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Installation and Operation Instructions
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler and heater installation and maintenance. Improper installation and/or operation
could create carbon monoxide gas in flue gases which could cause serious injury, property damage, or
death. Improper installation and/or operation will void the warranty.
If the information in this manual is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury or loss of life.
Do not store or use gasoline or other
flammable 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 fire department.
Installation and service must be performed
by a qualified installer, service agency, or gas
supplier.
Installation and Operation
Instructions for
THE
Wall-Mounted, Modulating
Gas, Condensing, Combination Boiler
Model FTCW
140,000 BTU/hr
199,000 BTU/hr
•
Natural Gas (NG) - Factory Configuration
•
Propane Gas (LP) - Field-Convertible
WARNING
FT
SERIES
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 ou ni
d'autres vapeurs ou liquides inflammables dans
le à proximité de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE
• Ne pas tenter d'allumer d'appareils.
• Ne touchez à aucun interrupteur. Ne pas vous servir
des téléphones dans le bâtiment où vous vous
trovez.
• 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 qualifié
ou par le fournisseur de gaz.
Document 1318F
AVERTISSEMENT
GAZ:
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Related Manuals for Bradford White FTCW199
Summary of Contents for Bradford White FTCW199
- Page 1 Installation and Operation Instructions Document 1318F Installation and Operation Instructions for SERIES Wall-Mounted, Modulating Gas, Condensing, Combination Boiler Model FTCW 140,000 BTU/hr 199,000 BTU/hr • Natural Gas (NG) - Factory Configuration • Propane Gas (LP) - Field-Convertible FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician, qualified in hot water boiler and heater installation and maintenance.
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Page 2: Table Of Contents
TABLE OF CONTENTS SECTION 1 Product Accessories 4.17 DHW Flow Restrictors .........45 1.1 Introduction ............1 4.18 Electrical Wiring Connections ......46 1.2 Included with the Appliance ........1 4.19 DIP Switches ............47 4.20 Control Board, Electrical Diagram ...... 48 SECTION 2 4.21 Ladder Diagram .......... -
Page 3: Product Accessories
The FT Series Wall Mounted, Combination Boiler Page 1 SECTION 1 Product Accessories 1.1 Introduction This manual provides information necessary for the All installations must be made in accordance with installation, operation, and maintenance of the FT Series 1) American National Standard Z223.1/NFPA54-Latest Edition Wall Mounted, Combination Boiler. - Page 4 Model: CASH ACME F-82 3” Mesh Screens O-Ring and Gasket Kit Outdoor Sensor with screws and anchors FTCW140 FTCW199 4.5 GPM Flow Restrictor (dark blue) Propane Conversion Orifice A 3.2 GPM Flow Restrictor (white) has been factory installed. See Section 4.17...
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Page 5: Product Characteristics
The FT Series Wall Mounted, Combination Boiler Page 3 SECTION 2. Product Characteristics Model Nomenclature (model number) The Model Nomenclature is shown on your Rating Plate and consists of a series of letters and numbers ( Nomenclature ) that further identifies the characteristics of your FT. FUEL SERIES SIZE... -
Page 6: Specifications
Page 4 2.2 Specifications Model Name FTCW140 140,000 Btu/h Gas Input Rate 28,000 Btu/h 35°F Rise 7.1 GPM Hot Water Capacity 45°F Rise 5.5 GPM 77°F Rise 3.2 GPM Installation Indoor / Wall hung type Flue System Sealed Combustion Direct / Single Vent / Concentric Vent Vent Run 2˝(50ft) , 3˝(100ft) Schedule 40 CPVC, PP, PVC 3.5˝... - Page 7 The FT Series Wall Mounted, Combination Boiler Page 5 2.2 Specifications (continued) Model Name FTCW199 199,000 Btu/h Gas Input Rate 19,900 Btu/h 35°F Rise 9.88 GPM Hot Water Capacity 45°F Rise 7.7 GPM 77°F Rise 4.8 GPM Installation Indoor / Wall hung type...
