Lennox LGA060 User Manual

10/08
*2P1008*
504,875M
*P504875M*
LGA/LGC036, 042, 048, 060, 072
LGA/LGC090, 102, 120, 150,
LGA/LGC156, 180, 210, 240, 300S
LGA/LGC248, 300H, 360
©2006
Litho U.S.A.
504,875M
10/2008
Supersedes 1/2006
WHAT TO DO IF YOU SMELL GAS:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings ex-
actly could result in serious injury
death or property damage.
WARNING
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be per-
formed by a qualified installer, ser-
vice agency or the gas supplier.
D Do not try to light any appliance.
D Do not touch any electrical switch; do not
use any phone in your building.
D Immediately call your gas supplier from a
neighbor’s phone. Follow the gas suppli-
er’s instructions.
D If you cannot reach your gas supplier, call
the fire department.
D Extinguish any open flames.
ROOFTOP
UNITS
READ ALL INSTRUCTIONS IN THIS MANUAL
AND RETAIN FOR FUTURE REFERENCE
LGA240 SHOWN
See unit nameplate for manufacturer
and address.
FBR113270
(3, 3−1/2, 4, 5, and 6 TONS)
(7−1/2, 8-1/2, 10, and 12-1/2 TONS)
(13, 15, 17-1/2, 20, and 25 TONS)
(20, 25, and 30 TONS)
D Leave the building immediately.

Lennox LGA060 Specifications

General

Cooling Capacity (BTU/hr)	60, 000
Heating Capacity (BTU/hr)	60, 000
SEER Rating	16
Refrigerant	R-410A
Voltage	208/230
Phase	1
Compressor Type	Scroll
Sound Level (dBA)	74

Summary

Unit Identification and Safety

Model Series and Tonnage

Lists the various LGA/LGC unit models and their corresponding tonnage.

General Safety Warnings

Key warnings about fire, explosion, and injury hazards.

Gas Leak Safety Procedures

Immediate actions to take if a gas smell is detected.

Parts Arrangement Diagrams

LGA/LGC036-072 and 090-150 Parts

Diagrams showing component layout for specific model series.

LGA/LGC156-300S and 248-360 Parts

Diagrams illustrating components for larger unit models.

Unit Operation and Startup

Detailed Safety Guidelines

Comprehensive safety warnings for operation and service.

Initial Unit Startup Procedure

Step-by-step instructions for placing the unit into operation.

Turning Off Gas to Furnace

Procedure for safely shutting off the gas supply to the unit.

Maintenance and Service

Burner Flame and Flue Inspection

Guidance on inspecting burner flame and flue passages.

Routine Servicing Tasks

Procedures for filter servicing, burner cleaning, and lubrication.

Combustion Air Inducer and Flue Cleaning

Instructions for cleaning the combustion air inducer and flue box.

Service Reminders and Parts

Checks before calling service and how to order repair parts.