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Refrigerant Piping
Units
should
be
interconnected
preferably by copper pipes.
The Table 2 presents connection sizes
for Onix units and remote TRCE/TRAE
condensing units, as well as liquid and
suction piping sizes recommended for
the interconnection.
The
equivalent
lengths
already include losses due to valves,
curves, elbows, reductions, etc.
Maximum Distances
(Recommended)
Distance between units: 24m
Difference between unit levels: 18m
Contact Trane do Brasil for distances
above the recommended ones.
!
CAUTION:
Do not operate the unit without
air filters.
SSC-SVN001F-EN
Refrigeration Piping
(Interconnection)
Tab. 04 - Connection and Pipe Sizes Recommended by Circuit.
CXS M o d.
Line (To n)
Liq
5
1 /2"
7,5
1 /2"
1 0
5/8"
1 2,5
5/8"
1 5
7/8"
20
7/8"
25
11 /8"
Note: For equivalent lengths above the values indicated, please contact Trane or an authorized installer.
Instructions
indicated
Expansion Valve Thermostatic Bulb
-
In the suction line, as closest as
possible to the evaporator output.
- Before external equalization, in an ho-
rizontal line run.
EXPANSION VALVE
EQUALIZATION
SUCTIONPIPE
OR SUCTION HEADER
THERMAL BULB
INSULATION
MOUNTING DIAGRAM
DRIERFILTER
DRIER FILTER -
Ø1/2" AND Ø5/8" THREAD
WELDED DRIER FILTER
Ø5/8" Ø7/8" Ø1.1/8"
TRCE / TRA E
6 m
Suct
Liq
Suct
Liq
Suct
7/8"
1 /2"
7 /8"
1 /2"
7/8"
11 /8"
1 /2"
11 /8"
1 /2"
11 /8"
13/8"
5/8"
13/8"
5/8"
13/8"
13/8"
5/8"
13/8"
5/8"
13/8"
15/8"
7/8"
15/8"
3/4"
15/8"
15/8"
11 /8"
15/8"
7/8"
15/8"
2 1 /8"
11 /8"
2 1 /8"
11 /8"
2 1 /8"
for
Fixing
the
- The copper tube must be completely
clean.
- At the 12h position for pipes smaller
than 7/8", and 4h or 8h position for 7/8"
or larger pipes.
- Then insulate the pipes using thermal
sheets.
BULB
EVAPORATOR
COIL
WITH HUMIDITY INDICATOR
Ø1/2" AND 5/8" THREAD
WELDED DRIER FILTER
Welded filter Ø5/8"
only for CXPA 25
6 to 1 2 m
1 2 to 23 m
23 to 46 m
Liq
Suct
Liq
Suct
Liq
1 /2"
7/8"
1 /2"
11 /8"
5/8"
1 /2"
11 /8"
5/8"
11 /8"
3/4"
5/8"
13/8"
5/8"
13/8"
3/4"
5/8"
13/8"
3/4"
15/8"
7/8"
3/4"
15/8"
3/4"
15/8"
7/8"
7/8"
15/8"
7/8"
15/8"
7/8"
11 /8"
2 1 /8"
11 /8"
2 1 /8"
11 /8"
BULB FIXED AT 12H POSITION
FOR PIPES UP TO DIA. 3/4"
AND 4H POSITION OR 8H POSITION
FOR 7/8"-DIA. PIPES AND LARGER
12H
8H
4H
MOUNTING DIAGRAM
DRIER FILTERAND LIQUID SIGHT GLASS
LIQUID SIGHT GLASS
DRIER FILTER -
Welded filter Ø5/8"
only for CXPA 25
Ø5/8"Ø7/8"Ø1.1/8"
Suct
11 /8"
13/8"
15/8"
15/8"
2 1 /8"
2 1 /8"
2 5/8"
9
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