7000-26000 Btu/h, 50Hz & 60Hz
R22 & R407c Units
Owner Manual
Mini Split Systems, Hi Wall Type
August 200
3 MCW - SVU03A - E4
Foreword
These owner manual are given as
a guide to good practice in the
operation and periodic maintenance
by the users of Trane Hi-wall mini-split
systems.
They do not contain the full service
procedures necessary for the
continued successful operation of this
equipment. The services of a qualified
service technician should be
employed, through the medium of a
maintenance contract with a reputable
service company.
Read them completely before doing
anything with your air conditioning
system.
Reception
On arrival, inspect the unit before
signing the delivery note. Specify any
damage on the delivery note, and
send a registered letter of protest to
the last carrier of the goods within 72
hours of delivery. Notify the local sales
office at the same time. The unit
should be totally inspected within
7 days of delivery. If any concealed
damage is discovered, send a
registered letter of protest to the
carrier within 7 days of delivery and
notify the local sales office. Units are
shipped with the refrigerant operating
or holding charge and should be
examined with an eletronic leak
detector to determine the hermetic
integrity of the unit. The refrigerant
charge is not included in the standard
Warranty Cover.
Refrigerant
The refrigerant provided by the
constructor meets all the
requirements of our units. When using
recycled or reprocessed refrigerant,
it is advisable to ensure its quality is
equivalent to that of a new refrigerant.
For this, it is necessary to have a
precise analysis made by a
specialized laboratory. If this condition
is not respected, the constructor
warranty could be cancelled.
About the unit
These units are assembled, pressure
tested, dehydrated, charged and run
tested before shipment.
General Information
MCW - SVU03A - E4
Warranty
Warranty is based on the general
terms and conditions of the
constructor. The warranty is void if the
equipment is modified or repaired
without the written approval of the
constructor, if the operating limits are
exceeded, or if the control system or
the electrical wiring is modified.
Damage due to misuse, lack of
maintenance, or failure to comply with
the manufacturer’s instructions, is not
covered by the warranty obligation.
If the user does not conform to the
rules described in the manual, it may
entail cancellation of warranty and
liabilities by the Trane company.
About this manual
Cautions appear at appropriate
places in this instruction manual.Your
personal safety and the proper
operation of this machine require that
you follow them carefully. The
constructor assumes no liability for
installations or servicing performed by
unqualified personnel.
All phases of the installation of these
air conditioning systems must conform
to all provinced/state and local codes.
Please keep this owner manual
carefully for consultation.
Important
These instructions do not cover all
variations in system, nor do they
provide for every possible
contingency to be met.
Should further information be desired
or should particular problems arise
which are not covered sufficiently for
the purchaser’s purposes, the matter
should be referred to the Trane sales
office in your region.
2
System Combinations
R22 units R407c units
Single-split Models Single-split Models
50Hz 60Hz 50Hz
Indoor Units Outdoor Units Indoor Units Outdoor Units Indoor Units Outdoor Units
Cooling Only Cooling Only Cooling Only
MCW507KB TTK507XB MCW509K1 TTK509X1 MCW507NB TTK507AB
MCW509KB TTK509XB MCW512K1 TTK512X1 MCW509NB TTK509AB
MCW512KB TTK512XB MCW518K1 TTK518X1 MCW512NB TTK512AB
MCW518KB TTK518XB MCW524K1 TTK524X1 MCW518NB TTK518AB
MCW524KB TTK524XB MCW526K1 TTK526X1 MCW524NB TTK524AB
MCW526KB TTK526XB MCW526NB TTK526AB
Heat Pump Heat Pump Heat Pump
MWW507KB TWK507XB MWW509K1 TWK509X1 MWW507NB TWK507AB
MWW509KB TWK509XB MWW512K1 TWK512X1 MWW509NB TWK509AB
MWW512KB TWK512XB MWW518K1 TWK518X1 MWW512NB TWK512AB
MWW518KB TWK518XB MWW524K1 TWK524X1 MWW518NB TWK518AB
MWW524KB TWK524XB MWW526K1 TWK526X1 MWW524NB TWK524AB
MWW526KB TWK526XB MWW526NB TWK526AB
Multi-split Models Multi-split Models
50Hz 60Hz 50Hz
Indoor Units Outdoor Units Indoor Units Outdoor Units Indoor Units Outdoor Units
Cooling Only Cooling Only Cooling Only
2
X MCW507LB TTD514BB 2 X MCW509L1 TTD518B1 2 X MCW507PB TTD514CB
2
X MCW509LB TTD518BB 4 X MCW507L1 TTQ530B1 2 X MCW509PB TTD518CB
2
X MCW512LB TTD524BB MCW512R1 2 X MCW512PB TTD524CB
General Information
System Combinations
Safety Precautions
System Appearance
Remote Control Operation
User's Guide
Maintenance
Troubleshooting
Contents
MCW-SVU03A-E4
3
2
4
6
7
15
17
19
3
Heat Pump
Heat Pump
2 X
MWW507LB
TWD514BB 2 X MWW507PB TWD514CB
2
X MWW509LB TWD518BB
TTT
526BB
2 X MWW509TB TWD518CB
2 X MWW512LB TWD524BB
2 X MCW507TB MCW518R1
MCW512TB MCW524R1
2 X MWW512PB TWD524CB
Safety Precautions
4
Don’t attempt to repair the air
conditioner by yourself.
