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Main code
Sub code
9
Technical data
A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is
available on the Daikin extranet (authentication required).
9.1
Overview: Technical data
This chapter contains information about:
• Dimensions
• Service space
• Piping diagram
• Wiring diagram
• Technical specifications
• Capacity table
RXYSQ6TMYFK
VRV IV-S system air conditioner
4P524881-1 – 2018.02
Cause
High pressure sensor malfunction (S1NPH): open
circuit - A1P (X32A)
High pressure sensor malfunction (S1NPH): short
circuit - A1P (X32A)
Low pressure sensor malfunction (S1NPL): open
circuit - A1P (X31A)
Low pressure sensor malfunction (S1NPL): short
circuit - A1P (X31A)
Transmission outdoor unit - inverter: INV1
transmission trouble - A1P (X20A, X28A, X42A)
Transmission outdoor unit - inverter: FAN1
transmission trouble - A1P (X20A, X28A, X42A)
Transmission outdoor unit - inverter: FAN2
transmission trouble - A1P (X20A, X28A, X42A)
INV1 unbalanced power supply voltage
Reversed power supply phase malfunction
Reversed power supply phase malfunction
INV1 voltage power shortage
INV1 power phase loss
Malfunction code: System test run not yet
executed (system operation not possible)
Faulty wiring to Q1/Q2 or indoor - outdoor
Faulty wiring to Q1/Q2 or indoor - outdoor
System test run abnormal ending
Warning: faulty wiring to Q1/Q2
Malfunction code: faulty wiring to Q1/Q2
▪ Too many indoor units are connected to F1/F2
line
▪ Bad wiring between outdoor and indoor units
System mismatch. Wrong type of indoor units
combined (R410A, R407C, RA, etc)
Indoor unit malfunction
Connection malfunction over indoor units or type
mismatch (R410A, R407C, RA, etc)
Connection malfunction over indoor units or type
mismatch (R410A, R407C, RA, etc)
Auto address malfunction (inconsistency)
Auto address malfunction (inconsistency)
Stop valve closed or wrong (during system test
run)
9 Technical data
Solution
Check connection on PCB or actuator.
Check connection on PCB or actuator.
Check connection on PCB or actuator.
Check connection on PCB or actuator.
Check connection.
Check connection.
Check connection.
Check if power supply is within range.
Correct phase order.
Correct phase order.
Check if power supply is within range.
Check if power supply is within range.
Execute system test run.
Check (Q1/Q2) wiring.
Check (Q1/Q2) wiring.
Execute test run again.
Check Q1/Q2 wiring.
Check Q1/Q2 wiring.
Check indoor unit amount and total capacity
connected.
Check if other indoor units have malfunction and
confirm indoor unit mix is allowed.
Check if other indoor units have malfunction and
confirm indoor unit mix is allowed.
Check if other indoor units have malfunction and
confirm indoor unit mix is allowed.
Check if transmission wired unit amount matches
with powered unit amount (by monitor mode) or
wait till initialisation is finished.
Check if transmission wired unit amount matches
with powered unit amount (by monitor mode) or
wait till initialisation is finished.
Open stop valves.
Installation and operation manual
23
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Troubleshooting
