Facility Setting Jumper (Cooling At Low Outdoor Temperature) - Daikin FLKS25BAVMB Service Manual

Field Settings
3.2 Facility Setting Jumper (cooling at low outdoor
temperature)
Outline This function is limited only for facilities (the target of air conditioning is equipment (such as
computer)). Never use it in a residence or office (a place where people are present).
Detail You can expand the operation range to –15°C by cutting the jumper on the outdoor unit PCB.
Note that the operation may stop if the outdoor temperature drops below –15°C. If the outdoor
temperature rises, the operation starts again.
Main PCB
Caution Replace the PCB if you accidentally cut a wrong jumper.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of
them.
Caution 1. If the outdoor unit is installed where the outdoor heat exchanger of the unit is exposed to
2. Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and
3. Do not place humidifiers or other items which might raise the humidity in rooms where facility
4. Cutting the jumper sets the indoor fan tap to the highest position.
120
RKS25/35E2V1B
S90
PCB
S80 S80 S80
Cut the jumper J8.
.
RK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1B, RXS25/35L2V1B
Main PCB
Cut the jumper J4.
direct wind, provide a windbreak wall.
off when using facility settings.
settings are being used.
A humidifier might cause dew condensation from the indoor unit outlet vent.
RK(X)S25/35G2V1B
Main PCB
J4
J8
J9
Cut the jumper J8.
(R18373)
S2
S90
SiBE05-722EE
S50
S1
S90
PCB
S10
S20
(R18374)
S40
(R18253)
Trial Operation and Field Settings