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Contents
1. Volt AC transformer HUMIDITY SENSOR HUMIDITY TRANSMITTER Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 30 LUNAIRE ENVIRONMENTAL 12 6 Optional Equipment with Water Flow Diagram Water Reservoir Humidifier Cartridge Deionizer IT I HUMIDITY SYSTEM WATER FLOW DIAGRAM NOTE Optional Cartridge Deionizer Water Reservorr and Condensate Pump Are gt Shown IMPORTANT This drawing is for reference only Your equipment layout may be different All components oe ee may not be employed Condensate Pump Water Reservoir A five gallon water reservoir may be used in place of a fixed water supply line The gravity feed reservoir is mounted either on the top or side of the chamber Water level in the reservoir must be maintained to just below the top hose inlet port when provided When operating with high humidity conditions you may have to fill the reservoir daily We recommend that the optional condensate pump be used with the reservoir to conserve water Two different reservoir models are shown below The inlet port has a 4 compression fitting Water Inlet Port 5 GALLON WATER RESERVOIR ROUND 5 GALLON WATER RESERVOIR SQUARE Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 31 LUNAIRE ENVIRONMENTAL Cartridge lon Exchanger lon exchangers deionizers should be installed in the water supply line to the humidity g2. the audio alarm can be silenced by pressing the Alarm Silence pushbutton The Alarm Silence circuitry will automatically reset when the out of limit condition returns to normal 14 0 DRY AIR SYSTEM FOR DEHUMIDIFICATION Optional for 3 amp 4 Models Note Refer to the Installation Instructions Section for supply and connection type specifications As an option your chamber may be equipped with a dry air system which permits dehumidification to dew point levels below those attainable with a refrigerated dehumidification coil The system uses a heatless desiccant dryer that is operated by a compressed air supply to generate the dry air This system is described below The dryer is a twin tower heatless desiccant type that is self regenerating Each desiccant tower chamber contains a compression packed molecular sieve As the compressed air passes through the sieve moisture is picked up by the desiccant The dried air is released through an outlet port and injected into the test chamber s conditioning airflow through solenoid valve SV4 A small portion of the dried air is passed through a sized orifice to the other tower to purge the desiccant of moisture collected during the previous cycle There are four distinct phases of the heatless dryer where the compressed air is alternately cycled and dried in each of the two desiccant towers Integral timers and solenoid valves within the dryer control this operation Operation The Dehumidi
3. 21 8 0 TEMPERATURE ALARM and SHUTDOWN CIRCUIT 22 9 0 HEATING DESCRIPTION 23 10 0 SINGLE STAGE REFRIGERATION DESCRIPTION 24 11 0 HUMIDITY CONTROL Watlow 96 Controller C2 11 1 Controller Features 25 26 11 2 Conditioning Control Features 26 Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 2 SYSTEMS and CONTROL Continued 12 0 12 1 12 2 12 3 12 4 12 5 12 6 HUMIDITY SYSTEM system Overview Design Operational Features Vapor Generating Capacity Humidity Control Humidity Sensor Optional Equipment with Water Flow Diagram OPTIONAL EQUIPMENT and FEATURES 13 0 14 0 15 0 HUMIDITY ALARM CIRCUITS Optional for 3 amp 4 Models DRY AIR SYSTEM FOR DEHUMIDIFICATION CHART RECORDER CHAMBER OPERATION amp MAINTENANCE 16 0 17 0 17 1 17 2 17 3 SEQUENCE of OPERATION PREVENTATIVE MAINTENANCE Maintenance Check Procedures Vapor Flo Humidifier Maintenance amp Troubleshooting Preventative Maintenance Schedule Log SUPPLEMENTAL INSTRUCTIONS Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s LUNAIRE ENVIRONMENTAL 2 28 29 30 30 30 31 32 33 33 34 35 36 36 38 39 40 41 Page 3 LUNAIRE ENVIRONMENTAL 1 0 COMPANY INFORMATION amp ASSISTANCE Congratulations on purchasing a chamber from one of the fine divisions of TPS Thermal Product Solutions You probably already know us as Lunaire Limited We ve changed
4. 5 2 Location and Installation of Unit Your equipment has been fully operated tested and balanced in our plant prior to shipment unless notified otherwise Follow the installation requirements below Do not place the unit near combustible materials or hazardous fumes or vapors Ventilation The unit should be installed in an area where there is good air ventilation Allow a minimum of 18 inches between any wall and any side of the unit Do not locate unit in areas of wide ambient temperature variation such as near vents or outdoor entrances Do not install unit in a corrosive environment A corrosive environment may lead to poor performance and deterioration of unit Do not position the unit in a manner that would make it difficult to operate your main power disconnect switch See Power Connection below Make sure the unit is leveled when set up Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 11 LUNAIRE ENVIRONMENTAL 5 3 Chamber Drain Connections There are two different water drain connections for draining condensation from the chamber The door trough drain pipe runs from the bottom front of the chamber to a 1 4 O D plastic compression fitting on the bottom left side The second drain line consists of a 72 copper pipe that runs out from the bottom rear of the chamber The connection may be piped in hard line or with a flexible hose and clamp This line drains condensation fr
