Powerex SBS0307 Manuale utente
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or prop-
erty damage! Retain instructions for future reference.
Powerex • 150 Production Drive • Harrison, OH 45030 • USA
Descriptions
GENERAL
The Powerex Oilless Rotary Scroll Air
Compressor has advanced scroll com-
pressor technology through the devel-
opment of a completely oilless unit.
The Powerex Scroll Compressor offers a
dynamically balanced air end which
insures vibration-free operation. The
rotary design permits a continuous
100% duty cycle. No oil separation, oil
filtration, or inlet valves are required
on the Powerex Scroll unit.
COMPRESSION CYCLE
The Powerex oilless rotary scroll air
compressor is based on the theory of
scroll compression. A scroll is a free
standing, intricate spiral bounded on
one side by a solid, flat plane or base. A
scroll set, the basic compression ele-
ment of a scroll compressor, is made up
of two identical spirals which form
right and left hand parts. One of these
scroll components is indexed or phased
180owith respect to the other so the
scrolls can mesh. Crescent-shaped gas
pockets are formed and bounded by
the spirals and the base plate of both
scrolls. As the moving scroll is orbited
around the fixed scroll, the pockets
formed by the meshed scrolls follow
the spiral toward the center and dimin-
ish in size. The moving scroll is prevent-
ed from rotating during this process so
the 180ophase relationship of the
scrolls is maintained. The compressor’s
inlet is at the outer boundary of the
scrolls. The compressed gas is dis-
charged through the outlet at the cen-
ter of the fixed scroll so no valves are
needed.
Scroll Tankmount/Basemount Air Compressors
TIP SEAL
The tip seal on the scroll compressor is
self-lubricated and allows the unit to
operate efficiently without oil and
expensive filtration. The tip seal should
be replaced every 10,000 hours of
operation.
BEARINGS
The bearings on the scroll compressor
are regreaseable to allow extended
compressor life. Service should be per-
formed every 10,000 hours of opera-
tion.
DRY TYPE INLET FILTER
(P/N 91348550)
Order P/N 91348550 for both the 3 HP
and 5HP units. Change every 2,500
hours or more often in dirty locations.
HOURMETER
The hourmeter on the scroll compres-
sor indicates the actual number of
hours the unit has been in operation.
The hourmeter is also used to deter-
mine maintenance and service timing.
An hourmeter must be installed
with every Scroll compressor.
CONDENSATE DRAIN VALVE
A condensate drain valve must be
installed on any tank used to allow
removal of the liquid which will collect
during compressor operation.
Drain liquid from
tank daily.
!
NOTICE
IN258902AV 9/06
PURE AIR TECHNOLOGY
Breathable Air Warning
This compressor/pump is NOT
equipped and should NOT be used
“as is” to supply breathing quality
air. For any application of air for
human consumption, you must fit
the air compressor/pump with
suitable in-line safety and alarm
equipment. This additional equip-
ment is necessary to properly filter
and purify the air to meet minimal
specifications for Grade D breath-
ing as described in Compressed
Gas Association Commodity
Specification G 7.1 - 1966, OSHA 29
CFR 1910. 134, and/or Canadian
Standards Associations (CSA).
DISCLAIMER OF WARRANTIES
IN THE EVENT THE COMPRESSOR
IS USED FOR THE PURPOSE OF
BREATHING AIR APPLICATION
AND PROPER IN-LINE SAFETY
AND ALARM EQUIPMENT IS NOT
SIMULTANEOUSLY USED, EXIST-
ING WARRANTIES ARE VOIDED,
AND POWEREX DISCLAIMS ANY
LIABILITY WHATSOEVER FOR
ANY LOSS, PERSONAL INJURY OR
DAMAGE.
!
DANGER
2
Scroll Air Compressors Tankmount/Basemount
Installation
RECEIVING THE UNIT
Immediately upon receipt of the scroll
compressor, the unit should be inspect-
ed for any damage which may have
occurred in shipment. Any shipping
damage must be immediately filed with
the freight carrier.
The compressor nameplate should be
checked to see if the unit is the correct
model and voltage as ordered.
APPLICATION
When the scroll compressor is to be
used in applications other than the
compressing of atmospheric air, please
contact a Powerex representative for
engineering and warranty information
at 1-888-769-7979.
