Trane Air Conditioner MS SVN015 EN User Manual

Installation Manual  
TM  
NEW STYLUS  
Split System, 1-5 Tons  
Convertible Type  
MCX Series 50/60 Hz  
50 Hz Models  
Cooling Only  
MCX 512 GB  
MCX 518 GB  
MCX 524 GB  
MCX 530 GB  
MCX 536 GB  
MCX 042 GB  
MCX 048 GB  
MCX 060 GB  
60 Hz Models  
Cooling Only  
MCX 512 G1  
MCX 518 G1  
MCX 524 G1  
MCX 530 G1  
MCX 536 G1  
MCX 042 G1  
MCX 048 G1  
MCX 060 G1  
July 2007  
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Contents  
General Information  
Typical Installation  
2
4
Location and Preparation of Units  
Unit Installation  
5
6
Connection of Refrigerant Tubing  
Condensate Drain Piping  
Electrical Installation  
Remote Control Installation  
Typical Wiring Diagram  
Dimensional Data  
7
9
10  
11  
12  
16  
18  
Notes  
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Typical Installation  
Return air grille  
contains air filter  
Supply air grille  
Adjustable louvers direct air  
Ceiling  
mounted  
Refrigerant tubing/wiring  
Indoor unit  
Supply air grille  
Adjustable louvers direct air  
Outdoor unit  
Drain  
Return air grille contains air filter  
Floor mounted  
Low wall mounted  
Note: For models MCX 042, MCX 048, MCX 060  
there are only two styles of installation: under ceiling and low wall  
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Location and Preparation of Units  
1. Select an appropriate position 6. Recommended  
service  
clearance as shown in figure  
2, 3 and 4.  
that allows every corners of the  
room to be uniformly air  
conditioned and where it is easy  
to route the refrigerant tubing.  
2. Ensure that the floor or ceiling  
construction is sufficient to fully  
support the weight of the indoor  
unit.  
Min. 120 cm.  
Min.  
30 cm.  
Min.  
20 cm.  
3. Consideration must be given to  
assure an unobstructed flow of  
supply and return air.  
Min.  
20 cm.  
Min.  
20 cm.  
4. Refrigerant tubes between  
indoor and outdoor units should  
be as short as possible.  
5. Length of the condensate drain  
hose should be kept as short as  
possible (Figure 1).  
Maintenance area  
(Celling mounted)  
Maintenance area  
Min.  
30 cm.  
(Low wall mounted)  
Min.  
20 cm.  
Figure 2  
Figure 4  
7. Do not install unit in direct  
sunlight or near other heat  
sources as this may affect  
performance. Do not allow  
outside air to directly enter unit  
or condensate may form at the  
unit’s discharge.  
Min.  
30 cm.  
Note: For MCX042-MCX060 the  
unit should be installed over the floor  
at least 20 cm.  
Min.  
20 cm.  
Figure 1  
Maintenance area  
(Floor mounted)  
Figure 3  
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Unit Installation  
6. Unscrew at the return grille  
(Figure 7).  
Indoor Unit  
A
1. Select a location to route tubing,  
wiring and drain pipe between  
the indoor and outdoor units.  
2. Make a hole in the wall using a  
key hole saw or hole-cutting drill  
attachment.  
8.5"(215)  
0.83"(21)  
The hole should be made at a  
slight downward slant to the  
outdoor side (Figure 5).  
B
0.83"(21)  
Outdoor side  
Figure 10  
Figure 7  
Note: = A 0.49" x 1.575" - 4 SLOT  
7. Unscrew at the grille bottom (Mounting hole) (12.5 mm 40.0 mm)  
hinges, pull out the screw, and  
Indoor side  
unscrew at the side panel front  
(Figure 8). Then, push down on  
the side panel front and pull up  
(Figure 9).  
Unit Size  
MCX 512-518  
MCX 524  
MCX 530-536  
MCX 042-048  
MCX 060  
B
36.2" (920)  
46.1" (1,170)  
55.9" (1,420)  
65.7" (1,670)  
75.6" (1,920)  
Figure 5  
Before cutting, check that no pipes  
or studs are directly behind the  
place to be cut. Avoid areas where  
electrical wiring or conduits are  
located.  
8. Place or hang the unit at the  
selected position.  
3. Place the unit on a solid and level  
foundation.  
4. Tubing, wiring through and drain  
pipe of low wall and floor  
mounted units can be routed,  
rear or right side of unit when  
facing front.  
Ceiling mounted can be routed  
straight downward.  