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Page 8: Dimensions
Page 6 2.3 Dimensions FTCW140 Air Intake Vent Description Diameter Air Intake collar 3" Vent Pipe Collar 3" ‘CH’ Supply 1" NPT ‘CH’ Return 1” NPT ‘DHW’ Outlet 3/4” NPT ‘DHW’ Inlet 3/4” NPT Gas Inlet 3/4” NPT Condensate Line 1/2"... - Page 9 The FT Series Wall Mounted, Combination Boiler Page 7 2.3 Dimensions FTCW199 Air Intake Vent Description Diameter Air Intake collar 3" Vent Pipe Collar 3" ‘CH’ Supply 1" NPT ‘CH’ Return 1” NPT ‘DHW’ Outlet 3/4” NPT ‘DHW’ Inlet 3/4” NPT Gas Inlet 3/4”...
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Page 10: Names Of Components
Page 8 2.4 Names of Components FTCW140 Name of Component Name of Component Condensate Connection Air Vent (air eliminator) Condensate Trap Pressure Relief Valve Air Pressure Switch (condensate) Air Intake Collar Mixing Valve Air Gas Mixing Pipe Terminal Block Gas Valve Control Panel and Display DHW Water Tank Main PCB... - Page 11 The FT Series Wall Mounted, Combination Boiler Page 9 FTCW199 Name of Component Name of Component Air Vent (air eliminator) Condensate Connection Pressure Relief Valve Condensate Trap Air Intake Collar Air Pressure Switch (condensate) Gas Valve Mixing Valve Air Gas Mixing Pipe...
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Page 12: Product Flow And Characteristics
Page 10 2.5 Product Flow Paths and Characteristics 2.5.1 Central Heating flow. Combination Boiler Heating Mode. Water in the heating pipe is used for space heating. FTCW140 FTCW199 Combustion Combustion Vent Vent Combustion Vent Hydronic Supply Hydronic Supply Hydronic Supply... -
Page 13: Domestic Hot Water Flow
2.5.2 Domestic Hot Water flow. Combination Boiler Domestic Hot Water Mode. Cold water passes through the exchanger and is heated via a mini indirect tank. The domestic hot water (DHW) is provided on demand. FTCW140 FTCW199 Combustion Combustion Combustion Vent... -
Page 14: Safety Regulations
Page 12 SECTION 3 Safety Regulations 3.1 Safety Symbols WARNING WARNING To avoid product damage, personal injury, or even FOR YOUR SAFETY READ BEFORE possible death, carefully read, understand, and OPERATING follow all the instructions in the Installation and Operation manual before installation, operation If you do not follow these instructions exactly, a and service the Boiler. - Page 15 The FT Series Wall Mounted, Combination Boiler Page 13 damaging condition that might affect the operation of the unit. Boiler must be checked by a qualified technician before resuming operation. DO NOT use this Boiler if any part has been under water.
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Page 16: Safety Precautions And Proper Use
Page 14 SECTION 3 Safety Regulations 3.2 Safety Precautions and Proper Use When in Operation Before Operation CAUTION 1. Caution for Gas leak 1. Check the Gas Type (NG/LP) Frequently check for a gas leak at the gas connection When using or moving the unit for the first time, check portion with soapy water. - Page 17 The FT Series Wall Mounted, Combination Boiler Page 15 WARNING Do not use the appliance for any other purpose than for heating and hot water. Do not store combustibles or flammable material such as gasoline near the appliance. Do not store other items on or near this boiler. Do not store combustible (flammable) materials such as papers.
