Related Manuals for Stulz Compact CWE
Summary of Contents for Stulz Compact CWE
- Page 1 Compact CWE Installation, Operation and Maintenance Manual Perimeter Mounted Precision Air Conditioners 30 kW - 360 kW / 60 Hz...
- Page 2 Compact CWE Series Installation, Operation & Maintenance Manual Compact CWE - Precision Air Conditioners Model Nomenclature CC D-30 0-CW-E-UF = Compact CW System UF = Under Floor Fan(s) E = EC Fan* = Downfl ow Air Pattern = Upfl ow Air Pattern...
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Page 3: Table Of Contents
Compact CWE Series Installation, Operation & Maintenance Manual TABLE OF CONTENTS Introduction ........1-1 2.7.2 Condensate Drain ........2-9 2.7.2.1 Gravity Drain ..........2-9 General ............1-1 2.7.2.2 Condensate Pump ........2-10 Product Description ........1-1 2.7.3 Humidifi er ..........2-10 Product Warranty ........1-2 Utility Connections ........2-11 Safety ............1-3... - Page 4 Stulz Air Technology Systems, Inc. (SATS). This document contains confi dential and proprietary information of Stulz Air Technology Systems, Inc. Distributing or photo- copying this document for external distribution is in direct violation of U.S. copyright laws and is strictly prohibited without the express written consent of SATS.
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Page 5: Introduction
STUDY the instructions contained in this manual. The Compact CWE unit is provided with a factory They must be followed to avoid diffi culties. Spare mounted, main power disconnect switch with a parts are available from SATS to insure continuous lockable handle. -
Page 6: Product Warranty
Order Entry and Start-Up has been validated by Product Support. The 12 Month Precision A/C Limited Warranty provided by Stulz Air Technology Systems, Inc. (SATS) warrants your purchase to be free from defects in material and workmanship. SATS’ obligation under this warranty is to... -
Page 7: Safety
Compact CWE Series Installation, Operation & Maintenance Manual Safety WARNING 1.4.1 General This equipment should be serviced and re- paired by a journeyman or a qualifi ed refrigera- Stulz Air Technology Systems, Inc. uses NOTES tion technician only. along with CAUTION and WARNING symbols throughout this manual to draw your attention to im- portant operational and safety information. - Page 8 Compact CWE Series Installation, Operation & Maintenance Manual CAUTION CAUTION If a lifting device is used to move a unit, ensure Chilled water cooling coils and associated it is capable of supporting the weight of the unit. piping circuits are pressurized (up to 100 psi) and sealed when they leave the factory.
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Page 9: General Design
1.5 General Design The Compact CWE unit is housed in a steel frame type cabinet and is rated for indoor use. The cabinet is coated with a powder coat fi nish to protect against corrosion. Hinged doors are located in the front of the cabinet for easy access to all components. -
Page 10: Electric Box Access
Compact CWE Series Installation, Operation & Maintenance Manual 1.5.1 Electric Box Access electronics and does not require the addition of secondary electronics such as thermal protection, The electrical components are protected behind the inverters or fi lters. The fan will not produce AC inverter hinged front access door on the front of the cabinet. -
Page 11: Smoke Detector
Compact CWE Series Installation, Operation & Maintenance Manual 1.6.3 Smoke Detector 1.6.5.1 Preferred Power Selector Switch Optionally mounted in the return air stream, a A preferred power selection switch (Figure 4) is photo-electric smoke detector is used to sense the included with the auto-transfer switching option. -
Page 12: Installation
Compact CWE Series Installation, Operation & Maintenance Manual INSTALLATION to internal components, no permanent obstructions should be placed in front of the unit. See Figure 5 for Receiving the Equipment the minimum recommended installation clearance in front of the unit. -
Page 13: Rigging
Ceiling R-38 Wall R-21 See Figures 6 & 7. The Compact CWE unit is de- Floor R-19 signed to be located on a raised fl oor (typically down- fl ow) or directly on top of the fl oor (typically upfl ow). -
Page 14: Air Distribution Connection
Compact CWE Series Installation, Operation & Maintenance Manual If a fl oor stand is used (downfl ow units), see Section 2.6.1 and refer to the installation drawing provided. Cut out an opening in the raised fl oor slightly larger than the cabinet’s overall base di- mension so the A/C unit is supported by the stand. -
Page 15: Downfl Ow Confi Guration Air Patterns
