Table of Contents
Advertisement
Installation and Operation Instructions
Installation and Operation Instructions for
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler 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. For indoor installations, as an additional
measure of safety, NATCO strongly recommends installation of suitable Carbon Monoxide detectors in the
vicinity of this appliance and in any adjacent occupied spaces.
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.
H2XXXXXXX-
WARNING
Fire Coil 85
Hydronic Boiler
Model F85H
Volume Water Heater
Model F85V
Sizes 500–2000 MBTU/h
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 inflammables 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 vous trouvez.
• 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 1241
Advertisement
Table of Contents
Related Manuals for Natco Fire Coil 85
Summary of Contents for Natco Fire Coil 85
- Page 1 Improper installation and/or operation will void the warranty. For indoor installations, as an additional measure of safety, NATCO strongly recommends installation of suitable Carbon Monoxide detectors in the vicinity of this appliance and in any adjacent occupied spaces.
-
Page 2: Table Of Contents
SECTION 2. Venting and Combustion Air 6.6.2 High Altitude Adjustment and Set Up ....28 Combustion Air ........... 7 Shutting Down the Fire Coil 85 ......29 2.1.1 Combustion Air From Room ....... 7 To Restart the Fire Coil 85 ....... 29 2.1.2 Intake Combustion Air ........ -
Page 3: Section 1. General Information
AHJ. WARNING All electrical wiring is to be done in accordance with: The Fire Coil 85 hydronic boiler or water heater must 1). In the U.S., the "National Electrical Code" be installed in accordance with the procedures (NEC), ANSI/NFPA 70, latest Edition and all applicable detailed in this manual, or the National Combustion Co. -
Page 4: Warranty
H = Pump mounted F85V, hard water pump N = Pump mounted (any), normal water pump For best results, a pump-mounted Fire Coil 85 S = Pump mounted F85V, soft water pump water heater should be located within 15 feet (4.6m) of the storage tank(s). -
Page 5: To 0Return/Supply Header
Consult Respect to Return/Supply Header the factory for assistance. For the best results, a pump-mounted Fire Coil 85 Boiler should be located within 15 feet (4.6m) of the 1.8 Locating Appliance for Correct supply and return headers. - Page 6 National Combustion Co., Inc. Page 6 Vent Conn. Conn. Size 33¾ 16¾ 6½ 10 25 46¼ 45¾ 22¾ 6½ 10 25 9½ 24 58¼ 10 25 1000 57¾ 28¾ 6½ 10 25 9½ 24 70¼ 10 25 1250 68¼ 34¼ 10¼...
-
Page 7: Section 2. Venting And Combustion Air
(vertical) vent systems. confined space. NOTE: When located on the same wall, the Fire Coil 85 Other methods of introducing combustion and combustion air intake terminal must be installed a minimum ventilation air are acceptable, providing they conform to of 12"... -
Page 8: Venting
If safe operation of The Fire Coil 85 loses less than 1 percent of its input all appliances connected to a common vent cannot be rating to the room, but other heat sources may be present. -
Page 9: Category Iii Vent
When possible, locations If the Fire Coil 85 is side-wall vented to the same under windows or near doors should be avoided. wall, locate the vent terminal at least 3 feet (0.9m) - Page 10 National Combustion Co., Inc. Page 10 U.S. Installations (see note 1) Canadian Installations (see note 2) A= Clearance above grade, veranda, porch, 12 inches (30 cm) 12 inches (30 cm) deck, or balcony B= Clearance to window or door that may be 4 feet (1.2 m) below or to side of opening;...
-
Page 11: Vertical Combustion Air Terminal
Manufacturers' websites where venting system installation on each additional level of the dwelling, building or structure instructions may be obtained is located on the NATCO website served by the side wall horizontal vented gas fueled equipment. at: http://www.National Combustion.com. -
Page 12: Vent Terminals For Outdoor Units
After it has been determined that each appliance Fire Coil 85’s gas train allows the user to pipe the remaining connected to the common venting system gas from either the right side or the left side of the unit. -
Page 13: Section 4A. Water Connections - Boiler
Fire Coil 85 appliances are equipped to operate at elevations NOTE: The Fire Coil 85 appliance and all other gas up to 10,000 feet (3050m). Fire Coil 85 appliances appliances sharing the gas supply line must be firing at... -
Page 14: Cold Water Make-Up - Boiler
It is recommended that padding be used when rigid hangers are installed. established based on the fluid temperature rise for this The Fire Coil 85 can be used with several different specific size boiler. Pump-mounted boilers can be ordered for use in types of readily available storage tanks. -
Page 15: Hot Water Supply Piping - Water Heater
4B.5 Freeze Protection – Water Heater If the Fire Coil 85 water heater is installed in a closed water supply system, such as one having a Although Fire Coil 85 water heaters are design-... - Page 16 National Combustion Co., Inc. Page 16 Figure 6. Hydronic Piping — Multiple Boilers, Primary Secondary System. Figure 7. Hydronic Piping — Multiple Boilers, Low Temperature System.
