Stulz Compact CWE Series Installation Operation & Maintenance Download

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Compact CWE Series Installation, Operation & Maintenance Manual

Installation, Operation
& Maintenance

Chilled Water

Precision Air Conditioners

Compact CWE™ Series

Summary of Contents for Compact CWE Series

Page 1: ... Aug 2006 Compact CWE Series Installation Operation Maintenance Manual Installation Operation Maintenance Chilled Water Precision Air Conditioners Compact CWE Series Compact CWE Series ...

Page 2: ...ation Operation Maintenance Manual Compact CWE Precision Air Conditioners Nominal Capacity in kW CC Compact CW System D Down FlowAirPattern CW Chilled Water System CC D 300 CW E Number of Refrigeration Circuits Model Nomenclature E EC Fan ...

Page 3: ...r 2 6 2 7 Utility Connections 2 6 2 7 1 Main Power 2 6 2 7 2 Controls 2 7 2 7 3 Optional Equipment 2 7 2 7 3 1 Remote Temperature Humidity Sensor 2 7 2 7 3 2 Remote Water Detector 2 8 2 8 System Settings and Adjustments 2 8 2 8 1 Chilled Water Circuit 2 8 2 8 2 HumidifierAdjustment 2 8 TABLE OF CONTENTS 3 0 Start Up Commissioning 3 1 3 1 Operation 3 1 3 2 Step by Step Start Up Instructions 3 1 3 3...

Page 4: ...tion Downflow 2 3 Figure 3 Optional Floor Stand Installation 2 4 Figure 4 Downflow Configuration TypicalAir Patterns 2 6 Figure 5 Condensate Pump 2 6 Figure 6 Sample Nameplate 2 6 Figure 7 Electric Box 2 7 Appendix A Forms Checklist for Completed Installation A 1 Periodic General Maintenance Checks and Service Checklist A 2 Appendix B Glossary Definition of Terms andAcronyms B 1 ...

Page 5: ...ulated through the chilled water coil On demand of cooling by the microprocessor controller the chilled water valve opens Chilled water flows to the coil in propor tion to the amount of cooling required The controller modulates the valve opening together with the the fan speed based on the cooling demand Heat from the surrounding air is extracted through the finned tubing of the coil by the cold w...

Page 6: ...ent the company s obligation will be for a period of 12 months from date of shipment Parts replaced under warranty are war ranted for a period of 90 days from shipment or for the remainder of the unit warranty period whichever is greater Stulz Air Technology Systems Inc s warranty does not cover failures caused by improper installation abuse misuse misapplication improper or lack of maintenance ne...

Page 7: ...rting the unit When working on electrical equipment remove all jewelry watches rings etc Always disconnect the main power supply to the equipment at the main power disconnect switch before beginning work on the equipment A lock out tag out procedure should be followed to ensure that power is not inadvertently reconnected Equipment may contain components subject to Electrostatic Discharge ESD Befor...

Page 8: ...e be present notify the SATS Product Support Group prior to attempting any repairs Refer to section five of this manual for instructions A Data Package has been sent with your unit It contains this manual a supplemental microprocessor controller manual system drawings applicable MSDS s other component manuals warranty registra tion and other applicable instructions based on the configuration and o...

Page 9: ...aintenance costs 2 3 Rigging The Compact CWE systems are designed to be kept in a vertical position Move the unit with a suitable device such as a forklift pallet jack or roller bar and dollies Weight tables are provided on the installation drawings Units are shipped on a skid to facilitate moving prior to installation Units should always be stored indoors in a dry location prior to installation C...

Page 10: ...e exposed to direct sunlight Follow the steps below to mount the sensor For unit wiring details reference Section 2 7 Utility Connections Temperature Humidity Sensor 1 Using a flat head screwdriver remove the cover screw from the top right corner of the sensor and remove the cover plate from the base 2 Place the base temporarily over the wire hole opening in the wall Level the base and mark the lo...

Page 11: ...ised floor The only air distribution connection required on a downflow system is on units that require ducting When determining ducting requirements always consult your local or state codes The duct system should be designed to allow the air to move as freely as possible Return inlets are provided with a flange on top of the unit for connection of the ductwork refer to the installation drawing pro...

Page 12: ...ptional field installed condensate pump is selected a p trap must be installed for proper condensate drainage The height of the trap must be a minimum of 2 inches on most standard systems to ensure proper water drainage of the drain pan To prevent excessive back flow to the unit the condensate pump discharge line should be 1 2 inch ID maximum copper or vinyl tubing 2 5 Figure 4 Downflow Configurat...