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Page 18: Installation
Page 16 SECTION 4. Installation WARNING 4.1 Location and Clearances Installations must comply with • All the local, state, provincial, and national codes, laws, regulations and ordinances. The FT must be mounted to a suitable wall by a • National Fuel Gas Code, ANSI Z223.1 – The latest qualified heating contractor under the guidelines of a version. -
Page 19: Wall Mount Bracket
The FT Series Wall Mounted, Combination Boiler Page 17 4.2 Wall Mount Bracket 3" to Top of Unit • 4.2.1 The installation height and location for your Anchors FT depends on your installation scenario. With all clearances considered, and given adequate positioning for air supply and venting, you will need to determine the best position Concrete, to mount the Wall Mount Bracket. -
Page 20: Combustion Air
Page 18 SECTION 4. Installation (continued) 4.3 Combustion Air Method 2: One permanent opening, commencing within 12” (300mm) of the top of the enclosure, shall FT boilers must have provisions for combustion and ventilation air in accordance with the applicable be permitted. - Page 21 The FT Series Wall Mounted, Combination Boiler Page 19 NOTICE AVIS The instructions for the installation of the venting Les instructions d'installation du système system shall specify that the horizontal portions of d'évacuation doivent préciser que les sections the venting system shall be supported to prevent horizontales doivent être supportées pour prévenir sagging;...
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Page 22: Venting (Exhaust)
Page 20 4.4 Venting (Exhaust) WARNING NOTICE All venting must be installed according to this manual and any other applicable local codes, including but DO NOT COMMON VENT FT UNITS.FT units are not limited to, ANSI Z224.1/NFPA 54, CAN/CSA never permitted to share a vent with Category I B149.1 and ULC-S636. -
Page 23: General Location Guidelines
The FT Series Wall Mounted, Combination Boiler Page 21 WARNING 4 . Vent system components must not be mixed with alternate manufacturers certified Failure to vent this Boiler in accordance with components and/or unlisted components. these instructions could cause a fire, resulting 5 . The venting must be installed according in severe property damage, personal injury or to the vent manufacturers installation death. -
Page 24: Locations For Vent Pipe Terminator
Page 22 4.6 Locations for Vent Pipe Terminator * For clearances not specified in ANSI Z224.1 / NFPA 54 or CAN/CSA-B 149.1, please use clearances in accordance with local installation codes and the requirement of the gas supplier. 4.6.1 Direct Venting Clearances US Direct Vent Instal- Canadian Direct Vent Description lations Installations... -
Page 25: Non-Direct Venting Clearances
The FT Series Wall Mounted, Combination Boiler Page 23 4.6.2 Non-Direct Venting (Single Pipe) Clearances Description US Non-Direct Canadian Non-Direct Clearance above grade, veranda, porch, deck, or balcony 12 in (30 cm) 12 in (30 cm) 48 in (120 cm) below or to side of opening; Clearance to window or door that may be opening 36 in (91 cm) 12 in (30 cm) above... -
Page 26: Venting Requirements In Massachusetts
Page 24 4.6.3 V enting Requirements in the Commonwealth of Massachusetts b. In the event that the requirements of the In Massachusetts the following items are required if subdivision cannot be met at the time of completion the side-wall exhaust vent termination is less than seven (7) feet above finished grade in the area of installation, the owner shall have a period of thirty of the venting, including but not limited to decks... - Page 27 The FT Series Wall Mounted, Combination Boiler Page 25 NOTICE AVIS NE PAS ÉVENT COMMUNE FT UNITÉS. FT unités DO NOT COMMON VENT FT UNITS.FT units are never permitted to share a vent with Category I ne sont jamais autorisés à partager un évent Catégorie I avec les appareils.
