Pipe Length Elevation And Additional Quantity Of Gas - Electrolux EXM18HV1W Manual De Instalación

Rooftop installation
1 If the outdoor unit is installed on a roof
structure, be sure to level the unit.
2 Ensure the roof structure and anchoring
method are adequate for the unit location.

Pipe Length Elevation and Additional Quantity of Gas

suction Pipe
Product
diameter
EXM18HV1WE 6.35mm (1/4")
EXM24HV1WE 6.35mm (1/4")
caution
• The outdoor unit is charged with the
refrigerant for standard pipe length.
• When the connecting pipe length is longer
than standard length, additional refrigerant
should be added into the unit according
the above table through the service port on
3-way service valve on the outdoor unit.
• Please maintain the shortest distance (3 to 5
meters) and shortest misalignment possible
between the indoor and outdoor units.
Maximum length
indoor unit
Piping length under 5m
Discharge Pipe
diameter
9.52mm (3/8")
9.52mm (3/8")
Outdoor unit
3 If the outdoor unit is installed on roof
structures or external walls, this may result in
excessive noise and vibration, and may also
be classed as non-serviceable installation.
standard Maximum
length (m) length (m)
5 20
5 20
• The maximum allowance length and height
is based on reliability.
• Exceeding the maximum may cause poor
performance or malfunction.
• When the outdoor unit is installed above
the indoor unit, oil trap should be installed
every 5-7 meters.
Maximum length
Oil trap
indoor unit
Piping length 5m or more
Additional
Maximum
refrigerant
height (m)
(g/m)
10 15
10 15
Outdoor unit
7