5. and jar When they appear encrusted with salts and scale clean the assembly described below Inspection Period Every 2 weeks Drain the bell jar assembly completely to remove any concentrated impurities This is achieved by opening the drain valve at the rear of the Vapo Flo Inspection Period Every 2 to 4 weeks Cleaning Disconnect all power from the chamber Shut off the water supply Drain the bell jar Remove the bell jar as described below and gently wipe the inside of the glass with a mild cleaner Carefully clean any water deposits from the heater assembly Rinse the glass thoroughly and replace as described below Removing the Bell Jar Remove the Armaflex insulating sleeve by sliding it over the end of the bell jar Spin off the four wing nuts top one last Slip off the outer ring flange and then remove the glass jar The immersion heater thermostat element float and float valve are now exposed Usually the bell jar flange will adhere to the humidifier bracket LOOSEN IT GENTLY Prying with a screwdriver may chip or break the glass Reassembling the Bell Jar When reassembling smear a thin coat of silicone grease on the bell jar s ground flange to prevent its sticking to the gasket Tighten the four wing nuts finger tight only Do not use pliers Trouble Shooting Generator will not deliver vapor Make sure the water level in the bell jar is approximately 1 above the immersion heater Measure voltage on immersion
6. contact the Parts Department for component replacement or repair Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 4 LUNAIRE ENVIRONMENTAL 20 SAFETY WARNINGS amp SYMBOLS N A N 10 11 12 13 14 15 Read this entire Operation Manual as well as the vendor manuals and cut sheets provided before operating this equipment Failure to adhere to any Safety Warning or failure to follow the proper operating procedures listed throughout any of the information provided could cause damage to your equipment personal injury or death Obey all CAUTION DANGER and WARNING signs labels mounted on the equipment Do not remove any of these signs labels Do not use this equipment in any manner not specified in this manual Improper use may impair the safety features employed and will void your warranty Operators and service personnel must be familiar with the location and function of all controls and the inherent dangers of the equipment before operating or maintaining it Only qualified service personnel should ever be permitted to perform any service related procedure on this equipment This is not an explosion resistant chamber Do not install test articles that may release explosive or flammable vapors in the chamber Do not place the unit near combustible materials or hazardous fumes or vapors Do not install unit in a corrosive environment A corrosive environme
7. heater For Tenney chambers with a 3 0 KW or less immersion heater and a 240 VAC control circuit the controller output will trigger a triac to conduct and supply power to the heater For Tenney chambers with an immersion heater greater than 3 0 KW or a 120 VAC control circuit the controller output will trigger a Watlow Din a mite SCR Power Controller to supply power to the immersion heater The Din a mite incorporates a back to back SCR design with a fixed time base burst firing technique Burst firing provides short bursts of alternating current to the immersion heater This results in very short temperature swings of the heater element which greatly extends its life The load current is very smooth and temperature control is precise Electrical noise is practically eliminated by the zero cross switching of the SCRs 12 5 Humidity Sensor A dry capacitance type humidity sensor is used to measure chamber relative humidity The sensor is mounted in the head of a stainless steel probe that is 8 5 long 0 5 diameter and is protected by a sintered filter The probe is mounted in the downstream air of the conditioning section In response to humidity levels the sensor modifies a signal from the humidity transmitter circuit board This signal is converted by the transmitter to a 0 to 5 Volt DC signal representing 0 to 100 percent relative humidity and is sent to the humidity controller channel The humidity transmitter is powered by a small 15
