Outdoor Unit Installation; Connecting The Refrigerant Pipes - Sharp AE-X2M20RU Installation Manual

PORT SIZE OF THE OUTDOOR UNIT
Install the indoor unit according to the following table.
Port Port size
Liquid 1/4" (ø 6.35 mm)
A
Gas 3/8" (ø 9.52 mm)
Liquid 1/4" (ø 6.35 mm)
B
Gas 3/8"(ø 9.52 mm)
1

OUTDOOR UNIT INSTALLATION

Before installation,
remove the packing pad
from the outdoor unit.
Installation dimension
Referring to the fi gure, fi rmly fasten the outdoor
unit with bolts.
21.9 inch (557.4 mm)
2

CONNECTING THE REFRIGERANT PIPES

Flaring the pipe end
(1) Cutting with a pipe cutter
Cut at a right angle.
(2) Deburring
Allow no cuttings in the pipe.
(3) Putting in the fl are nut
(4) Flaring
Flare processing dimensions(A)
(5) Checking
To be fl ared perfectly circular.
Flare nut not missing.
Connecting the pipes
Connect the pipes for the indoor unit fi rst and then for the
outdoor unit.
(1) Tighten the fl are nuts by hand for the fi rst 3-4 turns.
(2) Use a spanner and torque wrench to tighten up the pipes.
• Do not over tighten the pipes; it may be deformed or
damaged.
Notes:
• Bend the pipes carefully as not to damage them.
• Lay the drain hose below the pipes.
AE-X2M20RU_3_LANG.indb EN-2 AE-X2M20RU_3_LANG.indb EN-2
Indoor unit class
07 09 12
07 09 12
Connecting the drain hose
• In the heating mode, the outdoor unit discharges water due to
defrosting from its drain port and drain hole. Perform drain work if
water drops are a problem.
• In very cold areas where the water in the drain hose could freeze,
Packing pad
do not use a drain hose and the base pan cap with the outdoor unit.
(1) Insert the base pan caps into the drain holes on the bottom of the
outdoor unit.
(2) Fit the drain joint into the drain tray and insert drain tray to the
drain port.
(3) Connect commercial drain hose to the drain joint.
Base pan cap 1
1
90°
R410A tool
Conventional tool
A
Spanner
Flare nut tightening torque
Pipe size
Liquid side
Gas side
EN-2
Note:
• Be sure to install 2 indoor units.
• Make sure the fl are nuts of the outdoor unit are securely
closed for those not connected to the indoor unit
Drain port
Drain port
Drain tray 4
Drain joint 5
Drain hose
(Commercially available)
Inside diameter: 5/8" (Φ16 mm)
Tool A
0 - 0.02 inch
(0 - 0.5 mm)
0.04 - 0.06 inch
1.0 - 1.5 mm
Flare nut
Torque wrench
Torque
1/4" (ø 6.35 mm) 11.8±1.5 ft·lbf (16±2 N·m)
3/8" (ø 9.52 mm) 28.0±3.0 ft·lbf (38±4 N·m)
1 Base pan cap 1
2 Base pan cap 2
3 Base pan cap 3
3 Base pan cap 3
2013-12-19 21:01:19 2013-12-19 21:01:19