EconoMi$er X
Factory ---Installed Option
Low Leak Economizer
for 2 Speed SAV (Staged Air Volume) Systems
Installation, Setup & Troubleshooting Supplement
This document is a supplemental installation instruction for the factory-installed
EconoMi$er X (low leak economizer) option. It is to be used with the base unit
Installation Instructions for 48/50TC, 50TCQ, 48/50HC, and 50HCQ 2-Stage cooling
units, sizes 08 - 30. Units equipped with the EconoMi$er X option are identified by
an indicator in the unit's model number (see the unit's nameplate). Use Table 1 (on
page 2) to identify whether or not a given unit is equipped with the
factory-installed EconoMi$er X.
NOTE: Read the entire instruction manual before starting the installation.
TABLE OF CONTENTS
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SAFETY CONSIDERATIONS
1
Improper
installation,
maintenance, or use can cause explosion, fire, electrical
2
shock or other conditions which may cause personal injury
or property damage. Consult a qualified installer, service
2
agency, or your distributor or branch for information or
3
assistance. The qualified installer or agency must use
3
factory- - authorized kits or accessories when modifying this
product. Refer to the individual instructions packaged with
3
the kits or accessories when installing.
3
Follow all safety codes. Wear safety glasses and work
7
gloves. Use quenching cloths for brazing operations and
7
have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions attached to
7
the unit. Consult local building codes and appropriate
7
national electrical codes (in USA, ANSI/NFPA70, National
8
Electrical Code (NEC); in Canada, CSA C22.1) for special
requirements.
8
9
It is important to recognize safety information. This is the
safety- - alert symbol
9
unit and in instructions or manuals, be alert to the
potential for personal injury.
10
Understand the signal words DANGER, WARNING,
10
CAUTION, and NOTE. These words are used with the
10
safety- - alert symbol.
10
DANGER identifies the most serious hazards which will result
11
in severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death.
11
11
CAUTION is used to identify unsafe practices, which
may result in minor personal injury or product and
11
property damage.
adjustment,
alteration,
. When you see this symbol on the
service,
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