Page 13: ...CR Heating Air Conditioning Refrig eration breaker size MAX FUSE CKT BKR for circuit protection The unit s nameplate is located inside the cabinet within the electrical box NOTE If the nameplate states MAX FUSE CKT BKR it is required to utilize fuses or HACR type cir cuit breakers to protect the system Other pro tection devices are not allowed based upon the product listing The unit is provided wi...

Page 14: ...or to unit operation an adequate unit to earth ground must be connected to the unit 2 7 2 Controls Stulz Air Technology Systems offers control features to solve your air conditioning control alarm requirements The Compact CWE system is furnished with a C6000 Microprocessor controller If it is mounted on the unit standard no utility connection is required As an option a factory supplid display may ...

Page 15: ...rises or closes as the temperature falls If the unit is turned off the valve will return to the closed position shutting off liquid flow to the coil Chilled Water regulating valves are available in 2 way or 3 way configurations Refer to the piping drawing supplied with your unit to determine which type valve is pro vided Location and size of chilled water valves differs with the size of the A C un...

Page 16: ...te if the humidifier is operational In all cases 1 to 6 hours might be required to see a desired level or rise of humidity in the conditioned space Once room conditions have been programmed or set a repeat visit to the conditioned site may be re quired to ensure the humidifier is meeting the room s requirements 8 Test dehumidification operation by creating a demand for dehumidification If necessar...

Page 17: ...rigeration technician only 4 1 1 A C Unit 4 1 1 1 Filter The filter is usually the most neglected item in an air conditioning system To maintain efficient operation the filter should be checked at least monthly and replaced as required NOTE Conditions of spaces vary and filters should be checked based on those conditions 4 1 1 2 Fan Periodic checks of the EC fan system should include checking the ...

Page 18: ...is wired incorrectly Check wiring schematic and rewire if required c Actuator failed Replace actuator EC Fan s Fail to Start a Power failure Check main voltage power source input cable b Motor starter protector tripped Reset motor starter protector and check amperage of motor Compare to setting on motor circuit controller and adjust to FLA c Control transformer circuit Check for short circuit or g...

Page 19: ... Inoperable Inspect piping for leaks or obstructions b Hot water supply temperature too Check hot water supply low c Temperature setpoint too low Increase temperature setpoint d Control power interrupted Check for loose or broken wires Humidifier Inoperable a Water supply has been turned Connect and or turn on water supply Note See Humidifier off or not connected Manual for Additional Help b Elect...

Page 20: ...ON OFF DRAIN switch to the DRAIN position 4 4 3 When drained push theAUTO ON OFF DRAIN switch to the OFF position 4 Disconnect power to the unit at the main power disconnect switch 5 The power wires to the cylinder are attached by cylinder plugs to the electrode pins on top of the cylinder Pull these plugs vertically off the pins CAUTION The cylinder and steam hose may be hot and burns may result ...

Page 21: ...tablished credit with SATS you must give a freight carrier account number or accept COD freight only A written or faxed purchase order is required on warranty parts and must be received prior to 12 00 p m for same day shipment The purchase order must contain the following items Purchase Order Number Date of Order SATS Stated Part Price obtained from PSG Customer BillingAddress ShippingAddress Cust...

Page 22: ... Aug 2006 Compact CWE Series Installation Operation Maintenance Manual ...

Page 23: ...y pan installed under ceiling mounted equipment if required 10 Filter box installed if required 11 Filter s installed if required 12 Ductwork completed or optional plenum installed if required 13 Incoming line voltage matches equipment nominal nameplated rating tolerances 14 Main power wiring connections to the equipment including earth ground have been properly installed 15 Customer supplied main...

Page 24: ... Aug 2006 Compact CWE Series Installation Operation Maintenance Manual ...

Page 25: ... _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...

Page 26: ... Aug 2006 Compact CWE Series Installation Operation Maintenance Manual ...

Page 27: ...on Board HACR Heating Air Conditioning Refrigeration HP Horse Power Hz Hertz IAQ IndoorAir Quality in w g Inches of Water Gauge KVA Kilo Volt Amps kW Kilowatt MAX CKT BKR Maximum Circuit Breaker MAX FUSE Maximum Fuse MCA Minimum Circuit Ampacity MSDS Material Safety Data Sheet NEC National Electric Code NFPA National Fire ProtectionAgency PH Phase PSG Product Support Group PSI Pounds Per Square In...

Page 28: ...n Hamburg Germany and production facilities world wide Our network of manufacturer s representa tives and sales partners span the globe providing innovative solutions to your unique environmental control needs North American Headquarters 08 06 Compact CWE IOM 08 06 01 Installation Operation Maintenance Specifications are subject to change without notice STULZGmbH Holsteiner Chaussee 283 D 22457 Ha...

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