5. Pull air filters upward (Figure 6).  
9. Replace both right and left side  
panels, and the return grille after  
the installation of wiring, tubing  
and piping is complete.  
Outdoor Unit  
Figure 8  
See the proper installation method  
provided in the Installation Manual  
for the outdoor unit.  
Pull  
Pull  
Figure 9  
Figure 6  
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Connection of Refrigerant Tubing  
The indoor unit refrigerant line  
connections are flared both 50 Hz  
and 60 Hz. Installation brazing, leak  
When reaming, hold the tube end  
downward and be sure that no  
copper scraps fall into the tube.  
A good flare should have the  
following characteristics:  
testing, and evacuation of refrigerant 3. Remove the flare nut from the  
lines are covered in the Installer  
Manual, packaged with the outdoor  
unit. Read the instructions before  
installing the refrigerant lines.  
unit and be sure to mount it on  
the copper tube.  
-
Inside surface is glossy and  
smooth.  
Edge is smooth.  
Tapered sides are of uniform  
length.  
-
-
Deburring  
The indoor unit refrigerant piping  
connections are located on the right  
hand side when facing the unit  
(Figure 11).  
Bending  
5. When bending the tube, be  
careful not to crush it. To prevent  
crushing of the tube, bend it  
gently and do not bend the tube  
at a radius curvature of less than  
100 mm.  
Before  
After  
Figure 13  
4. Make a flare at the end of copper  
tube with a flare tool (Figure  
14, 15).  
6. If the copper tube is bent or  
pulled too often, it will become  
stiff. Do not bend the pipe more  
than three times at one place.  
Flare nut  
Figure 11  
Cautions before  
connecting tubes tightly  
Connecting the unit with flaring  
procedure.  
(Only for MCX 512-536)  
Copper  
tubing  
7. Be sure to apply a sealing cap or  
water-proof tape to prevent dust  
or water from getting into the  
tubes before they are used.  
Flare tool  
1. Flaring (If piping is procured or  
cut at the site). Cut the copper  
tube to the required length with  
a tube cutter. It is recommended  
to cut approx. 30-50 cm. longer  
than the tubing length you  
estimate.  
Figure 14  
8. Be sure to apply refrigerant  
lubricant to the matching  
surfaces of the flare and union  
before connecting them  
together. This is effective for  
reducing gas leaks (Figure 16).  
L
2. Hold each pipe downward when  
cutting and remove burrs at the  
end of the copper tube with a  
tube reamer or file. This process  
is important and should be done  
carefully to make a good flare  
(Figure 12 and Figure 13).  
Apply refrigerant  
lubricant here  
Check if (L) is flared uniform  
and is not cracked or scratched.  
L Dimension:  
Copper  
tubing  
1.4 to 1.7 mm (6.35 mm dia)  
1.8 to 2.0 mm (9.53 mm dia)  
1.9 to 2.2 mm (12.7 mm dia)  
2.1 to 2.4 mm (15.88 mm dia)  
Figure 16  
Reamer  
Figure 12  
Figure 15  
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Connection of Refrigerant Tubing  
5. Insulate the entire gas line.  
6. Do not allow uninsulated liquid  
Connection  
Connecting the unit with  
brazing procedure  
(Only for MCX 042-060)  
line to come in direct contact  
with bare gas line.  
9. For proper connection, align the  
union tube and flare tube straight  
with each other, then screw in the  
flare nut lightly at first to obtain a  
smooth match (Figure 17).  
7. Precautions should be taken to  
avoid heat damage to the  
pressure tap valve core during  
brazing. It is recommended that  
a wet rag be wrapped around the  
valve body.  
1. Cut the copper tube to the  
required length with a tube cutter.  
It is recommended to cut approx.  
20-30 cm. longer than the tube  
length you estimate.  
8. It is recommended to use braze  
shield, soak pad in water and  
place over suction and liquid  
lines to protect unit finish.  
9. To braze the copper tube, before  
brazing a copper tube to a solder  
coupling or a copper tube to an  
expanded tube, do not forget to  
keep them tight as shown in  
Figure 21, 22.  
2. Remove burrs at the end of the  
copper tube with a tube reamer  
(Figure 12).  
3. There are 2 ways to connect the  
copper tube  
Union Flare nut  
- Use a coupling between the  
copper tube of indoor unit and  
the copper tube used for  
installation (Figure 19).  
Figure 17  
10. Tighten the flare nut to the  
specified tightening torque with  
torque wrench and adjustable  
wrench (Figure 18).  
