Table of Contents
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NTP6/TNESeries
Two-Stage
Upflow/Horizontal
NDP6/TDESeries
Two-Stage
Downflow
Non-condensing
Furnace
SAFETY
REQUIREMENTS
/X
Recognize safety information.
This is the safety-alert
symbol _.
When you see this symbol on the furnace and in instructions
manuals be alert to the potential for personal injury.
Understand the signal words DANGER,
WARNING, or CAUTION.
These words are used with the safety-alert
symbol.
DANGER
identifies the most serious hazards, those that will result in severe personal injury or death. WARNING signifies a hazard that could
result in personal injury or death. CAUTION is used to identify unsafe practices that could result in minor personal injury or product and
property damage.
Installing and servicing heating equipment can be hazardous due to gas and electrical components.
Only trained and qualified person-
nel should install, repair, or service heating equipment.
Untrained service personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations
must be performed by trained service personnel.
When working on heating equipment,
observe precautions in the literature, on tags,
and on labels attached to or shipped with the unit and other safety precautions that may apply.
Follow all safety codes. In the United States, follow all safety codes including the current edition National Fuel Gas Code (NFGC) NFPA
No. 54/ANSIZ223.1.
In Canada, refer tothe current edition of the National Standard Canada CAN/CGA-B149.1
- and .2-M91 Natural
Gas and Propane Installation Codes (NSCNGPIC).
Wear safety glasses and work gloves. Have fire extinguisher available during start-
up and adjustment
procedures and service calls.
These instructions cover minimum requirements
and conform to existing national standards and safety codes.
In some instances,
these instructions exceed certain local codes and ordinances,
especially those that may not have kept up with changing residential
construction
practices.
We require these instructions as a minimum for a safe installation.
Design Certified
byAGA
Manufactured
by:
International
Comfort
Products
Corporation
(USA)
Lewisburg,
TN USA 37091
Table of Contents
1. Installation...............................
2
2. Combustion & Ventilation Air .................
5
3. GasVent Installation .......................
7
4. Horizontal V enting .........................
8
5. GasSupplyand Piping ......................
9
6. ElectricalWiring ........................
8. Ductworkand Filter(Downflow).............
9. Checksand Adjustments..................
10. FurnaceMaintenance...................
lt. Sequenceof Operation& Diagncstic........
12
14
15
18
19
19
This furnace is not designed for use in mobile
homes, trailers or recreational
vehicles. Such
use could result in death, bodily injury and/or
property damage.
Printed in U.S.A.
LP1
6/4/99
441 01 2007
00
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Related Manuals for ICP NTP6/TNESeries
Summary of Contents for ICP NTP6/TNESeries
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Page 1: Table Of Contents
NTP6/TNESeries Two-Stage Upflow/Horizontal NDP6/TDESeries Two-Stage Downflow Non-condensing Furnace SAFETY REQUIREMENTS Recognize safety information. This is the safety-alert symbol _. When you see this symbol on the furnace and in instructions manuals be alert to the potential for personal injury. Understand the signal words DANGER, WARNING, or CAUTION. -
Page 2: Installation
1. Installation The U.S. Consumer Product Safety Commission recom- mends that users of gas-burning appliances install carbon Installation or repairs made unqualified monoxide detectors. There can be various sources of car- persons can result in hazards to you and others. bon monoxide in a building or dwelling. - Page 3 Have someone check t hestructure frequently during c old Location and Clearances weather tomake sureit iswarm enough t oprevent pipes from freezing. Suggest they call a qualified service agency, If furnace is a replacement, it is usually best to install the furnace ifrequired.
- Page 4 Dimensions and Clearances (NDP6/TDE) MIMUM CLEARANCES COMBUSTIBLE MATERIALS FOR ALL UNITS REAR FRONT 3" (75ram) For Service 30" (760ram) ALL SIDES Of I" (25ram) SUPPLY PLENUM SIDES VENT Single Wall Vent 6" (150mm) Type Double Wall 1" (25mm) Vent TOP OF FURNACE 6"...
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Page 5: Combustion& Ventilationair
Use a raised base if the floor is damp or wet at times. The following minimum clearances to combustibles MUST be maintained between the furnace and adjacent construction. Residential garage installations require: shown in Figure 1, ONLY the corner of the cabinet is allowed to contact the rafters Figure 3. - Page 6 When screens are used to cover openings, the openings • Hydrochloric acid. MUST be no smaller than 1/4" (6mm) mesh. • Sulfuric Acid. • Solvent cements and glues. The minimum dimension of rectangular air ducts MUST NOT • Antistatic fabric softeners for clothes dryers. be less than 3"...