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Page 28: Air Supply And Vent Connections At The Appliance
Page 26 4.7 Air Supply and Vent Connections at the Appliance 4.7.1 Vent / Air Pipe Lengths 3˝ Combustion Air / Vent Pipe 2˝ Combustion Air / Vent Pipe Combination Boiler Model Elbow Max Elbow Max FTCW140/199 100´ (30M) 50´ (15M Table 6. Maximum Vent / Air Pipe Lengths for either 3”... -
Page 29: Indoor Combustion Air
2. Provide two openings to allow for circulation of combustion air as specified by ANSI Z224.1/NFPA 54. In Canada refer to CAN/CSA B-149.1 Model FTCW140 FTCW199 Maximum Input (BTU/H) 140,000 199,000 Indoor make up air is provided, a minimum 140 in2 13 1/4"... -
Page 30: Vent / Air Pipe Termination
Page 28 4.8 Vent / Air Pipe Termination Vent Termination Note : For using pipe more than 1 elbow, 1. Rodent Screen Installation reduce maximum allowable length • Install Rodent Screen and Vent Terminal • 5 feet (1.5M) for each additional 3-inch (additional purchase), see Figure for appropriate 90-degree elbow configuration. - Page 31 The FT Series Wall Mounted, Combination Boiler Page 29 4.8 Vent Pipe Termination (cont) Vertical Vent Termination • Direct Vent - Vertical Terminations with Sloped Roof Concentric Vent Termination • Direct Vent - Optional Horizontal and Vertical Concentric Vent Side wall Vent (2"or 3") Roof Vent (2"or 3")
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Page 32: Gas Supply And Piping
Page 30 4.9 Gas Supply and Piping WARNING: Gas piping should be supported by suitable hangers or Open flame can cause gas to ignite and result in floor stands, not the appliance. property damage, severe injury, or loss of life. Review the following instructions before proceeding with the installation. - Page 33 3/4” female NPT on FTCW140 models To facilitate any future maintenance, it is also 3/4” female NPT on FTCW199 models recommended that an approved gas union fitting be installed in the supply line between the shut-off The supply line must be sized for the maximum valve and the 3/4˝...
- Page 34 Suggested Propane Gas (LP) Layout The combination boiler must be installed downstream of the gas meter for adequate gas supply. The gas piping must not be less than 1/2” for FTCW140 models and 3/4” female NPT on FTCW199 mod- els.
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Page 35: Gas Supply Pressure
Fire and when using a combustion analyzer. See Section 4.13 for step by step details. Gas Outlet Pressure Port Inlet Gas Pressure Port FTCW140 FTCW199 Gas Outlet Pressure Port Inlet Gas Pressure Port Offset Adjustment. Do Not Adjust without using a combustion analyzer to verify adjustment. -
Page 36: Gas Setup And Adjustment
MIN FIRE 0.002" WC 0.079" WC -0.314"WC -0.173"WC MAX FIRE FTCW199 -0.015"WC -0.015"WC MIN FIRE Table D Table 11. Manifold Pressures It may be necessary to go back and forth between HI Fire and LOW Fire several times (and making adjustments only at LOW Fire), before CO 2 at both are within acceptable levels. -
Page 37: High Altitude Installations. 2,000' To 10,000
The FT Series Wall Mounted, Combination Boiler Page 35 4.12 High Altitude Installations. 2,000’ to 10,000’ The FT is shipped with a default factory setting for installation at an altitude of 0 to 2000’ (approx). For maximum efficiencies at higher altitudes (2,000’... -
Page 38: Natural Gas To Propane Conversion
Propane Gas (LP) part # Nozzle FTCW140 FT1412N FT1412P FT1780 FT1802 FTCW199 Orifi ce Table A. Gas Conversion Parts 800.900.9276 • Fax 800.559.1583 (Customer Service, Service Advisors) 20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355 (Applications Engineering) pg 1 of 4 1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 •... - Page 39 Document 4288D 4.13 Natural Gas to Propane Conversion Figure A Figure B Gas Valve Combustion Test Port Figure C FTCW140 FTCW199 Gas Valve Figure B Gas Valve Figure C ORIFICE PACKING WARNING AVERTISSEMENT This conversion shall be installed by a qualifi ed Ce conversion doit être installé...
- Page 40 Open the Gas Valve Adjustment Port by removing the cap screw with a 4mm Allen wrench. Then use the 4 mm Allen wrench to make a minor adjustment (1/8 turn) to either increase or decrease CO 2 . FTCW199 FTCW140...
