10. Installation
Outdoor unit
< H/P >
Temperature
sensor
Wet towel
Service port
Service valve
Temperature
sensor
Wet towel
Service port
Service valve
< H/R >
1
Pipe installation between the outdoor units
• You will need branch joints, which is an optional accessory, for connecting in between outdoor units in order to combine outdoor units
in module.
※
For optimal distribution of the refrigerant, you must use Y-joint as branch joint for connecting outdoor units. (Do not use T-joint)
• When you install the outdoor units in module, there is no restriction of installation order among outdoor units.
• Height of the connection pipe should be same or lower than the ones connected to the outdoor units.
•
Check the changes in comparison with the DVM Ⅱ, Ⅲ and Ⅳ.
Caution
Correct installation
Incorrect installation
Refrigerant pipes should be
connected at the same or lower
level than the ones connected
to the outdoor unit.
Refrigerant pipes must be
connected by the side of the
product.
Straight section
should be 300mm
or more
Branch joint between outdoor
units must be installed
horizontally.
Install a vertical trap in following
cases as shown in the figure :
Case1. Pipe length between
outdoor unit branches exceeds
2m.
Case2. Pipe length between
outdoor unit and its branch
exceeds 2m.
1 m or less
1 m or less
200 ~
300 mm
200 ~
300 mm
Over 2 m
Over 2 m
Over 2 m
Over 2 m