Daikin REYQ-T7Y1B - Refrigerant Pipe Selection

• Outdoor Unit • REYQ-T
12
• VRV Systems • REYQ-T
40
12 Installation
12 - 3 Refrigerant Pipe Selection
4P35399$BB
To select the piping size
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1,2 959';LQGRRUXQLW
3 %6XQLW
4  &RROLQJRQO\959LQGRRUXQLW
A~E Piping
a,b Indoor branch kit
x,y  2XWGRRUPXOWLFRQQHFWLRQNLW
A, B, C:3LSLQJEHWZHHQRXWGRRU
$%&3LSLQJEHWZHHQRXWGRRUXQLWDQGÀUVWUHIULJHUDQWEUDQFKNLW
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FRQQHFWHGGRZQVWUHDP
Outdoor unit
FDSDFLW\W\SH+3
3LSLQJRXWHUGLDPHWHUVL]HPP
Liquid pipe 6XFWLRQJDVSLSH +LJKSUHVVXUHORZ
SUHVVXUHJDVSLSH
5~8   
10   
12   
a   
18   
20~22   
24   
a   
   
38~54   
'3LSLQJEHWZHHQUHIULJHUDQWEUDQFKNLWVRUUHIULJHUDQWEUDQFKNLWDQG%6XQLW
CKRRVHIURPWKHIROORZLQJWDEOHLQDFFRUGDQFHZLWKWKHLQGRRUXQLWWRWDOFDSDFLW\W\SHFRQQHFWHG
GRZQVWUHDP'RQRWOHWWKHFRQQHFWLRQSLSLQJH[FHHGWKHUHIULJHUDQWSLSLQJVL]HFKRVHQE\WKH
JHQHUDOV\VWHPPRGHOQDPH
Indoor unit
FDSDFLW\LQGH[
3LSLQJRXWHUGLDPHWHUVL]HPP
Liquid pipe 6XFWLRQJDVSLSH +LJKSUHVVXUHORZ
SUHVVXUHJDVSLSH
<150   
[  
[  
[  
[  
[  
 
([DPSOH
 'RZQVWUHDPFDSDFLW\IRU( FDSDFLW\LQGH[RIXQLW
 'RZQVWUHDPFDSDFLW\IRU' FDSDFLW\LQGH[RIXQLWFDSDFLW\LQGH[RIXQLW
(3LSLQJEHWZHHQUHIULJHUDQWEUDQFKNLWRU%6XQLWDQGLQGRRUXQLW
3LSHVL]HIRUGLUHFWFRQQHFWLRQWRLQGRRUXQLWPXVWEHWKHVDPHDVWKHFRQQHFWLRQVL]HRIWKH
LQGRRUXQLWLQFDVHLQGRRUXQLWLV959';LQGRRURU+\GURER[
Indoor unit
FDSDFLW\LQGH[
3LSLQJRXWHUGLDPHWHUVL]HPP
*DVSLSH Liquid pipe
15~50  
a  
200 
250 
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a2XWGRRUXQLW
b Main pipes
F Increase
d First refrigerant branch kit
e,QGRRUXQLW
6L]HXS
+3FODVV /LTXLGSLSLQJRXWHUGLDPHWHUVL]HPP
5~8 ĺ
10
 ĺ

18~22 ĺ
24
a ĺ
a
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PLQLPDOSLSHWKLFNQHVVIRU5$SLSLQJPXVWEHLQDFFRUGDQFHZLWKWKHWDEOHEHORZ
REYQ-T