Compact CWE Series Installation, Operation & Maintenance Manual 2.5.2 Downfl ow Confi guration Air Patterns In a downfl ow confi gured unit, the conditioned supply air discharges through the bottom of the unit into a raised fl oor. There are two basic return air distribution methods: top free return and top ducted return. (See Figure 9). -
Page 16: Optional Equipment (Field Installed)
Compact CWE Series Installation, Operation & Maintenance Manual 2.6 Optional Equipment (Field Installed) 2.6.2 Deploying Underfl oor EC Fans Compact CCD-2300 & CCD-2800 units may be NOTE optionally equipped with “underfl oor” EC plenum fans Do not mount any optional equipment on the which may be lowered beneath a raised fl... -
Page 17: Plenum Box
Compact CWE Series Installation, Operation & Maintenance Manual 2.6.2.1 Lowering the EC fans 2.6.3 Plenum Box After the A/C unit is installed, the EC fans may easily If an optional plenum box (plenum extension box or be lowered to their operating positions below the 2 - 3 way air distribution plenum box) is selected it is cabinet. -
Page 18: Remote Display
Compact CWE Series Installation, Operation & Maintenance Manual 2.6.4 Remote Display 3. Level the base. Mark and drill mounting holes through at least two of the available slotted holes. As an option, a factory supplied controller display 4. Run a 3 conductor shielded cable through the may be remotely mounted. -
Page 19: Remote Water Detector
Compact CWE Series Installation, Operation & Maintenance Manual Supply Air Control- As an option, a fi eld installed 2.6.7 Remote Water Detector T/H sensor may be used for supply air control. The The remote water detector is normally placed on the sensor is fi... -
Page 20: Piping Connections
Compact CWE Series Installation, Operation & Maintenance Manual Piping Connections with your unit. Provide manual shut-off valves in both the supply and return lines for servicing the unit and 2.7.1 Chilled Water/Hot Water for emergency isolation. Pipe connections for the chilled water and optional NOTE hot water reheat piping are sweat connections. -
Page 21: Condensate Pump
Compact CWE Series Installation, Operation & Maintenance Manual NOTE 2.7.3 Humidifi er In most cases the humidifi er drains (hot) Compact CWE systems utilize an electrode steam water into the condensate drain during normal humidifi er. In most cases the humidifi er empties into operation. -
Page 22: Utility Connections
Compact CWE Series Installation, Operation & Maintenance Manual Utility Connections The unit is provided with terminals for all required fi eld-wiring. Refer to the electrical schematic supplied 2.8.1 Main Power with the unit when making the power and control fi eld-wiring connections. It is important to identify the... -
Page 23: Controls
The size of the electric box and location of components 2.8.2 Controls vary according to the Compact CWE model. Figure 18 SATS offers a wide range of control features to solve shows a sample electric box layout and identifi es the your air conditioning control/alarm requirements. -
Page 24: Optional Equipment
Compact CWE Series Installation, Operation & Maintenance Manual 2.8.3 Optional Equipment System Settings and Adjustments Additional control conductors may be required 2.9.1 Chilled Water Circuit depending on the options purchased with the In a chilled water A/C unit, cooling is maintained equipment. -
Page 25: Start-Up/Commissioning
In all cases, 1 to 6 hours might be required to see 3. Apply power to the Compact CWE system at the a desired level or decrease in humidity in the main power disconnect switch. -
Page 26: Periodic General Maintenance
Compact CWE Series Installation, Operation & Maintenance Manual MAINTENANCE 4.1.1 Compact CWE Precision A/C Unit 4.1.1.1 Air Filter Periodic General Maintenance The air fi lter is usually the most neglected item in an Systematic, periodic general maintenance of the air conditioning system. To maintain effi cient opera- Compact CWE system is recommended for optimum tion, the fi... -
Page 27: Condensate Pump
Compact CWE Series Installation, Operation & Maintenance Manual NOTE 4.1.1.7 Condensate Pump The yellow LED may illuminate during initial The condensate pump should be inspected semi- start-up but it doesn’t necessarily mean the annually and cleaned. Ensure that the fl oat works cylinder needs to be replaced. - Page 28 Compact CWE Series Installation, Operation & Maintenance Manual SYMPTOM PROBABLE CAUSE RECOMMENDATION EC Fan(s) Fail to Start After the causes below are corrected, (Cont.) the fan(s) must be manually reset by turning off power for 20 seconds: 4. Over temperature of electronics 5.