Torch  
Copper tube  
from indoor  
unit  
Copper tube  
of indoor unit  
Solder coupling  
Solder rod  
Flare Nut Tightening Torque  
Solder  
coupling  
Flare Nut/Piping Size Tightening Torque  
kgf, - cm  
lbf-in  
Copper tube from  
outdoor unit  
Copper tube of  
outdoor unit  
6.35 mm (1/4") dia. 150~200 130~170  
9.53 mm (3/8") dia. 350~400 300~340  
12.7 mm (1/2") dia. 500~550 430~470  
15.88 mm (5/8") dia. 600~650 520~570  
Figure 21  
Figure 19  
Torch  
- Expand the copper tube by  
using a swaging tool set as in  
Figure 20.  
Copper tube  
from indoor  
unit  
Swaging  
tool  
Solder rod  
Solder  
coupling  
Copper tube from  
outdoor unit  
Wrench  
Tube holder  
(Clamp)  
Figure 22  
Indoor unit  
(adjustable)  
Copper  
tube  
pipe  
10. Use a dry nitrogen purge and  
brazing alloy without flux when  
brazing the field line to the  
copper factory connection. Flow  
dry nitrogen into either valve  
pressure tap port, through the  
tubing and out the other port  
while brazing.  
Torque  
wrench  
Connection pipe  
Flare nut  
Figure 18  
Figure 20  
11. Braze using accepted good  
brazing techniques.  
11. Repeat the process above for the  
remaining line.  
4. Clean internal and external surfaces  
of coupling or expanded tube prior  
to brazing.  
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Condensate Drain Piping  
-
The drain hose should run  
straight down the wall to a  
level where the runoff will not  
stain the wall.  
-
When the drain hose is placed  
in the room, insulate the hose  
with foam polyethylene to  
avoid damage to the ceiling or  
furniture.  
-
-
There should be no traps.  
Avoid putting the end of the  
hose in water.  
-
After completing installation of  
refrigerant lines, wiring and  
drain connections, bind the  
tubing, wiring and drain hose  
(check if local codes permit  
binding) into a bundle by using  
tape at 100 or 200 mm (4" to  
8") intervals. Make sure the  
drain hose is at the bottom of  
the bundle (Figure 24).  
To conveniently drain the  
system, the drain hose must  
slant downward, with a slope  
of at least 1 : 50 to prevent  
leakage. Figure 23 shows the  
unit in the floor mounted  
position.  
Indoor unit  
Slant  
Drain hose  
Figure 24  
Drain hose  
Figure 23  
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Electrical Installation  
All wiring and grounding must  
comply with local electrical codes.  
Indoor Unit  
Remove the right side panel and  
return grille (see previous  
instructions), to access the terminal  
base.  
1. Wiring  
Important Safeguards:  
-
Check the unit nameplate  
for electrical rating.  
Be sure wiring is done  
according to local codes  
and wiring diagram.  
-
Pass the system wiring  
through the PVC pipe (both  
power and control lines) to  
interconnect indoor and  
outdoor units.  
-
Use a separate power line  
with circuit breaker for each  
air conditioning unit.  
Connect electrical ground  
to all units.  
-
-
Connect the wire terminals to  
the terminal base (see  
connection indication on  
system wiring diagram).  
Make sure all connections are  
tight.  
-
-
Wiring should not touch  
refrigerant  
tubing,  
compressor, motors or  
moving parts.  
The manufacturer will  
accept no responsibility for  
problems caused by  
unauthorized changes in  
the internal wiring.  
Outdoor unit  
Outdoor Unit - Indoor Unit Electrical  
Interconnection should be in  
accordance with the applicable  
system wiring diagram and indoor  
unit diagrams.  
-
-
Connect the wiring firmly.  
Outdoor unit diagram are contained  
in the outdoor unit Installer Manual.  
2. Electrical Connections  
See Section: Wiring System  
Diagram  
Note:  
-
All wiring must comply with  
national state and local codes.  
-
After  
completing  
the  
connections, re-confirm them  
to be in accordance with the  
unit and system wiring  
diagrams.  
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Remote Control Installation  
Locate and attach the  
wireless remote control  
and wired control as  
follows:  
1. Do not place the control and  
the remote control near heat  
sources or expose to the  
direct rays of the sun.  
90.0  
61.0  
14.5  
14.5  
2. Do not expose the control to  
the indoor unit’s supply air  
stream.  
3. Do not place in a confined  
space.  
4. Attach the remote control  
holder as shown in Figure 25,  
26.  