8. if the compressor suction pressure falls below a preset value Probable causes are a loss of refrigerant or restricted airflow across the evaporator Defrost Control A 24 hour digital defrost timer is provided which will enable the refrigeration defrost circuitry at every twelve hour interval At this interval the timer s contacts will close for a defrost time period of ten minutes If during this period the Defrost output C1 04 of the temperature controller closes hot refrigerant gas will flow from the compressor through the Hot Gas solenoid valve SV1 and to the evaporator coil Output C1 04 closes when the temperature drops to 20 C or below for CEO9xx 4 chambers and to 10 C or below for CEO9xx 2 chambers The Defrost ON light will also illuminate During the ten minute defrost time period normal refrigerant flow to the evaporator coil through SV2 and SV3 will be halted and the Refrigeration ON light will be extinguished The digital timer is a DIN rail type unit with a 3 digit LCD display It is mounted in the main control enclosure Note Lunaire chambers manufactured before 07 2001 utilized a dial set mechanical timer Air Cooled Condenser CHAMBER TOP VIEW _ 2 and 4 Models Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 24 LUNAIRE ENVIRONMENTAL 11 0 HUMIDITY CONTROL Watlow 96 Controller C2 3 amp 4 Models A N Make sure the water supply is turned on to the Vapor
9. in the closed position The dampers are normally closed for most operating conditions They should be opened when running the following conditions At ambient temperature conditions to remove the heat generated by the blower wheel At high temperature with high humidity conditions to remove the extra heat that is added by the vapor To remove heat generated by a live load To remove moisture or undesirable vapors given off by the product Airflow Switch A Circulation Airflow Switch AFS is provided to monitor air circulation within the chamber This switch is a differential air pressure type that monitors air pressure on both sides of the circulation blower When a loss of air circulation is detected the switch will open and remove power from the heat control circuitry and the humidity control circuitry 3 amp 4 Models The Circulation Failure light will illuminate and the audible alarm will sound Loss of air circulation may result from a motor malfunction or a loose blower wheel An airflow switch is provided for each blower in all CEO958 Models Alarm Silence Switch The audible alarm can be silenced by pressing the Alarm Silence pushbutton The Alarm Silence circuitry will automatically reset when the Circulation Airflow Switch AFS again closes indicating that AIRFLOW SWITCH proper air circulation has been established Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 19 LUNAIRE ENVIRON
10. more Please contact a TPS Sales Engineer for all available options and for further details As you can see Lunaire Environmental Test Chambers are diversified tools designed to encompass a wide range of operating conditions and functions If you come upon any questions as you continue on through the manual please contact our Service Department Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 8 LUNAIRE ENVIRONMENTAL Operating Parameters and Requirements This equipment is designed to operate safely when the following environmental conditions are met Indoor use only Within a temperature range of 5 C to 30 C max Maximum relative humidity 90 The listed chamber specifications are based on operation at 24 C ambient temperature altitude at sea level and a 60 Hz power supply Chamber operation utilizing a 50 HZ power supply may derate the listed performance specifications Equipment damage personal injury or death may result if this equipment is operated or maintained by untrained personnel Operators and service personnel must be familiar with the location and function of all controls and the inherent dangers of the equipment before operating or maintaining it TPS shall not be liable for any damages including incidental and or consequential damages regardless of the legal theory asserted including negligence and or strict liability Observe all safety warnings and operating parameters li
