Facility Setting Switch (Cooling At Low Outdoor Temperature); Jumper And Switch Settings - Daikin SiBE07-618_D Service Manual Field

SiBE07-618_D
4.2 Facility Setting Switch (cooling at low outdoor
temperature)
Outline For Cooling Only Model
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 (the space where there is a human).
Detail You can expand the operation range to –15°C by turning on the switch (SW4-B) on the service
monitor PCB. If the outdoor temperature falls to –20°C or lower, the operation stops. If the
outdoor temperature rises, the operation starts again.
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. Use the indoor unit at the highest level of airflow rate.
4.3

Jumper and Switch Settings

(on indoor unit PCB)
(on indoor unit PCB)
For the location of the jumper, refer to page
(on outdoor unit PCB)
For the location of the switch, refer to page
Trial Operation and Field Settings
S102
S2
LED-A Turn on the
switch SW4-B.
SW4
SW1
direct wind, provide a windbreak wall.
off when using facility settings.
settings are being used.
A humidifier might cause dew jumping from the indoor unit outlet vent.
Jumper Function
JB Fan speed setting
when compressor
stops for thermostat
OFF. (effective only
at cooling operation)
JC Power failure
recovery function
Switch Function
SW4-C Improvement of
defrost
performance
When connected
(factory set)
Fan speed setting ; Fan speed setting; "0" (The fan
Remote controller stops.)
setting
Auto-restart The unit does not resume
operation after recovering from a
power failure. Timer settings are
cleared.
.
14
OFF (factory set)
Standard control Reinforced control (ex. The
frequency increases, the
duration time of defrost
lengthens.)
.
16
Field Settings
(R12157)
When cut
ON
131