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Installation Procedure
* Advanced function: Controlling cooling/heating current or power saving with motion detect.
(*1) When Cooling or dry mode is off. The indoor fan operate in setting minutes.
(*2) Minimizing fan operation when thermostat is off
- Fan operates for 20 seconds at an interval of 5 minutes in heat mode.
- Fan stops or operates Ultra low in Cooling when thermostat is off.
(*3) 1: Fan is turned on continually when the hot water heater is turned on,
3: Fan is turned off when the hot water heater is turned on with cooling only indoor unit
Cooling only indoor unit: To use this option, install the Mode Select switch(MCM-C200) on the outdoor unit and fix
it as cool mode.
If the "Cooling Priority" option is set in the Heat Pump outdoor unit, the indoor unit can operate in the Heat mode
owing to the water heater even if the outdoor unit is running in the Cool mode.
(*4) When Normal Signal Control is enabled, the external control is turned on by the short-circuit signal and off by the
open-circuit signal.
When Reverse Signal Control is enabled, the external control is turned off by the short-circuit signal and on by the
open-circuit signal.
(*5) When the following 2 or 3 is used as external heater On/Off signal, the signal for monitoring external contact
control will not be output.
2: Fan is turned on continually when the external heater is turned on,
3: Fan is turned off when the external heater is turned on with cooling only indoor unit
Cooling only indoor unit: To use this option, install the Mode Select switch(MCM-C200) on the outdoor unit and fix
it as cool mode.
- If Fan is set to off for cooling only indoor unit by setting the SEG9=3 or SEG15=3, you need to use an external
sensor or wired remote controller sensor to detect indoor temperature exactly.
- If the "Cooling Priority" option is set in the Heat Pump outdoor unit, the indoor unit can operate in the Heat mode
owing to the external heater even if the outdoor unit is running in the Cool mode.
(*6) When indoor unit is in cooling or Dry mode, The output signal is “ON”
(*7) For free cooling control, Economizer controller is required.
(*8) If the air conditioner operates the heating mode immediately after finishing the cooling mode, the condensate
water in the drain pan becomes water vapor by the heat of the indoor unit heat exchanger. Since the water vapor
might be condensed on the indoor unit, which may fall into a living space, use this function to get rid of the water
vapor out of the indoor unit by operating the fan (for maximum 20 minutes) even when the indoor unit is turned off
after cooling mode is turned to heating mode.
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