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Design of W-ECO MULTI SYSTEM
2
TD831077
7 Recommended location of ball valves
¶ Recommend that install a ball valve kit at each outdoor unit
¶ Select the position to perform the service easily each unit or each refrigerant system
(1) In case of adding the indoor unit
1 LOCATION: Install the ball valve at distribution tube (not main tube).
1. Model Selecting and Capacity Calculation
2 Installation standard:
¶ Make sure to install the ball valve up grade to avoid the flow of oil.
¶ Install the ball valve at the shortest distance (within 40 cm) from the main tube.
In the event that the diameter of the ball valve is smaller than the one of the main tube, reduce the size of the area
where it is installed by Reducer etc.
¶ Select the place where is easy to operate and consider that the establishment place is to be confirmed later.
(2) In case of adding the outdoor unit
1 LOCATION: Install the ball valve at main tube of distribution joint.
1667_M_I
Main tube
Ball valve (for extension)
Main tube of distribution joint
To indoor unit
Outdoor unit
for extension
Liquid tube
Balance tube
Gas tube
Ball valve (for service)
2 Installation standard:
¶ Make sure to install the ball valve up grade to avoid the flow of oil.
¶ Install the ball valve at the shortest distance (within 40 cm) from the main tube.
In the event that the diameter of the ball valve is smaller than the one of the main tube, use a Reducer etc., to reduce
the size of the area where it is connected.
*
In the event that the ball valve is installed to the outdoor unit (including extension for outdoor unit), face the
service port of the valve to the outdoor unit side (above illstration; dotted line) and have a distance over 50
cm from the outdoor unit. In case that the ball valve is installed between indoor unit
(Including extension for indoor unit) and the main tube, face it to the indoor unit side
(above illustration; dotted line).
NOTE
1665_M_I
Outdoor unit
Distribution tube
Main tube
Ball valve (for extension)
Less than 40 cm
Indoor unit for extension
1666_M_I
Distribution tube
Main tube
Ball valve (for extension)
Indoor unit for extension
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