- Page 17 Fire Coil 85 (500-2000) Page 17 Figure 8. Hydronic Piping — One Boiler, Multi-Temperature System. Figure 9. Hydronic Piping - Primary-Secondary, Reverse-Return.
- Page 18 National Combustion Co., Inc. Page 18 Figure 10. Hydronic Piping - Primary-Secondary, Reverse-Return, Low Temperature. Figure 11. Water Heater Piping — One Heater, One Tank.
- Page 19 Fire Coil 85 (500-2000) Page 19 Figure 12. Water Heater Piping — Multiple Heaters, One Tank. Figure 13. Water Heater Piping — One Heater, Multiple Tanks.
- Page 20 National Combustion Co., Inc. Page 20 Figure 14. Water Heater Piping — Multiple Heaters, Multiple Tanks. Temp Rise °F Temp Rise °C Unit Size 16 10 1000 21 14 1250 17 17 1500 21 21 1750 24 24 2000 10.0 10.0 10.0 17 17...
-
Page 21: Main Power
3 and 4 and wire the device in series 5.1 Main Power across these terminals. These terminals are located in The Fire Coil 85 main power requires a 120-volt the upper main control panel. External Control Wiring: These terminals are fused supply that is connected to the “main power”... - Page 22 National Combustion Co., Inc. Page 22 Figure 17. Fire Coil 85 (1000) Wiring Diagram. Figure 18. Fire Coil 85 (1250–2000) Wiring Diagram.
- Page 23 Fire Coil 85 (500-2000) Page 23 Figure 19. Fire Coil 85 (500–750) Connection Diagram.
- Page 24 National Combustion Co., Inc. Page 24 Figure 20. Fire Coil 85 (1000) Connection Diagram.
- Page 25 Fire Coil 85 (500-2000) Page 25 Figure 21. Fire Coil 85 (1250–2000) Connection Diagram.
-
Page 26: External Staging Control Wiring
"Remote" position for the external controller to been set to. Fire Coil 85 sizes 1,000-2,000 have two manage the staging. ignition controls that control the individual stages. If one... -
Page 27: Operating Temperature Control
3.6°F to 12°F (2.0°C to 6.7°C); 55°F to 175°F (13°C to 79°C) models. 6.3 Operating Temperature Control All Fire Coil 85's are equipped with a two-stage 2 Two DPDT switches operate in sequence. Each switch aquastat. To utilize this mounted controller be sure to differential is fixed at approximately 3°F (1.7°C) on standard models,... -
Page 28: Operating The Burner And Set Up
During initial start Start the adjustment process by checking the CO up, air in the gas line may cause the Fire Coil 85 to in the “as installed” condition. Adjust the air shutter(s) "lock out" during the first few trials for ignition. -
Page 29: Shutting Down The Fire Coil 85
Switch off the main electrical disconnect switch. material, and re-assemble. Close all manual gas valves. If freezing is anticipated, drain the Fire Coil 85 and be 7.2 Appliance Maintenance and sure to also protect building piping from freezing. Component Description This step to be performed by a qualified service Only genuine NATCO replacement parts should be used. -
Page 30: Filter
The combustion air blowers bring the combustion appliance. Remove the cover from the switch to access air for the Fire Coil 85 from the upper chamber to the the mounting screws. Remove the screws, and pull the lower chamber. Mixing of the gas and air occurs in the switch off the control panel. -
Page 31: Heat Exchanger Coil
Scale can build up on the inner surface of the heat exchanger tubes, which can restrict water The Fire Coil 85 has a pre-mixed burner system. flow. If the tubes show signs of scaling, clean the These systems provide the burners with sufficient air for internal surface. -
Page 32: Short Cycling - Boiler
Because the Fire Coil 85 is a stage- fired water heater and its input will reduce when there is a reduction in heating load, short cycling is greatly reduced. - Page 33 Fire Coil 85 (500-2000) Page 33...
- Page 34 National Combustion Co., Inc. Page 34...
- Page 35 Fire Coil 85 (500-2000) Page 35...
- Page 36 National Combustion Co., Inc. Page 36...
- Page 37 Fire Coil 85 (500-2000) Page 37 Figure 23. Sheet Metal Components.
- Page 38 National Combustion Co., Inc. Page 38 Figure 24. Internal Components...
- Page 39 Fire Coil 85 (500-2000) Page 39 Fire Coil 85 Water Heater Fire Coil 85 Hydronic Boiler Size Pump p/n Size Pump p/n Soft Water Normal Water Hard Water A2001700 A2001700 A2001700 A2001900 A2001700 A2001700 A2001700 A2001900 1000 A2001800 1000 A2001700...
- Page 40 National Combustion Co. Company reserves the right to change specifications, components, features, or to discontinue products without notice. Ph: 1-888-OK-NATCO • Fax: 718-291-6870 (Customer Service, Applications, Technical Service) 104-11 180th Street, Jamaica, NY 11433 • 718-291-6870 email: sales@nationalcombustion.com • www.nationalcombustion.com Litho in U.S.A. © NATCO Heating Systems 1012 Document 1241...