Section 4
INSTALLATION
31
4.1 MOUNTING OF COMPRESSOR
A foundation or mounting capable of supporting the
weight of the compressor, and rigid enough to main-
tain the compressor frame level and the compres-
sor in alignment is required. The compressor frame
must be leveled and secured with foundation bolts,
and full uniform contact must be maintained
between the frame and foundation. It is recom-
mended that the frame be grouted to the founda-
tion. The compressor unit and driver must be
aligned after installation as specified in this
Operator’s Manual. No piping loads shall be trans-
mitted to the compressor or the cooling package at
the external connections.
4.2 VENTILATION AND COOLING
For air-cooled compressors, select a location to
permit sufficient unobstructed air flow in and out to
the compressor to keep the operating temperature
stable. The minimum distance that the compressor
should be from surrounding walls is 4 feet/1.22m.
To prevent excessive ambient temperature rise, it is
imperative to provide adequate ventilation.
For water-cooled compressors, it is necessary to
check the cooling water supply. The water system
must be capable of supplying the following flows:
MODEL-HP/KW
WATER FLOW (GPM)
LS16T- 100HP/75KW 20
LS16T- 125HP/93KW 22
LS16T- 150HP/112KW 29
LS16T- 200HP/149KW 33
Water flow requirements are based on 80°F to 85°F
(27°C to 29°C) water inlet temperature.
Recommended water pressure range is 40 to 75
psig (2.8 to 5.2 bar). Water flow rates will vary with
operating conditions. For rates based on criteria
other than that listed, consult your local Sullair
representative.
Table 4-1 Ventilation Requirements indicates the
ventilation requirements necessary to keep the
compressor running at a normal operating temper-
ature. The fan air requirement is the volume of air
which must flow through the compressor for proper
ventilation. The specified heat rejection requirement
is the amount of heat that is radiated by the com-
pressor. This heat must be removed to assure a
normal operating temperature. With air-cooled com-
pressors it is possible to use this heat for space
heating, providing excessive pressure drop is not
created across the fan. Consult a Sullair office for
assistance in utilizing this heat.
DO NOT install a water-cooled or an air-
cooled/aftercooled compressor without adequate
freeze protection where it will be exposed to tem-
perature less than 32ºF(0ºC).
4.3 SERVICE AIR PIPING
Service air piping should be installed as shown in
Figure 4-1. A shut-off valve should be installed to
isolate a compressor from the service line if
required. Also notice that the service line should be
equipped with water legs and condensate drains
throughout the system.
“The Plastic Pipe Institute recommends against
the use of thermoplastic pipe to transport com-
pressed air or other compressed gases in
exposed above ground locations, e.g. in exposed
plant piping.” (I)
Sullube should not be used with PVC piping sys-
tems. It may affect the bond at cemented joints.
Certain other plastic materials may also be affect-
ed.
(I) Plastic Pipe Institute, Recommendation B,
Adopted January 19, 1972.
4.4 COUPLING ALIGNMENT CHECK
In preparation for the factory test, the coupling sup-
plied with your compressor is properly aligned for
operation. The motor is flange-mounted to the com-
pressor unit adapter. Therefore, it is not necessary
to check this alignment, unless high vibration is
noticed.
4.5 FLUID LEVEL CHECK
Your air compressor is also supplied with the prop-
Table 4-1 Ventilation Requirements
WATER COOLED OR REMOTE COOLED AIR-COOLED (I)
COMPRESSOR PACKAGE COOLING PACKAGE
HEAT REJECTION VENT FAN FLOW (II) HEAT REJECTION AIR FLOW
MODEL MOTOR HP/KW BTU/HR CFM BTU/HR CFM
LS16T-100 100/75 21,500 2,800 214,078 13,000
LS16T-125 125/93 25,000 2,800 248,680 13,000
LS16T-150 150/112 35,500 2,800 352,471 18,500
LS16T-200 200/149 41,000 2,800 400,045 18,500
(I) Applicable to air-cooled models only.
(II) Applicable to compressors with enclosure.
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