- Page 41 MIN FIRE 0.002" WC 0.079" WC MAX FIRE -0.314"WC -0.173"WC FTCW199 MIN FIRE -0.015"WC -0.015"WC Table D It may be necessary to go back and forth between HI Fire and LOW Fire several times (and making adjustments only at LOW Fire), before CO 2 at both are within acceptable levels. Be sure to put the adjustment port cap screw back onto the valve when done.
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Page 42: Plumbing Guidelines
Page 40 SECTION 4. Installation 4.14 Plumbing Guidelines External Plumbing and Water Connection CAUTION Guidelines Use at least the MINIMUM pipe size for the entire - Ensure pipe material meets local codes and boiler loop piping (connecting boiler to and from industry standards. - Page 43 The FT Series Wall Mounted, Combination Boiler Page 41 SECTION 4. Installation 4.14 Plumbing Guidelines Zoning with circulation pump - Each heating zone of a pump based system has its own circulator pump which runs when the zone needs it. - Each zone thermostat goes to a controller which controls the pumps..
- Page 44 Page 42 SECTION 4. Installation 4.14 Plumbing Guidelines Zoning with zone valve - In a valve based system, there is one circulator pump at the boiler and each heating zone has a zone valve which opens when the zone. - Each thermostat is wired directly to the corresponding zone valve. Contacts in the zone valves provide a proper signal to the boiler when the valve is opened.
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Page 45: Pressure Relief Valve
The FT Series Wall Mounted, Combination Boiler Page 43 SECTION 4. Installation 4.15 Pressure Relief Valve External pressure relief valves must be installed. Observe the following. Failure to comply with the guidelines on installing the pressure relief valve and discharge piping can result in personal injury, death or substantial property damage. -
Page 46: Disposal Of Condensate
Page 44 SECTION 4. Installation 4.16 Disposal of Condensate High efficiency gas condensing Boilers create condensation when operating. Condensation has acidic (pH) of approximately 4-5. Condensate must be drained in accordance with all local regulations. Follow your local code with regards to the disposal of condensation. One of 4 disposal methods must be followed 1. to floor drain 2. -
Page 47: Dhw Flow Restrictors
The FT Series Wall Mounted, Combination Boiler Page 45 SECTION 4. Installation 4.17 DHW Flow Restrictors are Factory Installed WARNING Rated at 3.2 GPM for the model 140 and 7.0 GPM If the appliance has been filled and operational, for the model 199, both of these factory installed then the gas, water and power must be completely restrictors are white in color. -
Page 48: Electrical Wiring Connections
Page 46 SECTION 4. Installation 4.18 Electrical Wiring Connections FTCW140 Manual Switch Terminal Block 0-10V O / S INPUT 0 - 10V Thermostat Outdoor External Input Connection Sensor WARNING Install wiring and electrically ground boiler in accordance with authority having jurisdiction or, in the absence of such requirements, follow the National Electrical Code, NFPA 70, and/or CSA C22.1 Electrical Code-Part 1 in Canada. -
Page 49: Dip Switches
The FT Series Wall Mounted, Combination Boiler Page 47 4.18 Electrical Wiring Connections (cont) FTCW199 Terminal Blocks Manual Switch 0-10V O / S MAIN POWER CH/BOILER PUMP INPUT 0 - 10V Thermostat Main External Outdoor External Input Connection Power CH Pump... -
Page 50: Control Board, Electrical Diagram
Page 48 SECTION 4. Installation 4.20 Control Board, Electrical Diagram Control Board... -
Page 51: Ladder Diagram
The FT Series Wall Mounted, Combination Boiler Page 49 SECTION 4. Installation 4.21 Ladder Diagram level Air Pressure Sensor... -
Page 52: Electrical Connections
Page 50 SECTION 4. Installation 4.22 Electrical Connections Connector Description HT SELV #, Location, Type Label GROUND HT (120V~) Power Supply Line HT (120V~) Not Used HT (120V~) Igniter HT (120V~) L(HT) Pump : CH HT (120V~) 65001WS-12 Gas Valve HT (120V~) Power Supply Neutral HT (120V~) - Page 53 The FT Series Wall Mounted, Combination Boiler Page 51 SECTION 4. Installation 4.22 Electrical Connections Connector Description HT SELV #, Location, Type Label Flame Detect Sensor SELV (5V) OP.S Operating water temperature sensor SELV (5V) DH.S DHW temperature sensor SELV (5V) Return temperature sensor SELV (5V) LWD1140-14...