You may cause further
malfunctions.
The power plug must be inserted
tightly.
Otherwise, it can cause an electric
shock,overheating or fire.
For the security of the air
conditioner, it should be safely
connected to the earth. The line that
be connected to the earth should be
connected correctly and tightly.
Don’t pull out the power plug
during operating.
It can cause an electric shock or
fire.
Never splice the power cord or
use an extended cord.
It can cause overheating or fire.
Don’t use longer power lines
and don’t share a same socket
with other electric appliances.
It can cause an electric shock or
fire.
Don’t operate the air
conditioner with wet hands.
It can cause an electric shock.
Don’t insert your hands or stick
into the air intake or outlet
vents.
It can cause danger.
Don’t apply the cold wind to the
body for a long time.
It cause the physical condition
deferioration and health problems.
When having a burning smell
or smoke, please turn off the
power supply and contact with
the service agency immediately.
danger
To avoid electrical shock or fire, the
following points should be
remembered and strictly adhered to:
MCW - SVU03A - E4
WARNING!
Turn off
the power
supply
5
Don’t block the air intake or
outlet vents of both the outdoor
and indoor units.
It can decrease the air
conditioning capacity or cause a
malfunction.
Don’t use fuse excluding the
fuse of correct capacity.
Improper wire could cause the
break down or fire.
Be sure to pull out the power
plug when not using the air
conditioner for a long time.
When cleaning, it is necessary
to turn off the power supply.
It occasionally cause the electric
shock.
Don’t pull the power cord to pull
out the power plug.
It can cause fire.
Don’t place a heater near the air
conditioner.
Air flow from the air conditioner
can cause incomplete combustion
to the heater.
Keep combustible spray away
from the units.
It may cause ignition and
explosion.
Please note whether the
installed stand is firm enough
or not.
It leads to the fall of the unit which
may cause the injury etc.
occasionally.
Don’t step on the top of the
outdoor unit.
As falling off the outdoor unit can
be dangerous.
wire
MCW - SVU03A - E4
GAS
System Appearance
1 Front panel
2 Filter
3 Electrostatic filter (white -green
color)
4 LTC filter (green color)
5 Manual operation switch
6 Air defletion louver - horizontal
7 Wiring access panel
8 Screw cover
9 Air deflection louver - vertical
10 Operation indication lamps
11 Power supply cables
12 Connection tubes
13 Drain hose
14 Front grill
15 Wireless remote control
6
MCW-SVU03A-E4
Return air lnlet
Supply air outlet
Return air inlet
Air discharge
Indoor unit
Outdoor Unit
*:item 3 and item 4 not available for
MCW /MWW526.
1
2
2
4
15
14
13
3
6
8
10
12
5
7
11
9
System Appearance - LCD model
7
MCW-SVU03A-E4
Indoor unit
Air in
Surface panel
Air cleaner
Filter
Handling switch
Wiring cover
Liquid crystal
displayer
Louver
Power plug
Drain hose
Big handle
Air outlet cover
Wireless remote
controller
1
1
2
3
2
3
4
4
4
5
5
6
6
6
7
7
8
8
9
9
10
11
12
12
Air out
STOP
RUN
AUTO
TEST
*Operating indicator (GREEN) light up when the unit is on, and flashing when
the unit is defrosting.
