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Daikin RXYQ5PY1 Service Manual Page 210

Daikin r-410a heat pump 50hz/60hz cooling only 50hz.
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Appendix
7.14.11 LED Display for Master/slave Judgment Malfunctions at the Time of
Test Operation.
Applicable
RX(Y)(Q)
Models
Condition
LED display for master/slave judgment remained to be turned off the test operation of the multi
system of two VRV III units though the unit being connected to the indoor-to-outdoor unit
connection wire should be judged as a master unit normally.
At that time, the same LED for the slave unit of outdoor multi connection was blinking.
Cause
Instead of connection of "outdoor multi terminals (Q1 and Q2)", "outdoor-to-outdoor (F1 and
F2)" connection was being applied at the time of multiple operation.
Measure
Recovers by correcting the wire connections between outdoor units to "outdoor multi (Q1 and
Q2)".
Point of
Select the method of connection of outdoor units from the following two methods, A and B.
A. Batch connection between outdoor units of different systems →Connect the "Out - Out
Diagnosis
B. Multiple connection of the same system → Connect the "outdoor multiple terminals (Q1 and
204
~
P (Outdoor unit multi system of VRV III series)
[Incorrect]
Out - Out
In - Out
terminals (F1 and F2)".
Q2)".
Out - Out
[Correct]
Outdoor
multi
In - Out
General Information
SiEN34-705
Outdoor
multi

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