Emerson COPELAND SCROLL SZO22- Manuals

Single-Compressor Module Compressor Module Nomenclature iv 2008SSD-34 (5/11) C ompressor m odule N omeNClature Model Max Delivery Pressure (PSIG) Max Flow (MCFD) Drive HP High Press Switch Setting (PSIG) Low Press Switch Setting High Temp Setting °F (°C) Oil Thermal Bypass Valve Setpoint °F (°C) Gas...

Single-Compressor Module Important Safety Information 1 2008SSD-34 (5/11) Single-Compressor Module Compressor Module Nomenclature iv 2008SSD-34 (5/11) i mportaNt s afety i NformatioN This manual contains important instructions for installation, operation and maintenance of your Copeland Scroll ® Com...

Single-Compressor Module Important Safety Information s afety s ymbols u sed iN t his m aNual SAFETY ALERT SYMBOL When you see this symbol on the Compressor Module or in this manual, look for one of the following words and be aware of the potential for personal injury or property damage. WARNING A W...

3 2008SSD-34 (5/11) Single-Compressor Module Introduction 1.0 i NtroduCtioN The Copeland Scroll ® SZO22 Compressor Module comes equipped with one Copeland Scroll ® Compressor designed for Class I, Division II applications. The Compressor Module is designed for assembly into a Compressor Package read...

Single-Compressor Module Introduction 1.2 The Compressor The Compressor refers to the Copeland Scroll ® Compressor. Figure 2 shows a cross-section of a Compressor and its key components. Figure 2 Copeland Scroll ® Compressor Cross Section (not shown: Encapsulated Stator) 1.3 The Compressor Package T...

5 2008SSD-34 (5/11) Single-Compressor Module Installation 2.0 i NstallatioN 2.1 Installation Guidelines 2.1.1 Required Component—Inlet Gas Scrubber An appropriate inlet gas scrubber is REQUIRED to remove liquids from the gas prior to compression. If there is potential for liquid slugging, a suitable...

6 2008SSD-34 (5/11) Single-Compressor Module Installation NOTE: Required Component – High Pressure Discharge Gas Bypass Valve To eliminate redundancy, the high pressure discharge gas bypass (recycle) valve was removed from some of the scroll modules. Packagers will need to install pressure relief do...

7 2008SSD-34 (5/11) 6 2008SSD-34 (5/11) Single-Compressor Module Installation 2.4 Installation Clearance and Dimensions Allow sufficient clearance on all sides for service access, especially for gas and electrical connections at the rear of the Compressor Module. Check applicable national and local ...

8 2008SSD-34 (5/11) Single-Compressor Module Installation 2.5 Process and Instrumentation Diagrams (P&IDs) Figure 5 Compressor Module Gas and Oil Flow Diagram and Safety Shutdowns Single Compressor Module Gas & Oil Flow Diagram & Safety Shutdowns (Gas bypass valve shown is optional)

9 2008SSD-34 (5/11) 8 2008SSD-34 (5/11) Single-Compressor Module Installation 2.6 Electrical Controls 2.6.1 General Considerations All shutdown devices are dry contact switches rated Class I, Division II that are wired to a terminal box for connection to the packager supplied control circuit. The co...

10 2008SSD-34 (5/11) Single-Compressor Module Installation RED BlueWhite Yellow +24VDC DC common No connection feedback 0-10VDC speed signal 2.6.2 Oil Cooler Fan Control The Compressor Module temperature is controlled by managing module oil flow and temperature. The module’s precise temperature cont...

11 2008SSD-34 (5/11) 10 2008SSD-34 (5/11) Single-Compressor Module Installation Figure 8 Optional Customer-Installed High Temperature Fan Control System • Compressor requirements: 0.8 to 2 GPM (3.0-755 LPM) flow rate• Thermal oil bypass valve, standard setting: 200°F (93°C) / 250°F model specific• T...

12 2008SSD-34 (5/11) Single-Compressor Module Installation 2.6.3 Compressor Module Motor Protection Variable Speed Compressor Module Protection • The VFD provides overload protection for the compressor.• Module capacity can be changed by varying the typical Compressor speed, ranging from 2400 to 480...

