48TC**04 --- 16
Nominal 3 to 15 Tons
with Puron (R---410A) Refrigerant
Service and Maintenance Instructions
TABLE OF CONTENTS
FAN WITH VARIABLE FREQUENCY
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10
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13
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16
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21
34
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36
37
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43
44
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45
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62
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62
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64
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78
87
87
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90
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90
1
3
3
6
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7
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment
can be hazardous due to system pressure and electrical
8
components. Only trained and qualified service personnel
should
install,
repair,
equipment. Untrained personnel can perform the basic
maintenance functions of replacing filters. Trained service
personnel should perform all other operations.
When working on air-conditioning equipment, observe
precautions in the literature, tags and labels attached to
the unit, and other safety precautions that can apply.
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloth for unbrazing operations.
Have fire extinguishers available for all brazing
operations.
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloth for brazing operations. Have
fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions attached to
the unit. Consult local building codes and National
Electrical Code (NEC) for special requirements.
Recognize safety information. This is the safety- - ALERT
symbol
. When you see this symbol on the unit and in
instructions or manuals, be aware of the potential for
physical injury hazards.
Understand the signal words DANGER, WARNING, and
CAUTION.
These
safety- - ALERT symbol. DANGER indicates a hazardous
situation which, if not avoided, will result in death or
severe personal injury. WARNING indicates a hazardous
situation which, if not avoided, could result in death or
personal injury. CAUTION indicates a hazardous
situation which, if not avoided, could result in minor to
moderate injury or product and property damage.
NOTICE is used to address practices not related to
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or
service
air-conditioning
words
are
used
with
90
91
97
111
149
151
the