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Page 29: Field Service
Compact CWE Series Installation, Operation & Maintenance Manual Field Service 4.3.1.3 Humidifi er Cylinder Replacement After an extended period of operation, the yellow LED NOTE on the humidifi er cabinet will repeatedly fl ash four Do not attempt to make repairs without the times indicating that the cylinder is completely used proper tools. -
Page 30: Filter Replacement
Compact CWE Series Installation, Operation & Maintenance Manual 10. Loosen the steam hose clamp(s) and pull the 4.3.1.4 Filter Replacement steam hose off vertically. The air fi lters are accessed from inside the cabinet. 11. Using a fl at head screwdriver, press the tab on To change the fi... -
Page 31: Product Support
Compact CWE Series Installation, Operation & Maintenance Manual PRODUCT SUPPORT A written (or faxed) purchase order is required on warranty parts and must be received prior to 12:00 SATS provides its customers with Product Support p.m. for same day shipment. The purchase order must... - Page 32 Compact CWE Series Installation, Operation & Maintenance Manual (Mar, 2012) Air Technology Systems, Inc.
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Page 33: Appendix A - Forms
Compact CWE Series Installation, Operation & Maintenance Manual 1572 Tilco Drive, Frederick, Maryland USA 21704 Air Technology Systems, Inc. Telephone: (301) 620-2033 Facsimile: (301) 620-1396 APPENDIX A - FORMS Stulz Air Technology Systems Inc. Frederick, Maryland USA 21704 Telephone: (301) 620-2033 Facsimile: (301) 620-1396 Checklist for Completed Installation ... - Page 34 Compact CWE Series Installation, Operation & Maintenance Manual (Mar, 2012) Air Technology Systems, Inc.
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Page 35: Periodic General Maintenance Checks And Service Checklist
Compact CWE Series Installation, Operation & Maintenance Manual 1572 Tilco Drive, Frederick, Maryland USA 21704 Air Technology Systems, Inc. Telephone: (301) 620-2033 Facsimile: (301) 620-1396 Periodic General Maintenance Checks and Services Checklist Date: ____________________________ Prepared By: ___________________________ Model Number: ____________________________... - Page 36 Compact CWE Series Installation, Operation & Maintenance Manual (Mar, 2012) Air Technology Systems, Inc.
- Page 37 Compact CWE Series Installation, Operation & Maintenance Manual NOTES (Mar, 2012) Air Technology Systems, Inc.
- Page 38 Compact CWE Series Installation, Operation & Maintenance Manual (Mar, 2012) Air Technology Systems, Inc.
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Page 39: Appendix B- Glossary
Compact CWE Series Installation, Operation & Maintenance Manual Appendix B- Glossary Defi nition of Terms and Acronyms SATS - Stulz Air Technology Systems, Inc. MAX CKT BKR - Maximum Circuit Breaker BTU/Hr - British Thermal Units Per Hour MAX FUSE - Maximum Fuse... - Page 40 Compact CWE Series Installation, Operation & Maintenance Manual OZZ0003 Rev. E; March, 2012 (Mar, 2012) Compact CWE Series Installation, Operation and Maintenance - Specifi cations are subject to change without notice. Air Technology Systems, Inc.
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