Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 162

Inverter multi-split system residential air-conditioners
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remote control. Set the wireless remote control and indoor unit.
(a) Setting the wireless remote control
(i)
Pull out the cover and take out batteries.
(ii)
Disconnect the switching line next to the battery with wire cutters.
(iii)
Insert batteries, Close the cover.
(b) Setting an indoor unit
(i)
Turn off the power source, and turn it on after 1 minute.
(ii)
Point the wireless remote control that was set according to the procedure described on the underside at the indoor unit
and send a signal by pressing the ACL switch on the wireless remote control. Since the signal is sent in about 6
seconds after the ACL switch is pressed, point the wireless remote control at the indoor unit for some time.
(iii)
Check that the reception buzzer sound "pip" is emitted from the indoor unit. At completion of the setting, the indoor
unit emits a buzzer sound "pip".(If no reception tone is emitted, start the setting from the beginning again.)
(5) Selection of the annual cooling function
(a) The annual cooling function can be enabled or disabled by means of the jumper wire (J172 or JA3) on the
indoor unit PCB or the dip switch (SW2-4) on the interface kit (option) PCB.
Jumper wire
(J172 or JA3)
Shorted
Shorted
Open
Open
Notes (1) Default states of the jumper wire (J172 or JA3) and the interface kit at the shipping from factory – On the PCB, the dip switch (SW2-4) is set to enable the an-
nual cooling function.
(2) To cancel the annual cooling setting, consult your dealer.
• Models SRF25, 35, 50ZMX-S
SRF25, 35, 50ZMA-S
Jumper wire (J172)
• SRF seris
Reception
pip
Interface kit
(SC-BIKN2-E)
SW2-4
ON
OFF
ON
OFF
161
-
• SRR seris
Reception
pip
Function
Enabled
Disabled
Disabled
Disabled
• Models SRR25, 35, 50, 60ZM-S
Jumper wire (JA3)
-
'17 • SCM-T-225
Disconnect

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