Application Of Mode Select Switch - Samsung AM080FX A Series Service Manual

Key Options
8-5 Applications (cont.)

8-5-4 Application of Mode select Switch

■ Introduction Mode Select Switch
Mixed operation-preventive control is used to prevent the HP (Heat Pump) from sending requests for different cycle operation
modes to the same outdoor unit.
In cooling
operation
HP (common in the SAC market)
- Operation of both heating and cooling modes is not possible. Single cycle control is only possible →
※ HR (Heat Recovery) : Operation of both cooling and heating modes is possible (relatively costly)
Samsung Electronics
cooling
Figure 4. External contact interface module: wiring diagram for auxiliary heat
cooling
Heating
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