11. must refer to their operating manuals included with your Lunaire Environmental manual DEGREES C CONTROL PANEL Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 35 LUNAIRE ENVIRONMENTAL 17 0 PREVENTATIVE MAINTENANCE AN Only qualified service personnel should ever be permitted to perform any service related procedure on this chamber AN Disconnect and Lock Out Tag Out all electrical power from the facility at its source before servicing or cleaning Frequency of preventive maintenance procedures depends upon how the facility is used and upon other circumstances Because of this a hard and fast schedule of maintenance operations is difficult to present Indeed an inflexible schedule might be suitable for one user but completely inadequate for another Therefore we have provided periodic figures when to perform maintenance procedures based on the average chamber use We suggest that you maintain a preventive maintenance log In this log you will record operating notes pressures temperatures and electric readings The log is valuable because it will help maintenance and service people by documenting long term trends and by showing parameter levels when the chamber is operating properly Since the refrigeration system is sealed and the instruments are solid state little maintenance is required on the temperature chamber However the following preventive maintenance steps are suggested 17 1 M
12. our name and expanded our vision with the intent to provide you with more diversified solutions to your thermal product process requirements We truly hope that every aspect of chamber design and quality will measure up to your strictest standards Your chamber has been designed to operate with the reliability you expect for the demands you impose on your product and research testing Headquartered in New Columbia Pennsylvania which is located in the North central part of the state TPS includes the following five divisions that manufacture environmental test chambers and industrial ovens Tenney Environmental Lunaire Environmental Gruenberg Oven Blue M Lindberg Parts and service inquiries for equipment within each division should be directed to TPS by any of the following methods Important Please have the Model and Serial Numbers of your unit available when contacting us A TPS ATP S P O Box 150 Mailing Address Thermal Product Solutions White Deer PA 17887 of 3PX Corporation Phone 570 538 7200 Fax Parts Dept 570 538 7385 Fax Service Dept 570 538 7391 Fax Main 570 538 7380 E Mail Address service lunaire com Web site www thermalproductsolutions com Parts Replacement Your equipment has been designed and manufactured to provide years of reliable service In the event a component should fail it is recommended that only OEM approved parts be used as replacements Please
13. the cartridge should last between four and eight weeks However check it weekly Replacement cartridges can be obtained from the TPS Parts Department Condensate Pump A condensate pump may be used to pump water condensation from the chamber drain port to either a drain located away from the chamber or back to the optional water reservoir The pump will automatically turn on and off in response to an integral float switch A grounded power supply cord is provided with the unit For Lunaire Model CEO Chambers Place the pump underneath the drain port at the rear of the chamber to catch dripping water Thirty feet of 1 4 PVC tubing with a 3 8 MPT X 1 4 COMP connector is provided for your pump outlet connection Condensate Pump Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 32 LUNAIRE ENVIRONMENTAL 13 0 HUMIDITY ALARM CIRCUITS Optional for 3 amp 4 Models As an option outputs from the Watlow 96 Humidity Controller C2 may be used as high and low humidity alarm outputs Output C2 03 will close and energize the High Humidity Alarm Relay 8CR when the programmed high limit humidity level is reached Output C2 04 will close and energize the Low Humidity Alarm Relay 9CR when the programmed low limit humidity level is reached Corresponding Low Humidity and High Humidity lights will illuminate and an audio alarm will sound When either the high or low limit alarm circuit triggers the audio alarm
14. to 4 000 feet long Data signals in each pair are measured as a plus or minus 5 Volt differential EIA 485 This interface uses only 2 wires Both wires are used for transmitting and receiving data and therefore only one device may talk at a time Up to 10 chambers may be connected to your computer on a multi drop network up to 4 000 feet long Data signals are measured as a plus or minus 5 Volt differential An EIA 485 card must be installed for signal conversion IEEE 488 This is a parallel multi drop interface with several control and data lines Each device connected must be set to a unique address Data from other test devices may also be collected An IEEE 488 to serial converter card must be installed Maximum cable length is approx 33 ft 7 2 Conditioning Control Functions Temperature Control Heating 1 amp 3 Models The temperature range for all 1 and 3 Models is from 10 C above ambient to 99 C For the control of temperature Output C1 01 of the Watlow 96 Temperature Controller C1 is used for heat control C1 01 is enabled as soon as the Main Power Switch is turned ON When heating is required C1 01 will close to energize the solid state Heater Relay 1HR Contacts of 1HR along with those of the High Limit Relay 1HL provide power to the heater in the conditioning section Output C1 01 is a time proportioned PID solid state relay type that provides a temperature control tolerance of 0 3 after stabilization Temper
