User’s Manual Document 1484
H2412300-
WARNING
If the information in this manual is not
followed exactly, a re or explosion may
result causing property damage, personal
injury or loss of life.
Do not store or use gasoline or other
ammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
nearby phone. Follow the gas supplier’s
instructions.
• If you cannot reach your gas supplier, call
the re department.
Installation and service must be performed
by a qualied installer, service agency, or gas
supplier.
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualied in hot water boiler and heater installation and maintenance. Improper installation and/or operation
could create carbon monoxide gas in ue gases which could cause serious injury, property damage, or
death. Improper installation and/or operation will void the warranty.
AVERTISSEMENT
Assurez-vous de bien suivres les instructions
données dans cette notice pour réduire au
minimum le risque d’incendie ou d’explosion
ou pour éviter tout dommage matériel, toute
blessure ou la mort.
Ne pas entreposer ni utiliser d’essence ni
d’autres vapeurs ou liquides inammables dans
le voisinage de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d’allumer d’appareils.
• Ne touchez à aucun interrupteur. Ne pas vous servir
des téléphones dansle bâtiment où vous êtes.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions
du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de
gaz, appelez le sservice des incendies.
L’installation et l’entretien doivent être assurés par
un installateur ou un service d’entretien qualié ou
par le fournisseur de gaz.
User’s Manual for
Wall-Mounted, Modulating
Gas, Condensing, Heating Only, Boiler
Model FTHW
• Natural Gas (NG) - Factory Conguration
• Propane Gas (LP) - Field-Convertible
100,000 BTU/hr
140,000 BTU/hr
199,000 BTU/hr
THE
FT
SERIES
Page 2
CONTENTS Pgs
1. Familiarizing yourself to the wall mounted FT Series Boiler .......2-3
2. Caring For Your FT Series Boiler ...................................................4
3. Start Up and Shut Down. ..............................................................4
4. Control Setup and Operation ....................................................5-10
1. Familiarizing yourself to
Boiler
The FT Series boiler is a highly ecient,
wall mounted, condensing and fully
modulating, residential boiler. This Users
Manual will guide you into the basics of
operating your
FT Series Boiler.
Please reference the
Installation and Operation Manual
for complete details. Doc # 1483
4 SCREWS
MODEL NUMBER
NO Name of Component
1
Air Vent (air eliminator)
2
Air Intake Collar
3
Air / Gas Mixing Pipe
4
Gas Inlet Pipe 2
5
Gas Valve
6
Exhaust Duct
7
Low Water Cut O
8
Overheat Temperature Sensor
9
Flame Detecting Sensor
10
Main PCB
11
Control Display
12
Manual ON/OFF Power Switch
13
Gas Inlet Pipe 1
14
‘CH’ Internal Pump
15
Gas Inlet Adapter
16
‘CH’ Supply Adapter
NO Name of Component
17
CH Pressure Gauge
18
‘CH’ Return Adapter
19
Condensate Trap
20
Condensate Adapter
21
CH Return Temperature Sensor
22
Condensate Air Pressure Switch
23
Terminal Block
24
Heat Exchanger
25
Ignition Transformer
26
Sight Glass
27
Burner Overheat Switch
28
Igniter
29
BLDC Fan (blower)
30
Exhaust Temperature Sensor
31
Air Pressure Sensor
32
Vent Pipe Collar
CONTROL PANEL
AND DISPLAY
CENTRAL HEAT
PRESSURE GAUGE
THE
FT
SERIES
User’s Manual - The FT Series Wall Mounted, Boiler
Page 3
Shown is the FT Series Heating Only 140 MBH.
All sizes are very similar in component layout.
2
1
31
32
30
29
28
27
26
24
17
23
21
22
25
3
4
5
6
7
10
11
12
13
14
8
9
15 16 201918
FTHW120/140
Page 4
3. Shut Down and Restart
3.1 To Start the FT Series boiler
If drained, please refer to the Install and
Operating Manual to ensure that the complete
‘Setup’ procedure has been followed before
starting this boiler. A complete ‘Setup’ must be
performed by a qualied service person.
3.2 Shutting Down the FT Series boiler
1. Turn o the main electrical disconnect switch.
2. Close all manual gas valves.
3. If freezing is anticipated, drain the FT Series
Boiler and be sure to also protect building piping
from freezing. All water must be removed from
heat exchanger and condensate trap or else
damage from freezing may occur. Please refer to
the Install and Operating Manual, Doc # 1483
This step to be performed by a qualied service
person.
2. Caring For Your FT Series Boiler
Your FT Series boiler will require very little
maintenance. However, as with any ne appliance
there are certain steps that should be taken to ensure
continuing optimum performance.
2.1 General Care
Keep the area around the FT Series boiler clean
and free from combustible materials, gasoline and
other ammable liquids and vapors.
The FT Series Boiler must be completely isolated
and protected from any source of corrosive chemical
fumes such as trichlorethylene, perchlorethylene,
chlorine, etc.
