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II-PLACEMENT AND INSTALLATION
Make sure the unit is installed in accordance with the
installation instructions and all applicable codes. See
III-STARTUP - OPERATION
A-Preliminary and Seasonal Checks
Make sure the unit is installed in accordance with
the installation instructions and applicable codes.
condition and do not rub against the cabinet or
or TB2. Voltage must be within the range listed on
unit.
B - Cooling Start Up
IMPORTANT
I
demands according to instructions provided with
thermostat.
cooling operation.
TABLE 4
COOLING OPERATION - NO ECONOMIZER
T’Stat Compressors OD
Fans
Compr. 1 Low Both On
Both On
Both On
TABLE 5
COOLING OPERATION - WITH ECONOMIZER
T’Stat Compressors OD Fans
Compr. 1 Low Both On
Compr. 1 High Both On
Three Phase Scroll Compressor Voltage Phasing
Three phase scroll compressors must be phased
sequentially to ensure correct compressor and blower
rotation and operation. Compressor and blower are wired
Observe suction and discharge pressures and
marking.
Disconnect all remote electrical power supplies.
Do not reverse wires at
.
Make sure the connections are tight.
Discharge and suction pressures should operate at their
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