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Lenoxx G1D91BT, Руководство по установке

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506305-01

Page  25  of  36

Issue 0938

Thermostat

Install a room thermostat according to the instructions
furnished with it.  Select a location on an inside wall that is
not subject to drafts, direct sunshine, or other heat sources.
The initial heat anticipator setting should be equal to the
total current draw of the control circuit.

Low voltage thermostat connections are to be made to the
integrated ignition/blower control board as indicated on the
wiring diagram.

Humidifier

Terminals are provided on the integrated ignition/blower control
board for connection to a 120-volt humidifier.  The “HUM” terminal
is energized whenever the thermostat calls for heat.  Refer to furnace
wiring diagram for specific connection information.

Continuous Low Speed Blower

If continuous blower operation on low speed is desired,
connect the lowest speed motor tap to the “CONT” terminal
on the integrated ignition/blower control board (refer to the
furnace wiring diagram.)  The blower will operate on low
speed whenever main power is connected to the furnace,
except when it operates on heating or cooling speed during
thermostat call for heat or cooling. 

 This constant air

terminal is intended for low speed only. 

 If a motor is

wired for a higher speed, the increased amp draw could
cause the control board to fail and void the warranty.

Electronic Air Cleaner

Terminals are provided on the integrated ignition/blower
control board for connection of a 120-volt electronic air
cleaner.  The “EAC” terminal is energized whenever the
thermostat is calling for heat, cooling, or continuous blower.
Refer to the furnace wiring diagram for specific connection
information.

Twinning

The integrated ignition/blower control board is designed to
permit “twinning” of furnaces (two furnaces connected to a
common supply and return air system, and controlled by
one thermostat).  An accessory kit must be ordered from
the manufacturer.  Specific wiring and operating instructions
are included with the kit.

Each furnace must have its own dedicated vent system.

Filter Rack Mounting Hole

Screw

Filter Rack

Corner Embossments

Front of Cabinet

Filter Rack Installation

Figure 36

Bottom Filter Location

Upflow Models

Figure 37

Filter

Base

Side

Содержание G1D91BT

Страница 1: ...a and any state or provincial laws local ordinances including plumbing or wastewater codes or local gas utility requirements Local authorities having jurisdiction should be consulted before installation is made Such applicable regulations or requirements take precedence over the general instructions in this manual WARNING This furnace is not approved for installation in a mobile home Do not instal...

Страница 2: ...ping beginning on page 22 of these instructions IMPORTANT SAFETY INFORMATION 7 Always install furnace to operate within the furnace s intended temperature rise range with a duct system which has an external static pressure within the allowable range as specified in Temperature Rise on page 28 of these instructions See furnace rating plate 8 When a furnace is installed so that the supply ducts carr...

Страница 3: ...ment of another appliance such as a water heater Agas fired furnace for installation in a residential garage must be installed so the burner s and the ignition source are located not less than 18 above the floor The furnace is to be located or protected to avoid physical damage by vehicles This furnace is not recommended to be used as a construction heater during any phase of construction Very low...

Страница 4: ...st be kept free and clear of insulating materials Clearances All servicing and cleaning of the furnace can be performed from the front If installed in a closet or utility room provide 18 clearance in front for service if the door to the room is not in line with the front of the furnace Refer to Table 1 for the minimum clearances to combustibles required for construction and proper unit operation A...

Страница 5: ...e to chemical exposures Commercial buildings Buildings with indoor pools Furnaces installed in laundry rooms Furnaces installed in hobby or craft rooms Furnaces installed near chemical storage areas 5 Exposure to the following substances in the combustion air supply may also require outdoor air for combustion Permanent wave solutions Chlorinated waxes and cleaners Chlorine based swimming pool chem...

Страница 6: ... coupler or 90 elbow to the end of the PVC pipe to keep the restrictor plate in place Use high temperature RTV sealant to attach the coupler or elbow to PVC pipe Restrictor plate in elbow Insert a 3 to 36 section of PVC pipe field supplied into the collar Use high temperature RTV sealant to attach PVC pipe to collar Attach a 90 elbow field supplied to the PVC pipe Use hightemperatureRTVsealanttoat...

Страница 7: ... 31 for correct kit is available for use when installing this furnace as a direct vent furnace and the air intake and vent pipe are to be run through the same hole whether horizontally through the wall or vertically through the roof see Figure 3 Refer to the instructions included with the concentric vent kit for installation specifics Vent Pipe Size and Length The vent pipe and air intake pipe in ...

Страница 8: ...2 5 2 5 2 5 2 5 2 5 2 5 3 3 3 2 5 2 2 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 3 3 3 3 3 NR NR NR NR NR NR 0 1 2 3 4 5 6 7 8 9 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Vent Pipe Length ft Number of 90 Elbows 5 10 20 30 40 50 60 70 80 90 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 NR NR NR 2 NR 2 2...