LCD Model
12/18MBh
MCW512R1
MCW518R1
8
MCW-SVU03A-E4
Fan speed displays the figure from the inside to the outside, and the show of
it is symmetrical and dynamic. The low wind is shown by 2 sections, the middle
wind is shown by 4 sections and the high wind is shown by 6 sections.
Running indication is orange at stopping mode and green at operation mode.
Indoor unit
LCD Model
24MBh
MCW524R1
Heating
Cooling
Set Temp.
Fan speed
Running
indication
Auto run
indication
System Appearance - LCD model
1
1
2
3
2
3
4
5
4
5
6
6
7
7
8
9
8
9
10
11
12
10
12
Remote Control Operation
Be sure that there are no
obstructions between the
receiver in the unit and remote
control.
The remote control signal can be
received at a distance of up to
about 10m.
Don’t drop or throw the remote
control.
Don’t let liquid get into the remote
control.
Don’t place the remote control in a
location exposed to direct sunlight
or extremely hot.
1. SWING button
When it is pressed, the louvers start to
swing up and down automatically and
stop when repressed.
5. 1/0
button
Press this button to turn on or turn off
the unit.
MCW - SVU03A - E4
Remote Control Functions and
Description. (Door closed)
CAUTION!
2. TEMP. button
SET TEMP. increases 1
o
C by
pressing button once, and
decreases 1
o
C by pressing button
once. At COOL mode operation, SET
TEMP. can be selected from 16
o
C to
30
o
C. At DRY mode operation, SET
TEMP. can be selected from 16
o
C to
30
o
C. At HEAT mode operation, SET
TEMP. can be selected from 16
o
C to
30
o
C
3. MODE button
Press this button to change the
operation mode in order of
COOL mode
DRY mode
FAN mode
HEAT mode
“ ”
“ ”
“ ”
“ ”
4. FAN button
Presse this button to change the fan
speed of:
AUTO FAN
auto
1
2
3
4
5
9
0 - 24hour
Timer Cancellation
Remote control layout and
Description (Door open).
4. TIMER ON button
At stopping, press TIMER ON button to
set ON TIME to start the unit
automatically. ON TIME increase 0.5
hour by pressing the button once, cycle
as following.
1. Liquid crystal displayer.
It shows all set contents.
2. SLEEP
button
Press this button to set SLEEP
operation, and cancel SLEEP
operation when repressed.
3. TIMER OFF button
At operating, press TIMER OFF button,
to set OFF TIME.in range of 0 to 24
hour to stop the unit automatically.
Increase 0.5 hour by pressing the
button once, cycle as following.
10
MCW - SVU03A - E4
The remote control is designed
to be compatible with other
models.
Some buttons of the remote
control which are not available
to this air conditioner will not be
described below.
CAUTION!
1
2
3
4
0 - 24hour
Timer Cancellation
1. Plug in, press 1/0 button, then
air conditioner is turned on.
COOL mode operation procedure
According to difference between room
temp. and set temp., microcomputer
can control cooling on or not.
If room temp. is higher than set temp.,
compressor runs at COOL mode.
If room temp. is lower than set temp.,
compressor stops and only indoor fan
motor runs.
SET TEMP. should be in range of 16
o
C
to 30
o
C.
3. Press SWING button, the louver
start to swing automatically, and
stop when repress.
5. Press TEMP. button, set suitable
SET TEMP.
2. Press MODE button, set COOL
operation mode -
4. Press FAN button, set fan speed.
11
MCW - SVU03A - E4
1
2
5
3
4
2. Press MODE button, set HEAT
operation mode.
HEAT mode operation procedure
If room temp. is lower than set temp.,
compressor on and unit runs at HEAT
mode;
If room temp. is higher than set
temp., compressor and outdoor fan
motor stop, only indoor fan motor runs.
SET TEMP. should be in range of 16
o
C
to 30
o
C .
3. Press SWING button, the louver
start to swing automatically, and
stop when repress it.
4. Press FAN button, set fan speed.
5. Press TEMP. button, set suitable
SET TEMP.
