G61MPVT − 50hz / Page 2
FEATURES
CONTENTS
Blower Data Pages 12−13. . . . . . . . . . . . . . . . . . . . . . . .
Dimensions Pages 8−11. . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust Pipe Venting Information Page 6. . . . . . . . . .
Features and Options Pages 2−4. . . . . . . . . . . . . . . . . . .
Filter Air Resistance Page 7. . . . . . . . . . . . . . . . . . . . . .
Installation Clearances Page 7. . . . . . . . . . . . . . . . . . . .
Model Number Identification Page 1. . . . . . . . . . . . . . .
Optional Accessories Selection Table Page 5. . . . . . .
Specifications Page 5. . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARRANTY
Duralok Plus
®
Aluminized Steel Heat Exchanger − Ten
year limited warranty in residential applications, five
year limited warranty in non−residential applications.
All other covered components − Five years limited
warranty in residential applications, two year limited
warranty in non−residential applications.
Refer to Lennox Equipment Limited Warranty certificate
included with equipment for details.
APPROVALS
Australian Gas Association approval.
Blower data from unit tests conducted in Lennox
Laboratory air test chamber.
E
NERGY STAR
®
(US Department of Energy) certified
units are designed to use less energy, help save money
on utility bills, and help protect the environment
ISO 9001 Registered Manufacturing Quality System.
APPLICATIONS
Input capacities of 69.6, 92.8, 116.1 and 139.3 Mj/h
Australian Gas Association Rating − 5.3 Stars
Compact cabinet for up−flow, down−flow, horizontal−left
or horizontal−right applications without any internal
modifications to the unit.
G61MPVT−60D−135 can only be installed in
horizontal−right or down−flow applications.
Lennox add-on indoor coils, high−efficiency air cleaners
and humidifiers can easily be added to furnace.
Shipped factory assembled with all controls installed
and wired.
Each unit factory test operated to ensure proper
operation.
DIRECT VENT / NON−DIRECT VENT
Furnace can be installed in either Direct Vent or
Non−Direct applications. G61MPVT−60D−135 can only
be installed in direct vent applications.
In Direct Vent applications, combustion air is supplied
from outdoors and flue gases are discharged outdoors.
In Non−Direct Vent applications, combustion air is
supplied from indoors and flue gases are discharged
outdoors.
OPTIONS
Termination Kits
Facilitates installation of combustion air intake pipe and
flue exhaust pipe.
Refer to venting table in this bulletin to determine pipe
size needed and proper termination kit required.
See Specifications table and dimension drawings.
Termination Kit − Concentric − Direct Vent
Applications Only
50 or 80 mm (2 or 3 inch) kit contains concentric
termination assembly, reducer bushing and 45 degree
elbow.
50 mm (2 inch) kit for −070 models contains an exhaust
accelerator.
Kit requires single hole penetration of roof or wall for
installation.
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HEATING SYSTEM
Lennox Duralok Plus
®
Heat Exchanger Assembly
Lennox developed heat exchanger assembly consists
of primary heat exchanger and secondary condenser
coil assembly.
Main 3-pass clamshell type heat exchanger constructed
of heavy−gauge, aluminized steel.
Designed for normal expansion and contraction.
Crimped seam design and construction provides
maximum efficiency and minimum resistance to airflow.
Secondary heat exchanger condenser coil constructed
of aluminum fins fitted to stainless steel tubes.
Coil is factory tested for leaks.
Condensate drain header box assembly located on
front of coil.
Compact size of complete heat exchanger assembly
permits low overall design of furnace cabinet.
All components mounted in a heavy−gauge steel frame.
Heat exchanger assembly has been laboratory life cycle
tested.
Lennox Designed Header Box
Header box on end of condenser coil collects flue
condensate for disposal through condensate collars.
Hose connects the header box drains to the condensate
collars.
The condensate collars are located on each side of the
cabinet for easy field installation of condensate drain
trap. Only one collar is used, the remainder stay
plugged.
Condensate drain trap is included with the unit for field
installation.
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