Samsung Electronics 276
Key Options
5. Shut off power to the outdoor unit.
6. Connect field-supplied wires between the outdoor unit circuit board at CN1 and the 3-wire fe
male connector.
Secure the wires in the connector with a small screw driver.
7. Attach the 3-wire female connector to the 3-wire male connector.
8. Connec
t the plug end of the wiring harness to the Mode Select Switch.
9. Re-assemble the Mode Select Switch (refer to Figure 1).
10.Restore power
to the outdoor unit.
<Figure 3. Connecting the Mode Select Switch to the outdoor unit>
Operation
The mode select switch is a control option for a heat pump unit
It is set to operate as follows:
• If set to Cool, the outdoor unit opera
tes in cooling mode only.
• If set to Heat, the outdoor unit operates in heating mode only.
• If set to Auto, the local wired or wireless remote contro
l determines the operating mode (heat/cool) of the outdoor unit.
8-5-2 Application of Mode select Switch (cont.)
8-5 Applications (cont.)
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