Step 3 Connecting The Power Cables, Communication Cable, And Controllers - Samsung AC MXADKH Series Installation Manual

Installation Procedure
AC052/060/071MXADKH/AC071MXASEH
Anchor bolt hole
AC100MXASEH
Anchor bolt hole
CAUTION
• Install a drain outlet at the lowest end around the
base for outdoor unit drainage
• When installing the outdoor unit on the roof,
waterproof the unit and check the ceiling strength.
• Make sure that the wall can support the weights of
the rack and the outdoor unit.
• Install the rack close to the column as much as
possible.
Optional: Fixing the outdoor unit to a wall with
a rack
8
English
(Unit : mm)
(Unit : mm)
645
880
Designed to cut off residual vibration from
outdoor unit to rack. (not supplied with product)
Anchor bolt
Base surface
Soft rubber designed to cut off vibration from
rack to wall. (not supplied with product)
• Install a proper grommet in order to reduce noise and
residual vibration transferred by the outdoor unit
towards the wall.
CAUTION
• When installing an air guide duct, be sure to check
the following:
– The screws do not damage the copper pipe.
– The air guide duct is fixed firmly on the guard fan.
Step 3 Connecting the power cables,
communication cable, and controllers
You must connect the following three electrical cables to
the outdoor unit:
• The main power cable between the auxiliary circuit
breaker and the outdoor unit.
• The outdoor-to-indoor power cable between the
outdoor unit and the indoor unit.
• The communication cable between the outdoor unit
and the indoor unit.
CAUTION
• During installation, make first the refrigerant
connections and then the electrical connections. If
the unit is uninstalled, first disconnect the electrical
cables and then the refrigerant connections.
• Connect the air conditioner to the earthing system
before making the electrical connections.