TheG61MPVgasfurnaceisequippedwitha two-stage,
variablespeedintegratedcontrol.Thiscontrolensures
compatibilitywithLennox'HarmonyIIIzonecontrolsys-
tem,aswellasathermostatwhichprovideshumiditycon-
trol.EachG61MPVisshippedreadyforinstallationinthe
upfiow,downflow,horizontalleftairdischargeorhorizontal
rightairdischargeposition.Thefurnaceisshippedwiththe
bottompanelinplace.Thebottompanelmustberemoved
iftheunitistobeinstalledinupflowapplicationswithbot-
tomreturnair.Thebottompanelmustalsoberemovedand
discardedinalldownfioworhorizontalapplications.
Thefurnaceisequippedforinstallationinnaturalgasap-
plications.A conversionkit(orderedseparately)isrequired
foruseinpropane/LPgasapplications.
The G61MPV can be installed as either a Direct Vent or
a Non-Direct Vent gas central furnace.
NOTE - In Direct Vent installations, combustion air is taken
from outdoors and flue gases are discharged outdoors. In
Non-Direct Vent installations, combustion air is taken from
indoors and flue gases are discharged outdoors. See fig-
ure 2 for appfications involving roof termination.
DIRECT VENT INSTALLATION
COMBUSTION
EXHAUST
AIR INTAKE
OUTLET
OUTSIDE OF
HOUSE _
CONDENSATE
DRAIN"_
I
FIGURE 2
NON-DIRECT VENT
INSTALLATION
EXHAUST
OUTLET
COMBUSTION
AIR INTAKE INSIDE
OF HOUSE
CONDENSATE
DRAIN
Package 1 of 1 contains
1 - Assembled G61MPV unit
1 - Bag assembly containing the following:
3 - Screws
3 -Wire nuts
1 - Snap bushing
1 - Snap plug
1 - Wire tie
1 - Condensate trap
1 - Condensate trap cap
2 -2" diameter vent / intake plugs
1 -3" diameter cabinet plug (intake)
1 - 2" diameter debris screen
1 -Logo sticker (for use in downfiow applications)
NOTE - G61MPV-60C-110 and-111 units also include a 2"
diameter ABS street elbow, which is shipped on the blower
deck in the heating compartment. G61MPV-60D-135 units
are shipped with a 3" to 2" ABS reducing elbow.
The following items may also be ordered separately:
1- Thermostat
1 - Propane/LP changeover kit
Check equipment for shipping damage. If you find any
damage, immediately contact the last carrier.
&WARNING
a,CAUTION
Use only the type of gas approved for use with this furnace.
Refer to unit nameplate.
G61MPV units are CSA International certified to ANSI
Z21.47 and CSA 2.3 standards.
In the USA, installation of gas furnaces must conform with
local building codes. In the absence of local codes, units
must be installed according to the current National Fuel
Gas Code (ANSI-Z223.1/NFPA 54). The National Fuel
Gas Code is available from the following address:
American National Standards Institute, Inc.
11 West 42nd Street
New York, NY 10036
In Canada, installation must conform with current National
Standard of Canada CSA-B149 Natural Gas and Propane
Installation Codes, local plumbing or waste water codes
and other applicable local codes.
In order to ensure proper unit operation in non-direct vent
applications, combustion and ventilation air supply must be
provided according to the current National Fuel Gas Code
or CSA-B149 standard.
This furnace is CSA International certified for installation
clearances to combustible material as listed on the unit
nameplate and in the tables in figures 7, 12 and 16. Acces-
sibility and service clearances must take precedence over
fire protection clearances.
NOTE- For installation on combustible floors, the furnace
shall not be installed directly on carpeting, tile, or other
combustible material other than wood flooring.
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