INSTALLATION SITE
1. The scroll compressor must be locat-
ed in a clean, well lit and well venti-
lated area.
2. The area should be free of excessive
dust, toxic or flammable gases, mois-
ture, water and direct sunlight.
3. Never install the compressor where
the ambient temperature is higher
than 104oF or where humidity is high.
4. Clearance must allow for safe, effec-
tive inspection and maintenance.
5. If necessary, use metal shims or leveling
pads to level the compressor. Never use
wood to shim the compressor.
VENTILATION
1. If the scroll compressor is located in a
totally enclosed room, an exhaust fan
with access to outside air must be
installed.
2. Never restrict the cooling fan
exhaust air.
3. Never locate the compressor where
hot exhaust air from other heat gen-
erating units may be pulled into the
unit.
WIRING
Refer to the general product manual.
All electrical hook-ups must be per-
formed by a qualified electrician.
Installations must be in accordance
with local and national electrical codes.
Use solderless terminals to connect the
electric power source.
PIPING
Refer to the general product manual.
1. Make sure the piping is lined up
without being strained or twisted
when assembling the piping for the
scroll compressor.
2. Appropriate expansion loops or
bends should be installed at the com-
pressor to avoid stresses caused by
changes in hot and cold conditions.
3. Piping supports should be anchored
separately from the compressor to
reduce noise and vibration.
4. Never use any piping smaller than
the compressor connection.
5. Use flexible hose to connect the out-
let of the compressor to the piping so
that the vibration of the compressor
does not transfer to the piping.
SAFETY VALVES
Tank mounted compressors are shipped
from the factory with safety valves
installed in the tank. The flow capacity
of the safety valve is equal to or greater
than the capacity of the compressor.
1. The pressure setting of the safety
valve must be no higher than the
maximum working pressure of the
tank.
2. Safety valves should be placed ahead
of any possible blockage point in the
system, i.e. shutoff valve.
3. Avoid connecting the safety valve
with any tubing or piping.
4. Manually operate the safety valve
every six months to avoid sticking or
freezing.
Operation
BEFORE START UP
1. Make sure all safety warnings, labels
and instructions have been read and
understood before continuing.
2. Remove any shipping materials,
brackets, etc.
3. Confirm that the electric power
source and ground have been firmly
connected.
4. Be sure all pressure connections are
tight.
5. Check to be certain all safety relief
valves, etc., are correctly installed.
6. Check that all fuses, circuit breakers,
etc., are the proper size.
7. Make sure the inlet filter is properly
installed.
8. Confirm that the drain valve is closed.
9. Visually check the rotation of the
compressor pump. If the rotation is
incorrect, have a qualified electrician
correct the motor wiring.
START-UP AND OPERATION
1. Follow all the procedures under
“Before start-up” before attempting
operation of the compressor.
2. Switch the electric source breaker on.
3. Open the tank discharge valve com-
pletely.
4. Check that the compressor operates
without excessive vibration, unusual
noises or leaks.
5. Close the discharge valve completely.
6. If the pressure does not rise on a
three phase unit, turn the unit off.
Have a qualified electrician switch
the breaker OFF and exchange the L1
and L2 connections (two out of three
phases of electric source) inside the
magnetic starter enclosure.
7. Check the discharge pressure. Also
make sure the air pressure rises to the
designated pressure setting by check-
ing the discharge pressure gauge.
8. Check the operation of the pressure
switch by opening the tank outlet
valve and confirming the compressor
starts as pressure drops.
Minimum Clearances
Above 24”
Drive belt side 12”
Other sides 20”
3
Scroll Air Compressors Tankmount/Basemount
RESET
RESET
Figure 1 - SBS Scroll Basemount Simplex
Figure 2 - STS Scroll Tankmount
Figure 3 - STD Scroll Tankmount Duplex
Aftercooler
Scroll Air End
Pressure
Switch
Starter
ASME Receiver
30/60 Gallon
Auto Drain
(optional)
ASME Receiver
30/60 Gallon
Beltguard
Pulley
Belt
3/4” NPT
Outlet
Aftercooler Scroll
Air End
Aftercooler Scroll
Air End
ASME
Receiver
Tank
Lag
Pressure
Switch
Starter
Lead
Pressure
Switch
Motor
3 or 5 HP Beltguard
Pulley
Belt
3/4” NPT
Outlet
RESET
4
Scroll Air Compressors Tankmount/Basemount
SCFM Full Load Gallon Dimension Ship
Model HP Phase @100 PSIG Voltage Amperage Tank LxWxH Weight (Lbs.)
