Outdoor Unit Installation; Connecting The Piping - Haier AC142ACNAC Service Manual

5. INSTALL THE DRAIN HOSE
Select whether the drain hose will be connected to the left or right
side.(Fig.5)
Insert the drain hose into the drain pan, then secure the drain hose
with a nylon fastener.(Fig.8)
Wrap the insulation (drain hose)around the drain hose connection.
(Fig.9)
Be sure to arrange the drain hose correctly so that it is leveled lower
than the drain hose connecting port of the indoor unit.(Fig.20)
Fig. 20
Remove the hole cover.
Arrange the drain hose
lower than this portion
OK
When drain hose is arranged backward.Secure the drain hose with
the VT wire. (Fig. 21)
Fig. 21
VT wire hole
For series 24,28,36,42
VT wire hole
Pass the drain hose through here Cut the grill
For series 14,18

OUTDOOR UNIT INSTALLATION

CONNECTING THE PIPING

1. FLARE PROCESSING
(1) Cut the connection pipe with pipe cutters so that the pipe is
not deformed.
(2) Holding the pipe downward so that cuttings cannot enter the
pipe, remove the burrs.
(3) Remove the flare nut from the indoor unit pipe and outdoor
unit and assemble as shown in(Table1) and insert the flare
nut onto the pipe, and flare with a flaring tool.
(4) Check if the flared part "L" (Fig.22)is spread uniformly and
that there are no cracks.
Table 1
Pipe
Small pipe Small (width across flats 22mm)
Large pipe Large (width across flats 24mm)
Drain hose
NO
Piping hole
Drain hose
Piping hole
Base (Bottom)
Intake grill
Drain hose
For series 24,28,36,42
no this part
Flare nut
INSTALLATION INSTRUCTIONS
Fig. 22
Width across flats
L
2. BENDING PIPES
The pipes are shaped by your hands. Be careful not to
collapse them.
Fig. 23
OK
Extend the pipe by unwinding it
BE SURE TO READ THESE INSTRUCTIONS. CAREFULLY BEFORE
BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE
INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH,
EQUIPMENT MALFUNCTION AND /OR PROPERTY DAMAGE. BE
SURE TO READ INSTALLATION MANUAL FOR INDOOR UNIT WITH
THIS MANUAL.
1. Selection of the place of installation
Select the place of installation satisfying the following
VT wire
conditions and, at the same time, obtain consent from the
client or user.
Place where air circulates.
Place free from heat radiation from other heat sources.
Place where drain water may be discharged.
Place where noise and hot air may not disturb the
neighbors.
Place where there is not heavy snowfall in winter.
Place where obstacles do not exist near the inlet air
port and outlet air port.
Place where the outlet port may not be exposed to a
strong wind.
Place surrounded at four sides are not suitable for
installation.
A 1m or more of overhead space is needed for the unit.
Mount guide-louvers to place where short-circuit is a
possibllity.
When installing several units, secure sufficient suction
space to avoid short circuiting.
2. Installation of outdoor unit
(1) Installation
Fix the unit in a proper way according to the condition of
a place where it is installed by referring to the following.
Fig. 25
(a) Concrete foundation(Fig. 25)
Anchor bolt
(b) Foundation anchor
L dimension
Liquid pipe
1.6 to 1.8mm(6.35mm dia)
Gas pipe
2.2 to 2.4mm(15.88mm dia)
Gas pipe
3.4 to 2.6mm(19.05mm)
Liquid pipe
1.8 to 2.0mm(9.52mm)
NO
WARNING
Unit
Concrete foundation
For series 14,18
Unit
Concrete foundation
Anchor bolt