NTI Trinity Ti 150, Trinity Ti 200 Installation And Operation Instruction Manual

y

Trinity Ti

Trinity Ti Boiler Onl

VERSION DATE: 12-01-05

Installation and

Operation Instructions

1.0 SPECIFICATIONS................................................................................................. 2

1.1 HIGH ALTITUDE OPERATION................................................................................. 2

2.0 INSTALLATION REQUIREMENTS .................................................................. 3

2.10 LOCATION ....................................................................................................... 3

3.0 VENTING................................................................................................................ 4

3.1 VENT PIPE MATERIAL .................................................................................... 4

3.2 VENTING CLEARANCES................................................................................. 4

3.3 VENTING CONFIGURATIONS ........................................................................ 5

3.4 DETERMINING VENT LENGTHS ...................................................................8

4.0 CONDENSATE DRAIN......................................................................................... 9

5.0 INSTALLING GAS PIPING ...............................................................................10

5.1 INSTALLATION .................................................................................................... 10

5.2 TESTING AND SETTINGS ...................................................................................... 10

6.0 HEATING SYSTEM PIPING .............................................................................11

6.1 PRIMARY LOOP PLUMBING ........................................................................ 12

6.2 SECONDARY LOOP HEATING SYSTEM..................................................... 15

6.2.1 Multiple Zones using Zone Valves.............................................................. 15

6.2.2 Multiple Zones using Pumps ......................................................................15

6.2.3 Multiple Zones with different temperatures................................................ 16

6.3 DOMESTIC COMBI SYSTEM ((( OPTIONAL)))........................................... 17

7.0 WIRING ................................................................................................................19

7.1 SIMPLIFIED WIRING CONNECTIONS..................................................................... 20

7.2 ADVANCED WIRING SYSTEMS ............................................................................ 21

7.2.1 Multiple 4 wire Zone Valves....................................................................... 21

7.2.2 Multiple Zones with Taco Valve controller ................................................ 22

7.2.3 Multiple Zones Pump controller................................................................. 23

7.2.4 Multiple Temperature Zones with Injection Pumps.................................... 24

8.0 SENTRY 2100T CONTROLLER .......................................................................25

9.0 LIGHTING BOILER ........................................................................................... 28

9.1 INITIAL START-UP......................................................................................... 28

9.2 RE-LIGHTING UNIT........................................................................................ 28

9.3 TURN OFF BOILER ......................................................................................... 28

10.0 TROUBLE SHOOTING .................................................................................... 29

11.0 SEQUENCE OF OPERATION......................................................................... 32

13.0 ANNUAL MAINTENANCE AND INSPECTION........................................... 34

13.1 COMBUSTION CHAMBER CLEANING ................................................................. 34

14.0 PARTS LIST ....................................................................................................... 35

15.0 WARRANTY ...................................................................................................... 36

CAUTION:

1. IT IS THE RESPONSIBILITY OF THE
HOMEOWNER TO KEEP THE VENT

1.0 SPECIFICATIONS

TERMINAL CLEAR OF SNOW AND ICE.

2. CERTIFIED CARBON MONIXIDE

DETECTORS MUST BE INSTALLED (SEE

Weight

105 Equivalent Feet ((Natural Gas Only))
50 Equivalent Feet ((Propane))

SECTION 2.0).

Description Ti 150 Ti 200

Input (BTUx1000)

Input Capacity - Max. / Min.

Output (BTUx1000)

Output Capacity - Max./ Min.

Steady State Efficiency 95% 94%

AFUE Efficiency 92.7% 92.7%

Venting material Solid Core ABS, CPVC, PVC

Max. Vent lengths 3”
Max. Vent lengths 3”

Dimensions L-W-D (Inches)

Clearance to Combustibles

Warning

THIS BOILER MUST HAVE WATER
FLOWING THROUGH IT WHENEVER
THE BURNER IS ON. FAILURE TO DO
THIS WILL DAMAGE THE UNIT AND
VOID THE WARRANTY.

Natural =150 / 25

Propane= 145 / 25

Natural =138 / 23.2

Propane = 133 / 23.2

90 lbs. 105 lbs.

22.5 – 15.25 – 14 22.5 – 15.25 – 17.25

0”

Natural = 200 / 25

Propane= 194 / 25

Natural = 182 / 22.7

Propane = 176 / 22.7

sch. 40

, AL294C stainless

1.1 High Altitude Operation

The Trinity boiler is designed to
operate to capacity in installations
with 2000 feet of elevation or less. As
elevations higher than 2000 feet have
less dense air, the unit is not capable
of providing its specified capacity.

(See following Chart).

200
180
160
140
120

Input (Mbh)

100

0-2000 3000 4000 5000 6000 7000 8000 9000 10000

150 200

Elevation (ft)

In Canada:

De-rate by 5% for altitudes between 2000 and 4500 feet. For altitudes above 4500 feet consult with
local authorities.

In USA:
De-rate by 4% for every 1000 feet over 2000 feet.

CAUTION At elevations greater than 2000 feet, the combustion of the Trinity must be checked with a

calibrated combustion tester to ensure safe and reliable operation. Consult Section 5.20 for instructions

on adjusting the input to provide proper operation. It is the Installers responsibility to check

the combustion, and to adjust the combustion in accordance to Section 5.20

2

Clearances

2.0 INSTALLATION REQUIREMENTS

The installation of your NY Thermal Trinity gas boiler must conform to the requirements of your local
authority, and the National Fuel Gas Code ANSI Z223.1 and or CAN/CGA B149 Installation Codes.
Where required by the Authority, the installation must conform to the standard for “Controls and Safety
Devices for Automatically Fired Boilers ANSI/ASME CSD-1.

Important: Carbon Monoxide Detectors

A carbon monoxide detector must also be installed in the room that houses the boiler. Carbon
monoxide detectors shall comply with NFPA 720 (2005 Edition).

“In the state of Massachusetts only”

If there is not one already present, on each floor level where there are bedroom(s), a carbon monoxide detector
and alarm shall be placed in the living area outside the bedroom(s).
If the bottom of the vent and air intake terminal is installed below four feet above grade, the carbon monoxide
detector located in the boiler room shall:

a. Be powered by the same electrical circuit as the boiler such that only one service switch services both the

appliance and the carbon monoxide detector;
b. Have battery back-up power;
c. Meet ANSI/UL 2034 Standards and comply with NFPA 720 (2005 Edition); and

d. Have been approved and listed by a Nationally Recognized Testing Laboratory as recognized under 527

CMR.

ATTENTION: LIQUEFIED PETROLEUM (LP) PROPANE

The Trinity boiler is set to operate with Natural Gas, an LP Conversion Kit Part No. 82066-1 for Ti150 and 82650-1 for
Ti200 is included with each boiler and must be installed before operating with Propane.
Liquefied Petroleum (LP) propane gas is heavier than air; it is imperative that your boiler is not installed in a pit or
similar location that will permit heavier than air gas to collect. Local Codes may require appliances fueled with LP gas
be provided with an approved means, of removing unburned gases from the room. Check your local codes for this
requirement.

2.10 LOCATION

In all cases, the Trinity boiler must be installed indoors, in a dry location, such that the gas components
are protected from dripping or spraying water or rain, during operation and servicing. The boiler location
ambient temperature is maintained to a minimum of 50°F.
Determine the best location of the vent termination, and if possible locate the boiler as close to the
termination point as possible.

For proper and safe installation adhere to the following clearances to combustibles:

Boiler Casing=0" Floor=Combustible Flue Pipe: Boxed in or enclosed=2” In free air=0”

The following are the minimum clearances for servicing, however 24” is recommended:

Front = 24” Back = 0" Top = 12" Sides = 12" Bottom = 12"

Ensure that the desired boiler location is not subjected to flooding or high moisture levels, for damage to
the boiler will occur, voiding your NY THERMAL warranty.

3

3.0 VENTING

The NY Thermal Trinity condensing gas boiler
is a high efficiency boiler utilizing induced
power venting, which is designed to be vented
directly outdoors, using the venting method
detailed in this section. Under no conditions,
may this unit vent gases into a masonry
chimney, unless it is vacant, and utilizes the
Trinity approved venting material (Solid core ABS or PVC
steel pipe) as illustrated in the figures on page 5.

3.1 VENT PIPE MATERIAL
Selection of the vent pipe material must be based upon the Local codes and regulations. The

Trinity boiler is certified to operate under all conditions using solid core ABS or PVC
CPVC. Local codes may prohibit the use of plastics, and stainless steel venting must be used
(AL29-4C).

3.2 VENTING CLEARANCES

1. It is highly recommended that the vent terminal be located where it will not be exposed to normal
prevailing winds.

2. The exhaust must be a minimum of 18” above the air inlet, and the air inlet must always be a
minimum of 12” plus snow allowance above any surface that will support snow. (Two feet plus snow
allowance is highly recommended). Consult your weather office, for the maximum typical snowfall for
your region. Example: New Brunswick Canada the maximum typical snowfall is 19”, Thus in figures of Section 3.3, the

inlet must be (12”+19”) = 31” off the ground, the exhaust must be (31”+18”) = 49”.

3. The horizontal distance between the inlet and exhaust must be a minimum of 4” center to center. If
the horizontal distance between the inlet and exhaust is more then 12”, increase the vertical
separation by the same amount. Example: If horizontal separation is 24”, a minimum vertical
separation of 30” is required (24”-12”=12”), so increase minimum vertical separation by 12”),
(18”+12”=30”). If horizontal distance is greater then 6’, no additional vertical spacing is required.
Vertical separation is never required to be greater then 36”.

4. Under normal operating conditions this appliance will produce a plume of white gases, and should be
taken into consideration when selecting an adequate location. A 3’ diameter stainless, plastic, or
vinyl shield can be used to flash the exterior of the residence.

The vent terminal shall not terminate:

• Directly above a paved sidewalk or a paved
driveway that is located between two
buildings, and that serves both buildings;

• Less than 7 feet above grade where located
adjacent to a paved driveway or public walkway.

