Field Settings
SiUS091133
389
Trial Operation and Field Settings
4.4
Facility Setting Jumper and Switch (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 spaces occupied by humans such as a residence or office.
Detail
You can expand the operation range to –10°C (14°F) by cutting the jumper or turning on switch on
the outdoor unit PCB. If the outdoor temperature falls to –18°C (–0.4°F) or lower, the operation
stops. If the outdoor temperature rises, the operation starts again.
09/12 class
15/18 class
1
2
3
S70
S40
S2
S90
J5
J4
J3
(R12187)
Cut the jumper J4.
J5
J7
J8
J6
GND
Top panel
PCB
1) Remove the
3 screws.
Drip proof
cover
2) Remove the
drip proof
cover.
3) Cut the
jumper J6.
(R16698)
