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I
Inspecting and Handling the Unit ............................77
Ceiling mounted cassette type (FXCQ63M) .....21
Operational steps .............................................21
Positioning ........................................................21
Installation of Outdoor Unit......................................78
Bolt Pitch ..........................................................79
Operational steps .............................................78
Unpacking and Placing the Unit .......................79
L
Leak tester ............................................................340
M
Mismatch between Cables Connecting Indoor and
Outdoor Units and Corresponding Piping ......196
O
Outdoor Air Processing Unit (FXMQ-MF) ...............70
Outdoor Unit Multi Connection Piping Kit..............145
BHFP22P100 • 151 ........................................145
Outdoor Unit PC Board Layout ...............................87
P
Pipe Size Selection ...............................................139
Piping Installation Point.........................................130
Piping System Diagrams.......................................170
RXQ10PY1, RXQ12PY1 ................................172
RXQ14PY1, RXQ16PY1, RXQ18PY1 ............173
RXQ5PY1 .......................................................170
RXQ8PY1 .......................................................171
RXYQ10PY1, RXYQ12PY1............................172
RXYQ14PY1, RXYQ16PY1, RXYQ18PY1.....173
RXYQ5PY1.....................................................170
RXYQ5PYL.....................................................174
RXYQ8PY1.....................................................171
RXYQ8PYL.....................................................175
Positioning of indoor unit.........................................13
Positioning of outdoor unit.......................................12
Pressure down Despite Absence of Leaks during Air
Tight Test .......................................................198
R
Reducer.................................................................162
REFNET Joint .......................................................160
Refrigerant Cylinders ............................................336
Refrigerant oil (Air compal) ...................................340
Refrigerant Pipe Flushing........................................25
Fit blanking plugs..............................................25
Flushing ............................................................25
Open the main valve on the nitrogen cylinder and
set the pressure regulator to 0.5MPa ..25
Set pressure regulator on nitrogen cylinder......25
Air tight .............................................................22
iv
Clean ............................................................... 22
Dry ................................................................... 22
Operational steps............................................. 22
The 3 principles of refrigerant piping ............... 22
Refrigerant R-410A .............................................. 334
RXQ12PY1........................................................... 190
RXQ14PY1........................................................... 191
S
Selection of Location .............................................. 75
Service Space ........................................................ 76
Service Tools ....................................................... 337
Set the flaring tool .................................................. 30
Setting of Air Flow Direction Adjustment Range .... 95
Setting of Demand Operation............................... 118
Setting of Low Noise Operation and Demand
Operation ...................................................... 116
Image of operation in the case of A ....... 117
Image of operation in the case of A and B.... 117
119
Image of operation in the case of B ....... 117
Signal interference due to use of multiple core cable.
195
Simplified Remote Controller.................................. 90
BRC2A51......................................................... 90
BRC2C51......................................................... 90
Size of Main Gas and Liquid Pipes and Allowable
Length ........................................................... 142
Operational steps............................................. 20
Steel insert....................................................... 20
Through holes in a reinforced concrete beam . 20
Special vacuum drying ........................................... 44
Step by Step Installation Procedure ....................... 19
Striking a Balance between System Installation and
General Construction Work............................. 15
Supplementation on É and Ñ ............................... 115
T
The analysis of major installation problems ........... 14
Thermal Insulation Work (Refrigerant Piping) ........ 35
Essential Points of Thermal Insulation............. 35
Operational steps............................................. 35
Tighten the bolts in opposite corners first to ensure
that the connection is true ............................... 34
Torque wrench ..................................................... 339
Transmission wiring between the cool/heat selector
and the outdoor unit is too close to a high voltage
,
wire................................................................ 201
163
V
Vacuum Drying Procedure ..................................... 43
Vacuum pump with check valve ........................... 339
VRV Inspection Sheet .......................................... 165
W
Wall Mounted Type (FXAQ-M, FXAQ-MH)
connecting a hard vinyl chloride pipe joint ....... 65
drain hose ........................................................ 65
SiEN34-705
,
119
,
,
119
Drawings & Flow Charts
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Troubleshooting