• Within 3' (three feet) horizontally of a window or door that can be opened, or non-mechanical air
supply inlet to any building.

• Within 6’ of a mechanical air supply inlet to any building, or roof eve containing soffit openings.

• Above a meter/regulator assembly within 3' horizontally of the vertical centerline of the regulator.

• Within 6' of any gas service regulator vent outlet.

• Less than 30” plus snow allowance above grade, or any surface that will support snow, ice, or debris.

The exhaust must be a minimum of 18” above the air inlet, and the air inlet must always be a
minimum of 12” plus snow allowance above any surface that will support snow. (Two feet
plus snow allowance is highly recommended). Consult your weather office, for the maximum
typical snowfall for your region.

Caution

The vent connection and piping MUST
be perfectly aligned to the boiler
connection, AND MUST NOT APPLY
ANY WEIGHT OR LATERAL FORCE
TO THE FLUE BOX. NTI does not
warranty damages to the flue box.

sch. 40

pipe, CPVC pipe, or AL29-4C Stainless

sch.40

, or

These are code restrictions for the location
of the Flue gas vent terminal. Compliance
doesn’t insure a satisfactory installation;
good common sense must also be applied.

4

• Underneath a wooden verandah, porch, or deck.

36

• Underneath cement verandah, porch, or deck, unless both ends are open and the exhaust pipe is
installed at least 24” under the deck floor.

• So situated that the flue gases are directed towards brickwork, siding, or other construction, in such a
manner that may cause damage from heat or condensate from the flue gases

• Less than 3’ from an inside corner of an L-shaped structure (including walls and fences).

• Install the warning plate “Gas vent Directly below” 4 feet above the location of the air inlet pipe, so it

is visible from at least eight (8) feet away.

Apply plastic venting label (included in the manual envelope) above all fresh air inlets
(see figure)

3.3 VENTING CONFIGURATIONS

Selection of acceptable venting materials.

Vent Piping A&C:

• 3” ABS solid core.

• 3” PVC Sch.40.

• 3” CPVC Sch.40 pipe.

• 3” AL29-4C Rigid Stainless Vent.

Air Supply Vent B:

• 3” ABS.

• 3” PVC Sch.40 pipe.

• 3” Galvanized Steel pipe

See Chart for maximum lengths

Apply plate here

Gas Vent Directly Below

Keep free of Obstructions

See Chart for maximum lengths

”

Note: horizontal

18”
Min.

spacing must be
between 4-12”
(center to center)
or greater than 36”

Two-Pipe Vent Terminals

Coupling and
elbow to be
against wall

– ½” play is
acceptable

The vertical portion of
the exhaust termination
does not require
insulation, if less than 5
feet in total length

18” Min

12” Plus
Snow allowance

Example 12+19=31”

Field supplied piping and fittings are required to
complete installation. The combustion air and
vent pipe and fittings must conform to ANSI and
ASTM standard D1785 (Schedule 40 PVC),
D2665 (PVC-DWV), and D2661 (ABS-DWV).
Pipe cement and primer must conform to ASTM
standard D2564 (PVC) or D2235 (ABS).

12” plus snow
Allowance

Warning

5

y

y

Concentric vent terminal

Use NTI part # 82666 or
York Part# 1CT0303

Apply plate here

Gas Vent Directly Below

Keep Free of Obstructions

48” min.

Minimum 12”
plus snow
allowance

It is permissible to run vent pipe through an existing chimney as long as:

1) The chimney is not to be used by any other appliance.

2) Flue gases don’t enter the vacant chimney.

3) Only Solid Core ABS, PVC

4) Vent lengths are within the maximums specified.

36”
min.

4” or greater
than 24”

Use of existing Chimne

sch.40

, CPVC, or AL294C pipe is used.

Clearances and requirements of this manual
supersede, those of the Instructions enclosed in
vent terminal #650.75-N2, which contain more
detailed assembl

Must insert
plastic bird
screen

Support
(Field installed)

Exhaust

Inlet air

Note: inlet pipe must
always be connected to
the boiler.

instructions.

Inlet air

Exhaust

Must be 1”
from wall

Exhaust

Roof Venting

18”

Roof weather seal
Flashing (field supplied)

Inlet Air

12” Plus
Snow

Support
(Field supplied)

Exhaust

6

24”

Inlet Air

Notes

1.) If the horizontal distance between the inlet and exhaust is more then 12”, increase minimum

vertical separation by the same amount. (If horizontal distance is greater then 6’, no additional
vertical spacing is required). Example, horizontal separation equal to 24” requires a minimum
vertical separation of 18”+(24”-12”) =30”. (Vertical separation is never required to be greater
then 36”)

2.) Elbows on outside of wall must be no greater than ½” away from the wall.

3.) All indoor exhaust piping must be on a slope back to the boiler ¼” per linear foot of vent. (See

figure after #11. Recommended way to have plumb pipe connection to boiler.)

4.) Exhaust and Inlet venting must have screens installed at the termination (See figure page 7).

5.) Exhaust vent pipe can be secured to the wall for more rigidity.

6.) In all roof applications the discharge must point away

from the pitch of the roof.

7.) Install adequate flashing where the pipe enters the

roof, to prevent water leakage.

8.) Install and seal a rain cap over existing chimney

openings, in vacant chimney applications.

9.) For installations that exit the wall below grade.

Excavate site as shown in figure, to a point below
where the pipes are to exit. Ensure that the wall is
fully sealed where the pipes penetrate the wall. The
vent piping MUST be secured to the side of the
building above grade, as shown, to provide rigidity.
NTI Provides a mounting bracket PN. 82075 for
securing the exhaust pipes. Ensure that the vent clearances are maintained (Inlet minimum 12”
plus snow allowance from grade, exhaust outlet 18” minimum above inlet)

PN 82075

Apply plate here

Gas Vent Directly Below

Keep Free of Obstructions

30” Min. Plus
Snow Allowance

12” Min. Plus
Snow Allowance

Must insert
plastic bird
screen

7

10.) Install the vent screens provided into both the inlet and exhaust vent terminal elbows.

The screen must be on the outside of the last elbow. Install the screen into the female opening of
the elbow. Then cut a small piece of pipe to sandwich the screen into the elbow. NOTE be sure
that the small piece of pipe cut, does not extend past the end of the elbow. Two screens are
provided in the package.

11.) It is extremely important that the intake and exhaust piping be
adapted to 3” immediately at the boiler using the appropriate adaptors.
Use a 3” to 2” adaptor on the exhaust and a 3” to 1½” adaptor at the inlet.

12.) All interior vent pipe shall be supported every 24”

It is recommended that two
elbows be used, so that the
slope of the horizontal
exhaust vent (1/4” per foot)
does not affect the vertical
plumb of the pipe connected
to the boiler.

Air Inlet

3” to 1½”
adaptor

Exhaust 3” to 2” adaptor

3.4 DETERMINING VENT LENGTHS

Use the following chart to determine the
maximum amount of vent pipe that can be
used. This chart calculates, sweep and 45º
elbows, and 90º elbows at 5 equivalent feet.

Combustion air that contains chloride,
fluoride, bromine, or iodine can cause
corrosion of the heat exchanger,
voiding your warranty.

Warning

IMPORTANT:

• The length of one vent pipe (intake or exhaust) may not exceed the length of the other vent

pipe by more then 20 equivalent feet.

• The three 90° elbows of the exterior vent piping (two outlet, and one inlet) do not have to

be included, as they are taken into consideration in the vent calculations.

• 2” venting cannot be used.

• For Propane Gas (LP) maximum vent length cannot exceed 50 equivalent feet.

Pipe Gas Max. Equiv.

ModelsizeType Length 123456789

Ti150 &

Ti200

3" Natural 105 100 95 90 85 80 75 70 65 60
3" LP 50 45 40 35 30 25 20 15 10 5

Number of Elbows or 45's

8

Vent piping outside the Building is permitted under the following conditions:

1. The maximum length outside the building is 20 feet.

2. Only 3” pipe can be used.

3. All normal termination clearances

Supports every 24”

are maintained.

4. All exterior exhaust vent pipes are

insulated with 3.5”-ID, ½”-thick

Closed Cell Foamed Polyolefin

Exhaust

Tubing i.e., “Tundra Seal Plus” or

equivalent.

5. The pipe is supported every 24”

6. The exhaust and inlet are sloped

back to the boiler ½ ” elevation for
every foot.

Inlet

12” plus
allowance
above grade

Maximum of 20 feet is
permitted for outside a
building using 3” pipe
ONLY.

Insulation

“Tundra Seal

Plus” 3.5” ID. ½”

thick

Apply plate here

Gas Vent Directly Below

Keep Free of Obstructions

4.0 CONDENSATE DRAIN

This unit produces water as a
product of combustion. Much of this
water condenses on the heat
exchanger and in the venting
system. All exhaust piping must be

Failure to properly connect the condensate
line will cause combustion gases to enter the
room, possibly causing serious injury to
occupants or death.

on a slope back to the boiler ¼” per
linear foot of vent. Steps must be taken to ensure that condensate does not collect in the venting
system. Condensate must be drained from the boiler into a household drain.

Note: check with your municipality, or local gas company to determine if disposal of combustion
condensate is permitted. In the State of Massachusetts the condensate must be neutralized
prior to entering a drain.

The following are important notes that must be taken into
consideration when constructing the condensate system:

• DO NOT run condensate line outside. A frozen or blocked

drain will cause the condensate to fill the combustion
chamber. This will result in a no heat condition, as the unit
will shut down, and damage to the flame sensor, and
components can occur.

• NEVER use copper, steel, or galvanized piping in the

construction of the condensate system.

• When a condensate pump is used or required, select a

pump that is designed for residential furnaces.

Warning

Condensate
from Boiler

Bottom
Panel

Condensate
Siphon

Condensate drain
pipe must not be
sealed to allow
overflow, if blocked.

