Service manual
Field Settings SiBE06-708_C
146 Trial Operation and Field Settings
4.2 Model Type Setting
The remote controller is common to the heat pump model and cooling only model. Set the
DIP switch to the right position as shown in the illustration if the position of the DIP switch is
wrong.
4.3 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 (the space where there is a human).
25/35 Class You can expand the operation range to –15°C by cutting the jumper 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.
RK(X)S25/35F2V1B
Main PCB
RK(X)S25/35G2V1B
Main PCB
(R18201)
DIP switch
Heat pump model Cooling only model
DIP switch
PCB
J1
J3
J4
J5
J6
J7
J8
S80
S80
S80
S90
S70
.
(R18373)
Cut the jumper J8.
S90
PCB
S50
S20
S10
S1
J4
J8
J9
Cut the jumper J8.
(R18374)