Daikin FTXS-L Series - Page 103

Installation Manual EDUS091128
102 Split Type Air Conditioners FTXS-L / FDXS-L Series
Outdoor Unit Installation
3. Flaring the pipe end
%WVVJGRKRGGPFYKVJCRKRGEWVVGT
4GOQXGDWTTUYKVJVJGEWVUWTHCEGHCEKPI
FQYPYCTFUQVJCVVJGEJKRUFQPQVGPVGTVJGRKRG
2WVVJGƃCTGPWVQPVJGRKRG
(NCTGVJGRKRG
%JGEMVJCVVJGƃCTKPIKURTQRGTN[OCFG
WARNING
r&QPQVWUGOKPGTCNQKNQPƃCTGFRCTV
r2TGXGPVOKPGTCNQKNHTQOIGVVKPIKPVQVJGU[UVGOCUVJKUYQWNFTGFWEGVJGNKHGVKOGQHVJGWPKVU
r0GXGTWUGRKRKPIYJKEJJCUDGGPWUGFHQTRTGXKQWUKPUVCNNCVKQPU1PN[WUGRCTVUYJKEJCTGFGNKXGTGFYKVJVJGWPKV
r0GXGTKPUVCNNCFTKGTVQVJKU4#WPKVKPQTFGTVQIWCTCPVGGKVUNKHGVKOG
r6JGFT[KPIOCVGTKCNOC[FKUUQNXGCPFFCOCIGVJGU[UVGO
r+PEQORNGVGƃCTKPIOC[ECWUGTGHTKIGTCPVICUNGCMCIG
4. Refrigerant piping
CAUTION
r7UGVJGƃCTGPWVƂZGFVQVJGOCKPWPKVVQRTGXGPVKVHTQOETCEMKPICPFFGVGTKQTCVKPIHTQOCIG
r6QRTGXGPVICUNGCMCIGCRRN[TGHTKIGTCVKQPQKNQPN[VQVJGKPPGTUWTHCEGQHVJGƃCTG7UGTGHTKIGTCVKQPQKNHQT4#
r7UGVQTSWGYTGPEJGUYJGPVKIJVGPKPIVJGƃCTGPWVUVQRTGXGPVFCOCIGVQVJGƃCTGPWVUCPFICUNGCMCIG
Flare nut tightening torque
Liquid side
1/4 inch (6.4mm)
HVrNDH
0rO
Gas side
1/2 inch (12.7mm)
HVrNDH
0rO
Valve cap tightening torque
Liquid side
1/4 inch (6.4mm)
HVr+DH
0rO
Gas side
1/2 inch (12.7mm)
HVr+DH
0rO
Service port cap tightening torque
Do not apply refrigeration
oil to the outer surface.
Flare nut
Apply refrigeration oil to
the inner surface of the
ƃCTG
Do not apply refrigeration oil to
VJGƃCTGPWVVQCXQKFVKIJVGPKPI
with excessive torque.
[Apply oil]
r#NKIPVJGEGPVGTUQHDQVJƃCTGUCPFVKIJVGPVJGƃCTG
PWVUQTVWTPUD[JCPF6JGPVKIJVGPVJGOHWNN[YKVJ
the torque wrenches.
HVrNDH
0rO
(Cut exactly at
right angles.)
Remove burrs.
Set exactly at the position shown below.
A
Flaring
Die
Check
Flare’s inner surface
OWUVDGƃCYHTGG
The pipe end must
DGGXGPN[ƃCTGFKPC
perfect circle.
Make sure that the
ƃCTGPWVKUƂVVGF
A
KPEJ
OO
%NWVEJV[RG
Flare tool for R410A
KPEJ
OO
%NWVEJV[RG4KIKFV[RG
KPEJ
OO
9KPIPWVV[RG+ORGTKCNV[RG
%QPXGPVKQPCNƃCTGVQQN