Field Settings
SiBE04-808_B
295
Trial Operation and Field Settings
4.4
Facility Setting Jumper and 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 cutting jumper or turning on switch on the
outdoor unit PCB. If the outdoor temperature falls to –20°C or lower, the operation stops. If the
outdoor temperature rises, the operation starts again.
RKS20-35G2V1B
RKS20-35G2V1B9
RKS42G2V1B
1
2
3
S90
PCB
S50
S20
S10
S1
J4
J8
J9
Cut the jumper J8.
(R12206)
1
2
3
S70
S40
S2
S90
J5
J4
J3
(R12187)
Cut the jumper J4.
Top panel
Notch
PCB
J3
J4
J5
PCB
Hook
Fan motor lead wire
Electrical box
(R12185)
Electrical
box cover
Insulation
sheet
3) Remove the
electrical box
cover from the
hook.
1) Remove the
2 screws.
2) Remove the
1 screw.
4) Remove the
insulation
sheet.
5) Cut the jumper J4.