15. to the system s motors Making the Power Supply Connection to the Chamber A main power disconnect switch is normally not provided with your chamber We recommend that a fused disconnect switch on a separate branch circuit be installed as the power source to your chamber in accordance with all national and local electrical codes Reference your Electrical or Power Schematic for all electrical requirements The power connection is made via a cord and plug for small standard units Connect the plug to a receptacle that has the appropriate power supply on a branch circuit of its own Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 16 LUNAIRE ENVIRONMENTAL For larger or special units that have the power supply hard wired to the chamber connect incoming lines to the main input connections provided in the control section AN Warning High Accessible Current An Earth connection is essential before connecting the power supply Make sure equipment is properly grounded in accordance with all codes 5 9 Application of Power Before energizing any equipment make a visual inspection for loose components electrical connections fittings etc Shut all operating switches to the OFF position before energizing Have trained personnel start and check out the equipment before its first cycle Motor Rotation Check Units with three phase motors must be checked to insure proper motor rotation A red ar
16. Controller Configuration The pre programmed controller configuration for your chamber is documented in the Test Report which is located in the Supplemental Instructions Section Refer to the controller manual for programming details Important The configuration set up is mainly provided for your reference Not all of the parameters shown apply to your chamber Changes to some of the set up parameters may drastically affect your chamber performance and void your warranty Contact the TPS Service Dept before attempting any changes Data Communications As an option your chamber may include data communications with the main controller s serial port When employed a Data Communications manual will be included in the Supplemental Instructions Section As a reference the available data types are listed and briefly described below RS232C RS423A Both interfaces are compatible and use 3 wires a single transmit wire a single receive wire and a common line The maximum wire length is 50 feet Only a single chamber may be connected to your computer Data signals are measured as plus and minus 12 Volts to common with RS232C and plus and minus 5 Volts to common with RS423A Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 20 LUNAIRE ENVIRONMENTAL RS422A This interface uses 5 wires a transmit pair a receive pair and a common line Up to ten chambers may be connected to your computer on a multi drop network up
17. E ENVIRONMENTAL 10 0 SINGLE STAGE REFRIGERATION DESCRIPTON 3 amp 4 Models The basic single stage system consists of a compressor an air cooled condenser an evaporator coil and various refrigerant flow regulating devices Refrigerant flow is from the compressor as a hot compressed gas to the condenser Here the refrigerant cools and condenses to liquid form and flows through various flow capacity devices to the evaporator cooling coil in the chamber conditioning section Warm chamber air is circulated through the cooling coil and heat exchange occurs as the liquid refrigerant boils vaporizes and absorbs chamber heat The vaporized refrigerant returns to the compressor through the suction line and the cycle is repeated A Liquid Injection solenoid valve SV3 is included to inject liquid refrigerant into the suction side of the system This action maintains a positive cool refrigerant flow to the compressor when operating at reduced capacities The refrigeration system is normally turned on when the chamber setpoint temperature is below 37 C or when you wish to cool the chamber down quickly from a high setpoint The system is energized by turning the Refrigeration Switch S3 ON This turns on the compressor through relay xCR opens the Refrigeration Valve SV2 and opens the Liquid Injection Valve SV3 The Refrigeration ON light will illuminate A Low Pressure Cut out Switch PS 1 is provided in the suction line to the compressor PS 1 will open
18. EVENTATIVE MAINTENANCE SCHEDULE LOG ITEM TO BE Inspection Period Actual Date Actual Date Actual Date Actual Date Inspected Inspected Inspected Inspected INSPECTED Serviced Serviced Serviced Serviced Door Gasket 30 Days Ps es ee N Door Sealing Quality 30 Days rs a ee eee Condenser Coil Fan 30 Days es es es Conditioner Blower 6 Months Wheel Evaporator Evaporator Cooling Coil Evaporator Cooling Coil 6Months Months General Electrical 6 Months Connections Electric Heaters 6 Months Electrical Supply 6 Months Voltage Main Temperature Controller Calibration Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 41 LUNAIRE ENVIRONMENTAL SUPPLEMENTAL INSTRUCTIONS Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 42
