Mitsubishi Electric CITY MULTI PUHY-HP-TNU-A Série Manuel D'installation page 26

Pipes A, A , A
1 2
Combination unit
Unit model
Unit 1
HP72T/YNU-A -
HP96T/YNU-A -
HP120T/YNU-A -
HP144T/YSNU-A HP72
HP192T/YSNU-A HP96
HP240T/YSNU-A HP120
Pipes A, A , A
1 2
Combination unit
Unit model
Unit 1
HP72T/YNU-A -
HP96T/YNU-A -
HP120T/YNU-A -
HP144T/YSNU-A HP72
HP192T/YSNU-A HP96
HP240T/YSNU-A HP120
*1 Use the ø12.7 (ø1/2) pipe if the piping length from the outdoor unit to the farthest indoor unit is 90 m (295 ft) or longer.
*2 Use the ø12.7 (ø1/2) pipe if the piping length from the outdoor unit to the farthest indoor unit is 40 m (131 ft) or longer.
*3 If the combination units 1, 2, and 3 are in a different order as listed in the table, make sure to use the pipes of appropriate size for the situation.
*4
units to the first branch.
*5
lower indoor units to the first branch.
Pipes B,C,D
Total capacity of indoor units
54 or below
55 to 72
73 to 108
109 to 144
145 to 240
241 to 308
309 or above
Pipes a,b,c,d,e
Capacity index of indoor unit
05, 06, 08, 12, 15, 18
24, 27, 30, 36, 48, 54
72
96
Pipe A
Unit 2 Unit 3 Liquid
- - ø9.52
1
- - ø9.52 *
- - ø9.52 * 2 ø28.58
HP72 - ø15.88 ø28.58
HP96 - ø15.88 ø28.58
HP120 - ø15.88 ø28.58
Pipe A
Unit 2 Unit 3 Liquid
- - ø3/8
- - ø3/8 * 1
- - ø3/8 * 2
HP72 - ø5/8
HP96 - ø5/8
HP120 - ø5/8
Pipe
Liquid Gas
ø9.52 (ø3/8) ø15.88 (ø5/8)
ø9.52 (ø3/8) ø19.05 (ø3/4)
ø9.52 (ø3/8) ø22.2 (ø7/8)
ø12.7 (ø1/2) ø28.58 (ø1-1/8)
ø15.88 (ø5/8) ø28.58 (ø1-1/8)
ø19.05 (ø3/4) ø34.93 (ø1-3/8)
ø19.05 (ø3/4) ø41.28 (ø1-5/8)
Pipe
Liquid
ø6.35 (ø1/4) ø12.7 (ø1/2)
ø9.52 (ø3/8) ø15.88 (ø5/8)
ø9.52 (ø3/8) ø19.05 (ø3/4)
ø9.52 (ø3/8) ø22.2 (ø7/8)
3
Pipe A *
1
Gas Liquid Gas
ø22.2 - -
ø22.2 - -
- -
ø9.52 ø22.2
ø9.52 ø22.2
ø12.7 ø28.58
Pipe A * 3
1
Gas Liquid Gas
ø7/8 - -
ø7/8 - -
ø1-1/8 - -
ø1-1/8 ø3/8 ø7/8
ø1-1/8 ø3/8 ø7/8
ø1-1/8 ø1/2 ø1-1/8
[mm (in)]
[mm (in)]
Gas
[mm]
3
Pipe A *
2
Liquid Gas
- -
- -
- -
ø9.52 ø22.2
ø9.52 ø22.2
ø12.7 ø28.58
[in]
Pipe A * 3
2
Liquid Gas
- -
- -
- -
ø3/8 ø7/8
ø3/8 ø7/8
ø1/2 ø1-1/8