13 2008SSD-34 (5/11) 12 2008SSD-34 (5/11) Single-Compressor Module Installation 2.6.4 Electrical Requirements Figure 11 Typical Compressor Module Electrical Requirements 1 2 3 4 Optional if more than one compressor module used Power to Compressors 24VDC Cooling Fan 24V Discrete Inputs from Scroll Mo...

14 2008SSD-34 (5/11) Single-Compressor Module Installation 2.6.5 Wiring Figure 12 Control Circuit Terminations Control Wiring Terminations

15 2008SSD-34 (5/11) 14 2008SSD-34 (5/11) Single-Compressor Module Installation 2.6.6 Variable Frequency Drive (VFD) Terminations Refer to Product Bulletin on Variable Frequency Drive Applications for details on VFD terminations and typical VFD parameters. 3.0 o peratioN 3.1 Initial Startup - Compre...

16 2008SSD-34 (5/11) Single-Compressor Module Operation 3.1.2 Post-Startup Checklist Perform these checks AFTER starting the Compressor Module: DURING INITIAL OPERATION, PERFORM THESE CHECKS: ___ 1. Compressor Module builds pressure on initial startup; no unusual mechanical noise. ___ 2. Oil level i...

17 2008SSD-34 (5/11) 16 2008SSD-34 (5/11) Single-Compressor Module Operation 4.0 m aiNteNaNCe 4.1 Routine Maintenance Perform the maintenance procedures in Table 5 at least once per year or more often if needed. Oil consumption varies by application and during initial operation. Monitor the oil leve...

18 2008SSD-34 (5/11) Single-Compressor Module Maintenance 4.2 Maintenance Tools Figure 15 shows the tools needed for maintenance of the Compressor Module. Contact the Packager to obtain a maintenance tool kit. These are typical air conditioning and refrigeration service tools. Figure 13 Maintenance ...

19 2008SSD-34 (5/11) 18 2008SSD-34 (5/11) Single-Compressor Module Maintenance 4.3 Oil Service The oil level indicated on the first-stage oil separator site glasses varies with inlet and discharge pressures and operating speed. • New oil is clear, it may be necessary to use a flashlight to verify th...

20 2008SSD-34 (5/11) Single-Compressor Module Maintenance • Scavenge line orifice or screen is restricted. Clean or replace. • Insufficient back pressure. Confirm 50-60 psig or higher backpressure when the compressor is running. • No specific cause found. Replace oil separator block assembly, scaven...

21 2008SSD-34 (5/11) 20 2008SSD-34 (5/11) Single-Compressor Module Maintenance 4.4 Cleaning the Inlet Screen The 30-mesh screen in the inlet block must remain unobstructed for optimal flow rate. If the flow rate is lower than expected even when the Compressor is running properly, this screen may be ...

22 2008SSD-34 (5/11) Single-Compressor Module Maintenance 4.6 Changing the Second-Stage Separator Element To replace the second-stage separator element:1. Turn off and isolate the Compressor from all power sources. 2. Turn off the gas supply. 3. Vent the system to 0 psig. Follow applicable safety pr...

23 2008SSD-34 (5/11) 22 2008SSD-34 (5/11) Single-Compressor Module Maintenance 5.2 Platform Symptoms Diagnosis Use the following guidelines to troubleshoot operating problems. Table 6 Platform troubleshooting guidelines Problem Recommended Actions Low Gas Flow • Low inlet pressure• Insufficient gas ...

24 2008SSD-34 (5/11) Single-Compressor Module Maintenance 6.0 s peCifiCatioNs Table 7 Compressor Module Specifications General Information Inlet pressure range Model specific - refer to application envelope Outlet pressure range 70 to 275 psig (depends on model—see page iv ) Mechanical Description M...

Single-Compressor Module Material Data Safety Sheet 25 2008SSD-34 (5/11) 24 2008SSD-34 (5/11) a ppeNdix a - m aterial d ata s afety s heet The information in this material safety data sheet should be provided to all who use, handle, store, transport or are otherwise exposed to this product. CPI beli...

Single-Compressor Module Material Data Safety Sheet 26 2008SSD-34 (5/11) a.6 f ire aNd e xplosioN h azards Flash Point (by Cleveland Open Cup) 320-530°F (160-276°C) Flammable Limits Not established Auto-Ignition Temperature No data HMIS Ratings Health 0 Flammability 1 Reactivity 0 NFPA Ratings Not e...