Daikin V3, Technical Manual

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T-CU19-JAN24-1 Page III
Contents
PRODUCT FEATURES ....................................................... 2
NOMENCLATURE ............................................................. 2
Figure 1: Product Nomenclature ............................... 2
SPECIFICATIONS .............................................................. 3
Table 1: Exploded View Indicator .............................. 3
Figure 2: Exploded View of LRMIFS0300AXY1;
LRMIFS0600AXY1 ...................................................... 3
Figure 3: Exploded View of LRMIFS0900AXY1 ........... 4
Table 2: Unit Data ..................................................... 5
Table 3: Unit SEPR, Sound Data, Dimension and
Weight....................................................................... 5
Table 4: Performance Data of LRMIFS0300AXY1
R448A/ R449A) .......................................................... 6
Table 5: Performance Data of LRMIFS0600AXY1
(R448A/ R449A) ........................................................ 7
Table 6: Performance Data of LRMIFS0900AXY1
(R448A/ R449A) ........................................................ 8
APPLICATION GUIDELINES ............................................... 9
C
ONDENSING
U
NIT
S
ELECTION
.............................................. 9
Table 7: Compressor Speed Range ............................ 9
Table 8: Operating Limit ........................................... 9
C
OMPRESSOR
.................................................................... 9
HEALTH AND SAFETY ....................................................... 9
G
ENERAL
I
NFORMATION
...................................................... 9
INSTALLATION ............................................................... 10
U
NIT LOCATION
................................................................ 10
Figure 4: Positioning of Condensing Unit ................ 10
Figure 5: Air Circulation for Condenser ................... 10
I
NSTALLATION
C
LEARANCES
................................................ 11
Figure 6: Installation Clearance .............................. 11
F
IELD
P
IPING
.................................................................... 11
Figure 7: Piping layout for outdoor above indoor ... 11
Figure 8: Piping layout for outdoor below indoor ... 12
P
RESSURE
T
ESTING
........................................................... 12
Table 9: Test Pressure ............................................. 12
E
VACUATION AND
C
HARGING
.............................................. 12
ELECTRICAL ................................................................... 13
Table 10: Recommended wiring sizes ..................... 13
P
HASE
S
EQUENCE FOR
C
ORRECT
C
OMPRESSION
..................... 13
W
ARNING
W
HEN
T
OUCHING
U
NIT
W
HEN
OFF ..................... 13
E
ARTH
L
EAKAGE
C
URRENT
.................................................. 13
COMMISSIONING .......................................................... 14
Figure 9: Access Point.............................................. 14
A
CCESS TO
C
ONTROLLER AND
LCD D
ISPLAY
........................... 14
Table 11: Factory Default Setting ............................ 14
U
SER
T
ERMINAL
I
NTERFACE
– LCD D
ISPLAY
........................... 15
Figure 10: LCD Display ............................................. 15
Table 12: LCD Display Button Functions .................. 15
C
ONTROLLER
H
OME
S
CREEN
............................................... 15
P
ASSWORD FOR
A
CCESSIBILITY
L
EVEL
.................................... 15
C
HANGING
S
ET
P
OINT
....................................................... 16
R
EFRIGERANT
S
ELECTION
................................................... 16
S
WITCH
U
NIT
ON/OFF (B
Y
C
ONTROLLER
) ............................ 16
C
OMPRESSOR
M
ODEL
S
ELECTION
........................................ 17
Table 13: List of Compressor in Controller .............. 17
C
OMPRESSOR
O
PERATION
.................................................. 17
Figure 11: Compressor Operating Zone .................. 17
I
NVERTER COMPRESSOR START
-
UP
: ...................................... 18
Figure 12: Compressor Startup Curve ..................... 18
P
RESSURE DIFFERENTIAL DURING START
-
UP
............................ 18
T
IMES
............................................................................. 18
Figure 13: Times Control for Compressor Startup ... 18
C
OMPRESSOR
C
ONTROL
..................................................... 19
Figure 14: Proportional Control .............................. 19
Figure 15: Propor Integral Control .............. 19
AC F
AN
S
PEED
M
ODULATION
............................................. 19
Figure 16: Fan Control Curve ................................... 19
Table 14: Fan Settings for Ecodesign Data .............. 19
M
ECHANICAL
S
AFETY
P
RESSURE
S
WITCH
............................... 20
H
IGH
D
ISCHARGE
T
EMPERATURE
M
ANAGEMENT
.................... 20
Figure 17: Discharge Temperature Management ... 20
SYSTEM CHARGE ........................................................... 21
PIPE SIZE SELECTION ..................................................... 21
Figure 18: Suction Pipe Layout for 1 outdoor to 2
indoors .................................................................... 21
Table 15: Suction Pipe Size Selection ....................... 22
CONTROLLER SETTINGS ................................................. 22
Table 16: Controller Default Settings ...................... 22
A
LARM
S
ETTINGS
.............................................................. 24
Table 17: List of Alarm Code ................................... 24
Table 18: LCD Display - Alarm Status ...................... 25
Table 19: Details Error Code from Activation of
ALW25 ..................................................................... 25
SERVICE AND MAINTENANCE ........................................ 26
BACNET AND MODBUS PROTOCOL ............................... 27
Figure 19: Location of Serial Port on Controller ...... 27
SOFTWARE UPDATE ...................................................... 27
Figure 20: pCO Smart Key ....................................... 27
APPENDIX ..................................................................... 27
Table 20: Tightening Torque ................................... 27
Figure 21: Outline Drawing LRMIFS0300AXY1,
LRMIFS0600AXY1 .............................................. 28
Figure 22: Outline Drawing LRMIFS0900AXY1 ........ 28
Figure 23: Wiring Diagram LRMIFS0300AXY1 ......... 29
Figure 24: Wiring Diagram LRMIFS0600AXY1 ......... 30
Figure 25: Wiring Diagram LRMIFS0900AXY1 ......... 31