Facility Setting Switch (Cooling At Low Outdoor Temperature) - Daikin FTXS30HVJU Service Manual

SiUS04-924
3.15 Facility Setting Switch (cooling at low outdoor
temperature)
Outline
This function is limited to facilities where the air conditioning is for cooling equipment, such as a
computer room. Never use it in occupied spaces such as residences or offices.
Detail You can expand the operation range to 0°F(–17.8°C) by turning on switch B (SW4) on the PCB. If
the outdoor temperature falls to –4°F(–20°C) or lower, the operation will stop. If the outdoor
temperature rises, the operation will start again.
Caution 1. If the outdoor unit is installed where the heat exchanger of the unit is exposed to direct wind,
2. Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off
3. Do not place humidifiers or other items that might raise the humidity in rooms where facility
4. Use the indoor unit at the highest level of airflow rate.
42
S102
S2
LED-A
SW4
SW1
provide a windbreak wall.
when using facility settings.
settings are being used.
A humidifier might cause excess moisture to drip from the indoor unit outlet vent.
Turn on
switch B.
Control Specification
(R9672)
Function and Control