19. Flo System before operating Humidity conditions are controlled by a microprocessor based Watlow 96 Controller C2 The Watlow 96 is a 1 16 DIN controller which incorporates the following features 11 1 Controller Features The Watlow 96 is a powerful 1 16 DIN controller which incorporates the following features Single Channel Non Profiling Automatic amp Manual Control 1 Universal Input Dry Capacitance Type Humidity Sensor is used 1 Auxiliary Input DC Process 4 20 ma Process or Digital Event Input 2 Control Outputs Time Proportioned On Off or 4 20 ma Control Output 2 may be an alarm 1to3Alarm Outputs Optional for Outputs 2 4 1 Retransmit Output Optional for Output 4 Communications Optional for Output 4 Serial w Modbus RTU Controller Keys and Displays The front panel of the Watlow 96 is provided with user friendly features that aid in monitoring and setup The upper display indicates actual process values while the lower display indicates setpoint value Output LEDs No s 1 2 3 amp 4 will light when the corresponding controller output is energized The auto manual mode indicator light will illuminate when operating in the manual mode and will be off when operating in the auto mode The Advance Key advances the lower display through the configuration parameters The Infinity Home Key returns to the Home Page and resets a latching alarm or a latching input sensor error The Up and Down arr
20. LUNAIRE ENVIRONMENTAL E Lunaire Steady State Stability Test Chamber OPERATION amp MAINTENANCE MANUAL Model No CEO9xx x Serial No 3xxxx CHAMBER TYPES CEO9xx 1 Heating Only CEO9xx 2 Heating Cooling CEO9xx 3 Heating Humidity CEO9xx 4 Heating Cooling Humidity CONTROLLER TYPES Temperature Controller Watlow 96 Humidity Controller Watlow 96 3 amp 4 Models CHAMBER OPTIONS Air Dryer C Chart Recorder ATPS 2821 Old Route 15 New Columbia PA 17856 570 538 7200 Fax 570 538 7380 Rev 10 16 06 Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 1 LUNAIRE ENVIRONMENTAL TABLE OF CONTENTS SECTION Page INFORMATION 1 0 COMPANY INFORMATION amp ASSISTANCE 4 2 0 SAFETY WARNINGS amp SYMBOLS 5 6 3 0 PRODUCT SPECIFICATIONS amp OVERVIEW 7 9 4 0 DRAWINGS INFORMATION and VENDOR INSTRUCTION LISTINGS 10 5 0 INSTALLATION INSTRUCTIONS 5 1 Delivery and Uncrating of Unit 11 5 2 Location and Installation of Unit 11 5 3 Chamber Drain Connection 12 5 4 Air Supply Connection 12 5 5 Vapor Flo Humidity Generator Checks 13 5 6 Vapor Flo Water Supply Quality amp Connection 14 15 9T Before Running Humidity Tests Important 15 5 8 Power Connection 16 17 5 9 Application of Power 17 SYSTEMS and CONTROL 6 0 AIR CIRCULATION SYSTEM 18 19 7 0 TEMPERATURE CONTROL Watlow 96 Controller C1 7 1 Controller Features 20 21 7 2 Conditioning Control Functions
21. MENTAL 7 0 TEMPERATURE CONTROL Watlow 96 Controller C1 7 1 Controller Features Temperature conditions are controlled by a microprocessor based Watlow 96 Controller C1 The Watlow 96 is a 1 16 DIN controller which incorporates the following features Single Channel Non Profiling Automatic amp Manual Control 1 Universal Input 100 Ohm Platinum RTD is Std 1 Auxiliary Input DC Process 4 20 ma Process or Digital Event Input 2 Control Outputs Time Proportioned On Off or 4 20 ma Control Output 2 may be an alarm 1 to 3 Alarm Outputs Optional for Outputs 2 4 1 Retransmit Output Optional for Output 4 Communications Optional for Output 4 Serial w Modbus RTU WATLOW 96 CONTROLLER Keys and Displays The front panel of the Watlow 96 is provided with user friendly features that aid in monitoring and setup The upper display indicates actual process values while the lower display indicates setpoint value Output LEDs No s 1 2 3 amp 4 will light when the corresponding controller output is energized The auto manual mode indicator light will illuminate when operating in the manual mode and will be off when operating in the auto mode The Advance Key advances the lower display through the configuration parameters The Infinity Home Key returns to the Home Page and resets a latching alarm or a latching input sensor error The Up and Down arrow keys raise or lower both of the display values