1. Plug in, press 1/0 button, then
air conditioner is turned on.
12
MCW - SVU03A - E4
Note: Cooling only models will
operate in FAN mode when receiving
HEAT mode setting. (compressor
and outdoor fan OFF).
4
3
5
2
1
1. Plug in, press 1/0 button, then
air conditioner is turned on.
DRY mode operation procedure
3. Press SWING button, the louver
start to swing automatically, and
stop when repress it.
4. Press TEMP. button, set suitable
SET TEMP.
2. Press MODE button, set DRY
operation mode. (In DRY mode
indoor fan speed can’t be set.)
13
MCW - SVU03A - E4
3
4
2
1
If room temp. is lower than set temp.,
compressor, outdoor and indoor fan
motor stop.
If room temp. is between ± 2
o
C of set
temp., air conditioner is drying.
If room temp. is higher than set temp.,
it’s at COOL mode, indoor fan speed
can be set.
SET TEMP. should be in range of 16
o
C
to 30
o
C .
AUTO mode operation procedure
At AUTO mode operation, standard
SET TEMP. is 25
o
C for COOL mode
and 20
o
C for HEAT mode.
1. Plug in, Press 1/0 button, then
air conditioner is turned on.
2. Press MODE button, set AUTO
operation mode, according to room
temp., microcomputer can
automatically set operation , ,
mode, so as for best comfort
effect.
14
MCW - SVU03A - E4
2
1
1. Plug in, press 1/0 button, then
air conditioner is turned on.
SLEEP mode operation
procedure
When the unit is cooling or drying, if
SLEEP operation is set, SET TEMP.
would increase 1
o
C in 1 hour and 2
o
C
in 2 hours, indoor fan motor runs at low
speed.
When the unit is heating, if SLEEP
operation is set, SET TEMP. would
decrease 1
o
C in 1 hour and 2
o
C in 2
hours, indoor fan motor runs at low
speed.
3. Press SWING button, the louvers
start to swing automatically, and
stop when repress.
6. SLEEP button.
Press it to set SLEEP operation, and
exit when repress.
5. Press TEMP. button, set suitable
SET TEMP.
2. Press MODE button, set , or
operation mode.
4. Press FAN button, set fan speed.
4
3
5
2
1
6
15
MCW - SVU03A - E4
How to replace batteries
1. Remove the cover from the back of
the remote control.
2. Remove the 2 worn batteries, insert
the 2 new ones. (Two AAA dry - cell
batteries) and press button “ACL”.
3. Reattach the cover.
Don’t confuse the new and worn or
different batteries.
Remove batteries when not in use
for a few weeks to prevent liquid
leakage to damage the remote
control.
The life time of batteries is about 1
year.
The remote control signal can be
received at a distance of up to about
10m.
Remote control shall be far away
from TV set or any other electric
appliances more than 1 meter.
CAUTION!
3
2
1
AAA batteries
16
MCW - SVU03A - E4
To save
energy and make the operation
safe and easy. set the
temperature properly, too cold will not
benetit to your health.
Plug off the unit if
the unit will not operate for
a long time.
Clean the air filters
regularly and carefully.
Avoid increase
of cooling load due
to sunlight.
Remove battaries when
the remote control will not be
used for a long time.
User’s Guide
Ground wiring:
Ground wire shall be connected to the
exclusive device properly, if not
availble,speciallist shall be employeed
to install. Grounding pole of socket
shall be grounding wired reliably,
breaker and air switch (15A) with
enough capability shall be installed in
fixed lines. Never connect the
grounding wire to gas pipe, water pipe
and grounding wire of lightening rod or
telephone equipment.
17
MCW - SVU03A - E4
Set the most appropriate
temperature. It can save the energy.
To adjust the air direction.
When the unit is running, adjust the
air discharge louver vertically by
setting the remote control, adjust the
air direction horizontaly by adjusting
the horizontal Louver manually.
The louvers can be adjusted
downward at heating operation, and
upward at cooling operation to
maximize the heating/cooling effect.
Don’t leave windows and doors
open while operating the air
conditioner for a long time.
It can decrease the air conditioning
capacity.
Don’t blow the wind to animals
and plants directly. It can cause a
bad influence to them.