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Page 7: Gasvent Installation
least 1 square inch (25mm 2) of free area per 4,000 BTUH of total Unconfined Space Installation input rating for all gas appliances in area. In unconfined spaces, infiltration should be adequate to provide air for combustion, ventilation and dilution of flue gases. However, Poison carbon monoxide gas hazard. -
Page 8: Horizontalventing
After it has been determined that each appliance vents prop- Venting and Combustion Air Check erly, return doors, windows, appliances etc. to their normal condition. NOTE: Ifthis installation removes an existing furnace from a vent- ing system serving one or more other appliances, and to make sure there is adequate combustion air for all appliances, MAKE If improper venting is observed, the... -
Page 9: Gassupplyand Piping
5. Gas Supplyand Piping Repeat steps 4 and 5 for low fire operation. When the manifold pressures are properly set, replace the adjustment screw covers on the gas valve. Fire and explosion hazard. Remove the jumper wires from the thermostat connections Natural Gas on the fan board. - Page 10 Sea Level These units may be used at full input rating when installed at alti- tudes up to 2000L When installed above 2000', the high fire input High Altitude Input Rate = Nameplate x (Multiplier) must be decreased 2% (natural) or 4% (LP) for each 1000' above Input Rate sea level.
- Page 11 iiiiiiiiiiiiiiiiii!i:i ¸I ¸I ¸I ¸I¸ili! !!!!! i ;;;;;iiiiiiiiiiiii !!!!!!!i !!;; !ii ¸ iiil; Manifold (Downflow) Bbow and short nlpple 25_22-38 25-22-3t Use black iron or steel pipe and fittings or other pipe ap- proved by local code. Carefully remove the manifold assembly. Use pipe thread compound which is resistant to natural and Remove the orifices from the manifold and replace them with LP gases.
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Page 12: Electricalwiring
• If orifices where changed, make sure they are checked for leaks. Fire or explosion hazard. • During pressure testing of gas piping system, observe the following: Liquid petroleum (LP) gas is heavier than air and a. If test pressure does not exceed 1/2" PSIG, isolate the fur- will settle and remain in low areas and open nace by closing its individual manual shutoff valve. - Page 13 Fan Control Figure Electrical Connections (Upflow/Horizontal) The fan control is preset at the factory with an adjustable blower ON delay of 30 seconds in the heating mode. The blower OFF tim- NOTE: Control is ground sensitive. ing is preset at 140 seconds. If desired, the fan ON delay and OFF NOTE: Junction Box can be mounted to either the left or delay can be reset to obtain the longest delay times while still right side.
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Page 14: Ductwork And Filter(Upflow/Horizontal)
7. Ductworkand Filter (Upflow/Horizontal) o n NTP6/TNE If separate evaporator and blower unit is used, install good sealing dampers for air flow control. Chilled air going through the furnace could cause condensation and shorten furnace Poison carbon monoxide gas hazard. life. -
Page 15: Ductworkand Filter(Downflow)
CAUTION Filters Installed on Two Sides If filters are only suitable for heating application, ad- vise homeowner that filter size may need to be in- creased if air conditioning is added. Side Return Filter Rack Filtel Filter Bottom Return When installing a bottom mounted filter rack, slide the two side filter clips to the back of the furnace BEFORE installing. - Page 16 Table 5 Subbases for Combustible Floors Dimensions Subbase for Combustible Opening ln Typical Plenum Di- Subbase for Com- Opening In Floor Base For Plenum mensions Floor Dimensions bustible Floors Part Number 14" (Furnace Only) NAHH001SB 161/4 145/8 131_ 131_ 1511/16 283/4 149/16 NAHH002SB...
- Page 17 This subbase forcombustible floors hasbeen designed sothat theheight ofthesubbase raises t hedownflow coil o ffthefloor t o Figure 22 Filter Rack Installation allow easy installation ofthecondensate drain. S ee Figure 21. Figure 20 Setting the Base Furnace Subbase Insulation Wood Floor 25-21-05C Insert end of filter rack with (19mm) flange into slot in...
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Page 18: Checksandadjustments
9. ChecksandAdjustments Startup Main Burner NOTE: Refer to startup procedures in the Users Information Burner Face Manual. CAUTION If any sparks, odors or unusual noises occur, immedi- ately shut OFF power to furnace. Check for wiring er- rors or obstruction to blower. 10-10-78 Gas Supply Pressure Gas supply pressure should be within minimum and maximum... -
Page 19: Furnacemaintenance
Refer to Furnace Wiring Diagram for location of the heating Continuous Fan Operation and cooling speed taps located on the electronic fan control as well as location of unused blower motor speed leads. Use A terminal is provided on the electronic fan control located in the the chart (Table 6 ) to determine the blower motor speed set- circulating blower compartment for operation of the continuous... - Page 20 NOTE2) Furnaces withPSC blower motors de-energize theLow Heat f anspeed during t heheat e xchanger warm-up p eriod o na call f orHeating thatoccurs d uring a Grequest. NOTE3) Heating orCooling r equests received during a Fan request cause t hefanspeed t ochange t otheappropriate heat o rcool speed a fter t heselected Fan On Delay t ime expires.
- Page 21 Gas Valve Diagnostic Codes (See Figure 26) Steady Flash = Normal Operation 2 Flashes = Low Pressure Switch Stuck Closed 3 Flashes = Low Pressure Switch Stuck Open or Manual ON/OFF Switch in OFF Position or (Aux. Limit Switch Open - Upflow ONLY) 4 Flashes = Limit Switch Open (Aux.
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