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Page 54: Control Display And Operation
Page 52 SECTION 5. Control Display and Operation 5.1 Control Dial and Buttons The Control Display Status Light (constant green when operating normally) The Control Display has a Control Dial (E), 4 buttons (A, B, C, D), and a Liquid Crystal Display (with 72 back-lit segments). -
Page 55: Lcd Overview
The FT Series Wall Mounted, Combination Boiler Page 53 SECTION 5. Control Display and Operation 5.2 LCD Overview Anti-Freeze Storage Lock Communicating Central Mode Heating Heat Status and Installer Modes Summer Mode (warm weather Flame shutdown) Signal Outside Temp Mode or 0-10V Pump Domestic Hot Water Mode... -
Page 56: Operating Mode
Page 54 SECTION 5. Control Display and Operation 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 briefly show a sequence of diagnostic codes before entering into the ‘Operating Mode. -
Page 57: Status Display Mode
The FT Series Wall Mounted, Combination Boiler Page 55 SECTION 5. Control Display and Operation AUTODESK 5.4 Status Display Mode Digital Display Status Display Parameter Description O:ot Outdoor temperature Current Outdoor temperature A: Li or A: GA Flow unit Current flow value(Li: L/m, GA: GPM) b: It CH Return Water Temperature Current Return Water Sensor Temperature... -
Page 58: Dhw Set Point Change Mode
Page 56 SECTION 5. Control Display and Operation 5.5 DHW Set Point Change Mode DHW Set Point Change Modes The display shows the following information when changing water heating temperature set points. Changing between Celsius and Fahrenheit When the button D is pressed (for more than 5 seconds), temperature unit will toggle between °C and °F. -
Page 59: Ch Set Point Change Mode
The FT Series Wall Mounted, Combination Boiler Page 57 SECTION 5. Control Display and Operation 5.6 CH Set Point Change Mode Changing between Celsius and Fahrenheit When the button D is pressed (for more than 5 seconds), temperature unit will toggle between °C and °F. Indicate Example 110°F... -
Page 60: Installer Mode
Page 58 SECTION 5. Control Display and Operation 5.8 Installer Mode AUTODESK These changes are to be made only by a qualified technician. To c hange any of the Installer Parameters, Start by turning OFF the Power to the Display Control. Then, with the power OFF, Press and HOLD (more than 5 seconds) the Button B to get into the Installer Mode. - Page 61 The FT Series Wall Mounted, Combination Boiler Page 59 SECTION 5. Control Display and Operation 5.8 Installer Mode Index Parameter Description 1: EH History entry History fault code (E0~E9) 2: cE Clear Error History Clearing of error History buffer 3: In System initialize System initialize to default 4: Fu...
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Page 62: Outside Temperature (Option)
Page 60 SECTION 5. Control Display and Operation 5.9 Outdoor Reset Adjustment Outdoor Reset varies the control setpoint based on the outdoor temperature. The reset function works as shown in Figure ‘CH Outdoor Reset’. When the outdoor air temperature reaches 6:OH “high outdoor temperature setpoint”, the control point setting is adjusted to 17:cL “low boiler temperature setpoint”. -
Page 63: Error Mode
The FT Series Wall Mounted, Combination Boiler Page 61 5.11 Error Mode Flashing Indicate Example Error ‘ Er : ’ will flash Er:11 Error Code Er:11 Display and Controller are communicating NOTE: When communication between the Control Display and the main controller is lost, the will not be displayed. -
Page 64: Error Codes
Page 62 SECTION 6. Error Codes Error Error Code Recover Possible Remedies Code Description methods Press the Power button to clear the Error Code. If Error happens again: 1. Monitor the gas pressure to the appliance while in operation. Ensure pressure is between 3.5 and 14”... - Page 65 The FT Series Wall Mounted, Combination Boiler Page 63 SECTION 6. Error Codes (continued) Error Recover Error Code Description Possible Remedies Code methods This Error Code will go away when exhaust temperature decreases. If Error happens again: Venting (Exhaust) Sensor 1. Check Venting (exhaust) temperature sensor. Ensure connections are secure. Soft Lock Open or Short 2.
