Lennox 10ACE Series Installation Instructions Manual

E2006 Lennox Industries Inc.
Dallas, Texas, USA
WARNING
Improper installation, adjustment, alteration, ser-
vice or maintenance can cause personal injury, loss
of life, or damage to property.
Installation and service must be performed by a
qualified installer or service agency.
IMPORTANT
The Clean Air Act of 1990 bans the intentional vent-
ing of refrigerant (CFC's and HCFC's) as of July 1,
1992. Approved methods of recovery, recycling or
reclaiming must be followed. Fines and/or incar-
ceration may be levied for noncompliance.
WARNING
This product and/or the indoor unit it is matched
with may contain fiberglass wool.
Disturbing the insulation during installation, main-
tenance, or repair will expose you to fiberglass wool
dust. Breathing this may cause lung cancer. (Fiber-
glass wool is known to the State of California to
cause cancer.)
Fiberglass wool may also cause respiratory, skin,
and eye irritation.
To reduce exposure to this substance or for further
information, consult material safety data sheets
available from address shown below, or contact
your supervisor.
Lennox Industries Inc.
P.O. Box 799900
Dallas, TX 75379−9900
03/06
*2P0306*
INSTALLATION
INSTRUCTIONS
10ACE Series Units
CONDENSER UNITS
505,128M
03/06
Supersedes 01/06

Table of Contents

10ACE Outdoor Units
Shipping & Packing List
General Information
Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refrigerant Piping
Refrigerant Metering Devices
Manifold Gauge Set
Service Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leak Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Evacuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start−Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refrigerant Charging
System Operation
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Accessories
Start−Up & Performance Check List
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
Physical contact with metal edges and corners
while applying excessive force or rapid motion can
result in personal injury. Be aware of, and use
caution when working near these areas during
installation or while servicing this equipment.

10ACE Outdoor Units

®
Lennox Merit 10ACE outdoor units are designed for use
in either fixed orifice or expansion valve (TXV) systems.
The TXV may require a field−installed hard start kit. Refer
to the Lennox Engineering Handbook for expansion valve
kits which must be ordered separately.
Shipping & Packing List
1 − Assembled outdoor unit
1 − Fixed orifice refrigerant metering device
Check the unit for shipping damage. Consult last carrier
immediately if damage is found.
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CAUTION
505,128M
*P505128M*
Litho U.S.A.
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