it is achieving.

The inlet water temperature has been more than 18° F above the outlet for more than
75 seconds.

The high exhaust back pressure switch is tripped indicating a blocked stack, inlet, or
condensate system. Or the external enable/disable signal is improperly wired to
terminals 3 & 4 (Interlock #2 open).

The temperature rise across the heat exchanger is greater than maximum allowed,
indicating insufficient flow.

The flue gas temperature sensor is indicating an open circuit. Check the wiring &
connections going to the stack sensors.

WARNING

reset without determining and correcting the cause.

If any “Manual Reset” limit device trips,

DO NOT

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PPaarrttss && TTeecchhnniiccaall SSuuppppoorrtt

6.0 PARTS/TECHNICAL SUPPORT

Spare parts and replacement parts can be
ordered from Triad Boiler Systems at

630.562.2700. Refer to the parts list shown on
the assembly drawing provided with this manual.
Technical information is also available at the
above number. When ordering replacement parts
please have the model number and serial
number of your boiler available.

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6.1 WIRING DIAGRAMS

6.1.1 Terminal Block Assignments – High Voltage Circuit (TB2)

Terminal Number Label Description

1 115 VAC LINE
2 115 VAC NEUTRAL
3 115 VAC NEUTRAL Aux. Switched Output
4 115 VAC NEUTRAL Boiler Circ. Pump
5 115 VAC NEUTRAL DHW Circ. Pump
6 GROUND Boiler Supply Ground

Boiler Supply Power, 115 VAC, 60 HZ, 1 ph, 8 amp

PPaarrttss && TTeecchhnniiccaall SSuuppppoorrtt

7 GROUND
8 GROUND
9 115 VAC SW. OUTPUT Aux. Switched Output, Pilot duty only, 1 amp max.

10

11

12 MASTER ALARM RELAY
13 MASTER ALARM RELAY
14 THREE WAY VALVE RELAY
15 THREE WAY VALVE RELAY
16 DAMPER RELAY
17 DAMPER RELAY

115 VAC CIRC. PMP
CONTACTOR

115 VAC DHW PMP
CONTACTOR

Aux .Ground

Boiler Circ. Pump, Pilot duty only, 1 amp max.

DHW Circ. Pump, Pilot Duty only, 1 amp max.

Dry Contacts, 24 VAC max, 1 amp max.

DHW Dry Contacts, 24 VAC max, 1 amp max.

Combustion Air Damper, Dry Contacts, 24 VAC max, 1 amp
max.

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6.1.1a Terminal Block Assignments – Low Voltage Circuit (TB1)

Terminal Number Label Description

1 HEAT REQUEST
2 HEAT REQUEST

Boiler Enable, Contact Closure.

DO NOT ENERGIZE.

PPaarrttss && TTeecchhnniiccaall SSuuppppoorrtt

3 INTERLOCK JUMPER
4 INTERLOCK JUMPER
5 DHW TEMP. SENSOR
6 OUTDOOR TEMP SENSOR Thermistor - factory option.
7 CIRC. PMP PWM SIGNAL Pulse Width Modulation.
8 COMMON Common to be used with 5, 6, 7, and 10 when used.
9 COMMON Common to be used with 5, 6, 7, and 10 when used.

10 O-10 V ANAL. INPUT CONTROL Remote control of firing rate or setpoint.

11 +10 VOLT Regulated 10V output.
12 COM 1 RS-485 port A.
13 COM 2 RS-485 port B.
14 OUTSIDE TEMP W/ FILTER Thermistor - factory option.
15 OUTSIDE TEMP W/ FILTER Thermistor - factory option.
16 SPARE
17 SPARE

External Limit (auto reset), Contact Closure.

DO NOT ENERGIZE.