Condensate
Trap & drain

9

5.0 INSTALLING GAS PIPING

hes w.c.)

5.1 Installation

Refer to the current National Fuel Gas
Code ANSI Z223.1/NFPA 54 or
CAN/CGA B149.1 installation codes,

Gas valve

Air Inlet

Gas cock
shut Off
Valve to be
"T" type
handle

and local codes for gas piping
requirements and sizing. Pipe size
running to the unit depends on:

• Length of pipe.

• Number of fittings.

• Type of gas.

• Maximum input requirement of all

It is highly recommended to use
flexible gas pipe, the gas valve and
blower cannot support the weight of
piping. If piping is used, ensure that
the valve supports NO WEIGHT

gas appliances in the residence.

Insure that:

• Flexible gas pipe is used (if acceptable by local codes). The gas valve and blower cannot support

the weight of piping, leading to blower vibration and damaged components. If rigid piping is used,
ensure that the valve supports NO WEIGHT

• You plan the installation so that the piping does not interfere with the vent pipe, or the removal of

the valve, burner, and serviceable components.

• The Boiler shall be installed such that the gas ignition system components are protected from

water (dripping, spraying, rain etc.) during installation and servicing.

• The gas piping is large enough for all the appliances in the home. No appreciable drop in line or

manifold pressure should occur when any unit (or combination of units) lights or runs.

• Always use a pipe-threading compound that is resistant to propane (LP) gas solvent action. Use

sparingly to all male threads, starting at two threads from the end. Over doping or applying dope
to the female end, can result in a blocked gas line.

• DO NOT TIGHTEN FITTINGS WITHOUT SUPPORTING THE GAS VALVE as damage to the

valve or motor can occur.

• Install a manual “equipment Shut-Off Valve” as shown. Valve must be listed by a nationally

recognized testing lab.

5.2 Testing and settings

When running, the line pressure
supplying the unit must be 4-9
inches w.c. for Natural gas
installations and 9-12” for

If line pressure exceeds ½ PSI (14 inc
completely disconnect line to gas valve. This
excessive pressure can damage valve,
causing a leak resulting in fire or explosion.

Warning

Propane installations. Ensure
that the regulator is capable of maintaining
this pressure under all operational
conditions.

The gas valve is equipped with two bleed
ports; one is for the Manifold pressure, and
the other is for the Line pressure. Line
pressure should be maintained at 4-9”w.c for
Natural Gas and 9-12”w.c for Propane while
running at maximum rate.

*Note: On colder days CO2 should be closer to the lower number,
on warmer days it should be closer to the higher number. CO is
highest at the maximum firing rate.

Normal Range of Gases in Flue Gases

(At maximum fan speed of 240 on Sentry display)

Natural

Gas
Carbon Dioxide
CO

%

2

Carbon Monoxide
CO ppm
NOX ppm 10-50 10-50

8-9.5* 9-10.5*

25-175* 25-175*

Propane

The input Screw “MUST NEVER BE
ADJUSTED” without verifying proper
combustion with a calibrated combustion analyzer.

10

Manifold

Input Screw

IF FOR ANY REASON THE
INPUT SCREW IS
ADJUSTED, A
“COMBUSTION ANALYZER”
MUST BE USED TO ENSURE
SAFE AND PROPER
OPERATION.

out

Air In

6.0 HEATING SYSTEM PIPING

Gas IN

Line Pressure

Caution

The Trinity is tested with Natural Gas having a
heating value of 1020 BTU per cubic foot. For
areas with lower heating values, a combustion
test is required to obtain optimum operation.

The Trinity boiler employs a pneumatic
modulation system. This modulation system
increases or decreases the velocity of the
blower, to meet the demand for heating. The
gas valve senses this change in blower
pressure and introduces the required amount
of gas to ensure correct combustion.

Input Screw

Decrease gas
Turn Clockwise

Increase gas
Turn counterclockwise

Warning

This boiler must have adequate water flowing through it
whenever the burner is on. Failure to do this will damage
the unit and void the warranty.

Warning for all Systems

All systems must be flushed to remove sediment, flux,
filings, etc. Failure to do so will seriously damage the
boiler, voiding warranty. (Recommend using Fernox
cleaning products “Superfloc” for new installations and
CHR “Central Heating Restorer” for retrofits)

Warning for all Systems

The boiler fittings can’t support any weight. Support all
of the plumbing system externally.

Do not apply torque to the boiler fittings. Hold the fitting
when installing, otherwise damage to the unit will occur.

Caution: This boiler is designed to operate in residential and commercial heating systems, and is
not intended for:

1. Outdoor installations, or unheated spaces, which can cause freezing.

2. Process heating of potable water, or any other fluids.

3. Un-pressurized, and gravity feed heating systems.

4. Heating systems with very low pressures or flow.

11

IMPORTANT

1. Understand and follow the plumbing requirements provided in this section.

2. Keep serviceability in mind when installing plumbing around the boiler cabinetry.

Install fittings that will allow the system to be flushed if needed during annual check-ups.

3.

4.

Add an inhibitor to the system water to prevent limestone and magnetite deposits from forming,
and to protect the boiler from galvanic corrosion (Recommend inhibitor CHP, “Central Heating
Protector” from Fernox).

The Trinity boiler comes in two versions, heating and Combi.

Heating Version – The standard heating version is designed to operate in a hydronic heating system and
can operate with an indirect water heater.
Combi Version – This special version is equipped with internal components to provide hydronic heating

and domestic hot water heating. See Sections 6.1 and 6.3.

6.1 PRIMARY LOOP PLUMBING

Trinity Head loss

T150 T200

Circulating Pump Due to the Trinity
design, the boiler is more restrictive than a
conventional boiler, thus greater

50.0

40.0

consideration must be given to the
capabilities of the circulating pump(s) in the
primary-loop (Indirect pump included).

30.0

20.0

10.0

Rise

45°F
45°F

Feet of Head

0.0
2468101214

GPM us

Minimum Primary Pump Size

B&G Grundfos Taco

NRF-33 UP 26-64 0010

PL-36 UP 26-99 0011

The following is a listing of the
recommended circulators.

Model

Restriction
Head Loss

Minimum

Flow

(us

GPM)

Ti150 7’ at 6 GPM 6
Ti200 10’ at 8 GPM 8

Max. Temp.

Relief Valve (30PSI): Is provided with the system, and it is to be mounted as shown in the diagram.

Ensure that the discharge of the pressure relief is piped to a location were steam or water won’t cause
personal injury or appliance and property damage.
Boiler Venting: Hot water boilers are designed to operate with airless water in the system. The Trinity
boiler is provided with a 1/8” Air vent located on the top of the unit. This Air vent is intended to vent the
boiler on initial startup. This device will NOT continuously vent air collecting in the primary loop, and it is
not intended to be the primary venting device. The Air Scoop as shown in the diagram is the primary
venting location. It is recommended that an additional Air Scoop be used in the secondary plumbing. If
air continues to be a problem an air scrubber must be used (recommend Spirovent # VJR 100TM for
Ti150 or VJR 125TM for Ti200, use 1-1/4” primary-loop plumbing with model VJR 125TM).
Low Water Cutoff / Flow Switch: A certified LWCO or Flow Switch is not provided in the package,
however one is to be field installed in any application where the boiler is located above ALL the radiation
or where local authorities require it. NTI recommends installing a LWCO or flow switch to prevent the
boiler from firing without water in the heat exchanger.

12

Plumbing

• Ensure that the water line of the
“Low Water Cutoff” is at least 6”
above the top of the boiler.

• It is recommended that the LWCO
be situated so that it can be tested
without removing water from the
boiler. Tri-cocks and a gauge glass
are highly recommended.

Break 120Volt
power supply
to Boiler. Relay
must be
capable of
switching 120
Volts and 12
Amps

Low Water cut off

Air Vents

Water Line

• It is recommended that no gate
valves be installed between the
LWCO and the boiler.

• Use an air vent if installed as per
our diagram to be used as a
vacuum breaker and to eliminate

No valves
permitted
between the
boiler and
LWCO.

air upon filling.

Electrical

• Use the normally open contacts of

the LWCO to break line voltage
before being supplied to the boiler.
Circuit is 120 Volts, 12 Amps.

The Trinity boiler is to be used only in a Primary / Secondary pumping system. This is to avoid
cycling problems in systems that have poor flow, or heating zones with very small capacities.
The primary loop system must be used in all cases, regardless of the configuration of the
secondary system design.

Flow: The Trinity boiler must have water flow going through the boiler whenever the burner is on.

CAUTION: DAMAGE WILL OCCUR IF THE BOILER IS FIRED WITH NO WATER IN IT, OR REPETITIVE NO
FLOW OPERATIONS, WHICH WILL VOID THE WARRANTY.

13

00

y

p

B

y

B

y

D

Primary Loop For Heating Model

Quantity and location of shutoff valves, and
drains, are at the discretion of the installed.

ll piping must

be secured to

all for support

1” to 1-1/4” Pipe
Recommended

L

N

F

G

L

C

Primary Boiler loop

H

All piping

must be

secured to

wall for

support

1” to 1-1/4” Pipe
Recommended

N

F

Ti150

Water
Suppl

Optional Indirect

Insert secondary

Loop here.

See page15-16

Legend

A- Back flow preventor
B- Fill valve (set at 12 psi)
C- Diaphragm expansion tank
D- Cast Iron Air scoop, for excessive air

use

Spirovent (see page 12).

E- Automatic air vent
F- Relief valve (set at 30 psi)
G- Pressure gauge
H- Heating pump (see size

recommendations in Sec.6.1) Wired
to terminals C

I-

Optional Indirect pump (see

recommendations in Sec.6.1)

to terminals A

J-

Optional Indirect Water heater

K- Swing check valve.
L- Ball Valve
M- Boiler Drain
N- Boiler inlet connection (warm)
O- Boiler outlet connection (hot)
P- External Combi Manifold #82470-1

Ti2

- L2

1

- L

p

O

2

Ti200 relief

valve location.

same as Ti150

Wired

All other
piping is

Primary Loop

D

G

For Combi Model Only

Quantity and location of shutoff valves, and
drains, are at the discretion of the installer.

