Daikin VRV-W IV User Manual

Installation and operation manual
54
RWEYQ8+10T7Y1B
VRV-W IV System Air Conditioner
4P347465-1A – 2013.04
Recommended replacement cycle of wear parts
Table 2: "Replacement Cycle" list
Moving and discarding the unit
 Contact your dealer for removing and reinstalling the total unit.
Moving units requires technical expertise.
 This unit uses hydrofluorocarbon. Contact your dealer when
discarding this unit. It is required by law to collect, transport and
discard the refrigerant in accordance with the
"hydrofluorocarbon collection and destruction" regulations.
11.4. Malfunction codes
In case a malfunction code appears on the indoor unit user interface
display, contact your installer and inform the malfunction code, the
unit type, and serial number (you can find this information on the
nameplate of the unit).
For your reference, a list with general malfunction codes is provided.
You can, depending on the level of the malfunction code, reset the
code by pushing the ON/OFF button. If not, ask your installer for
advice.
Component
Inspection
cycle
Maintenance cycle
(replacements and/or
repairs)
Air filter
1 year
5 years
High efficiency filter 1 year
Fuse 10 years
Crankcase heater 8 years
NOTICE
 Table 2: "Replacement Cycle" list indicates main
components. Refer to your maintenance and
inspection contract for more details.
 Table 2: "Replacement Cycle" list indicates
recommended intervals of replacement cycles.
However, in order to keep the unit operational as long
as possible, maintenance work may be required
sooner. Recommended intervals can be used for
appropriate maintenance design in terms of budgeting
maintenance and inspection fees. Contact your dealer
for details.
INFORMATION
Damage due to taking apart or cleaning interiors of units by
anyone other than our authorised dealers may not be
included in the warranty.
Malfunction
code
ContentsMain code
A0 External protection device was activated
A1 EEPROM failure (indoor)
A3 Drain system malfunction (indoor)
A6 Fan motor malfunction (indoor)
A7 Swing flap motor malfunction (indoor)
A9 Expansion valve malfunction (indoor)
AF Drain malfunction (indoor unit)
AH Filter dust chamber malfunction (indoor)
AJ Capacity setting malfunction (indoor)
C1 Transmission malfunction between main PCB and sub PCB
(indoor)
C4 Heat exchanger thermistor malfunction (indoor; liquid)
C5 Heat exchanger thermistor malfunction (indoor; gas)
C9 Suction air thermistor malfunction (indoor)
CA Discharge air thermistor malfunction (indoor)
CE Movement detector or floor temperature sensor malfunction
(indoor)
CJ User interface thermistor malfunction (indoor)
E1 PCB malfunction (outdoor)
E2 Current leakage detector was activated (outdoor)
E3 High pressure switch was activated
E4 Low pressure malfunction (outdoor)
E5 Compressor lock detection (outdoor)
E9 Electronic expansion valve malfunction (outdoor)
F3 Discharge temperature malfunction (outdoor)
F4 Abnormal suction temperature (outdoor)
F6 Refrigerant overcharge detection
H3 High pressure switch malfunction
H4 Low pressure switch malfunction
J1 Pressure sensor malfunction
J2 Current sensor malfunction
J3 Discharge temperature sensor malfunction (outdoor)
J4 Heat exchanger gas temperature sensor malfunction
(outdoor)
J5 Suction temperature sensor malfunction (outdoor)
J7 Liquid temperature sensor (after subcool HE) malfunction
(outdoor)
J8 Liquid temperature sensor malfunction (outdoor)
J9 Gas temperature sensor malfunction (outdoor)
JA High pressure sensor malfunction (S1NPH)
JC Low pressure sensor malfunction (S1NPL)
L1 INV PCB abnormal
L4 Fin temperature abnormal
L5 Inverter PCB faulty
L8 Compressor over current detected
L9 Compressor lock (startup)
LC Transmission outdoor unit - inverter: INV transmission
trouble
P1 INV unbalanced power supply voltage
P4 Fin thermistor malfunction
PJ Capacity setting malfunction (outdoor)
U0 Abnormal low pressure drop, faulty expansion valve
U1 Reversed power supply phase malfunction
U2 INV voltage power shortage
U3 System test run not yet executed
U4 Faulty wiring indoor/outdoor
U5 Abnormal user interface - indoor communication
U7 Faulty wiring to outdoor/outdoor
U8 Abnormal main-sub user interface communication
U9 System mismatch. Wrong type of indoor units combined.
Indoor unit malfunction.
UA Connection malfunction over indoor units or type mismatch
UC Centralized address duplication
UE Malfunction in communication centralized control device -
indoor unit
UF Auto address malfunction (inconsistency)
UH Auto address malfunction (inconsistency)
Malfunction
code
ContentsMain code
4P347465-1A.book Page 54 Monday, August 5, 2013 2:26 PM

Daikin VRV-W IV Specifications

General

Brand	Daikin
Model	VRV-W IV
Category	Air Conditioner
Language	English