Specifications

Si04-306B Control Specification
Function and Control 65
3.16 Facility Setting Switch (cooling at low outdoor
temperature)
Outline FTKS50/60/71BVMB9 models
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 switch B (SW4) on the PCB. If the
outdoor temperature falls to –15°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,
provide a windbreak wall.
2. Use the indoor unit at the highest level of air flow rate.
ABC
ON
SW4
LED-A
S52
SW1
S2
1A
123
Turn on switch B.