C

Boiler loo

Water
Suppl

Primar

Insert secondary Loop here.

See page15-16

14

p

p

6.2 SECONDARY LOOP HEATING SYSTEM

The following are typical piping systems. It is the responsibility of the installing contractor to determine
which system best meets the need of the installation. Contractor modifications to these instructions may
be required, based upon existing piping and system design.

6.2.1 Multiple Zones using Zone Valves

Primary

Loo

Max. 12” apart

See figure

Normally closed 4

wire Zone Valves

Zone

1

Zone

2

Zone

3

6.2.2 Multiple Zones using Pumps

Primary

Loo

Max. 12” apart

Pumps sized to each
zones flow and head

requirements

Zone 1

7.2.1 “Multiple 4 wire Zone Valves”
for wiring

7.2.2 “Multiple Zones with Taco Valve
controller

See figure

7.2.3 “Multiple Zones using pumps
and pump controller”

Installer may require throttling and
check valves to correctly regulate the
system

Zone 2

Zone 3

15

6.2.3 Multiple Zones with different temperatures

p

p

p

Using pumps and tempering valves

Primary

Loo

Pumps sized to each

zones flow and head

requirements

Using Injection pumps

Boiler sensor #1

(Hi Temp.)

Max. 12” apart

Max. 12” apart

Tempering valve

Zone 1

Low Temp.

Zone 2

Med. Temp.

Zone 3

High Temp.

Boiler sensor #2

(Lo Temp.)

See figure

7.2.3 “Multiple Zones using pumps,
and pump controller”

By setting the tempering valves to
different settings, multiple
temperatures can be obtained.

Installer may require throttling and
check valves to correctly regulate the
system.

Other configurations may work, but
under no circumstances can a mixing
valve be placed in the primary loop as
overheating of the boiler could occur.

Max. 12” apart

Primary loo

Injection

Pump

Mix sensor #1

Max. 12”

apart

16

(Hi Temp.)

Loop 1

High

Temp.

Loop Pumps sized to each loops flow and head requirements

Injection

Pump

Max. 12”

art

a

Loop 2

Low

Temp.

Mix sensor #2

Lo Temp.)

See figure

7.2.4 “Multiple temperature Zones
using injection pump”

Installer may require throttling and
check valves to correctly regulate
the system

ow Switc

pply

)

#

alves

Primary Loop

Boiler

1

Boiler

2

Boiler

3

For multiple boilers

S

Note: See page 14 for
location of expansion
tank and other
components

Insert secondary

Loop here.

See page15 & 16

6.3 DOMESTIC COMBI SYSTEM ((( OPTIONAL)))

The Trinity Combi is designed for installations where space is restricted. For applications where space is
not restricted, the use of an “Indirect Water Heater” is highly recommended.

The Trinity Combi
incorporates all the

Note: Locations of plumbing connections are not
be as shown, refer to labels on boiler, contact NTI
with any questions.

features of the Standard
Heating version, plus External
Combi Manifold, diverting valve,
plate heat exchanger & flow

switch. Note: The installer is

required to install the ¾” pump
flange (included in Combi kit) onto
the boiler return pipe prior to
installing the boiler; the bolts must
be inserted into the flange prior to
installing the flange.

COMBI Sequence of
operation

When water flow greater than .5

3 way diverting valve

Heating & Combi Circulator

Heating System
Return

External Combi
Manifold

Cold Domestic
Water in

(cool)

82470-1

Fl

GPM passes through the flow
switch, it closes a contact to
terminals A-C on the Sentry 2100
controller. The boiler is

Check Valve

Mixed Domestic
Water

immediately energized (if not
already on), the 3-way diverting

Throttling Valve

valve moves to the domestic hot
water position “A”, and the circulator is energized. Hot
water is circulated through the plate heat exchanger. The
flame is modulated to maintain the “LO” setting on the
Sentry control. The Sentry uses the boiler thermister to
read the temperature of the boiler water. Space heating is
not provided during a call for domestic.

R

Pump

Heating System
Su

(hot

h

S

Pump

2

C

H

M

R

Tempering Valve

R

S

Pump

AB

AB

Two Drains for
cleaning of plate
heat exchanger

Check

V

Boiler

Plate heat
exchanger

For the state of Massachusetts

Combi must
be field equipped
with 150 PSI
relief valve as
shown (not
provided)

Relief
Valve

C

H

M

17

Warning

To improve domestic hot water performance, Sentry versions T1.5 and newer, installed on Combi
boilers, go into a “Storage Mode” when demands for both space and domestic heat are finished. The
control will enter “Storage Mode” if the burner is on at the end of a demand. Once in “Storage Mode” the
burner goes to low fire, the 3-way diverting valve is energized (position “A”), and the circulator is
powered until a boiler temperature of 160°F is reached, at which point the control reverts to “Standby
Mode”. The “Storage Mode” will be interrupted by either a call for space or domestic heat.

Anti-Scald Valve A Sparcomix AM101-US-1 is
provided with your package. This valve regulates the
water temperature leaving the plate heat exchanger,
and must be used in every instance. The dial can
be set to the desired temperature required. Consult

the Honeywell manual SD/IS150 for detailed

If the Anti-Scald Valve is not
installed to the Honeywell Sheet
SD/IS150, and this manual,
operation may supply SCALDING
hot water to the occupants.

instructions and settings. (Note: the valve must be
set to a supply temperature of not more then 120˚F. It is the responsibility of the installer to set
the valve and remove the dial.)

Hard Water Hard water conditions will cause the components of this appliance to form scale and
impede the normal operation of the unit. Water with hardness higher than 50 ppm Calcium carbonate
must incorporate a “Water Softener” prior to entering the appliance. Plugging of domestic system by
scaling or accumulation of dirt is not the responsibility of NY Thermal Inc., and suitable steps shall be
taken to avoid it.

Cleaning Secespol brazed plate heat exchangers operate with high turbulence flow, even at low flow
rates. This high turbulence keeps small particles in suspension minimizing fouling and scaling.
However, in some applications the fouling tendency can be very high, e.g. when using extremely hard
water at high temperatures. In such cases it is always possible to clean the exchanger by circulating a
cleaning liquid. Use a tank with weak acid, 5% phosphoric acid or, if the exchanger is frequently
cleaned, 5% oxalic acid. Pump the cleaning liquid through the exchanger. For optimum cleaning, the
cleaning solution flow rate should be a minimum of 1.5 times the normal flow rate, preferably in a back­flush mode. After use, do not forget to rinse the heat exchanger carefully with clean water. A solution of
1-2% sodium hydroxide (NaOH) or sodium bicarbonate (NaHCO3) before the last rinse ensures that all
acid is neutralized. Clean at regular intervals.

Combi Limitations As the Trinity produces domestic hot water instantaneously, there are inherent
limitations that this system has.

1) NO STORAGE - As there is no water storage, the boiler can only provide water at the temperature
specified at the corresponding flow rates. Flow through the fixtures must be regulated so flows don’t

exceed the ability of the boiler to heat the water. MORE FLOW = LESS TEMPERATURE

2) DOESN’T MAINTAIN TEMPERATURE – When there is no call for domestic the unit is off. From a
dead stop the unit will detect flow and start providing heat in 15 seconds, and be up to capacity by 25
seconds. Once running, the unit can provide an endless amount of hot water. If the flow is momentarily
turned off for whatever reason, the unit will turn off. Once off, the unit must relight, and not provide heat
for 45-75 seconds. This will cause cold unheated water to pass through the unit, and advance through

the domestic plumbing between the previously heated (hot) water, and the new (hot) water. This can be

mistaken for an inability to adequately heat the water.

Procedure for Setting up Domestic Hot Water If the combi boiler is being installed in an application
that uses municipal water, often the pressure is high enough to generate flow rates at the faucets that
will exceed the boilers capacity to heat it. See the following tables to determine what flow can be
expected at various inlet and outlet water temperatures.

18

Table 1: Ti150C Flow rates

Inlet Water Temperature (deg. F)
40 45 50 55 60 65 70

110 3.9 4.2 4.5 4.9 5.4 6.0 6.7
115 3.6 3.9 4.2 4.5 4.9 5.4 6.0
120 3.4 3.6 3.9 4.2 4.5 4.9 5.4
125 3.2 3.4 3.6 3.9 4.2 4.5 4.9
130 3.0 3.2 3.4 3.6 3.9 4.2 4.5
135 2.8 3.0 3.2 3.4 3.6 3.9 4.2

Outlet Water (F)

140 2.7 2.8 3.0 3.2 3.4 3.6 3.9

(flow rates in us gpm)

Table 2: Ti200C Flow rates (flow rates in usgpm)

Inlet Water Temperature (deg. F)
40 45 50 55 60 65 70

110 5.1 5.5 6.0 6.5 7.2 8.0 9.0
115 4.8 5.1 5.5 6.0 6.5 7.2 8.0
120 4.5 4.8 5.1 5.5 6.0 6.5 7.2
125 4.2 4.5 4.8 5.1 5.5 6.0 6.5
130 4.0 4.2 4.5 4.8 5.1 5.5 6.0
135 3.8 4.0 4.2 4.5 4.8 5.1 5.5

Outlet Water (F)

140 3.6 3.8 4.0 4.2 4.5 4.8 5.1

To avoid having too much flow at your faucets use the shut off valve after the mixing valve to limit the
overall flow of domestic hot water. Follow these instructions to achieve the best results with your Combi
boiler:

1. Open shut off valve fully.

2. Turn the dial on the mixing valve to the desired setting (being careful not to exceed 120˚F or a

dial setting greater then 2) and adjust LO setting accordingly.