4.0 X 2  
SLOT  
ECONO  
FAN  
ON COOL  
DRY  
HEAT  
AUTO  
OFF  
POWERCOOL  
Z Z  
SW  
Dimension  
MODE  
ON  
LOUVER  
POWER  
COOL  
OFF  
SWEEP  
ECONO  
FRONT  
BLADE  
SLEEP  
SEND  
LIGHT  
ON  
OFF  
SLEEP ECONO  
ECONO  
AU  
SW  
T
O
TURBO  
ON  
TURBO  
OFF  
TEMP  
MENU  
MODE  
FA  
N
Wireless Remote Control  
Figure 25  
Remote Control  
Mounting Bracket  
Figure 26  
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Typical Wiring Diagram  
MCX512-536GB (50 Hz)  
MCX512-536G1 (60 Hz)  
INDOOR UNIT, COOLING ONLY WITH CONTROL TYPE “R”, 4 SPEED  
1. FREEZE SENSOR  
LOCATED ON  
1
2
EVAPORATOR COIL  
2. TEMPERATURE  
SENSOR LOCATED  
IN RETURN AIR  
STREAM  
GRN/YL  
P21  
FREEZE  
ROOM  
P26  
DISPLAY  
SWEEP MOTOR  
(OPTION)  
INFRARED RECEIVER  
WHT  
GRN/YL  
L
N C1 C2  
WIRELESS REMOTE  
CONTROLLER  
WIRING TO  
GROUNDING SYSTEM  
POWER SUPPLY  
220-240VAC/1PH/50Hz  
220-240VAC/1PH/60Hz  
BLOWER  
MOTOR  
200-240 VAC CONTROL  
WIRING TO OUTDOOR UNIT  
DESCRIPTION  
COLOR CODE  
FIELD WIRING  
FACTORY WIRING  
COIL  
BLU  
BLK  
RED  
WHT  
GRN  
YL  
BLUE  
BLACK  
RED  
WHITE  
GREEN  
YELLOW  
BROWN  
JUNCTION  
TERMINAL BOARD  
CAPACITOR  
BR  
FUSE 3 AMP.  
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Typical Wiring Diagram  
MCX042-060GB (50 Hz)  
MCX042-060G1 (60 Hz)  
INDOOR UNIT, COOLING ONLY WITH CONTROL TYPE “R”, 3 SPEED  
1. FREEZE SENSOR  
LOCATED ON  
1
2
EVAPORATOR COIL  
2. TEMPERATURE  
SENSOR LOCATED  
IN RETURN AIR  
STREAM  
GRN/YL  
P21  
FREEZE  
ROOM  
P26  
DISPLAY  
INFRARED RECEIVER  
WHT  
GRN/YL  
L
N C1 C2  
WIRELESS REMOTE  
CONTROLLER  
WIRING TO  
GROUNDING SYSTEM  
POWER SUPPLY  
220-240VAC/1PH/50Hz  
220-240VAC/1PH/60Hz  
BLOWER  
MOTOR  
200-240 VAC CONTROL  
WIRING TO OUTDOOR UNIT  
DESCRIPTION  
COLOR CODE  
FIELD WIRING  
FACTORY WIRING  
COIL  
BLU  
BLK  
RED  
WHT  
GRN  
YL  
BLUE  
BLACK  
RED  
WHITE  
GREEN  
YELLOW  
BROWN  
JUNCTION  
TERMINAL BOARD  
CAPACITOR  
BR  
FUSE 3 AMP.  
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Typical Wiring Diagram  
MCX512-536GB (50 Hz)  
MCX512-536G1 (60 Hz)  
INDOOR UNIT, COOLING ONLY WITH CONTROL TYPE “W”, 4 SPEED  
1. FREEZE SENSOR  
LOCATED ON  
1
2
EVAPORATOR COIL  
2. TEMPERATURE  
SENSOR LOCATED  
IN RETURN AIR  
STREAM  
GRN/YL  
P21  
P31  
FREEZE  
ROOM  
DISPLAY  
SWEEP MOTOR  
(OPTION)  
WIRE DISPLAY  
GRN/YL  
WHT  
L
N C1 C2  
POWER SUPPLY  
220-240VAC/1PH/50Hz  
220-240VAC/1PH/60Hz  
WIRING TO  
GROUNDING SYSTEM  
BLOWER  
MOTOR  
200-240 VAC CONTROL  
WIRING TO OUTDOOR UNIT  
DESCRIPTION  
COLOR CODE  
FIELD WIRING  
FACTORY WIRING  
COIL  
BLU  
BLK  
RED  
WHT  
GRN  
YL  
BLUE  
BLACK  
RED  
WHITE  
GREEN  
YELLOW  
BROWN  
JUNCTION  
TERMINAL BOARD  
CAPACITOR  
BR  
FUSE 3 AMP.  
