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VSG/VSSG • Installation, Operation and Maintenance Manual •Vilter/Emerson • 35391SSG
OIL
PT
004
FG
001
TE
001
PT
001
BLEED
BLEED
DRAIN
PT
002
BLEED
TE
004
QE
101
QE
102
QE
103
TE
005
1000W 1000W 1000W
LG
001
LG
002
OIL CHARGE
TE
002
DRAIN
VENT
TE
003
QE
007
TE
007
COMPRESSOR
MOTOR
REMOTE
OIL COOLER
MOTOR
OIL PUMP
OIL FILTER
OIL FILTER
COALESCING OIL RETURN LINE
PRESSURE
EQUALIZING LINE
SUCTION INLET
DISCHARGE OUTLET
OIL MIXING
VALVE
DRAIN
CLOSE
CLOSE
CLOSE
OPEN
OIL SEPARATOR
Figure 3-19. Priming Remote Oil Cooler and Piping
Section 3 • Installation
Priming Remote Oil Cooler and Piping
(Initial Oil Charging)
WARNING
Avoid skin contact with oil. Wear rubber gloves and a
face shield when working with oil. Failure to comply
may result in serious injury or death.
NOTICE
Failure to follow these instructions will result in
bearing damage and compressor seizing and will void
any and all warranties that may apply.
NOTE
This procedure is for remote oil coolers only.
Piping of oil must enter bottom connection of
remote oil cooler and leave from top connection.
For remote air cooled oil cooler piping, see Piping
section.
(Reference Figure 3-19)
1. Verify oil level (8) is at Maximum Non-Operating Oil
Level in separator (3). If oil level is not at Maximum
Non-Operating Oil Level, add oil, see Initial Oil
Charging - Unit Oil Charging procedure.
2. Close shut-off valve(s) (7) at oil fi lter inlet(s).
3. Open oil bypass shut-off valve (4).
4. Energize compressor unit.
5. Close oil mixing valve (oil temp. control valve) (6) via
control panel. In Manual Mode, change “Manually
Open (%)” value to “0”.
NOTE
The oil cooler is considered primed when the oil
level in the separator is constant.
6. Run oil pump (5) for a minimum of 5 minutes and as
long as needed to purge all gas from oil cooler and
piping.
7. When all gas is purged, stop oil pump.
8
3
7
7
6
5
4
1
2