3. Create the maximum amount of DHW flow that is likely to occur on a regular basis. (Usually tub

faucet, or choose two other faucets)

4. Allow the boiler to reach steady state, and then throttle the shut-off valve until the hot water

exiting the plate heat exchanger is warmer than the mixed water exiting the mixing valve. Ensure
the boiler is firing at the maximum rate, if not increase the LO setting and repeat this step. (It is
beneficial to keep the LO setting as low as possible to limit short cycling and maintain efficiency)

7.0 WIRING

All wiring must be in accordance with the Canadian Electrical code, CSA C22.2, and any applicable local
codes. Ensure that the wiring is in accordance with this manual.

Contact capacity of outputs C1 or Ap is 3 running Amps with a maximum inrush of 6
Amps.

controller, or isolation relay to energize the pumps.

19

If the capacity of the pumps is in excess of these maximums, you must either use a pump

7.1 Simplified Wiring Connections

Heat and Indirect Wiring

120V WIRING

Green

Black

Electrical Box

Blue

Purple

15 AMP FUSED

POWER SUPPLY

Primary Pump

White

* Indirect

Circulator

120/1/60

Indirect

Aquastat

CAUTION

Contacts that energize
these inputs
MUST BE DRY
CONTACTS ONLY

N

t

a

t

s

o

m

r

W

e

h

T

R

Outdoor
Probe

D

O

T

C

A

5V WIRING

Combi Wiring

120V WIRING

Green

Primary Pump

Blue

White

Flow Switch

CAUTION

Contacts that energize

Black

these inputs
MUST BE DRY
CONTACTS ONLY

120/1/60

Electrical Box

15 AMP FUSED

POWER SUPPLY

N

The boiler must be electrically grounded in accordance with the National Electrical Code ANSI/NFPA 70,
or local codes, and/or the Canadian Electrical Code CSA C22.1.

Warning!!! A bad installation could ruin the Sentry

Board and void your warranty.

• Before providing 120 Volts to the boiler, do a continuity check between all wires and ground to make
sure that there are no electrical leaks that could damage the board.

• Before providing 120 Volts to the boiler, do a polarity check of the line and neutral wires, line must be
connected to black and neutral must be connected to white.

• Do not use magnetic tip screwdriver near the Sentry board.

• Verify that the wires connected to the Sentry TC and AC terminals are not grounded, or have

any voltage applied to them, or voltage to ground (dry contact closure only).

• Ensure that the probe wire is not damaged.

• Caution: Label all wires prior to disconnecting them when servicing controls. Wiring errors can cause

improper and dangerous operation

t

a

t

s

o

m

r

W

e

h

T

R

Outdoor
Probe

D

O

T

C

A

5V WIRING

20

Warning

7.2 Advanced Wiring Systems

7.2.1 Multiple 4 wire Zone Valves

Legend

P1- Primary Pump P3-Secondary pump
P2- Indirect pump, or

Combi Valve

Water

CB- Trinity Control box

%Ef.Air

TCA

Burner On
Heating Pump

Aux. Pump
Call for Heat

120/1/60

15 AMP FUSED

POWER SUPPLY

The basic multiple zoned system uses normally
closed four (4) wire zone valves. This wiring
system is used with the piping as described in
Section 6.2.1 “Multiple Zones using Zone Valves”.

Operation

Maximum current of blue wire (C1) is 3
amps, with all pumps running. Current
in excess of 3 Amps, may damage the
board, and void the warranty.

Room thermostat closes circuit to zone valve motor, thus opening the valve. When the valve is opened,
the end switch closes the circuit between terminals T-C on the Sentry control. The Sentry 2100 provides
power to the primary pump and secondary pump via (C1), once these pumps are on, it turns on the
burner.

Once the room thermostat is satisfied, it breaks power to the motor, which opens the end switch, and the
T-C circuit. The Pumps and burner turn off.

21

7.2.2 Multiple Zones with Taco Valve controller

(Models ZVC403 to ZVC 406)

P1- Primary Pump P3-Secondary pump
P2- Indirect pump, or

Combi Valve

Legend

CB- Trinity Control box

Water

%Ef.Air

Burner On
Heating Pump
Aux. Pump
Call for Heat

TCA

120/1/60

15 AMP FUSED

POWER SUPPLY

The basic multiple zoned system using normally closed 2 – 3- or 4 wire Taco zone valves. This wiring
system is used with the piping as described in Section 6.2.1 “Multiple Zones using Zone Valves”.

Operation
Room thermostat closes circuit to TT terminals Taco ZVC403 to ZVC 406 zone controller. The controller
energizes the appropriate zone valve and closes the circuit between terminals T-C on the Sentry control.
The Sentry 2100 provides power to the primary pump and secondary pump via (C1), once these pumps
are on it turns on the burner.

Once the room thermostat is satisfied, it breaks power to the motor, which opens the end switch, and
the T-C circuit. The Pumps and burner turn off.

22

7.2.3 Multiple Zones Pump controller

(Models Taco SR504, Argo ARM 861 Series)

P1- Primary Pump P3-Secondary pump
P2- Indirect pump, or

Combi Valve

Legend

CB- Trinity Control box

Indirect
thermostat,
or combi flow
switch

The basic multiple zoned system using circulating pumps. This wiring system is used with the piping as
described in 6.2.2 Multiple Zones using Pumps and 6.2.3 Multiple Zones with different temperatures.

Operation
Room thermostat closes circuit to TT terminals of the pump controller. The controller energizes the
appropriate circulating pump and closes the circuit between terminals T-C on the Sentry control. The
Sentry 2100, provides power to the primary pump (C1), once the pump is on, it turns on the burner.

Once the room thermostat is satisfied, it breaks power to the TT terminal of the pump controller, which
opens the X –X contacts, which opens the T-C circuit. The Pumps and burner turn off.

23

7.2.4 Multiple Temperature Zones with Injection Pumps

(Models Taco SR504, Argo ARM 861 Series And Tekmar 356 controller )

Indirect thermostat, or
combi flow switch

Loop 1 (Hi Temp.)
Thermostat, or
manifold end switch

Loop #1, Hi Temp.

Loop 2 (Lo Temp.)
Thermostat, or
manifold end switch

Legend

P1- Primary Pump ZP- Zone Pump
P2- Indirect pump or 3-way Valve in Combi BS.- Strap on boiler sensor
CB- Trinity Control box MS.- Strap on mixing sensor
IP- Injection Pump ODS.- Outdoor sensor

Loop #2, Lo Temp.

This wiring system is used with the piping as described in 6.2.3 Multiple Zones with different
temperatures ((Using Injection pumps))

Operation
Room thermostat or the end switch of a zoned manifold closes the circuit to TT terminals of the pump
controller. The pump controller then:

1. Sends 120 volts to the zone pumps (which circulates mixed water throughout the loop).

2. Sends 120 volts to the injection pump, through the 356 Tekmar controller.

3. Closes the circuit between terminals T-C on the Sentry control. The Sentry 2100 provides power

to the primary pump via (C1), once the pump is on, it turns on the burner.
The 356 controller reduces or increases the speed of the injection pump, depending on the
temperature at the “Mix sensor”.

24

Once the room thermostat is satisfied, it breaks power to the TT terminal of the pump controller, which

)

opens the X –X contacts, which opens the T-C circuit. The Pumps and burner turn off.

In an injection system, it is important to understand the effect of flow and temperature set points. It is
recommended that the Sentry controller’s set point is at least 20°F higher than the desired Mix
temperature of the Hottest Loop.

Consult the Tekmar installation manual for detail installation and operation of this control.

8.0 SENTRY 2100T CONTROLLER

The Sentry controller is the central controller for the Trinity boiler. The Sentry handles all the combustion
logic, together with the energy management functions. The Sentry 2100T operates in two different modes,
reset or conventional. The mode is automatically determined by the presence of the outdoor sensor.
When the Sentry 2100 detects the presence of the outdoor sensor the controller will operate in Reset
Mode. If the outdoor sensor is not installed, the controller will operate in Conventional Mode. If outdoor
sensor is connected after start-up boiler must be powered off and on.

Sentry Display

The following describes the meaning of the lights on the Sentry controller.

Green Lights

Burner/Bruleur = Indicates that the ignition

system is activated

Circ. = Indicates that the heating pump is

energized

Circ. Aux.= Indicates a call for DHW, and

Indirect pump or 3-way valve is activated.

Thermostat Demand= Indicates that terminals

T-C are closed, iniating a call for heat.

Water Temp= When
illuminated, indicates
that the display is
showing boiler water
temperature.

Air = If the air sensor is
being used. When
illuminated, indicates
that the display is
showing outdoor air
temperature.

Gas Input Value=
When illuminated,
indicates the current
input level (40-240 on
Ti200, 48-240 on
Ti150). See Chart to
determine input.

LED Display indicates the value of
the information being displayed.

DHW Temp. =
When illuminated,
indicates that
there is a call for
domestic hot
water.

Display Data - Input conversion chart

200

175

150

125

100

BTU (000's

75

50

25

240 215 190 165 140 115 90 65 48 40

Ti150 Ti200

LED Display

Indirect Water Heaters

The Sentry 2100 comes with
an input and output for a
120-volt indirect pump.
When the A-C terminals are
closed (dry contact) the
boiler will go immediately to
indirect domestic mode,
whereby the indirect pump is
activated, and the boiler will
modulate to the LO setpoint.

25

t

)

(

)

(

)

Setting Sentry 2100T Operation

T

T

T

T

T

T

The Trinity boiler employs a pneumatic modulation system. This modulation system increases or decreases the
velocity of the blower, to meet the demand for heating. The gas valve, senses this change, in blower pressure,
and introduces the required amount of gas, to ensure correct combustion. The term “Set Point” is used to indicate
the desired temperature that the Trinity will try and maintain, by increasing or decreasing the input.

