EN
9
4 - CONNECTIONS
AUAH
AUBH
AUCH
AUDH
Connection to the refrigerant
circuit of outdoor unit
*
Circuit A
Circuit A
Circuit A
Circuit A **
ø Liquid tube (narrow)
1/4”
(6,35 mm)
1/4”
(6,35 mm)
1/4”
(6,35 mm)
3/8”
(9,52 mm)
ø Gas tube (large)
1/2”
(12,7 mm)
1/2”
(12,7 mm)
1/2”
(12,7 mm)
5/8”
(15,88 mm)
Minimum pipe length
3 m
3 m
3 m
3 m
Maximum pipe length without
additional refrigerant
SEE INSTALLATION INSTRUCTIONS
OF OUTDOOR UNIT
Maximum pipe length with
additional refrigerant
Additional charge per meter
NOTES
• For the connecting pipes, use the flare nuts provided with the unit or nuts intended for the R 410 A.
• Minimum pipe thickness: 1mm.
• Utilise, if necessary, the adapters supplied with the outdoor unit.
• Connect the units with the connecting tubes in accordance with the above table.
*
IMPORTANT!
Connect EXCLUSIVELY
to the circuit «A» of the
outdoor unit.
4.1 - REFRIGERANT CONNECTION
Outdoor unit
indoor unit
Gas line
Liquid line
** For
AUDH
Check in particular the
outdoor unit installation
instructions.