Johnson Controls (H,Y)VAHP072B31CW, Руководство по установке и обслуживанию

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H5
Outdoor
Unit
A
Outdoor
Unit
B
Outdoor
Unit
C
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
First Branch
< For two and three units combination >
Upstream Side
Indoor Unit Side
La Lb Lc
L3
H2
H1
L1 L2
L3 L3 L3
: Gas Pipe, Liquid Pipe
Piping
Connection Kit 1 Piping
Connection Kit 2
Terminal
Indoor Unit
Maintain a straight-line distance of 19-11/16 inch (500mm) or more for piping after the piping connection kit.
Item Mark Details
Total
Piping Length
Ex1 a+b+c
The total amount of all piping actual length.
Ex2 d+e+f+g+h
Maximum
Piping Length
Ex1 a+c
The actual piping length between the stop valve of the outdoor unit
or the piping connection kit1 and the terminal indoor unit.
Ex2 f+h
Piping Length -
The actual length of pipe that takes no account for equivalent lengths
for pressure drops of elbows.
Equivalent
Piping Length
-
The combination of the straight pipe length plus the equivalent length
of elbows and other pressure drop calculations.
a
b
c
A
A B
Indoor
Unit
Indoor
Unit
First Branch
Multi-Kit
Example1) If a Line Branch Including Main Branch
Outdoor
Unit
Indoor
Unit
Indoor
Unit
e f
d
g
h
A B
A
Outdoor
Unit
Outdoor
Unit
B
First Branch
Multi-Kit
Example 2) If Utilizing a Piping Connection Kit
Piping Connection Kit
Comply with the following when installing the unit.
[ Example ]