Keep bottom and top openings on the boiler free
for proper ventilation of interior components.
Do not obstruct or block a free ow of air to the
boiler to ensure proper ventilation.
If desired, clean the jacket surfaces with a
damp cloth and mild detergent. Do not use ammable
cleaning materials.
If sidewall vented, keep the vent terminal clear
of obstructions — do not allow snow to cover the vent
terminal. Clean the intake screen often, and then
develop an appropriate maintenance schedule.
2.2 Annual Inspection of Flue and Vents
Visually inspect the vent pipe once a year. Should
any deterioration exist, have the aected parts replaced
by a qualied service person.
2.3 In the Event of a Power Failure
The FT Series boiler can not be operated during
an electrical power outage. If there is an extended
power outage with danger from freezing, then the FT
Series Boiler (and all other water systems) should be
drained completely. When draining the boiler, turn o
main electrical disconnect switch. When placing back in
service, refer to Section 3 of this Manual for instruction.
All draining and lling must only be done by a qualied
service person.
2.4 Full Service Every Year
In addition to the annual visual inspections, a
qualied service agency should conduct a detailed
inspection of all ue product carrying areas of the boiler
and its venting system.
User’s Manual - The FT Series Wall Mounted, Boiler
Page 5
4. The Control Display and Operation
The FT Series Heating Only, Boiler
Page 55
SECTION 5 Control Display and Operation
5.1 Control Dial and Buttons
• Temperature Speci cations
Operating ambient Temperature Range : -10 to 60°C.
Operating Relative Humidity up to: 90% at 40°C.
Shipping & Storage Temperature Range of : -20 to 80°C.
Buttons
Functionality
PRESS (Tap) PRESS and HOLD (5 seconds)
A
Display Power
Turns Control Display
ON / OFF
B Modes Tap to return to menu
(If Display Power was On )
Status Display Mode
(If Display Power was O )
Installer Mode
C
Heating
Water
CH set point change mode
(Maxium 82
°C(180°F))
D
Time / Date
Set
No Change To SET: Year/Month/Week/Day/Time/Min
E
Scroll / Select
Menu select or value
up(+)/down(-) or setting dial.
The Control Display has a Control Dial (E), 4 buttons (A, B, C, D), and a Liquid
Crystal Display (with 72 back-lit segments). This section of this manual gives
instruction on how to navigate into the many functions of the FT and to change
temperature set points, set system variables and controller parameters.
Status Light
(constant green
when operating
normally)
The Control Display
55page
B
C
E
A
D
WARNING
Do no use this appliance if any part has been under
water. Immediately call a quali ed service technician
to inspect the appliance and to replace any part of
the control system and any gas control that may have
been under water.
Page 6
4. The Control Display and Operation
(continued)
Page 56
5.2 LCD Overview
The LCD will illuminate when a user action is detected (a button is pressed) and will
turn back o after 20 seconds.
Symbol Name Description
Service Reminder mode Service Reminder mode indication
Outside Temperature Mode Outside Temp setting indication
Anti-freeze mode Anti-freeze mode indication
Storage mode Storage mode indication
Information mode Information mode indication
Communication state Communication state indication
Time setting mode Time /Dispaly/Install mode indication
Fan operating mode Fan operating mode indication
Flame signal Flame Signal indication
CH pump mode CH pump mode indication
Storage pump mode Storage pump mode indication
Internal boiler pump Internal Boiler pump mode indication
Celsius mode Indicated as Celsius temperature
Fahrenheit mode Indicated as Fahrenheit temperature
Heat demand mode Heat demand mode indication
DAY mode Current day mode indication
Cascade System connecting
mode
Cascade System connecting mode
indication
Cascade System operating mode
Cascade System operating mode
indication
User’s Manual - The FT Series Wall Mounted, Boiler
Page 7
The FT Series Heating Only, Boiler
Page 57
5.3 Operating Mode
Operating Mode
After the Power is turned on, and/or the Control Display is turned on , the Control Display
will go through a ‘Start Up’ checklist and brie y show a sequence of diagnostic codes before
entering into the ‘Operating Mode. It will then display the following information.
The Control Display can operate through user and service modes that have speci c LCD output
and dedicated controls:
• Set point change mode • Lock mode • Error mode • Status display mode
• Outside Temperature mode • Installer mode
* Control Display will not allow changing of button in case of lock mode activated.
Indicate Indicator
Current Operating Temperature Set point
If the Fan is operating
If a ame is detected
Celsius or Fahrenheit
or
Date and Time indicator
If Outside Temperature Sensor is operating
If there is a Demand for Central Heat (CH)
If CH pump state is
operating
If Internal recirculation pump is operating
If Communication state is activated
57page
B
C
E
A
D
Page 8
Page 58
The P-950EH Control Display does NOT have a daily timer or programmable thermostat.