- Page 66 Page 64 SECTION 6. Error Codes (continued) Error Recover Error Code Description Possible Remedies Code methods This Error Code will go away when the condition is remedied. Mixing Valve Initial Value If Error happens again: Error 1. Turn power OFF and ON at the main power switch internal to the appliance. Soft Lock (Mixing Valve Cannot Return 2.
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Page 67: Fault Tree Analysis
The FT Series Wall Mounted, Combination Boiler Page 65 6.2 Fault Tree Analysis 1. Flame detection... - Page 68 Page 66 6.2 Fault Tree Analysis 2. Gas Detection 3. ‘Storage’, ‘DHW’, ‘OP’, ‘CH overheat’, ‘Exhaust heat’ Sensor detects Error code contents DHW NTC open or short OP NTC open or short Exhaust NTC open or short...
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Page 69: Trouble Shooting
The FT Series Wall Mounted, Combination Boiler Page 67 SECTION 7. Trouble Shooting 7.1 Diagnostics Question Answer Make sure that the ON/OFF button on the Control Panel has been turned ON. If the monitor on the Control Panel is blank, make sure the power cord is plugged and 4A fuses on the main controller in the units are good. -
Page 70: Suggested Corrective Actions
Page 68 7.2 Suggested Corrective Actions This controller is able to record information about the boiler’s condition at the time of the five previous faults or errors. Refer to the Section ‘5.10 Error Mode’ of this manual. Display Condition Diagnostic Corrective Action(s) Check wiring for short Correct wiring per wiring diagram... - Page 71 The FT Series Wall Mounted, Combination Boiler Page 69 SECTION 7. Trouble Shooting 7.2 Suggested Corrective Actions (continued) Fault Condition Diagnostic Corrective Action(s) Check all the temperature readings of the boiler on the DIAGNOSTICS Occurs when a - TEMPERATURES menu to determine temperature if any sensors are currently displayed sensor has...
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Page 72: Annual Startup And General Maintenance
Page 70 SECTION 8. Maintenance 8.1 Annual startup & general maintenance Regular Maintenance - Check the power source. Make sure that the power cord is correctly connected. The main power line is connected to - This Manual should be placed in a safe and dry the manual switch box inside a Combination boiler. - Page 73 The FT Series Wall Mounted, Combination Boiler Page 71 SECTION 8. Maintenance 8.1 Annual startup & general maintenance - Check the air vent If the air vent valve seems to work freely without seat. If the valve continues to weep, contact your leaking, replace cap “A”...
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Page 74: Flushing The Boiler
Page 72 8.2 Flushing the Combination Boiler Flushing the Heat Exchanger is a complicated procedure that should only be done by an authorized technician or licensed professional. Keep in mind that improper maintenance can void your warranty. 1. Disconnect electric power to the combination boiler. 2. -
Page 75: Draining And Cleaning
Flow Restrictor Cold Water Inlet Filter CH Return Filter FTCW140 FTCW199 6. Remove the CH (Central Heat) return filter by removing the metal pin and then pulling the filter downward. 7. Remove the Cold Water Inlet filter by removing the two small pins and then pulling the filter downward at an angle. -
Page 76: Installation Check
Page 74 Section 9 – Installation Check 9.1 Quick View 9.2 Final Check Lists Before Installing Final check : Installation Conditions. - Make sure that there is enough space for • Is the Boiler properly mounted on the wall? installing Water and gas line. •... - Page 77 The FT Series Wall Mounted, Combination Boiler Page 75 9.2 Final Check Lists (continued) Final check : Connecting the power supply • Please check that the power is 120V AC. • Have you checked the polarity of the electrical connection? Final check : Pressure relief valve •...
