Installation Introduction - Carrier X-POWER Series Service Manual

R410a DC Inverter 60Hz

1. Installation Introduction

1.1 Select the refrigerant piping
1.1.1 Length and level difference permitted of the refrigerant piping
Item
Total pipe length(actual length)
Pipe
Farthest pipe
length
length
Equivalent length L of pipe from the first
branch to the farthest one
Level difference
between indoor
unit and outdoor
Level
unit
difference
Level difference between indoor unit
and indoor unit
L
1
The first branch joint
98
Actual length
Equivalent length
Outdoor unit up
Outdoor unit down
Outdoor unit
(one or more outdoor units)
L
2
B
A
Piping ( between the farthest indoor unit
and outdoor unit) equivalent length L≤200m
L
Piping ( between the farthest indoor
5
unit and first branch joint) length L≤40/90 * m
L
6
E
L
8
H
Permitted length
≤3280ft(1000m)
≤574ft(175m)
≤656ft(200m)
≤131ft/295ft(40m/
90m)(*1)
≤ 230ft(70m)
≤361ft(110m)
≤98ft(30m)
N1
(140)
a
C
L
3
D
L
4 c
N3
(140)
N5
(140)
e f
F
G
L
7
g
L
9
I
i
h
N8
(140)
Carrier service manual
Table 4-1
Pipe
L1+(L2+L3+...+L8+L9
)×2+a+b+c+...+i+j
L +L +L +L +j
1 5 8 9
L +L +L +j
5 8 9
_____
Fig 4-1
N2
(140)
b
Indoor unit
d
N4
(140)
N6
(71)
N7
(71)
j
N9
(56)
N10
(56)
Installation