Setting the Clock
a. Press and hold the
‘Clock button’ for about 5 seconds. Set the ‘Year’ by turning the dial E. And
then, press the dial E to Save.
b. Set the ‘MON’ (Month) by turning the dial E to the desired month number. Then press the dial E to Save.
c. Set the ‘DATE’ (1-31, Day of the Month) by turning the dial E. Then press the dial E to Save.
d. Set the ‘HOUR’ (1-24, Hour of the Day) by turning the dial E. Then press the dial E to Save.
e. Set the ‘MIN’ (1-60, Minute of the Hour) by turning the dial E. Then press the dial E to Save.
f. Set the ‘Day’ (Sun - Sat) by turning the dial E. Then press the dial E to Save.
To Exit at any time, tap the
button.
5.4 Setting the Clock
57page
B
C
E
A
D
User’s Manual - The FT Series Wall Mounted, Boiler
Page 9
Page 58
The P-950EH Control Display does NOT have a daily timer or programmable thermostat.
Setting the Clock
a. Press and hold the ‘Clock button’ for about 5 seconds. Set the ‘Year’ by turning the dial
E. And
then, press the dial E to Save.
b. Set the ‘MON’ (Month) by turning the dial E to the desired month number. Then press the dial E to Save.
c. Set the ‘DATE’ (1-31, Day of the Month) by turning the dial E. Then press the dial E to Save.
d. Set the ‘HOUR’ (1-24, Hour of the Day) by turning the dial E. Then press the dial E to Save.
e. Set the ‘MIN’ (1-60, Minute of the Hour) by turning the dial E. Then press the dial E to Save.
f. Set the ‘Day’ (Sun - Sat) by turning the dial E. Then press the dial E to Save.
To Exit at any time, tap the button.
5.4 Setting the Clock
57page
B
C
E
A
D
The FT Series Heating Only, Boiler
Page 59
5.5 CH Set Point Change Mode
CH Set point Change Mode
Indicate Indicator
Current CH Temperature Set point
Celsius or Fahrenheit
or
If Communication state is activated
If ame is detected
Date and Time indicator
If CH pump is operating
If there currently a Demand for Central Heat (CH)
Default CH set point is 180°F (82°C)
CH set point range is 130°F ~180°F (54°C ~ 82.0°C)
To change CH Set point, press the C
button. The CH Icon and current
CH Set point will ash.
Turn the E dial clockwise to increase, and counterclockwise to decrease CH set point, until
desired temperature is reached.
Press E dial to save changes and to Exit.
57page
B
C
E
A
D
Page 10
Page 60
5.6 Status Display Mode
Digital Display
Status Display Parameter
Description
O: ot Outdoor temperature Current outdoor sensor temperature
A: In 0-10 V display Current voltage of (0-10V input)
b: tt CH target temperature in cascade system
Current CH target temperature or Current
System target temperature in a cascade system
C: It CH return water temperature Current CH return water temperature
d: Fr FAN speed ( rpm) Current FAN speed ( RPM)
E: oP
CH supply temperature (Operating temperature)
Current heating temperature
F: Eh Exhaust gas temperature Current exhaust gas temperature
H: dH
Indirect DHW tank temperature
* If temperature sensor is not connected
then it will display with 0°F (0°C).
Current DHW tank temperature
I: oH Overheat water temperature Current Overheat water temperature
L: rt
1: PH
Burner Operation
Time
Time for supply power
L: rt on display
on sub menu
Unit : 1000hour
2: rh
Time for burner
operation
Unit : 1hour
3: rH
Time for burner
operation
Unit : 1,000hour
4: It Cycle for ignition
Cycle : 10 times the
displayed unit
5: IH
Cycle for ignition
Cycle : 10,000 times the
displayed unit
M:
CC
SELF Percentage of self units running. Percentage of self units running.
ALL
Capacity for all operating
cascade units
Percentage of all cascade units running.
This screen shows the overal cascade power output. The
range of this value of boilers communicating with theMaster
x 100. For example, if 8 boilers are connected and
communicating, the maximum cascade power is 800%.
Range: 0-100%
F1 – F
19
Capacity for individual boilers
Percentage of each cascade units running.
Ex. F1, F2, ….
N: St
System Temperature (cascade
mode) * If system temperature
sensor is not connected then it will
display with 0°F (0°C).
Current System Temperature (cascade mode)
NOTE: For Cascading
Installations, please refer to
document 1349 ‘Cascading
the FT Series Boiler’,
available online.
60page
B
C
E
A
D
To view any Status Parameter,
Press and Hold Button B to get into the Status Display Mode.
Rotate Dial E until you nd the Parameter that you wish to view. Tap Dial E to enter that Parameter as
required. Dial E to save and to exit the Status Information Menu. To go back to the Operation Screen
Press button B.
User’s Manual - The FT Series Wall Mounted, Boiler
Page 11
Notes:
Dimensions and specications subject to change without notice in accordance with our policy of continuous product improvement.
Notes:
20-10 Document 1484
H2412300-
Customer Service and Product Support: 800.900.9276 • Fax 800.559.1583
20 Industrial Way, Rochester, NH, USA 03867
User’s Manual - The FT Series Heating Only, Boiler
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