17
Packaged and Split Rooftop Ventilator
© 2021 Mitsubishi Electric US, Inc.
Premi
Sys
Piping Length
Item
Piping
in the
figure
Max.
length
(m[ft])
Max. equiv.
length (m[ft])
Max. piping length
A
15 [50] *1
15 [50] *1
Height between OU and
DOAS
(OU above DOAS)
H
15 [50]
-
Height between OU and
DOAS
(OU under DOAS)
H1
15 [50]
-
OU: Outdoor Unit, DOAS: Dedicated Outdoor Air Unit
*1 For distances beyond 50 ft, contact your Mitsubishi distributor
Bend Equivalent Length “M”
Outdoor Unit
M (m/bends [ft./bends])
PUHY-P96T/YKMU
0.42 [1.38]
PUHY-P144T/YKMU
0.50 [1.64]
PUHY-EP96T/YNU
0.42 [1.38]
PUHY-EP144T/YNU
0.50 [1.64]
TUHYE096(3/4)AN40A(N/B)
0.42 [1.38]
TUHYE144(3/4)AN40A(N/B)
0.50 [1.64]
TUHYE192(3/4)BN40A(N/B)
(twinned model)
0.42 [1.38]
TUHYE240(3/4)BN40A(N/B)
(twinned model)
0.50 [1.64]
Piping “A” Size Selection Rule
Outdoor Unit
Pipe Liquid
(mm [in.])
Pipe (Gas)
(mm [in.])
PUHY-P96T/YKMU
12.7 [1
⁄2]
22.2 [7
⁄8]
PUHY-P144T/YKMU
12.7 [1
⁄2]
28.58 [11
⁄8]
PUHY-EP96T/YNU
12.7 [1
⁄2]
22.2 [7
⁄8]
PUHY-EP144T/YNU
12.7 [1
⁄2]
28.58 [11
⁄8]
TUHYE096(3/4)AN40A(N/B)
12.7 [1
⁄2]
22.2 [7
⁄8]
TUHYE144(3/4)AN40A(N/B)
12.7 [1
⁄2]
28.58 [11
⁄8]
TUHYE192(3/4)BN40A(N/B)
(twinned model)
12.7 [1
⁄2]
22.2 [7
⁄8]
TUHYE240(3/4)BN40A(N/B)
(twinned model)
12.7 [1
⁄2]
28.58 [11
⁄8]
PUHY-P96/144TKMU/YKMU Piping
PUHY-P192/240TSKMU/YSKMU Piping
OU
DOAS
A
H
(O
U
a
bo
ve
D
O
AS
)
H'
(O
U
und
er
D
O
AS
)
OU
DOAS
H
(O
U
a
bo
ve
D
O
AS
)
H'
(O
U
und
er
D
O
AS
)
A
S
T
Outdoor Twinning
Kit CMY-Y100CBK3
h2
OU
Piping Length
Item
Piping
in the
figure
Max.
length
(m[ft])
Max.
equiv.
length
(m[ft])
Max. piping length
A+S+T
15 [50] *1
15 [50]
*1
Height between OU and OU
h2
0.1 [0.3]
-
Height between OU and DOAS
(OU above DOAS)
H
15 [50]
-
Height between OU and DOAS
(OU under DOAS)
H1
15 [50]
-
OU: Outdoor Unit, DOAS: Dedicated Outdoor Air Unit
*1 For distances beyond 50 ft, contact your Mitsubishi distributor
Bend Equivalent Length “M”
Outdoor Unit
M (m/bends [ft./bends])
PUHY-P192T/YSKMU
0.50 [1.64]
PUHY-P240T/YSKMU
0.50 [1.64]
PUHY-EP192T/Y(S)NU
(twinned model)
0.50 [1.64]
PUHY-EP240T/Y(S)NU
(twinned model)
0.50 [1.64]
TUHYE096(3/4 )AN40A(N/B)
0.50 [1.64]
TUHYE 144(3/4 )AN40A(N/B)
0.50 [1.64]
TUHYE 192(3/4 )BN40A(N/B)
(twinned model)
0.50 [1.64]
TUHYE240(3/4 )BN40A(N/B)
(twinned model)
0.50 [1.64]
Piping “A” Size Selection Rule
Outdoor Unit
Pipe Liquid
(mm [in.])
Pipe (Gas)
(mm [in.])
PUHY-P192T/YSKMU
15.88 [5
⁄8]
28.58 [11
⁄8]
PUHY-P240T/YSKMU
15.88 [5
⁄8]
28.58 [11
⁄8]
PUHY-EP192T/Y(S)NU
(twinned model)
15.88 [5
⁄8]
28.58 [11
⁄8]
PUHY-EP240T/Y(S)NU
(twinned model)
15.88 [5
⁄8]
28.58 [11
⁄8]
TUHYE096(3/4)AN40A(N/B)
15.88 [5
⁄8]
28.58 [11
⁄8]
TUHYE144(3/4)AN40A(N/B)
15.88 [5
⁄8]
28.58 [11
⁄8]
TUHYE192(3/4)BN40A(N/B)
(twinned model)
15.88 [5
⁄8]
28.58 [11
⁄8]
TUHYE240(3/4)BN40A(N/B)
(twinned model)
15.88 [5
⁄8]
28.58 [11
⁄8]
For piping size “S”, ‘’T”, please refer to specification of the twinning
kit CMY-Y100CBK2 on the Outdoor units external drawing.
