United Technologies Carrier CRSOUBLN001A00 User manual

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480237-01 Printed in U.S.A. Form 48/50-91SI Pg 1 1-19 Replaces: 48/50-84SI
Installation Instructions
Part No: CRSOUBLN001A00, CRSOUBLN002A00, CRSOUBLN003A00,
CRSOUBLN004A01, CRSOUBLN005A01, CRSOUBLN006A00 and
CRSOUBLN007A00
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install, re-
pair, or service air-conditioning equipment.
Untrained personnel can perform basic maintenance functions
of cleaning coils and filters and replacing filters. All other op-
erations should be performed by trained service personnel.
When working on air-conditioning equipment, observe precau-
tions in the literature, tags and labels attached to the unit, and
other safety precautions that may apply.
Follow all safety codes, including ANSI (American National
Standards Institute) Z223.1. Wear safety glasses and work
gloves. Use quenching cloth for unbrazing operations. Have
fire extinguisher available for all brazing operations.
INTRODUCTION
This accessory package is intended for use with 48/50A,
48/50N and 48/50P units. See Table 1 for accessory package
usage. Part no. CRSOUBLN002A00 is for tandem compres-
sors. All other part numbers are for single compressor.
The following are the procedures to install the low sound com-
pressor blanket.
48/50P INSTALLATION
1. 48/50P 030-060 unit sizes:
a. Remove optional security grilles if present.
b. Access compressor section through opening on end or
side of unit. See Fig. 1.
c. Remove or open 2 compressor access panels or doors.
See Fig. 1-3.
48/50P 070-100 unit sizes:
a. Remove optional condenser grilles, if present.
b. Access compressors from side and end of the unit.
See Fig. 4.
WARNING
Electrical shock can cause personal injury and death. Shut off
all power to this equipment during installation. There may be
more than one disconnect switch. Tag all disconnect locations
to alert others not to restore power until work is completed.
Table 1 — Accessory Package Usage
UNIT SIZE ACCESSORY PART NO. QTY
48/50P
with and without
Digital Compressor Option
030,035 CRSOUBLN001A00 2
040 CRSOUBLN001A00 3
050-075 CRSOUBLN001A00 4
090-100 CRSOUBLN001A00 6
48/50A
without
Digital Compressor Option
020, 025, 027 CKT A CRSOUBLN002A00 1
020, 025, 027 CKT B CRSOUBLN003A00 1
030 CKT A, CKT B CRSOUBLN002A00 2
035 CKT A CRSOUBLN002A00 1
035 CKT B CRSOUBLN005A01 2
040, 050 CKT A, CKT B CRSOUBLN005A01 4
060 CKT A, CKT B CRSOUBLN001A00 4
48/50A
with
Digital Compressor Option
020, 025, 027 CKT A CRSOUBLN002A00 1
020, 025, 027 CKT B CRSOUBLN007A00 1
030 CKT A CRSOUBLN004A01 2
030 CKT B CRSOUBLN002A00 1
035 CKT A CRSOUBLN002A00 1
035 CKT B CRSOUBLN005A01 2
040, 050 CKT A, CKT B CRSOUBLN005A01 4
060 CKT A, CKT B CRSOUBLN006A00 4
48/50N
with and without
Digital Compressor Option
75 Ton CRSOUBLN001A00 5
90 and 105 Ton CRSOUBLN001A00 6
120, 130, and 150 Ton CRSOUBLN001A00 8
48/50A, 48/50N, 48/50P
Compressor Sound Blanket Accessory

2
Fig. 1 — 48P030,035 Compressor Access
Fig. 2 — Compressor Access, 48/50P 040,050 Sizes
Fig. 3 — Compressor Access Panel,
48/50P 055,060 Sizes Shown
Fig. 4 — 48/50P 070-100 Sizes
2. Wrap the sound blanket around the compressor in clock-
wise direction. See Fig. 5.
3. Align the slots in the blanket with the suction tube on the
compressor. See Fig. 5.
4. Secure the blanket near suction tube with the hook and
loop strips. See Fig. 5.
5. Wrap the blanket around the compressor terminal box. See
Fig. 6.
6. Attach the hook and loop strips on the vertical seam to
secure the blanket to the compressor. See Fig. 6.
7. Attach top flap of blanket with the hook and loop strips
while aligning the discharge opening with the discharge
line. See Fig. 7.
NOTE: All wires pass under the blanket.
8. Repeat Steps 2 through 7 for installation of sound blankets
on all compressors.
9. Replace the compressor access panels and security grilles
where used.
CONTROL BOX
COMPRESSOR
ACCESS
PANEL
(END OF UNIT)
a48-8652
COMPRESSOR
ACCESS PANELS
COMPRESSOR
ACCESS PANELS
A48
-8643