SBS0307 3 3 8.6 208/230/460 8.7/8.0/4.0 Basemount 29x19x19 160
SBS1307 3 1 8.6 230 17 Basemount 29x19x19 175
SBS0507 5 3 14.7 208/230/460 13.7/13.2/6.6 Basemount 29x19x19 180
SBS1517 5 1 14.7 230 25 Basemount 29x19x19 190
Specifications
Scroll Basemount Simplex - Model SBS
SCFM Full Load Gallon Dimension Ship
Model HP Phase @100 PSIG Voltage Amperage Tank LxWxH Weight (Lbs.)
STS030 3 3 8.6 208/230/460 8.7/8.0/4.0 30 / 60 39x22x35 / 51x23x39 280 / 390
STS130 3 1 8.6 230 17 30 / 60 39x22x35 / 51x23x39 295 / 405
STS050 5 3 14.7 208/230/460 13.7/13.2/6.6 30 / 60 39x22x35 / 51x23x39 300 / 410
STS151 5 1 14.7 230 25 30 / 60 39x22x35 / 51x23x39 310 / 420
Scroll Tankmount Simplex - Model STS
SCFM Full Load Gallon Dimension Ship
Model HP Phase @100 PSIG Voltage Amperage Tank LxWxH Weight (Lbs.)
STD030 3 (2) 3 17.2 208/230/460 17.4/16.0/8.0 80 64x26x40 650
STD130 3 (2) 1 17.2 230 34 80 64x26x40 680
STD050 5 (2) 3 29.4 208/230/460 27.4/26.4/13.2 80 / 120 64x26x40 / 71x35x75 690 / 715
STD151 5 (2) 1 29.4 230 50 80 / 120 64x26x40 / 71x35x75 710 / 735
Scroll Tankmount Duplex - Model STD
D
X
X
X
X
X
X
X
XX
X
X
X
X
X
X
X
X
X
Refrigerated or Desiccant Dryers
Magnetic Starter
Automatic
Drain
Corrosion Resistant Tanks
MODEL SBS MODEL STS MODEL STD OPTIONAL EQUIPMENT
RESET
RESET
5
Maintenance Schedule
Operating Hours
Item Action needed 500 2500 5000 10,000 15,000 20,000 Remarks
Tank Drain moisture Daily
Inlet air filter Replace (Every 2,500 hrs or less) Part #91348550
Blower fan Clean
Fan Duct Clean
Compressor Fins Clean (Every 2,500 hrs or less)
Bearings Grease Service Center Only
Tip seal Replace
Dust seal Replace
V-belt Inspect, replace *Note 3
Pressure Switch Confirm operation
Magnetic starter Inspect Replace if contact
points deteriorated
Safety valve Confirm operation (Every 2,500 hrs or less)
Pressure gauge Inspect (Every 2,500 hrs or less)
Inspect
Replace
NOTES:
1. Inspect and perform maintenance periodically according to maintenance schedule.
2. The maintenance schedule relates to the normal operating conditions. If the circumstances and load condition are adverse,
shorten the cycle time and do maintenance accordingly.
3. * The tension of the V-belt should be adjusted during the initial stage and inspected every 2,500 hours afterwards. Proper
belt tension for 3 HP units is 7 lbs./.16” deflection; for 5 HP units, 7 lbs./.19” deflection.
4. See Compressor Pump Manuals for replacement or service procedures.
Scroll Air Compressors Tankmount/Basemount
6
Scroll Air Compressors Tankmount/Basemount
Electrical Wiring Diagram - Simplex
Figure 4 - 3-5 HP Basemount/Simplex Single-Phase 208/230 Volts
Field furnished
power supply
Disconnect
Red
Black Motor
Red
Red
Pressure
electric
switch
L1 L2
T1 T2
Open
Red Black
Red
Red
Red
Red
Black
Red
Blank
Main disconnect and branch circuit protection to be installed by a
qualified electrician in accordance with national and local codes.
