Outdoor Unit Installation; Drain Joint Installation; Refrigerant Pipe Connection - AUX FH Serie Bedienungsanleitung

1
OUTDOOR INSALLATION PRECAUTION
Install the outdoor unit on a rigid base to prevent increasing noise level and vibration.
Determine the air outlet direction where the discharged air is not blocked.
In the case that the installation place is exposed to strong wind such as a seaside, make
sure the fan operating properly by putting the unit lengthwise along the wall or using a dust
or shield plates.
Specially in windy area, install the unit to prevent the admission of wind. If need suspending
installation, the installation bracket should accord with technique requirement in the
installation bracket diagram. The installation wall should be solid brick, concrete or the same
intensity construction, or actions to reinforce, damping supporting should be taken.
The connection between bracket and wall, bracket and the air conditioner should be firm,
stable and reliable.
Be sure there is no obstacle which block radiating air.
Strong
wind
2

DRAIN JOINT INSTALLATION

NOTE:
The drain joint is slightly different according to the
different outdoor unit.
For the drain joint with the seal(Fig.A), first fit the seal onto
the drain joint, then insert the drain joint into the base pan
hole of outdoor unit, rotate 90 to securely assemble them.
To install drain joint as shown in Fig.B, insert the drain
joint into the base pan hole of outdoor unit until it remains
fixed with a clicking sound. Connecting the drain joint with
an extension drain hose (Locally purchased), in case of the
water draining off the outdoor unit during the heating mode.
3

REFRIGERANT PIPE CONNECTION

Flaring
1. Cut a pipe with a pipe cutter.
2. P ut flare nuts on pipe/tube having
completed burr removal
3. Firmly hold copper pipe in a die in the
dimension shown in the table below.
A(mm)
Outer diam.
(mm)
Max.
6.35 1.3
9.52 1.6
12.7 12.7 1.8 1.8
16 2.2
Tightening connection
Align pipes to be connected.
Sufficiently tighten the flare nut with fingers,
and then tighten it with a spanner and torque
wrench as shown.
Excessive torque can break nut depending
on installation conditions.

OUTDOOR UNIT INSTALLATION

Incorrect
Barrier
Strong
wind
and flare the pipe.
Min.
0.7
1.0
1.0 1.0
2.0
53
Correct
Drain joint
Seal
(A)
O
90 Oblique Roughness Burr
Bar
Clamp handle
Copper pipe
Indoor unit tubing Flare nut Pipings
Outer Tightening Additional tightening
diam. torque(N.cm)
1500
6.35mm
(153kgf.cm)
2500
9.52mm
(255kgf.cm)
3500
12.7mm
(357kgf.cm)
4500
16mm
(459kgf.cm)
Base pan hole
of outdoor unit
(B)
Handle
Bar
torque(N.cm)
1600
(163kgf.cm)
2600
(265kgf.cm)
3600
(367kgf.cm)
4700
(479kgf.cm)