Heat Circ. (C1)
Aux. Circ. (Ap)

Condition

Set Point
Burner On
Burner Off

Heat Circ.
Aux. Circ.

Condition

Set Point

Burner On
Burner Off

-C & A-C Open T-C Closed & A-C open

Standby

Note 3

Heating Only Domestic Only Domestic Only

- HI L0 L0

- HI – DIF (LO-10)

- HI + 10
Off On Off
Off Off On

-C & A-C Open T-C Closed & A-C open

Standby

Note 3

Heating Only Domestic Only Domestic Only

- HI

- HI

- HI

L0 L0

Calc.

– DIF (LO-10)

Calc

+ 10

Calc

Off On Off
Off Off On

-C Closed & A-C Close

Note 4

(LO-10)

°F 200°F

200

Note 1

Off

Note 2

On

-C Closed & A-C Close

Note 4

(LO-10)

°F 200°F

200

Note 1

Note 2

On

-C Open & A-C Closed

Note 4

Note 1

Note 2

-C Open & A-C Closed

Note 4

Note 1

Off

Note 2

Note:

1- For Combi units the Heating Circ. (C1) is powered for both heating and domestic hot water.

For Combi units the Aux Circ. (Ap) powers the 3-way diverter valve. (Located in the boiler)

2-

For Combi units the boiler will run in domestic mode immediately following a call for heat or domestic, until a boiler temperature of

3-

o

160

F in reached.

4- For Combi units the burner turns on when the water temperature is less then 190°F on the initial call, afterwards it turns back on when

water temperature is less then LO set point.

Setting Sentry 2100 control

Programming is accomplished by a series of three push buttons located on the bottom side of the

control. (Function,

through the various menu options depress

Function once, and the current value will be displayed, then use
desired value is obtained. To enter the selected value press Function, which will return to the menu.

When all desired values are selected, scroll to the RUN menu, and press Function, which exits the
Programming Mode and initiates normal operation. A safety feature has been added to ensure that if the
control is left in the Program Mode, the unit will turn off if left in program mode longer than 30 seconds

without receiving an input. Press Function once to continue programming or to start boiler operation.

MENU

Stores Values

Boiler Setpoint for

DHW (80-200°F)

& initiates

↑

and ↓). To enter the programming mode, press the function key once. To scroll

↑

until the menu is displayed. To alter the value press

↑

for up, and ↓ for down, until the

Differential

Boiler Setpoint for

Heating (80-200°F)

1-40°F

Sets Outdoor Reset

Curve Slope (70°F-HI)

Sets Starting Gas Input

Value (60-100)

Sets Highest Gas Inpu

Value (100-240

Sets Lowest Gas Input

Value

40*-100

Indirect Water Heater

Error Code

On/Off

RUN LO HI DIF RES SFS HFS LFS ER5

To start the control operation, you must return to RUN on the menu, and press Function. Normal operation will
begin. (*Note: LFS must not be set below 48 on Ti150’s.)

26

Determining Reset Temperature HI

control. The Horizontal axis is the outdoor air temperature.

Calc

Once the control identifies the presence of a good outside sensor, the control will automatically reduce the HI setting,
based upon the outdoor temperature. The calculated HI setpoint (HI

RES=70 , Air Temperature=32

RESET RATIO RESET TEMPERATURE HI

= (High Setting - RES)/RES =[(RES-Outdoor Air) x Reset Ratio] + RES THE DESIGN TEMPERATURE IS

= (200 - 70) /70 =[(70-32) x 1.85] + 70 0°F OUTSIDE AIR, SO AT 0°F
= 1.85 =[70.6] + 70

=140.6

Calc

°F USED, AND NOT SURPASSED.

Reset Curve for Res=85

200

180

160

140

120

Temp. (F)

100

80

Hi Setting & Water

60

-10 0 10 20 30 40 50 60 70 80 90

Outdoor Temperature (deg.F)

) is calculated as follows: Example: Hi=200,

Calc

Note:

OR LESS, THE HI SETTING IS

vertical axis is the water temperature that the boiler will

maintain, and is also the Hi setting of the Sentry 2100

These graphs are examples of reset temperatures based

upon different set points and outdoor air temperatures. The

Reset Curve for Res=70

200
180
160
140
120
100

Temp. (F)

80

Hi Setting & Water

60

-10 0 10 20 30 40 50 60 70 80 90

Outdoor Temperature (deg.F)

Recommended settings:

When determining the setting, ask yourself,
what is the hottest boiler temperature required
on the coldest day=HI SETTING, and what is
the temperature I want to generate for my

Finned Tube Baseboard
Cast Iron Radiators

System Hi Dif RES

190°F 20°F 85°F
150°F 20°F 85°F

indirect =LO SETTING. Keep in mind, that the lower the water temperature the boiler operates at,
the higher the system efficiency will be.

The LO setting is only used during a call for DHW (when A-C terminals are closed). Set the LO to the
temperature you require for the Indirect Water Heater (recommend 140°F) or at least 30°F higher than
the indirect Aquastat (recommend 110°F). Refer to “Procedure for Setting up DHW” in Section 6.30 to

achieve proper LO setting for Combi boiler (recommend 160 for Ti150C and 170 for Ti200C). If the A-
C terminals are not used, the LO setting is not used.

Outdoor Sensor (10K) – Shall be installed to take advantage of the energy saving
features of the Sentry Controller. Install the sensor preferably on the north, or
coldest side of the building, not within 10 feet of the discharge of the gas vent
outlet, or other sources of heat.

27

instructions exactly, a fire

damage,

and loss of life.

9.0 LIGHTING BOILER

9.1 INITIAL START-UP

• Ensure that the boiler is wired in accordance with this manual.

• Ensure that the gas shut-off valve is turned on, and that the gas system has been fully tested

for leaks.

• Ensure that the system is completely filled with water, and that ALL the air is purged out.

1. Turn on power to the Trinity Boiler. The boiler should run through a purge, and combustion should
occur. (The control system has a built in ignition retry, allowing the system to retry at least four times,
before locking-out.)

2. Verify that the gas line pressure is 4-9”wc. for natural gas, and 9-12” wc. for propane.

3. Using an appropriate Oxygen or Carbon Dioxide analyzer, take a sample of the flue gas. The sample
must fall within the acceptable ranges for carbon Dioxide, which is 8% - 9.5% for natural gas, and

9.0%-10.5% for propane. If the reading does not fall within this range, contact NY Thermal, for

assistance.

4. Perform at least three lights in succession to ensure proper operation.

5. After the three successive lights, unplug the flame probe, and allow the unit to cycle again. Ensure

that it tries to light, and locks out on safety reset. Once you have successfully activated the flame
safety system, replace the wire on the flame sensor, and reconfirm proper lighting.

For Your Safety, Read before operating

A. This appliance does not have a pilot. It is equipped

with an ignition device that automatically lights the

If you do not follow these

burner. Do not try to light the burner by hand.

B. BEFORE OPERATING, check all around the

appliance area for gas. Be sure to check next to

or explosion may resul t
causing property

the floor, as some gases are heavier than air, and
will settle on the floor.

C. Use only your hand to turn gas knobs, never use a tool. Forcing the valve, or attempting to repair

it can cause fire or explosion.

D. Do not use the appliance if any part is under water.

Warning

9.2 RE-LIGHTING UNIT

1. Stop and read these instructions very carefully.

2. Set the thermostat to the lowest setting, and then turn off all power to the boiler.

3. This appliance does not have a pilot. It is equipped with an ignition device that automatically
lights the burner. Do not try to light the burner by hand.

4. Turn the gas shut-off valve to the off position, and then remove the front cover.

5. Wait five (5) minutes to clear out any gas. Then check for gas, including near the floor. If you
smell gas “Stop” and follow “B” above. If you don’t detect any gas proceed to the next step.

6. Turn the gas shut-off valve to the on position, wait an addition five (5) minutes and check for
gas.

7. Replace the front cover.

8. Set the thermostat to the highest setting, and then turn on all power to the boiler.

9. Ignition sequence is automatic, combustion will occur after a brief fan purge. Ignition will retry
3 times.

10. If ignition does not occur, “Turn off the gas and electricity to the boiler” and contact a
professional service technician, or gas supplier.

9.3 TURN OFF BOILER

1. Set the thermostat to the lowest setting, and then turn off all power to the boiler.

2. Turn the gas shut-off valve to the off position.

28

10.0 TROUBLE SHOOTING

This section is intended to assist the service technician in detecting and correcting common errors. The
Sentry 2100 is equipped with an internal diagnostic system that verifies control operation. The following
series of error codes has been developed to aid in diagnosing control problems:

Problem

ER1

On Display

ER2

On Display

ER3

On Display

ER5

On Display

DHW

Problem

ER6

Burner

shuts off

before set-

point

temperature

is reached

(and burner

light goes out)

ASO

Indicates

that the Air

Switch is

Open

ASC

Indicates

that the Air

Switch is

Closed

Ignition

Sequence

not

The Safety High Limit of 250° F, has been

Water Probe… The water probe is transmitting

Water probe…Sentry is sensing an open circuit

at water probe. Or, the wiring to the outdoor

The control has determined an Indirect water

heater problem, the boiler has cycled off 10 times

during a single call for domestic. The Indirect call

will now be ignored until power is reset or the

Sentry has sensed a lack of 24V to the gas valve

during operation or a Fenwal ignition lockout.

Reset calculation being used to lower HI setting.

This is displayed when the boiler is expecting the

air switch to be closed by a differential pressure

generated when the combustion blower turns on.

It can occur momentarily during normal

operation. A problem is indicated when ASO is

This is displayed when the boiler has turned the

blower off and is expecting the air switch to be

open. It can occur momentarily during normal

operation. A problem is indicated when ASC is

Check for 24 Volts between terminal B1 on

Detected Problem Solution

1- Check to see if water is dripping on the sensor.

reached

an invalid signal. Closed circuit.

probe is grounding.

indirect call is interrupted.