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6.1.2 Wiring Series TRIUMPH-T-750/T-900/T-1000

PPaarrttss && TTeecchhnniiccaall SSuuppppoorrtt

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6.2 BOILER PARTS LIST

6.2.1 Main Assembly

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Triad Boiler Systems, Inc – TRIUMPH Series Hot Water Boiler

TRIUMPH Series T-750/T-900/T-1000

Mark Description

1 Heat Exchanger
2 Boiler Gas Train
3 Control Pad Location
4 Control Panel

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6.2.2 Control Panel

Mark Description

1 AM-3 Relay Module
2

Boiler Control TRIUMPH Series -

MCBA
3 Transformer
4 Low Water Cutoff
5 Control Mounting Plate

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6.2.3 Triad TRIUMPH Display Panel

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6.2.5 Triad TRIUMPH T-750/T-900/T-1000 Heat Exchanger

PPaarrttss && TTeecchhnniiccaall SSuuppppoorrtt

MARK DESCRIPTION
1 Gasket Blower to Burner Hood

2 Burner Hood
3 Burner Hood Gasket
4 Burner
5 View Glass Assembly
6 Heat Exchanger Sectional Castings
7 Exhaust Pipe Lip Ring
8 Condense Collector / Exhaust Manifold
9 Inspection Cover & Gasket
10 Manifold Gaskets
11 Boiler Outlet / Supply Manifold
12 Boiler Inlet / Return Manifold
13 Condensate Trap
14 Manifold Mounting Plate

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6.2.8 Triad TRIUMPH T-750/T-900/T-1000 Boiler Gas Train

PPaarrttss && TTeecchhnniiccaall SSuuppppoorrtt

Mark Description

1 Main Gas Shut-off Valve
2 Low Gas Pressure Switch
3 High Gas Pressure Switch
4 Gas Safety Shut-off/Control Valve
5 Gas Manifold Shut-off Valve
6 Flex Hose with Gas Valve Adaptor
7 Venturi
8 Premix Combustion Blower
9 Burner Hood

10 Burner

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7.0 LIMITED WARRANTY

Subject to the terms and conditions herein and
except as provided below with respect to
products or parts not manufactured by Triad,
Seller warrants to the original owner at the
original installation site that products
manufactured by Seller ("Products") will be free
from defects in materials and workmanship for a
period of five (5) years from date of shipment (the
"Warranty Period"). For products or parts not
manufactured by Triad, the warranty obligations
shall, in all respects, be limited to one (1) year.

REMEDY

The sole remedy of this warranty is expressly
limited to the repair or replacement of any part
found to be defective under conditions of normal
use within the Warranty Period. Installation is not
included.

WARRANTY
The owner must notify the original installer of the

Product and Seller (Attention: Triad Boiler
Systems 1099 Atlantic Drive Unit 2, West
Chicago, IL 60185), in writing, within the Warranty
Period, providing a detailed description of all
claimed defects. Transportation to the factory or
other designated facility for repairs of any
products or items alleged defective shall, in all
events, be the responsibility and at the cost of the
owner.

EXCLUSIONS
Seller shall have no liability for and this warranty

does not cover:
A. Incidental, special or consequential damages,

such as loss of the use of products, facilities
or production, inconvenience, loss of time or
labor expense involved in repairing or
replacing the alleged defective Product.

B. The performance of any Product under

conditions varying materially from those under

which such Product is usually tested under
industry standards at of the time of shipment.

C. Any damage to the Product due to abrasion,

erosion, corrosion, deterioration, abnormal
temperatures or the influence of foreign
matter or energy.

D. The design or operation of owner's plant or

equipment or of any facility or system of which
any Product may be made a part.

E. The suitability of any Product for any

particular application.

F. Any failure resulting from misuse, modification

not authorized by Seller in writing, improper
installation or lack of or improper
maintenance.

G. Equipment furnished by the owner, either

mounted or unmounted, or when contracted
for by the owner to be installed or handled.

H. Leakage or other malfunction caused by:

1. Defective installations in general and
specifically, any installation which is
made:

a. in violation of applicable state or local

plumbing housing or building codes,

b. contrary to the written instructions

furnished with the unit

2. Adverse local conditions in general and,
specifically, sediment or lime precipitation
in the tubes and/or headers or corrosive
elements in the atmosphere.

