Additional Features - Sullair LS16 Operator's Manual

Section 2
DESCRIPTION
automatic restart after power failure. Two--wire re-
mote Stop/Start input is provided.
Refer t o F igur es 2- 7
parts described.
S The sump pressure gauge continually monitors
the sump pressure at the various load and/or unload
conditions.
S The discharge temperature gauge monitors the
temperature of the air leaving the compressor unit.
For both air--cooled and water--cooled compressors
the normal reading is approximately 180_F to 205_F
(82_C to 96_C).
S The separator maintenance gauge monitors
condition of the separator element and shows in the
red zone when the element restriction is excessive.
S The fluid filter maintenance gauge monitors the
condition of the bearing lube filter element and
shows in the red zone when the element should be
changed.
S The START (I) pad turns the compressor on.
S The STOP (O) pad turns the compressor off.
S The hourmeter records cumulative hours of op-
eration for the compressor and is useful for planning
and logging service operations. The hour meter
should be active any time K1 is energized. Meter
Figure 2-7 Typical Machine Connection
0
0
3
SSW1
O
12
and 2- 8 f or s pec ific loc ation of
ELECTRO--MECHANICAL
COMPRESSOR
CONTROLLER
AUTO STOP
PT1
TIMER
16
PT2
BYPASS TIMER
16
WYE--DELTA TIMER
PT3
60
AUTO RESTART
l
rolls over to zero at 100,000 hours.
S The POWER ON (
panel indicates when power to the compressor is
supplied.
S The ON LED indicates when the compressor is
running.
S The AUTO (
control.
S The RUN Status LED indicates that control is in a
standby mode and may start at any moment without
any user intervention when this light is blinking. A
solid light indicates that the machine is running.

2.9 ADDITIONAL FEATURES

Refer t o F igur e
scribed.
S A separate input is provided for the Remote Stop/
Start feature. A maintained, voltage--free contact is
required for Remote Stop/Start.
S The Wye- -Delta Transition Timer-- K4 closed as
soon as K1 closes and remains closed until timer
setting is reached and then opens and stays open
until machine is stopped (Output 8 goes high on
start and drops at timeout).
S Timer Adjustment-- Timer adjustment becomes
effective the next time that function is required.
REMOTE STOP/START
12
SUMP PRESSURE
6
1M
1
HDT LWP E--STOP
MOL
3
K3
13
14
11
COMMON
K2
4
FAULT
1M
LINE PRESSURE
9
K4
8
WYE--DELTA
TRANSITION
E--STOP
10
K1
15
AC GND
120V N 5
FU
AC L 7
PIN #
) LED on the instrument
) pad is used to enable automatic
2- 7 for s pec ific loc ation of par ts de-
LOW SUMP
START PERMISSIVE
RUN STATUS
LOAD CTL
SOL VLV
START CTL
SOL VLV
1M
120V
AC