((Not activated on Combi version))

“Flame Lock Out”

Thermostat is satisfied

displayed continuously.

displayed continuously.

Sentry & Ground

2- Reduce the Hi setting (and/or) ensure that there is
proper water circulation in the system.
Check wiring

Check wiring. (Note: ER3 will be displayed if
temperature sensed is less then 32
Note: If problem is corrected by resetting power, Sentry
control had locked-up; contact NY Thermal.
1-Not enough flow to keep boiler from tripping on limit.
Verify that a min. of 6 GPM flow is going through boiler &
indirect circuit.
2- Reduce indirect Aquastat setting, or Increase
difference between (Lo Setting) and (indirect Aquastat
setting).
3- Indirect limit or wiring failure.
1- There is a problem in the ignition sequence, it could be
caused by a faulty igniter, flame sensor, gas valve or
improper line pressure or combustion. Check ignition
sequence to determine which component is not
functioning.

after ER6 code originally occurs or if control is reset)

2- Check for 24V between B on terminal block and F1 on
Sentry plug, if not present a limit has tripped (see wiring
diagram).
If OD probe is being used, the HI setting will be
calculated using formula in Section 8.
1-If the thermostat demand light is turning off, the
thermostat has satisfied.
2-If DHW temp light is turning off; the aquastat or call for
domestic has been satisfied.

1-Are the vinyl tubes connected between the air switch
and the ports on the inlet pipe. Negative side of switch
connects to the port on the 1-1/2 ABS elbow.
2-Check for blockage on the intake and exhaust vents.
3-If fan is running, air switch may be faulty.
4-If fan is not running, check 120V wiring to blower, if ok
remove low voltage harness from blower, if blower fails to
start, replace blower, if blower does start problem may be
with blower or Sentry control.
1-Is the fan running. If so check for 24V between C and
D terminals (see wiring diagram). If 24V is not present
replace transformer.
2-Check venting termination with required venting
described in manual.

1 – If there is 24V, indicates faulty wiring between BI and
W1 on Fenwal, or faulty Fenwal.
2 – If 24V is not present proceed to next step.

(Sentry will retry ignition sequence 1 hour

°F.)

29

g

activated

when burner

light is on
(Fan is on

and Fenwal

not flashing)

Continued

Problem

Two Flashes

on Fenwal

Three

Flashes on

Fenwal

Boiler will

not stay lit

Boiler bangs

or hisses

Sentry

Controller

Locks-up

Display

Goes Blank

Boiler Lights

rough or
pulsates

.

Check for 24 Volts between terminal F1 on

Sentry & Ground

Water Safety Limit trips

(Automatic reset)

((Located in the supply manifold inside the boiler

cabinet))

Stack Safety Limit Trips

(Automatic Reset)

((Located on the front of the flue box))

Detected

Problem

The Fenwal controller

thinks that there is a

flame prior to ignition.

Indicates Ignition

Lockout.

Indicates lack of a

flame signal. In order

to stay running the

flame signal must be

at least 0.7 micro

amps

Bangs or sounds like

a kettle while burner

is running indicates

insufficient flow

Excessive noise,

current, or voltage

spikes in the 120V

power supply.

No power to control

or control failure

Typically an

imbalance in the Air

to gas ratio

If the combustion sequence is normal, and there is no flame prior to ignition, the
Fenwal control is defective, and must be replaced.

If the condensate drain gets blocked, the boiler will become flooded, and terminate
operation, as the flame rod becomes immersed. This will damage the flame probe.
To correct, free the drain blockage, and permanently prevent it from reoccurring.
Remove and dry off the probe. Reinstall the probe and try for ignition, if it fails to
ignite, leave the fan run for up to three hours to dry out the insulation and probe.
Reset Boiler so it will attempt to ignite.
Check for proper operation of ignition components. Make sure igniter glows and gas
valve opens.
Check for proper line pressure at gas valve when it opens.
If boiler lights check for flame signal between FC1 And FC2 on Fenwal control (If
lower then 1.2 micro Amps see “
Check combustion properties.
If the Burner light on the Sentry is going out, go to “
Check condensate drain for blockage and check the inlet piping for ingested snow or
water (if the flame rod gets wet, it may need to be replaced). Check for resistance
from flame rod to ground, must be an open circuit (O.L).
Check for proper polarity of line and neutral wiring to the boiler.

Ensure the plumbing is as shown in manual. Check to see if pumps are faulty or end
switches are stuck.

Check for voltage at the wires going to the A-C-T terminals of the Boiler.
Check the magnitude of the line voltage power supply.
Check the Amp draw of output C1 and Ap (max 3 Amp).
Check the Amp draw of control on start-up (max 6 Amps)
Contact NY Thermal.
Check for 120V between terminals L1 and L2 at Sentry.
If 120V exists turn power off and remove line voltage harness from Sentry. Then
check for resistance between L1 and L2 of control, if the circuit is open (O.L) the
internal fuse has blown. Check for shorts in wires leading to circulators prior to
replacing controller.
If 120V not present, check wiring and for 120V at source.
Ensure that the venting lengths are in compliance with Section 3.4
Ensure that the line pressure during operation does not drop more than 20% from
the static line pressure.

1 – If 24V exists here but not at B1, indicates faulty relay
inside Sentry, contact NTI, replace control.
2 – If 24V is not present check for 24V at transformer.
– If 24V exists at transformer, check wirin
limits. If 24V not present at transformer, check wiring
and replace transformer if necessary.
May be caused by an error in the reading of the water
temperature by the Sentry control. Watch cycle, and
ensure the Sentry is displaying the correct water
temperature and is modulating.

This device protects the boiler from overheating due to a
lack of flow passing through the unit when the burner is

FLOW MUST NEVER BE BLOCKED BY ANY VALVES

on.

INCLUDING MIXING OR ZONE VALVES.

Install unit as described in the manual.
This device protects the integrity of the plastic venting
material.
If the temperature of the flue gases exceeds 225
limit will cut power to the control. Blocked internal tubes
can increase the stack temperature to an unacceptable
level. Flush out the boiler.

Solution

Boiler will not stay lit”).

Burner shutting off”.

This problem can lead to boiler overheating!

and safety

° F the

30

Momentarily remove the intake vent from the boiler during ignition, if unit lights
smoothly with intake vent disconnected reconnect and check for proper combustion
if unit maintains smooth operation after ignition. (See Section 5.2) Calibrate for
proper combustion. If problem persists contact NY Thermal.

Fan appears

to be

creating a

noise in the

house

Slight vibration can

cause noise in the

residence

(This is not a

warranty issue)

Making a rubbing

noise. ((This is not a

warranty issue))

Use flexible gas line to insolate the vibration noises between the gas valve and the
line.
Don’t hang gas lines from floor joists.
Use rubber insulators with gas line supports.

If gas valve is not held when the gas nipple is connected, the force of tightening the
fitting can damage the valve, and warp the fan housing.
If pipe is used, the gas line must not create any forces to the valve, either vertically
(weight of line), or horizontally (misaligned connection)

The following are the thermister curves for diagnosing the water and outdoor air sensors.

1. Measure the resistance of the thermister when disconnected.

2. Using the appropriate chart, find the resistance and move either vertical (water probe) or
horizontal (air probe) until the line is intersected.

3. Move 90 degrees to the corresponding temperature.

4. If the temperature is plus or minus 10 degrees, then the probe is operating correctly.

Tr i n i ty T h e rm isto r R e sist a n c e Ch a rt

1 Mohm Wa ter Probe (Low Tem p.)

Trinity Thermist or Resistanc e Chart

1 Mohm W ater Probe (Hi Temp.)

2.25
2

1.75

1.5

1.25
1

0.75

0.5

0.25

Resistance (Mega Ohms)

0

50 60 70 80 90 100 110 120 130 140

Wa ter Temperature (oF)

Outside 10K probe

100

90

Thousands

80

70

60

50

40

30

Resistance (ohms)

20

10

0

100 75 50 25 0

Temperature (F)

120
100

80
60
40
20

Resistance (Kilo Ohms)

0

160 170 180 190 200 210 220 230

Water Temperature (oF)

31

11.0 Sequence of operation

The following is the normal sequence of operation for the trinity boiler.

Trinity Sequence of operation

Energizes

3-way diverter

valve

Energizes Primary

Pump (C1)

120v Power

Combi Model

Indirect
Water
Heater

Error

A S O

24 Vlot signal
to blower

Applied

Indirect

Combi

or

Closed

Displays version

t2.0

Indirect therm ostat
or flow switch closes A-C
((Call for Domestic))

A-C Closed

Energizes Indirect Pump

(Ap) turns off C1

Air
Switches

Open

Boiler in

standby mode

Awaiting

Input

Sentry 2100

Sentry 2100

Sentry 2100

Fan to SFS (75)

Thermostat, End switch
or relay closes T-C
((Call for Heat))

Energizes Primary

Pump (C1)

((Call for Ignition))

Igniter warm-up

Sentry 2100

Modulates Fan

based upon setpoint

and programing

Cal l for flame e nds

Error

A S C

5 seconds

Open

Power to Ignitor

120V to S1

Power to Gas Valve

Closed

Prepurge

Sentry 2100

Flame Probe

Signal < 1 micro A

Greater than 1.0 m icroA

24VAC from Sentry
B1 to Fenwal W

Three
Retries
for Flam e

Less than

1.0 microA

32

Wiring Diagram

Electrical

Box

STACK SENSOR

TCA DO

Blk

BOILER PROBE

3

AIR SWITCH

BLOWER

Red

MANIFOLD SENSOR

1

Red

Blk

FLAME PROBE

Wht

5
4
3
2

1

bare

Bare

Blk

Red

IGNITER

Wht

8
7

6
5
4
3
2

1

8
7

6
5
4
3
2

1

Wht

Black

Red

A

Blk

bare

Black

Blue

Red

SENTRY
2100

C T

Red

GAS

VALVE

MVS2 WS1 L1 L2 GND

Brown

C1

L2

F1

Ap

B1

L1

Green

Red

Green

Purple

Ylw

Blue

Blk

Wht

TRANSFORMER

Wht

A

B

C

D

E

F

Green

GND BLOCK

Blk

120V

24V

Wht

Blk

Wht

Brown

Blue

Green

White

Black

GROUND

12.0 INSTALLATION CHECKLIST
Installation

a) Connect all plumbing, and ensure that there are no system leaks.
b) Connect, secure, and glue all vent piping.
c) Install all gas piping as per this manual, and local codes. Pressure test, to detect any gas leaks.