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Typical Wiring Diagram  
MCX042-060GB (50 Hz)  
MCX042-060G1 (60 Hz)  
INDOOR UNIT, COOLING ONLY WITH CONTROL TYPE “W”, 3 SPEED  
1. FREEZE SENSOR  
LOCATED ON  
1
2
EVAPORATOR COIL  
2. TEMPERATURE  
SENSOR LOCATED  
IN RETURN AIR  
STREAM  
GRN/YL  
P21  
ROOM  
P31  
FREEZE  
DISPLAY  
WIRE DISPLAY  
GRN/YL  
WHT  
L
N C1 C2  
POWER SUPPLY  
220-240VAC/1PH/50Hz  
220-240VAC/1PH/60Hz  
WIRING TO  
GROUNDING SYSTEM  
BLOWER  
MOTOR  
200-240 VAC CONTROL  
WIRING TO OUTDOOR UNIT  
DESCRIPTION  
COLOR CODE  
FIELD WIRING  
FACTORY WIRING  
COIL  
BLU  
BLK  
RED  
WHT  
GRN  
YL  
BLUE  
BLACK  
RED  
WHITE  
GREEN  
YELLOW  
BROWN  
JUNCTION  
TERMINAL BOARD  
CAPACITOR  
BR  
FUSE 3 AMP.  
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Dimensional Data  
OUTLINE DIMENSIONS  
MCX512-536GB (EXPORT 50 Hz)  
MCX512-536G1 (EXPORT 60 Hz)  
DIMENSIONAL DATA  
MODEL  
CONN. SIZES  
LIQUID SUCTION  
A
B
C
TYPE  
CONNECTIONS.  
IN.  
(MM.)  
IN.  
(MM.)  
EACH  
MCX512GB/G1  
MCX518GB/G1  
1/4 (6.4)  
3/8 (9.5)  
3/8 (9.5)  
1/2 (12.7)  
5/8 (15.9)  
5/8 (15.9)  
FLARED  
FLARED  
FLARED  
42.28 (1074.0)  
51.13 (1324.0)  
61.97 (1574.0)  
34.61  
(879.0)  
4
4
6
6
MCX524GB/G1  
MCX530GB/G1  
MCX536GB/G1  
44.45 (1129.0)  
54.29 (1379.0)  
54.29 (1379.0)  
3/8 (9.5)  
3/4 (19.0)  
FLARED  
61.97 (1574.0)  
NOTE  
1) SUCTION AND LIQUID LINES HAVE FLARE TYPE CONNECTIONS.  
2) DIMENSIONS : MILIMETERS [INCHES] 25.4 MM. = 1 IN.  
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Dimensional Data  
OUTLINE DIMENSIONS  
MCX042-060GB (EXPORT 50 Hz)  
MCX042-060G1 (EXPORT 60 Hz)  
DIMENSIONAL DATA  
CONN. SIZES  
TYPE  
A
B
C
D
MODEL  
LIQUID  
SUCTION  
7/8 (22.2)  
CONNECTIONS.  
IN.  
(MM.)  
IN.  
(MM.)  
EACH  
IN.  
(MM.)  
(400)  
MCX042GB/G1  
MCX048GB/G1  
3/8 (9.5)  
3/8 (9.5)  
BRAZED  
BRAZED  
71.81 (1824.0)  
81.65 (2074.0)  
64.13 (1629.0)  
73.98 (1879.0)  
8
8
15.76  
1-1/8 (28.6)  
MCX060GB/G1  
3/8 (9.5)  
1-1/8 (28.6)  
BRAZED  
23.64  
(600)  
NOTE  
1) DIMENSIONS : MILIMETERS [INCHES] 25.4 MM. = 1 IN.  
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Notes  
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Notes  
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Literature Order Number: MS-SVN015-EN  
Date:  
Jul 2007  
Supersedes:  
Stocking Location:  
Oct 2002  
Trane  
A business of American Standard Companies  
Bangkok, Thailand  
Trane has a policy of continuous product and product data improvement and reserves the right to  
change design and specific ations without notice. Only qualified technicians should perform the installation  
and servicing of equipment referred to in this publication.  
For more information, contact your local district  
office  
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