3. Misuse in general and, specifically,
operation and maintenance contrary to the
written instructions furnished with the unit,
disconnection, alteration or addition of
components or apparatus, not approved
by Seller, operation with fuels or settings
other than those set forth on the rating
plate or accidental or exterior damage.

I. Production of noise, odors, discoloration or

rusty water.

J. Damage to surrounding area or property

caused by leakage or malfunction.

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K. Costs associated with the replacement and/or

repair of the unit including: any freight,
shipping or delivery charges, any removal,
installation or reinstallation charges, any
material and/or permits required for
installation, reinstallation or repair, charges to
return the boiler and or components. Seller's
liability under this warranty shall not in any
case exceed the amount paid for the Product
found to be defective.

THIRD PARTY WARRANTIES
For goods or components not manufactured by

Seller, the warranty obligations of Seller shall, in
all respects, conform and be limited to one (1)
year from the date of shipment.

LLiimmiitteedd WWaarrrraannttyy

SEVERABILITY

To the extent that any provision of this warranty
would be void or prohibited under applicable law,
such provisions shall be limited in effect to the
minimum extent necessary to render the
remaining provisions hereof enforceable.

NO OTHER WARRANTIES
Seller makes no implied warranty of

merchantability or fitness for a particular purpose
or other warranties with respect to any products
or services except as expressly set forth in this
limited warranty.

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8.0 APPENDIX

Date Hi/Low-

Fire

O2 CO CO2 Stack Temp Action By

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Parameter Settings for MCBA Controls
No. Description Lower Limit Upper Limit

AAppppeennddiixx

End User Settings

1 Setvalue for DHW
2 DHW system

3 CH system

4 Setpoint or Maximum Setpoint (OAR)

Service Settings

5 Minimum Setpoint, Outdoor Air Reset (OAR)
6 Minimum outdoor temp (OAR)
7 Maximum outdoor temp (OAR)
8 Frost protection, at OA Temp
9 Correction, Outdoor Air Sensor

10 CH shutdown setpoint temp (OAR)

11 Booster time

12 Outdoor Air Offset
13 Maximum fanspeed CH (hundreds)
14 Maximum fanspeed CH (units)
15 Maximum fanspeed DHW (hundreds)
16 Maximum fanspeed DHW (units)
17 Minimum fanspeed (hundreds)
18 Minimum fanspeed (units)
19 Ignition fanspeed (hundreds)
20 Postpumptime CH

21 Postpumptime DHW
22 CH modulation hysteresis On
23 CH modulation hysteresis Off
24 DHW modulation hysteresis On
25 DHW modulation hysteresis Off
26 DHW detection hysteresis On
27 DHW detection hysteresis Off
28 Restart delay CH x 10.2 seconds
29 Restart delay DHW x 10.2 seconds
30 Restart delay DHW to CH

31 Difference T1-T2 for modulating back
32 RMCI address
33 Setvalue addition for DHW, Parameter 1

T-750

Factory

Setting

for MCBA

NG LPG NG LPG NG LPG
Water Storage Tank: 68 F Water Storage Tank: 158 F 140 140 140 140 140 140
0 = off 0 0 0 0 0 0
1 = on
2 = off+ pump continuous
3 = on+ pump continuous
0 = off 1 1 1 1 1 1
1 = on
2 = off+ pump continuous
3 = on+ pump continuous
68 F 182 180 180 180 180 180 180