Start-up

1. Install pressure gauge (Gauge= 0” to 15” w.c. scale) and check line and manifold pressures. (See
“Section 5.2”)

2. Turn gas shut-off valve to the ON position.

3. Turn Power on to boiler.

33

4. Set Sentry Controller to desired settings.

5. Turn thermostat up, Ignition will occur.

Operational Checklist

Ensure that Carbon Dioxide Readings are within the acceptable ranges. Using an appropriate Oxygen or
Carbon Dioxide analyzer, take a sample of the flue gas. The sample must fall within the acceptable
Carbon Dioxide ranges, which is 8% - 9.5% for natural, and 9.0%-10.5% for propane.

(See “Section

5.2”)

Before Leaving

• Remove gauge from gas valve and

tighten bleed screw and test plug for

It is imperative that you explain to the homeowner that it is their

• Keep the vent terminal free of snow and ice.

IMPORTANT

responsibility to:

leaks.

• Allow boiler to complete at least one

complete cycle, or at least 15

• Periodically check the vent terminal for

debris.

minutes running time.

• Always verify proper operation after servicing

13.0 ANNUAL MAINTENANCE AND INSPECTION

This unit requires very little maintenance, however a Qualified Technician should inspect it at the
beginning of every heating season.

1.) Lighting is smooth and consistent, and the combustion fan is noise & vibration free.

2.) The condensate freely flows from the unit, and is cleaned of sediment.

3.) Relief Valve and air vents are not weeping.

4.) Low water cut off is flushed (if applicable)

5.) Examine all venting, for evidence of leaks, and vent screens are cleaned.

6.) Check the burner plate for signs of leaking.

7.) Verify the vent clearance as per Section 3.0

8.) Listen for water flow noises indicating a drop in boiler water flow rate. The boiler and hydronic
system my need to be flushed to eliminate hard water scale (Recommend using Fernox DS-40
de-scalar).

Inspection Check list:

13.1 Combustion Chamber Cleaning

Once every second year the burner door should be removed so the combustion chamber can be

inspected for flue gas blockage. Such blockage will reduce the boiler’s capacity/firing rate and can
impact negatively on how smooth and efficiently the burner lights. Vacuum out any loose build-up and
clean the heat exchanger surface with an appropriate cleaner for combustion chambers (recommend
using Sotin 300). Use nylon or other non-metallic brush to loosen the sulfate incrustations and any other
contaminates. Rinse with water allowing the solution to exit via the condensate drain. This process may
warrant removing the insulation disc from the back of the heat exchanger.

34

14.0 PARTS LIST

Replacement parts are available from your stocking wholesaler. Homeowners must contact their local
Installer or Wholesaler. Installers or Wholesalers may contact NY Thermal Inc. for assistance at 506­432-1130. Notes: *Used for Combi version only.

No. P.N. Description

82657 Premix burner, 135.8 Ti-150 Only

1

82658 Premix burner, 200.6 Ti-200 Only

1

82761 Premix Burner Gasket

1A

81457 Transformer, 24V

2

82013 Sentry 2100 Assembly

3

82052 Blower #RG130 Ti-150 Only

4

82661 Blower #RG148/1200/3633 Ti-200 Only

4

82054 Gas Valve (CVI) VK8115F1134B

5

82065 Gas Valve 1/2" npt elbow

5A

82600 Gas Valve Vent connection

5B

82662 Air switch Huba @ .15"wc.

6

82688 Air Switch Huba Clip 100294

6A

82671 Thermister #T7335C2016 1 Mohn

7

82058 Ignition Moduel Fenwall #2465H-006-11

8

82708 IGNITER, #601, c/w SS Heat shield

9

82762 Rauscchert Flame Rod

10

82763 Composit Flue Box

11

82764 Composit Flue Box Gasket

11A

82765 Composit Flue Outlet Gasket

11B

82100 2" Clamp

11C

82748 2" ABS Coupling adaptor

11D

82659 Manifold Limit, 1/8BSP, Brass, 225F

12

82596 Ti 150 Heat Exchanger

13

82647 Ti 200 Heat Exchanger

13

82066 LP orifice 5.55mm Ti 150 Only

14

82650 LP orifice 5.20mm Ti 200 Only

14

82660 Stack Limit, 1/4BSP, SS, 190F, Dif=30

15

82766 Blower gasket Ti-150 Only

16

82719 Blower gasket Ti-200 Only

16

82622-1 Ti Inlet Pipe assembly

17

82127 Condensate nylon Y

18

82913 Condensate Siphon Trap

18A

82767 Cast aluminum Burner door

19

82769 Ti Ceramic burner door disc

19A

82770 Ti Burner door gasket

19B

82768 Ti Igniter gasket

20

82228* Tempering valve #AM101-US-1

21

82771 Extended air tube

22

82011* Plate heat exchanger LA1430

23

81896* Flow switch FS-380, .5activate

24

82160* 3 way Valve VU54S2016B, 3/4"

25

82159* 3 way actuator VU444A1007B

26

82754 Complete Control panel & Harness

27

82754-1 PCB Optocoupler

27A

82054-1 CVI Venturi 01

28

82054-2 CVI Venturi Gasket

28A

82104-1 Ti Air metering Elbow

29

81027-1 Sentry 2100 (10k) Outdoor Air Sensor

30

21

23

22

30

24

9

1A

16

20

28A

19

1

4

25

26

19B

10

14

19A

28

5B

27A

2

27

8

6A

3

6

11C

12

11D

7

11B

11

15

13

11A

18

5A

5

18A

29

17

35

Caution:

15.0 WARRANTY

What is Covered.

We the manufacturer, warrant that any parts or components of each new boiler will be supplied free of defects in material or workmanship. This warranty
replaces any other warranty implied or expressed. All the duration’s, terms and conditions mentioned hereafter are for manufacturer defects due to material
or workmanship only, and do not include misuse or normal wear of the equipment. Equipment returned for warranty consideration, will be evaluated upon the
condition of the part when examined by NY Thermal or an authorized service representative. Undue care taken during handling may VOID the warranty.

Basic Coverage A

We will repair or replace any component supplied, or manufactured by NY Thermal INC., that is found to be defective for a period of one (1) year, from date
of installation, if found to be in concurrence with the original manufacturers warranty.

Extended Coverage B

If the homeowner registers the installation with NY Thermal
found to be defective for a period of five (5) years, from the date of installation, if found to be in concurrence with the recommended installation and terms
and conditions of this warranty.

Extended Coverage C

If the homeowner registers the installation with NY Thermal
found to be defective from year 6 through year 10, on a pro rated bases from 80% of a new pressure vessel in year 6 to 10% of a new pressure vessel in
year 10, if found to be in concurrence with the recommended installation and terms and conditions of this warranty. Labor to install is not covered by the
warranty.

1. These terms and conditions void any of the preceding warranty statements:
A. Damage due to installation not in accordance with this manual and local codes, and regulations.
B. Any repairs or replacements made without authorization or notification to the manufacturer.
C. This warranty doesn't cover the labor and shipping costs associated with installing a repaired or replaced boiler.
D. Decision of warranty repairs or replacements to boiler will be at the discretion of the manufacturer or authorized service representative.
E. Corrosion or pitting of the heat exchanger caused by air that contains chloride, fluoride, bromine, iodine or other hazardous or corrosive gases.
F. Corrosion or pitting of the heat exchanger caused by oxygen, or contaminants in the heating system.
G. Damage or corrosion to the heat exchanger, caused by hard water, sludge, excessive scaling, or sulfur in the fuel greater than 30 mg/m

2. NY Thermal Inc. is not responsible for reimbursement for labor, fuel, or punitive damages caused by the operation or failure of the equipment.

3. This boiler must be installed and serviced by a licensed and trained heating Technician.

1.Contact your installing contractor or burner service company. Do not call NTI

2. If your contractor or service representative requires further help, they will contact us directly.

3. If you cannot contact your contractor or service rep. contact us at [phone] to the attention or the service
department.

4. Please realize that we as the boiler manufacturer will replace or credit the parts under warranty credits are at our
cost, so don't purchase replacement parts from suppliers with hopes of receiving 100% credit. Thus it is
recommended to receive all your warranty parts from your authorized service rep. or us directly, at no charge (if
under the warranty coverage).

5. We are very concerned about the service that you receive, so if you have complaints concerning the authorized
service representative we would very much appreciate your evaluation.

H. Damages due to the system not provide and ensuring flow through the boiler when the burner is on.

WHAT TO DO IN THE CASE OF A WARRANTY SERVICE PROBLEM

NTI cannot provide technical assistance, unless you are a trained heating technician.

A Licensed and Trained Heating Technician must install this boiler

otherwise the warranty is

VOID.

within 1 year of the original date of installation, we will repair or replace the pressure vessel, if

within 1 year of the original date of installation, we will repair or replace the pressure vessel,

TERMS AND CONDITIONS

3

.

Extended Coverage Registration Form

(Must be received within 1 year of installation)

Name:_________________________ Address:______________________ City: _____________

State / Prov.:_____________ Boiler Model ____________ Serial Number _________________

Installers Name ________________________ Phone:_____________ Install Date:__________

Return to:

NY Thermal Inc., 31 Industrial Drive, Sussex, NB, E2E 2R7

36