7
Scroll Air Compressors Tankmount/Basemount
Electrical Wiring Diagram - Simplex
Figure 5 - 3-5 HP Basemount/Simplex Three-Phase 208-230/460 Volts
Disconnect
Black
Motor
Red
Pressure
electric
switch
L1 L2
T1 T2
L3
T3
Blue
Red
Red
Red
Black
Blue
Field furnished
power supply
Main disconnect and branch circuit protection to be installed by a
qualified electrician in accordance with national and local codes.
8
Scroll Air Compressors Tankmount/Basemount
PANEL DATA - 3 PHASE, 60 Hz
OVERLOAD SETTINGS TOTAL PANEL
F.L.A. F.L.A.
TOTAL
UNIT 208 230 460 PANEL 208 230 460
HP VOLT VOLT VOLT HP VOLT VOLT VOLT
3 10.29 9.2 4.6 6 21.1 18.9 9.7
5 15.56 14.0 7.0 10 31.6 28.5 14.5
Figure 6 - 3-5 HP Duplex Three-Phase 208-230/460 Volts
9
Scroll Air Compressors Tankmount/Basemount
Replacement Parts List for SBS Models
RESET
RESET
RESET
Ref. SBS Model
No. Description Part Number Qty.
1 Motor 3 HP 3 Phase MC022374AV 1
Motor 3 HP 1 Phase MC301519AV 1
Motor 5HP 3 Phase MC022307AV 1
Motor 5HP 1 Phase MC301520AV 1
2 Base BA000301AV 1
3 Angle bracket ST185500AV 4
4 Beltguard back BG303800AV 1
5 Bracket SL050700AV 1
6 Beltguard front BG303900AV 1
7 3 HP Beltguard bracket BG304000AV 1
5 HP Beltguard bracket BG304100AV 1
8ΔBelt:
3 HP BT010700AV 1
5 HP BT010700AV 2
9ΔMotor pulley:
3 HP PU009753AV 1
5 HP PU009754AV 1
10 Pressure switch CW207559AV 1
11 Starter:
3 HP 230V 1 Phase JP001045AV 1
5 HP 230V 1 Phase IP001046AV 1
3 HP 230V 3 Phase JP001047AV 1
5 HP 230V 3 Phase JP001049AV 1
3 HP 460V 3 Phase JP001048AV 1
5 HP 460V 3 Phase JP001050AV 1
12 90° Elbow ST074204AV 1
13 1/2" Flare ST126207AV 1
14 Discharge tube SL300900AV 1
15 90° Flare elbow ST126204AV 1
16 Aftercooler SL300100AV 1
17 Left aftercooler bracket SL300200AV 1
18 Right aftercooler bracket SL300300AV 1
19 ΔCheck valve IP087700AV 1
20 ΔSafety valve V-215100AV 1
21 Scroll air end:
3 HP SL014002AJ 1
5 HP SL016502AJ 1
(Δ) Not shown.
1
23
45
6
7
10 11
12
13
14
15
16
17
18
21
10
Scroll Air Compressors Tankmount/Basemount
Replacement Parts List for STS Models
Ref. STS Model
No. Description Part Number Quantity
1 Motor:
3 HP 3 Phase MC022374AV 1
3 HP 1 Phase MC301519AV 1
5 HP 3 Phase MC022307AV 1
5 HP 1 Phase MC301520AV 1
2 Starter:
3 HP 230V 1 Phase JP001045AV 1
5 HP 230V 1 Phase JP001046AV 1
3 HP 230V 3 Phase JP001047AV 1
5 HP 230V 3 Phase JP001049AV 1
3 HP 460V 3 Phase JP001048AV 1
5 HP 460V 3 Phase JP001050AV 1
3 Receiver tank:
30 gallon AR024700AJ 1
60 gallon AR022500AJ 1
4 Beltguard BT303900AV 1
5 Motor pulley:
3 HP PU009753AV 1
5 HP PU009754AV 1
6 Guard plate BG217500AV 1
7 Aftercooler SL300100AV 1
8 Tube air end/aftercooler SL301000AP 1
9 Tube aftercooler/tank SL300900AP 1
10 Check valve IP087700AV 1
11 Pressure gauge GA016701AV 1
12 Safety valve V-215100AV 1
13 Pressure switch CW207573AV 1
14 Scroll air end:
3 HP SL014002AJ 1
5 HP SL016502AJ 1
15 Belt:
3 HP BT010702AV 1
5 HP BT010702AV 2
4
1
2
5
6
3
7
814
9
10 11
12
13
15
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