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Page 78: Parts List And Illustrations
LAARS Heating Systems Page 76 SECTION 10. Parts List and Illustrations FTCW140 FT1894 Kiturami Fire Tube Drawing Number List Kiturami Fire Tube Drawing Number List Initials Date Status Part Number Description KMC# IOM Ref Initials Date Status Part Number Description KMC# IOM Ref CASING... - Page 79 FT1021 Terminal Block S900140007 FT1022 Condensate Blockage, Air Pressure switch S264100062 FT1024 Kiturami Fire Tube Drawing Number List Display cover window H850150050 Mascot FT Combination Boiler Page 77 The FT Series Wall Mounted, Combination Boiler FT1025 Pressure gauge S325100028 Initials Part Number Description KMC#...
- Page 80 LAARS Heating Systems Page 78 FTCW140 Heat Exchanger & Tank 65-1...
- Page 81 9100040 FT1526 CH return pipe FT1219 CH return sensor 200030 Mascot FT Combination Boiler Page 79 The FT Series Wall Mounted, Combination Boiler FT1220 3-way valve 100155 FTCW140 9100039 FT1527 CH supply pipe Kiturami Fire Tube Drawing Number List 0320029 FT1222 Pump Initials...
- Page 82 LAARS Heating Systems Page 80 FTCW140 Blower and Gas Valve 83-1 86-1 86-2 86-3 86-2 86-4 86-5...
- Page 83 S311200026 FT1324 Temperature sensor S312100011 FT1325 Low level sensor Mascot FT Combination Boiler Page 81 S314200007 FT1327 Flame detector sensor The FT Series Wall Mounted, Combination Boiler S549100134 FT1328 Condensate trap FTCW140 S421200030 FT1329 Condensate trap hose Kiturami Fire Tube Drawing Number List S514100108 FT1330 Condensate trap connector...
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Page 84: Notes
Page 82 FTCW199 FT1894... - Page 85 The FT Series Wall Mounted, Combination Boiler Page 83 FTCW199 Kiturami Fire Tube Drawing Number List Casing Initials Date aars Part Numbe Description Description Part Number KMC# IOM Ref (Green=Shared Part, Blue=175/199 Part) FT1601 O-Ring P7 CASING FT1614 M4*8 TH+ tapping...
- Page 86 Page 84 FTCW199 DHW Assembly A1 CH Assembly A2...
- Page 87 Wall mount bracket (lower) FT1771 Intake/exhaust sealing pad FT1791 Casing ASS'Y FT1633 Wire adaptor FT1055 Wall mount bracket (top) Kiturami Fire Tube Drawing Number List FTCW199 FT1057 Wall mount bracket (lower) FT1025 Pressure gauge FT1791 Casing ASS'Y FT1633 Wire adaptor Block Ass’y...
- Page 88 Page 86 FTCW199 Heat Exchanger & Tank...
- Page 89 FT1219 CH return sensor The FT Series Wall Mounted, Combination Boiler Page 87 FT1220 3way valve FT1808 CH supply pipe FTCW199 Kiturami Fire Tube Drawing Number List FT1798 Pump (top case+bk) Heat Exchanger & Tank Initials Date Status aars Part Numbe...
- Page 90 Page 88 FTCW199 Blower and Gas Valve...
- Page 91 Igniter The FT Series Wall Mounted, Combination Boiler Page 89 FT1663 77-6 Igniter gasket FT1310 77-7 Overheat sensor FTCW199 FT1764 77-8 Burner case (bottom) FT1826 77-9 Refractory FT-175W thru FT-199W Kiturami Fire Tube Drawing Number List FT1783 Condensate trap ASS'Y...
- Page 92 Notes: For Product and Service VIDEOS Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement. 800.900.9276 • Fax 800.559.1583 Customer Service and Product Support: Industrial Way, Rochester, NH, USA 03867 1708 Document 1318F...