AIR COOLED SCROLL CHILLER INSTALLATION
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8 ANTIFREEZE
The units can operate with a leaving chilled fluid temperature from of 42℉ to 60℉(5℃～16℃).A
glycol solution is required when leaving chilled fluid temperature is below 4.5℃. The use of
glycol will reduce the performance of the unit depending on concentration.
% by Weight 10 20 30 40 50
Freezing Point℃（℉） -3.3(26) -7.8(18) -13.9(7) -21.7(-7) -33.3(-29)
Ambient Temperature℃（℉） 8.3(47) -1.7(29) -6.7(20) -16.7(2) -26.7(-16)
Cooling Capacity Correction
Factor
0.998 0.993 0.987 0.980 0.973
Water Flow Correction Factor 1.036 1.060 1.092 1.132 1.182
Pressure Drop Correction Factor 1.07 1.10 1.18 1.24 1.30
9 ELECTRIC WIRING WORK
9.1 Wiring Principle
1）General
All leading wires, joints of them, equipments and wirings at field must accord with
various applicable regulations and requirements.
All wiring work at field must be performed by the certificated personnel.
Wiring work must be performed after cutting off power supply.
The installing personnel shall be responsible for any damage resulted from incorrect
connection of external wirings.
Warning---copper leading wire must be used.
2）Connect power cord into electric box of unit
Circuit breaker must be installed in the external electric cabinet of unit to cut off power
of the electric box in the unit.
The power cord should be laid out through the trunking, spool or cable trench.
Rubber or plastic must be used for protection of power cord connected into electric box
in the unit to avoid scratch by sheet metal edge.
The power cord close to electric cabinet of unit must be fixed reliably to protect power
terminal of electric box.
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