Facility Setting Jumper And Switch (Cooling At Low Outdoor Temperature); Jumper And Switch Settings - Daikin FTXS20G2V1B Service Manual

Field Settings
2.4 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
291
S1
J4
J8
J9
Cut the jumper J8.
S10
S20
Cut the jumper J4.
S90
1) Remove the
2 screws.
Electrical
box cover
Insulation
sheet
Fan motor lead wire
Hook
3) Remove the
electrical box
cover from the
hook.
S50
S90
PCB
S40
S2
PCB
SiENBE04-808_A
2 3
1
(R12206)
2 3
1
(R12187)
Top panel
2) Remove the
1 screw.
4) Remove the
insulation
sheet.
Notch
Electrical box
PCB
5) Cut the jumper J4.
(R12185)
Trial Operation and Field Settings