13–10–612 Page 9
unit near level. Temporary installation may be made at
a maximum of 10
_
angle lengthwise or 30
_
sidewise.
Mounting bolts are not normally required. However,
installation conditions such as piping rigidity, angle of
tilt, or danger of shifting from outside vibrations or mov-
ing vehicles may require the use of mounting bolts to
the foundation.
OIL RESERVOIR DRAIN (FIGURE 1–3, page 2) –
The oil reservoir drain valve is located near the center
of the oil reservoir just below the separator tower. The
drain valve is approximately five (5) inches from the
floor level. If this height is not sufficient to conveniently
drain the oil, some other methods of providing oil drain
are:
1.
Elevate the compressor unit on the foundation to
obtain the desired drain height.
2.
Construct an oil sump or trough below the floor
level and pump or bail the drained oil.
3.
Pump oil from the reservoir filler opening or reser-
voir drain to a container.
ACOUSTIC ENCLOSURE – The Electra–Saver unit is
furnished with an acoustic enclosure over the compres-
sor only, as standard equipment. The enclosure re-
duces the normal operating sound of the unit to 90 DBA
or below in free field conditions.
AIR–COOLED OIL COOLER MODULE – The air–
cooled oil cooler is a separate module and may be
mounted remote to the compressor unit.
Ventilation – The oil cooler requires adequate cooling
air flow. Proper ventilation MUST be provided, with hot
air exhausted away from the cooler; take care that hot
air is not recirculated from the exhaust to the inlet side
of the cooler. Cooling air flow direction is from the motor
side through the grille side of the oil cooler. Do not ob-
struct the air flow to or from the cooler. Allow two (2)
feet clearance on all sides of the cooler module. See
FIGURE 2–2, page 8, for cooling air flow require-
ments.
Low Oil Pressure Protection – The standard factory–
installed low oil pressure shutdown is incorporated in
the functions of the Auto Sentry ”ES” Controller, and
will prevent start–up or shut the unit down if oil pressure
is not established or maintained due to malfunction in
the oil cooler system.
Oil Cooler – Location and General Piping – The oil
cooler module can be mounted in any of several remote
locations: close coupled but not joined to the compres-
sor unit; horizontal remote, located on the same level
as the compressor unit, but some distance away; or
overhead remote, located above level of the compres-
sor unit, as on a roof.
The low demand mode switch cannot
be used with remote overhead oil
coolers. These units require special
wiring diagram – check with the facto-
ry. Use of low demand switch with an
overhead cooler could result in dam-
age to the compressor.
All piping and wiring between the compressor unit and
the remote oil cooler is to be supplied by the user. The
design of the remote oil cooler module system
must be approved by the Factory before installa-
tion. The design information to be submitted for ap-
proval includes:
1.
Location of oil cooler module – inside or outdoors.
2.
Range of operating ambient temperatures at the
oil cooler location.
3.
Elevation of the oil cooler above the compressor
unit.
4.
Pipe type and size(s) to be used to connect the oil
cooler and the compressor unit. Minimum pipe
size is 2” NPT.
5.
Horizontal and vertical lengths of the pipe run. If
more than one pipe size is used, list length of each
size and total length.
6.
Number and size of elbows, tees, unions, reduc-
ers, and valves to be used in the pipe run.
7.
A dimensional sketch of the proposed piping sys-
tem showing location of the compressor unit, oil
cooler, and pipe and fittings of 3 through 6 above.
All remote piping should be of adequate size to insure
the minimum pressure loss. Number 4 above lists the
pipe size at the compressor unit oil inlet and outlet con-
nections and is the minimum pipe size to be used. Long
runs of pipe and the use of valves and fittings require
larger than the minimum pipe sizes in the system to
keep the pressure loss low. All pipe and fittings used in
a remote oil cooler system should be galvanized or
treated internally to prevent rust, and all valves are to
be of a nonferrous construction to prevent corrosion
and fouling.
The remote cooler should be placed so that the fan air
flow through the cooler (air flow is from motor side
through core ) and the prevailing winds are in the same
direction. A baffle should be provided on the exhaust
side of the cooler for protection against occasional wind
shifts.
Summary of Contents for ELECTRA-SAVER EAU PD - 200 HP
Page 13: ...13 10 612 Page 3 FIGURE 1 4 STARTER BOX FIGURE 1 5 PACKAGE CONTROLLER AND STARTERS...
Page 16: ...13 10 612 Page 6 DECALS 206EAQ077 212EAQ077 218EAQ077 211EAQ077 207EAQ077...
Page 17: ...13 10 612 Page 7 DECALS 216EAQ077 217EAQ077 222EAQ077 221EAQ077 208EAQ077...
Page 40: ...13 10 612 Page 30 FIGURE 4 8 CONTROL SCHEMATIC COMPRESSOR AT FULL LOAD 214ECM797 Ref Drawing...
Page 42: ...13 10 612 Page 32 FIGURE 4 10 WIRING DIAGRAM 212EAP546 Ref Drawing...
Page 43: ...13 10 612 Page 33 FIGURE 4 11 AUTO SENTRY ES CONTROLLER DISPLAY...
Page 45: ...13 10 612 Page 35 FIGURE 5 1 FLOW DIAGRAM AIR OIL SYSTEM 215EAU797 Ref Drawing...
Page 65: ......