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CONDENSATE DISCHARGE PIPING. If installing a condensate
discharge line, the piping must be at least one size larger than the
connection, as short and direct as possible, secured tightly and routed
to a suitable drain point or waste container. Condensate must be
disposed of in accordance with local, state, and federal laws and
regulations.
aWARNING If an aftercooler, check valve, block valve, or
any other restriction is added to the
compressor discharge, install a properly-
sized ASME approved safety/relief valve
between the compressor discharge and the
restriction.
INSTALLING ELECTRICAL WIRING (ELECTRIC MOTOR UNITS)
aWARNING Electrical installation and service should be
performed by a qualified electrician who is
familiar with all applicable local, state and
federal laws and regulations.
GENERAL. The motor rating, as shown on the motor nameplate, and
the power supply must have compatible voltage, phase and hertz
characteristics.
WIRE SIZE. The electrical wiring between the power supply and
electric motor varies according to motor horsepower and other
factors. Install adequately sized power leads to protect against
excessive voltage drop during start-up. Refer to the National Electric
Code (NEC) for information on selecting the proper wire size and
securing electrical connections. If you connect additional electrical
equipment to the same circuit, consider the total electrical load when
selecting the proper wire size. DO NOT USE UNDERSIZE WIRE.
If wire size information is not available, the wire sizes shown in the
following wire selection chart can be used as a safe guide, if the
distance does not exceed 50 feet (15.3 m). For longer distances,
consult and electrical contractor or the local electric company for
recommendations.
MOTOR THREE
HP PHASE
200V 230V 460V 575V
20 3 4 8 10
25 1268
300168
MAGNETIC STARTER. If the motor installed on your unit has a motor
reset button, it does not require a magnetic starter. If the motor does
not have this button and the unit does not have a factory-installed
starter, install a magnetic starter with thermal overload protection.
Follow the manufacturer’s instructions for installation. Ingersoll-Rand
cannot accept responsibility for damages arising from failure to provide
adequate motor protection.
FUSES. Refer to the NEC to determine the proper fuse or circuit
breaker rating required. When selecting fuses, remember the
momentary starting current of an electric motor is greater than its full
load current. Time-delay or “slow-blow” fuses are recommended.
PRESSURE SWITCH. On units without a factory-installed pressure
switch, wire a pressure switch in accordance with the appropriate
wiring schematic in the DIAGRAMS section of this manual. Mount the
pressure switch in accordance with the manufacturer’s
recommendations. The connecting line to the receiver tank must be as
short and direct as possible, and certified safe for at least the maximum
working pressure of the unit.
COMPRESSOR LUBRICATION
aCAUTION Do not operate without lubricant or with
inadequate lubricant. Ingersoll-Rand is not
responsible for compressor failure caused by
inadequate lubrication.
SYNTHETIC COMPRESSOR LUBRICANT. Ingersoll-Rand recommends
All-Season Select
®
synthetic lubricant from start-up.
ALTERNATE LUBRICANTS. You may use XL-300 or a comparable
petroleum-based lubricant that is premium quality, does not contain
detergents, contains only anti-rust, anti-oxidation, and anti-foam
agents as additives, has a flashpoint of 440°F (227°C) or higher, and
has an auto-ignition point of 650°F (343°C) or higher.
See the petroleum lubricant viscosity table below. The table is intended
as a general guide only. Heavy duty operating conditions require
heavier viscosities. Refer specific operating conditions to
Ingersoll-Rand for recommendations.
Temperature Around Viscosity @ 100°F Viscosity Grade
Compressor (37.8°C)
°F °C SUS Centistokes ISO SAE
< 40 < 4.4 150 32 32 10
40-80 4.4-26.7 500 110 100 30
80-125 26.7-51.0 750 165 150 40
* = For Models 2000 and 2000P, use Ingersoll-Rand XL-740HT
Compressor Oil in temperatures above 100°F (37.7°C).
If you use a petroleum-based compressor lubricant at start-up and
decide to convert to All-Season Select
®
later on, the pump must be
decarbonized and flushed before conversion. Contact Ingersoll-Rand
for more information.
FILLING PROCEDURES:
1. Unscrew and remove the oil fill plug.
2. Fill the crankcase with lubricant.
3. Replace the oil fill plug HAND TIGHT ONLY.
aCAUTION Do not remove the oil fill plug while the
compressor is running.
Refer to the following table for crankcase capacity.
Model Crankcase Capacity
2000, 2000P 176 oz. (5205 ml.)
Use one of the following methods illustrated to determine when the
crankcase is full.
A = FULL level
B = ADD level
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