60 F 140 F 80 80 80 80 80 80

-4 F 50 F 20 20 20 20 20 20
59 F 77 F 70 70 70 70 70 70

-22 F 50 F 32 32 32 32 32 32

-9 F 9 F 0 0 0 0 0 0
32 = off
34 F 140 F 32 32 32 32 32 32
0 = no booster 0 0 0 0 0 0
1 minute 30 minutes
0 F 144 F 0 0 0 0 0 0
10 70 49 48 56 54 60 58
00 99 00 50 00 00 00 00
10 70 49 48 56 54 60 58
00 99 00 50 00 00 00 00
5 70 11 13 13 13 13 13
00 99 50 00 00 00 00 00
5 70 22 22 22 22 22 22
0 = 10 Seconds 1 1 1 1 1 1
1 Minute 99 Minutes
0 Seconds 30 x 10.2 seconds 3 3 3 3 3 3
0 F 36 F 10 10 10 10 10 10
0 F 18 F 10 10 10 10 10 10

-9 F 54 F 10 10 10 10 10 10

-9 F 54 F 10 10 10 10 10 10

-9 F 54 F 5 5 5 5 5 5

-36 F 54 F 5 5 5 5 5 5
0 seconds 30 x 10.2 seconds 3 3 3 3 3 3
0 seconds 30 x 10.2 seconds 3 3 3 3 3 3
0 = switch with burner On 3 3 3 3 3 3
1 x 10.2 seconds 30 x 10.2 seconds
9 F 72 F 46 46 46 46 46 46

-1 = RMCI Off -1 -1 -1 -1 -1 -1
0 F (194- par 1) F or 54 F 30 30 30 30 30 30

T-900

Factory

Setting

for MCBA

T-1050

Factory

Setting

for MCBA

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AAppppeennddiixx

34 CH Heat Request Type

(1st digit) 2nd CH-circuit 0X = 2nd CH-circuit off

(2nd digit) CH Heat Request Type X0 = Room Thermostat X X X X X X

35 DHW

Type (2nd digit) X0 = Instant water heater with NTC3

DHW: 3 Way Valve or Pump (1st digit) 0X = 3 way valve normally open

36 Manual fanspeed -1 = off
37 PWM-level CH-pump:
38 Hold boiler water DHW only

39 Max Setpoint, 2nd CH-circuit
40 Min Setpoint, 2nd CH-circuit
41 Hysteresis 2nd CH-circuit
42 Low/off Cycle

Special pump CH / DHW 0X = CH: normal pump function

1X = 2nd CH-circuit slave
2X = 2nd CH-circuit master
3X = 2nd CH slave, Tset depends on potmeter
4X = 2nd CH master, Tset depends on potmeter
5X = 2nd CH- circuit slave,during DHW
6X = 2nd CH- circuit master, during DHW
7X = 2nd CH slave, during DHW,Tset depends on potmeter
8X = 2nd CH master, during DHW,Tset depends on potmeter

X1 = Outside Temperature
X2 = 0 - 10 V on MCBA: Capacity
X3 = 0 - 10 V on MCBA: Temperature
X4 = 0 - 10 V on AM4: Capacity
X5 = 0 - 10 V on AM4: Temperature
X6 = +/- Control

X1 = Instant water heater without NTC3
X2 = Storage tank with NTC3
X3 = Storage tank without NTC3
X4 = Instant water heater+NTC3+anticondensation
X5 = Instant water heater +anticondensation
X6 = Storage tank+NTC3+anticondensation
X7 = Storage tank+anticondensation
X8 = Plate heat exchanger
X9 = External heat request (by RMCI )

1X = Hot water pump
2X = 3 way valve normally closed

32 = off
34 F 176 F 32 32 32 32 32 32
50 F 176 F 100 100 100 100 100 100
50 F 140 F 50 50 50 50 50 50
34 F 86 F 14 14 14 14 14 14

X0 = Off X X X X X X
X1 = On

DHW: normal pump function
1X = CH: pump off

DHW:normal pump function
2X = CH: normal pump function
DHW: 5 second pump delay
3X = CH: pump off
DHW: 5 second pump delay

00 00 00 00 00 00

X X X X X X

13 13 13 13 13 13

X X X X X X

X X X X X X

-1 -1 -1 -1 -1 -1

41 41 41 41 41 41

00 00 00 00 00 00

X X X X X X

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