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Output:230 VAC
Output:230 VAC
Intput:230 VAC
U~V~W among
phases 0~250VAC
Input:0-5VDC
Connect to FAN
voltage among
phases 0~200VAC
Output:0-12VDC
Output:230 VACOutput:230 VAC
&%(#0/1614
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*'#6A;*'#6A;
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Y/G
Figure 42. 208/230V MLB024S4S-*P Outdoor Unit Wiring Diagram
Unit Start-Up
IMPORTANT
Units should be energized 24 hours before unit start-up
to prevent compressor damage as a result of slugging.
1. Inspect all factory- and eld-installed wiring for loose
connections.
2. Verify that the manifold gauge set is connected.
3. Add additional refrigerant charge if required before
opening valves and while system is still under a
vacuum.
4. Open the liquid and suction line service valves to
release the refrigerant charge contained in outdoor
unit into the system.
5. Replace the stem caps and tighten to the value listed
in “Table 3. Torque Requirements” on page 12.
6. Check voltage supply at the outdoor unit terminal
strip. The voltage must be within the range listed on
the unit’s nameplate. If not, do not start the equipment
until you have consulted with the power company and
the voltage condition has been corrected.
7. Refer to the included user guide to operate the system
using the provided remote control.
8. Visually check for binding of both indoor and outdoor
fans.
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