Emerson SZV32, SZO44, SZV44, SZO56 Process and Instrumentation Diagrams P&IDs, Code Description

Dual-Compressor Module Installation

2.5Process and Instrumentation Diagrams (P&IDs)

Figure 5 Compressor Module Gas and Oil Flow Diagram and Safety Shutdowns

	PSLL
	001	BPV-01			Gas Discharge
	PS				1" -NPT
	001
Gas Suction		PI	PS	PSHH	PI
1-1/2" -NPT		002	002	002	003
		C-01	TS	TSHH
			002	002
			TE
			002		SEP-02
	480V
	J.B.
		C-02	SEP-01
			TCV-03
	FL-05	EX-04
	Module Limits

Code	Description
BPV-01	Gas bypass valve (optional)
C-01 / C-02	Compressor and motor
EX-04	Oil cooler, fan controlled by thermistor
FL-05	Oil filter
PI002	Pressure gauge on first-stage oil separator
PI003	Pressure gauge on second-stage oil separator
PS002 / PSHH002	High discharge gas pressure switch
PS001 / PSLL001	Inlet low pressure switch
SEP-01	First-stage oil separator, 6” O.D.
SEP-02	Second-stage oil separator/coalescing element
TCV-03	Thermal bypass valve, 3-way, set @ 200°F (93°C)
TE002	Fan speed thermistor
TS002 / TSHH002	High discharge gas temp switch

8 2006SSD-75 R4 (10/10)