Страница 9: ...two single family dwellings and serves both dwellings Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor For clearances not specified in ANSI Z223 1 NFPA 54 or CSA B149 1 the following statement shall be included Clearance in accordance with local installation codes and the requirements of the gas supplier and the manufacturer s installation i...

Страница 10: ...en two single family dwellings and serves both dwellings Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor For clearances not specified in ANSI Z223 1 NFPA 54 or CSA B149 1 the following statement shall be included Clearance in accordance with local installation codes and the requirements of the gas supplier and the manufacturer s installatio...

Страница 11: ...ed at the termination of the flue pipe and is designed to keep objects out of the flue pipe An additional screen should not be placed in the intake termination If a screen is installed the air intake may freeze shut For horizontal venting refer to Figure 7 For vertical venting refer to Figure 8 It is permissible to run the vent vertically through the roof and terminate it as shown in Figure 8 and ...

Страница 12: ...t the termination of the flue pipe and is designed to keep objects out of the flue pipe For horizontal venting refer to Figure 9 For vertical venting refer to Figure 10 The vent pipe on horizontal runs must slope upward away from the furnace at a minimum pitch of 1 4 per foot of run to prevent accumulation of condensate Prime the trap system by slowly pouring 1 cup of water down the vent pipe On i...

Страница 13: ...termination of the flue pipe and is designed to keep objects out of the flue pipe An additional screen should not be placed in the intake termination If a screen is installed the air intake may freeze shut For horizontal venting refer to Figure 11 For vertical venting refer to Figure 12 It is permissible to run the vent vertically through the roof and terminate it as shown in Figure 12 and to run ...

Страница 14: ... the combustion blower and cause noise G1D91BT G1D93BT Horizontal Models Direct Vent Installation An inlet air restrictor plate see Figure 2 on page 5 is supplied with this furnace and can be found in the plastic bag containing theseInstallationInstructionsandtheUser sInformationManual This restrictor plate is to be used only in non direct vent applications See pages 5 and 6 for more information o...

Страница 15: ...to the connector on burner box Use high temperature RTV silicone sealant so intake pipe can be removed if service is required In horizontal venting applications the vent and air intake pipe must be installed on the same side of the house within the parameters shown in Figure 15 Figure 16 Horizontal Direct Vent Vertical Venting G1D91BT G1D93BT Only Airflow Left to Right Canadian Installations See C...

Страница 16: ...irflow Right to Left Prime the trap system by slowly pouring 1 cup of water down the vent pipe On initial start up of the unit some of the water used to prime the trap system may run down into the combustion blower and cause noise G1D91BT G1D93BT Horizontal Models Non Direct Vent Installation An inlet air restrictor plate see Figure 2 on page 5 is supplied with this furnace and can be found in the...

Страница 17: ...orizontal pitch as required in the National Fuel Gas Code ANSI Z223 1 NFPA54 latest edition or the CSA B149 1 Natural Gas and Propane Installation Codes and these instructions Determine that there is no blockage or restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3 As far as practical close all building doors and windows between the space in which the appli...

Страница 18: ...n Using 3 4 PVC pipe make a connection from the adapter just installed to extend just outside the unit Install a 3 4 PVC tee as shown in Figure 21 From the tee install the drain to the disposal area The top of the tee must be left open for proper condensate drainage Horizontal Installation Right to Left Airflow Furnace must be mounted such that the side through which the condensate will drain is e...

Страница 19: ...oor Install unit at a slight pitch forward see Figure 26 1 Relocate 1 2 NPT plug installed on flue pan to one side of the internal trap assembly as shown in Figure 27 2 Connect the 1 2 NPT plug supplied to the opposite side of the internal trap assembly from the plug installed in Step 1 3 Insert trap assembly supplied into flue pan see Figure 28 4 Connect a length of 3 4 PVC pipe 3 minimum to the ...

Страница 20: ... 10 drain pressure switch and the other end shipped loose FOR UPFLOW INSTALLATIONS the loose end is to be connected to the capped tee in the hose assembly leading from the primary pressure switch to the inducer Remove and discard the plastic cap from the tee and connect the hose from the 0 10 drain pressure switch to the tee See Figure 31 Figure 29 Completing Condensate Drain Installation Be sure ...

Страница 21: ... loose end MUST be connected to the external drain trap Route hose through gas line access hole in cabinet Then connect to 1 4 barbed fitting on drain trap assembly For right to left airflow installations see Figure 32 For left to right airflow installations see Figure 33 Be sure that the pressure switch hose does not form a trap to hold condensation that could form from the flue gas Hose may be c...