3
Fig. 5 — Align Blanket Slots with Suction Tube for
Single Compressors
Fig. 6 — Wrap and Secure Sound Blanket Around
Compressor and Terminal Box for
Single Compressors
Fig. 7 — Attach Top Flap of Blanket with Hook and
Loop Strip for Single Compressors
48/50A INSTALLATION
The 48/50A units use part numbers CRSOUBLN001A00,
CRSOUBLN003A00, CRSOUBLN004A01, CRSOUBLN005A01,
CRSOUBLN006A00, and CRSOUBLN007A00 for single
compressors and part number CRSOUBLN002A00 for tandem
compressors.
1. 48/50A 020-035 unit sizes:
a. Open the compressor access door as shown in Fig. 8.
b. Access compressors through side of unit.
48/50A 040-050 unit sizes:
a. Open the compressor access doors. See Fig. 9.
b. Access compressors through end of unit.
48/50A 060 unit sizes with round tube-plate fin condenser
coils:
a. Open the compressor access doors. See Fig. 10.
b. Access compressors from end of unit.
48/50A 060 unit sizes with microchannel condenser coil:
a. Remove optional condenser grilles if equipped. See
Fig. 11.
b. Access compressors through side or end of unit.
HOOK AND LOOP
STRIPS
COMPRESSOR
DISCHARGE LINE
TERMINAL BOX
BLANKET
SUCTION TUBE
BLANKET SLOT
ALIGNING WITH
SUCTION TUBE
A38-7217
TOP HOOK AND
LOOP STRIP
TOP FLAP
BLANKET
BLANKET IS
WRAPPED
AROUND
TERMINAL BOX
COMPRESSOR
POWER LEADS
FOR UNITS
DISCHARGE OPENING
BLANKET
DISCHARGE LINE
POWER LEADS
FOR UNITS
TOP FLAP

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Fig. 8 — Compressor Access Door
48/50A 020-035 Sizes
Fig. 9 — Compressor Access Doors
48/50A 040,050 Sizes
Fig. 10 — 48/50A 060 Size Compressor
Access Door
Fig. 11 — 48/50A 060 Size Compressor Access
2. Wrap the sound blanket around the compressors and tubing in
clockwise direction. See Fig. 5 for single compressors and
Fig. 12 for tandem compressors.
3. Align the slots in the blanket with the suction tube on the
compressor. See Fig. 5 for single compressors and Fig. 13 for
tandem compressors.
4. Secure the blanket near suction tube with the hook and loop
strip strips. See Fig. 5 for single compressors and Fig. 13 for
tandem compressors.
5. Wrap the blanket around the compressor terminal box. See
Fig. 6 for single compressors and Fig. 13 for tandem compres-
sors.
6. Attach the hook and loop seam to secure the blanket to the
compressor. See Fig. 6 for single compressors and Fig. 13 for
tandem compressors.
7. Attach top flap of blanket with the hook and loop strips while
aligning the discharge opening with the discharge line. See
Fig. 7 for single compressors and Fig. 14 for tandem com-
pressors.
NOTE:All wires pass under the blanket.
8. Repeat Steps 2 through 7 for installation of sound blanket to
all compressors.
COMPRESSOR
ACCESS DOORS
A48-8644
COMPRESSOR
ACCESS DOORS
A48-8645
COMPRESSOR
ACCESS DOORS
CONDENSER GRILLES
(OPTIONAL)
A48-8647

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Fig. 12 — Compressor Blanket Around Pipe
and Compressors for Tandem Compressors
Fig. 13 — Align and Secure Blanket Slots with
Suction Tube for Tandem Compressors
Fig. 14 — Attach Top Flap of Blanket with Hook and
Loop Strip for Tandem Compressors
COMPRESSORS
TUBING
BLANKET
A48-8648
BLANKET
SLOTS
A48-8649
TOP FLAP
HOOK AND
LOOP STRIPS
BLANKET
A48-8650