Carrier X-POWER Series - Installation Introduction

R410a DC Inverter 60Hz Carrier service manual
98 Installation
1. Installation Introduction
1.1 Select the refrigerant piping
1.1.1 Length and level difference permitted of the refrigerant piping
Table 4-1
Item Permitted length Pipe
Pipe
length
Total pipe length(actual length) ≤3280ft(1000m)
L1+(L2+L3+…+L8+L9
)×2+a+b+c+…+i+j
Farthest pipe
length
Actual length ≤574ft(175m)
L
1
+L
5
+L
8
+L
9
+j
Equivalent length ≤656ft(200m)
Equivalent length L of pipe from the first
branch to the farthest one
≤131ft/295ft(40m/
90m)(*1)
L
5
+L
8
+L
9
+j
Level
difference
Level difference
between indoor
unit and outdoor
unit
Outdoor unit up ≤ 230ft(70m)
_____Outdoor unit down ≤361ft(110m)
Level difference between indoor unit
and indoor unit
≤98ft(30m)
Fig 4-1
N1
(140)
N3
(140)
N5
(140)
N6
(71)
N7
(71)
N9
(56)
N8
(140)
N2
(140)
N4
(140)
N10
(56)
A
B
D
E
F
G
H
I
C
a b
c
e f
g
h
i j
d
L1
L2
L5
L7
L9
L8
L6
L3
L4
Outdoor unit
(one or more outdoor units)
The first branch joint
Level di
f
feren between indoor
unit and outdoor unit H≤70m
Piping ( between the farthest indoor
unit and first branch joint) length L≤40/90 * m
Piping ( between the farthest indoor unit
and outdoor unit) equivalent length L≤200m
Indoor unit to intdoor unit level difference h≤30m
Indoor unit
(
*
1.Level differences above 50 m are available on request)