Страница 22: ...he furnace A return air duct system is recommended If the unit is installed in a confined space or closet a return connection must be run full size to a location outside the closet The air duct in the closet must be tight to prevent any entrance of air from the closet into the circulating air If there is no complete return air duct system the return air connection must be sealed to the furnace cas...

Страница 23: ...ing system at test pressure equal to or less than 1 2 psig 3 5 kPa or 14 W C If the piping system is to be tested at pressures in excess of 1 2 psig 3 5 kPa the furnace and its appliance main gas valve must be disconnected from the gas supply piping system After gas piping is complete carefully check all piping connections factory and field for gas leaks Use a leak detecting solution or other pref...

Страница 24: ...led between the return air duct and the side of the furnace Refer to Figure 36 and the following instructions to install the filter rack 1 Using the corner embossments as a guide mark and cut a full size opening in the side panel s Risk of electrical shock Disconnect electrical power at the circuit breaker or service panel before making electrical connections Failure to disconnect power supplies c...

Страница 25: ...power is connected to the furnace except when it operates on heating or cooling speed during thermostat call for heat or cooling This constant air terminal is intended for low speed only If a motor is wired for a higher speed the increased amp draw could cause the control board to fail and void the warranty Electronic Air Cleaner Terminals are provided on the integrated ignition blower control boa...

Страница 26: ...e floor because some gas is heavier than air and will settle on the floor What to do if you smell gas Do not try to light any appliances Extinguish any open flame Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Do no...

Страница 27: ... cooling fan speed If the fan is already energized it remains running and does not de energize for the 1 second cooling fan on delay The call for cooling has priority over continuous fan operation while a call for heating has priority over both a call for cooling or continuous fan Ignition lockouts for any reason do not affect cooling operation As cooling demand is met the thermostat de energizes ...

Страница 28: ...ing Value The heating value of the gas can be obtained from the local utility company For Propane Gas The only check for the furnace rate is to properly adjust the manifold pressure using a manometer and Table 4 on page 29 Typical manifold set point for installations at altitudes from 0 to 4500 feet above sea level is 10 0 W C Temperature Rise Check the temperature rise and if necessary adjust blo...

Страница 29: ...nstallations above 7500 feet refer to the latest issue of the National Fuel Gas Code and or contact Technical Service at 1 800 448 5872 For installations above 4500 feet fill in the appropiate information on the furnace label that has the words This furnace was converted on For installation above 4 000 ft refer to section Vent Pipe Size and Length on page 7 and Figure 4 on page 8 vent pipe sizing ...

Страница 30: ...sewer opening If the condensate drain line becomes blocked or plugged the furnace will not operate properly MAINTENANCE Burners Light the burners and allow to operate for a few minutes to establish normal burning conditions Observe the burner flames Compare this observation to Figure 39 to determine if proper flame adjustment is present Flame should be predominantly blue in color and strong in app...

Страница 31: ...Applications only For Canadian Application use IPEX Kit 196005 locally available For a local IPEX Canadian Customer Service Center and kit availability call IPEX at 1 866 473 9462 The following repair parts are available from the local distributor When ordering parts include the complete furnace model number and serial number which are printed on the rating plate located on the furnace Control Gro...

Страница 32: ...operation The furnace has a built in self diagnostic capability If a system problem occurs a fault code is shown by an LED on the control board The control continuously monitors its own operation and the operation of the system If a failure occurs the LED will indicate the failure code The flash codes are presented in Table 5 Fault Code History Button The control stores the last five fault codes i...

Страница 33: ...C HUM THERMOSTAT SUB BASE HEAT ANTICIPATOR 60 AMP CONDENSER CIRCULATION BLOWER INTERLOCK SWITCH INDUCED DRAFT BLOWER AUX LIMIT LOW VOLTAGE FIELD LOW VOLTAGE FACTORY LINE VOLTAGE FIELD LINE VOLTAGE FACTORY FAULT CODE HISTORY BUTTON SEE NOTE 1 VLT PRESSURE SWITCH IF USED S1 P1 S2 P2 1 HISTORY BUTTON TO DISPLAY FAULT CODES TO ERASE CODES PRESS AND HOLD BUTTON IN FOR MORE THAN 5 SECONDS PRESS AND RELE...

Страница 34: ...506305 01 Page 34 of 36 Issue 0938 Figure 41 Schematic Diagram P N 45198 006 ...

Страница 35: ...ision can not be met at the time of completion of installaiton the owner shall have a period of thirty 30 days to comply with the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed 2 APPROVED CARBON MONOXIDE DETECTORS Each carbon monoxide detector as required in accordance with the above provisions ...

Страница 36: ...ollowing requirements shall be satisfied by the manufacturer 1 The identification of each special venting system shall include the listing of either the website phone number or manufacturer s address where the venting system installation instructions can be obtained and 2 The special venting systems shall be Product Approved by the Board and the instructions for provided with that system shall inc...

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