installing the unit _29
ENGLISH
Header joint
1. Select the reducer fitted on the diameter of the pipe.
2. Braze the pipes ends with caps if the number of connected indoor unit is fewer than header
joint ports.
3. Install the header joint horizontally.
- Install the header joint horizontally so that it is not facing down.
Reducer
Pipe
To indoor unit
Pipe
To outdoor unit
Reducer
Pipe
To indoor unit
To outdoor unit
< Liquid side >
Blocked the port of
header joint
Connection
in order
Reducer
< Gas side >
Blocked the port of
header joint
Connection
in order
Reducer
±10°
or less
The
horizon
Reducer Branch joint
Pipe
< Gas side >
±15°
or less
The horizon
±10°
or less
The horizon
< Liquid side >
±15°
or less
The
horizon
< Liquid side > < Gas side >
• When using A~J type of header joint, connect the header joint to
the pipe with provided reducer.
• When using K~Z type of header joint, connect the header joint to
the pipe by cutting the provided reducer properly.
• Connect the header joint in order respecting the number of the indoor unit.
• Connect the indoor unit as the highest capacity comes first.
10~15mm(3/8~5/8˝)
or more
Note
Incorrect installation of Y-joint and header joint cause poor oil and refrigerant distribution
between indoor units.
It may decrease the system’s performance or cause compressor failure.
The
horizon
CAUTION
DVM PLUS3_IM_E_31180-1.indd 29 2009-10-16 ｿﾀﾈﾄ 2:10:32
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