Splashing water on the air
conditioner can cause an electric
shock and malfunction.
The cables of power supply of the
air conditioner employ X type
connection, don’t cut or damage
the power supply cables and
control wire, if the power supply
cables or control wire are
damaged, appropriative cables
and wires shall be used to replace.
Don’t use the air conditioner for
other purposes, such as drying
clothes, preserving foods, etc.
air deflection
louver - horizenta
l
air deflection
louver - vertical.
220-230V
Keep room
cooler than
outside
about 5
0
c
Air conditioner should be
operated with stable voltage in
range of 220 + 10%, 1ph,
otherwise, compressor would
vibrate terribly to damage
refrigeration system.
18
MCW - SVU03A - E4
Maintenance
Turn power off and pull out the
power plug before cleaning air
conditioner.
Don’t sprinkle water on the indoor
unit and the outdoor unit for
cleaning. It can cause electric
shock.
Wipe the units with a dry soft cloth,
or a cloth slightly moistened with
water or cleanser.
The units can be damaged by
gasoline, benzine, thinners
insecticides and other chemical
agents.
Remove and clean the front panel
1. Pull along the direction of arrows
to take down front panel. ( see
Figure 1,2 )
2. Washing
Wipe with a cloth slightly moistened
with water or cleanser, and then dry
it in the shade.
3. Install front panel
Put the support poles of the panel edge
into the groove of pivot, place rotate
axes of the middle into slot. Cover the
front panel and clasp it. ( see Figure 3,
4 )
WARNING!
Never use water above 45
o
c to wash
the panel, or it could cause
deformation or discolouration.
CAUTION!
Figure 1
Figure 2
Figure 4
Figure 5
Figure 3
Figure 6
Figure 7
Figure 8
19
MCW - SVU03A - E4
Maintain after the season of use
1. Clean filters and other parts.
2. Turn main power off.
3. Clear dust from the outdoor unit.
4. Repaint the rubiginous place on the
outdoor unit to prevent it from
spreading.
Installation and replacement of air
cleaner
1. Remove the air filters
(Refer to the first step of “cleaning the
air filters”)
2. Remove the air cleaners
Take off the packed bag of air cleaners,
and then put new ones into the filter
frames with ledge facing forward. (see
Figure 6,7 )
Replace air cleaners to the back of the
air filters.
3. Reinsert the air filters back to unit.
(Refer to the third step of “cleaning
the air filters”)
Be careful not to injure yourself on
the fins.
Preparation before the season of use
1. Be sure that nothing obstructs the
air outlet and intake vents.
2. Check that whether ground wire is
properly connected or not.
3. Replace filters if necessary.
4. Check if the batteries of the remote
control has been replaced.
5. Check if the mounting bracket of
outdoor unit is damaged, contact
service agency if there is any.
3. Reinsert the filters
Replace the air cleaners back to air
filter frames. Reinsert the filters with
side marked “FRONT” facing forward.
Replace the front cover.
Figure 9
Never use water above 45
o
c to wash
the filters, or it could cause
deformation or discolourtion.
Never dry the filters near the fire, or
it could cause fire or deformation.
The alternate air cleaners can be
bought in the service agency of
Trane.
CAUTION!
CAUTION!
2.Cleaning
To clear the dust adhering to the filters.
you can either use a vacuum cleaner,
or wash them with water and dry it in
the shade. ( see Figure 8 )
Cleaning the air filters
(Recommended once every three
months, more frequently needed if the
atmosphere is with too much dust).
1. Remove the air filters.
Open the front panel, hold the tab of
air filter and raise it slightly, and then
take it out, remove the air filters and
air cleaners from the
back of the air filter frames. ( see
Figure 5,6,7 )
The air cleaners include a electrostatic
air cleaner (white-green color)and a
LTC air cleaner (green color).The
electrostatic cleaner (consist of a lay
electrostatic fibre and a lay anti-
bacterium fibre) can eliminate dust and
kill the bacterium, LTC air cleaner can
remove smell, to improve the inside air
quality.
Electrostatic cleaner need to be re-
placed every 6 months.
LTC air cleaner is able to regenerate
automatically in a long time, and can
be recycle after being cleaned with
water and dry, replaced once every 3
years in common place.
20
MCW - SVU03A - E4
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