1-188
Service Manual
INSTALLATION
6. Refrigerant
Piping
Work
Table 6.1 Piping Size
inch (mm)
Model
Gas Piping
Liquid Piping
+<,'6%6
+<,'6%6
+<,'6%6
+<,'6%6
I
1/2 (12.7)
I
1/4 (6.35)
+<,'6%6
I
5/8 (15.88)
I
3/8 (9.52)
3UHSDUH¿HOGVXSSOLHGFRSSHUSLSHV
(4) Select clean copper pipes. Make sure there is no dust and moisture inside.
7KHUHIULJHUDQWRLOIRUWKHUHIULJHUDQW5$LVVXVFHSWLEOHWRPRLVWXUHDQR[LGH¿OPDQGIDWW\RLO7DNH
VSHFLDOFDUHGXULQJWKHLQVWDOODWLRQVRWKDWPRLVWXUHFRQWDPLQDWLRQVRUROGUHIULJHUDQWRLOZLOOQRWHQWHU
WKHUHIULJHUDQWF\FOH2WKHUZLVHLPSXULWLHVPD\DGKHUHWRWKHH[SDQVLRQYDOYHDQGLWPD\SUHYHQW
proper operation.
:KHQFXWWLQJWKHSLSHVXVHDSLSHFXWWHUWRDYRLGJULQGVZDUIJHQHUDWLRQIRUWKHSLSHFXWWLQJZRUN%ORZ
the inside of pipes with nitrogen or dry air to remove any dust or foreign materials before connecting
pipes. Do not use any tools which produce a lot of swarf such as a saw or a grinder.
6.1 Piping
Materials
(1) The tolerance of refrigerant piping length differs depending on the combination with the outdoor unit.
Refer to “Installation and Maintenance Manual” of the outdoor unit for details.
(2) Select the piping size from the following table.
)RUGHWDLOVRQUHIULJHUDQWSLSLQJZRUNYDFXXPSXPSDQGUHIULJHUDQWFKDUJHUHIHUWRWKH,QVWDOODWLRQDQG
0DLQWHQDQFH0DQXDOIRUWKHRXWGRRUXQLW
8VHWKHVSHFL¿HGQRQÀDPPDEOHUHIULJHUDQW5$WRWKHRXWGRRUXQLWLQWKHUHIULJHUDQWF\FOH
'RQRWFKDUJHWKHXQLWZLWKPDWHULDOVRWKHUWKDQ5$VXFKDVK\GURFDUERQUHIULJHUDQWVSURSDQH
DQGLVREXWDQR[\JHQÀDPPDEOHJDVHVDFHW\OHQHDPPRQLDHWFRUSRLVRQRXVJDVHVZKHQ
LQVWDOOLQJPDLQWDLQLQJDQGPRYLQJWKHXQLW7KHVHÀDPPDEOHVDUHH[WUHPHO\GDQJHURXVDQGPD\
FDXVHH[SORVLRQD¿UHRULQMXU\
In Case of Getting the Pipe
Through a Hole in the Wall
Correct
Correct
Incorrect
Incorrect
Correct
Incorrect
Hole
Hole
Attach a cap or put a plastic bag
over the pipe end.
Attach a cap or put a plastic
bag over the pipe end.
Attach a cap or put a plastic
bag over the pipe end.
Rubber Band
Do not lay the pipe
directly on the ground.
Rain water
can come in.
In Case of Rain
Summary of Contents for YVAHP072B31S
Page 2: ......
Page 10: ...viii Service Manual ...
Page 16: ......
Page 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Page 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Page 920: ......
Page 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Page 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Page 1728: ......
Page 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Page 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
Page 1795: ......
Page 1796: ... 2015 Johnson Controls Inc SM 15001 ...