Haier AB122MCERA Operation Manual - Page 30

Ab122-182meera

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Installation Procedures (Tubing Permissible Length & Height Difference( Please refer to the attached manual of outdoor units. (Tubing Materials & Specifications) Model Tubing Size (mm) Tubing Material AB092MCERA Gas pipe Liquid pipe 09.52 06.35 AB122-182MCERA AB242-482MCERA AB122-182MEERA AB242-482MEERA 012.7 015.88 06.35 09.52 Phosphor deoxybronze seamless pipe (TP2) for air conditioner (Refrigerant Filling Amount) Add the refrigerant according to the installation instruction of outdoor unit. The addition of R410A refrigerant must be performed with a measure gage to ensure the specified amount while compressor failure can be caused by filling too much or little refrigerant. (Connecting Procedures of Refrigerant Tubing) Proceed the flare tube connecting operation to connect all the refrigerant tubes. • Dual wrenches must be used in the connection of indoor unit tubing. • Mounting torque refers to the right table Outer Diameter of Tubing (mm) Mounting Torque (N-m) Increase mounting Torque (N-m) 06.35 11.8(1.2kgf-m) 13.7(1.4kgf-m) wrench 09.52 012.70 24.5(2.5kgf-m) 49.0(5.0kgf-m) 29.4(3.0kgf-m) 53.9(5.5kgf-m) 015.88 78.4(8.0kgf-m) 98.0(10.0kgf-m) (Cutting and Enlarging) Cutting or enlarging pipes should be proceeded by installation personnel according to the operating criterion if the tube is too long or flare opening is broken. (Vacuumizing Vacuumize from the stop valve of outdoor units with vacuum pump. Refrigerant sealed in indoor machine is not allowed to use for vacuumization. (Open All Valve Open all the valves of outdoor units. [NB: oil balancing stop valve must be shut up completely when connected one main unit.] (Checkup for Air Leakag Check if there is any leakage at the connecting part and bonnet with hydrophone or soapsuds. CConnecting Connecting circular terminals: 1. Connecting circular terminals: The connecting method of circular terminal is shown in the Fig. Take off the screw, connect it to the terminal tier after heading it through the ring at the end of the lead and then tighten it. 2. Connecting straight terminals: The connection methods for the circular terminals are shown as follows: loosen the screw before putting the line terminal into the terminal tier, tighten the screw and confirm it has been clamped by pulling the line gently. 3. Pressing connecting line After connecting line is completed, press the connecting line with clips which should press on the protective sleeve of the connecting line. correct pressing terminal tier -pressing clip_ wrong pressing 28

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Installation
Procedures
(Tubing
Permissible
Length
&
Height
Difference(
Please
refer
to
the
attached
manual
of
outdoor
units.
(Tubing
Materials
&
Specifications)
Model
AB092MCERA
AB122-182MCERA
AB122-182MEERA
AB242-482MCERA
AB242-482MEERA
Tubing
Size
(mm)
Gas
pipe
09.52
012.7
015.88
Liquid
pipe
06.35
06.35
09.52
Tubing
Material
Phosphor
deoxybronze
seamless
pipe
(TP2)
for
air
conditioner
(Refrigerant
Filling
Amount)
Add
the
refrigerant
according
to
the
installation
instruction
of
outdoor
unit.
The
addition
of
R410A
refrigerant
must
be
performed
with
a
measure
gage
to
ensure
the
specified
amount
while
compressor
failure
can
be
caused
by
filling
too
much
or
little
refrigerant.
(Connecting
Procedures
of
Refrigerant
Tubing)
Proceed
the
flare
tube
connecting
operation
to
connect
all
the
refrigerant
tubes.
•
Dual
wrenches
must
be
used
in
the
connection
of
indoor
unit
tubing.
•
Mounting
torque
refers
to
the
right
table
wrench
(Cutting
and
Enlarging)
Cutting
or
enlarging
pipes
should
be
proceeded
by
installation
personnel
according
to
the
operating
criterion
if
the
tube
is
too
long
or
fl
are
opening
is
broken.
(Vacuumizing
Vacuumize
from
the
stop
valve
of
outdoor
units
with
vacuum
pump.
Refrigerant
sealed
in
indoor
machine
is
not
allowed
to
use
for
vacuumization.
(Open
All
Valve
Open
all
the
valves
of
outdoor
units.
[NB:
oil
balancing
stop
valve
must
be
shut
up
completely
when
connected
one
main
unit.]
(Checkup
for
Air
Leakag
Check
if
there
is
any
leakage
at
the
connecting
part
and
bonnet
with
hydrophone
or
soapsuds.
Outer
Diameter
of
Tubing
(mm)
Mounting
Torque
(N
-m)
Increase
mounting
Torque
(N
-m)
06.35
11.8(1.2kgf-m)
13.7(1.4kgf-m)
09.52
24.5(2.5kgf-m)
29.4(3.0kgf-m)
012.70
49.0(5.0kgf-m)
53.9(5.5kgf-m)
015.88
78.4(8.0kgf-m)
98.0(10.0kgf-m)
Connecting
CConnecting
circular
terminals:
1.
Connecting
circular
terminals:
The
connecting
method
of
circular
terminal
is
shown
in
the
Fig.
Take
off
the
screw,
connect
it
to
the
terminal
tier
after
heading
it
through
the
ring
at
the
end
of
the
lead
and
then
tighten
it.
2.
Connecting
straight
terminals:
The
connection
methods
for
the
circular
terminals
are
shown
as
follows:
loosen
the
screw
before
putting
the
line
terminal
into
the
terminal
tier,
tighten
the
screw
and
confirm
it
has
been
clamped
by
pulling
the
line
gently.
3.
Pressing
connecting
line
After
connecting
line
is
completed,
press
the
connecting
line
with
clips
which
should
press
on
the
protective
sleeve
of
the
connecting
line.
correct
pressing
terminal
tier
—pressing
clip_
wrong
pressing
28