22. SPECIFICATIONS amp OVERVIEW Application This manual applies to Lunaire Environmental Steady State Stability Test Chambers which are engineered to provide a diverse set of environmental operating conditions Heating cooling and humidity conditioning in various combinations can be chosen to closely match your test requirements Model Number Designations and Specifications There are four basic models in the CEO series which include Models CEO9xx 1 2 3 and 4 The dash numbers 1 2 3 and 4 define what environmental operating conditions the chamber provides Chamber types and temperature and or humidity ranges are listed below Each of the standard models are available in five different workspace sizes which include 10 17 32 41 and 58 cubic feet Size is designated by the 9xx number e g CEO910 CEO917 CEO932 CEO941 and CEO958 Important Note Throughout this manual the dash numbers 1 2 3 and 4 will reference all Lunaire chamber models Chamber Type Temperature and or Humidity Range CEO9xx 1 Heating Only Temp 10 C above ambient to 99 C CEO9xx 2 Heating Cooling Temp 0 C to 99 C CEO9xx 3 Heating Humidity Temp 10 C above ambient to 99 C Humidity above ambient to 96 RH CEO9xx 4 Heating Cooling Humidity Temp 0 C to 99 C Humidity 20 to 96 RH Control tolerance after stabilization is 0 3 C for temperature and 2 for relative humidity Temperature unifor
23. aintenance Checks Procedures AN All interlocks and safety features should be tested periodically for proper operation Door Gaskets Inspect the door gaskets for wear cracks tears etc Replace gasket if significant wear is evident Inspection Period 30 Days Door Sealing Quality Check that the door seals evenly around its perimeter to negate thermal loss Adjust door latch if necessary Inspection Period 30 Days Air Cooled Condenser Coil Fan AN Remove All Power From Chamber Inspect the condenser coil for dust or dirt accumulation that would impede the flow of air 2 and 4 Models A dirty condenser will decrease system efficiency and drive up compressor head pressure causing it to trip out If necessary clean with a brush or vacuum cleaner Frequency of cleaning depends upon the air quality at the chamber The condenser fan should also be checked for cleanliness Make sure the fan spins freely Inspection Period 30 Days Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 36 LUNAIRE ENVIRONMENTAL Conditioner Blower Wheel A N Remove All Power From Chamber Inspect and clean the conditioner fan in the conditioning plenum Make sure the fan spins freely and that it is tight on its shaft Inspection Period 6 Months Evaporator Cooling Coil AN Remove All Power From Chamber Clean the evaporator cooling coil in the conditioning plenum Inspection Period 6 Months General Electr
24. al performance which is normally between 10 and 20 PSIG at the input gauge Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 27 LUNAIRE ENVIRONMENTAL 12 2 Design Operational Features The bell jar is filled with either demineralized or single distilled water through the water inlet port Water level is accurately controlled by a float that is connected to a shut off valve at the water inlet port through an extension arm The water level is kept to a minimum about one inch above the immersion heater This permits the water to be rapidly heated or cooled as power is cycled to the heater There is very little system lag A thick black insulating sleeve covers the length of the bell jar The sleeve is removable for inspection and cleaning purposes An Overflow Line extends upward from the Drain Line to a point above the normal water operating level but below the vapor port This design prevents excess water from draining into the chamber should the float valve fail A Vent Line extends up from the Overflow Line which prevents a vapor lock condition The immersion heater is protected from an overheat condition that could occur from a water supply failure by an automatic reset thermostat TS The thermostat employs a temperature sensing element that is wrapped around the length of the immersion heater TS contacts will open to remove power to the heater when the heater temperature rises above 168 C 334 F The fa
25. ate the Low Limit Alarm light and activate the audible alarm Alarm Silence Switch The audible alarm can be silenced by pressing the Alarm Silence pushbutton The alarm silence circuitry will automatically reset when the out of limit condition returns to normal Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 22 LUNAIRE ENVIRONMENTAL 9 0 HEATING DESCRIPTON Electric Incoloy sheathed heater elements are utilized for heating The CEO910 917 932 and 941 series incorporate one heater element The larger CEQ958 series incorporates two elements All heaters are mounted in the conditioning plenum Location of the elements prevents direct heat radiation to the product The heater ends protrude through the top of the chamber into the control panel section where the electrical connections are made Each heater end passes through a short stainless steel alloy tube and is sealed with silicone on both ends Retainer clips secure each heater end When heating is required output C1 01 of the Watlow 96 Temperature Control C1 will close to energize Heater Relay 1HR The contacts of 1HR along with those of the High Limit Relay 1HL provide power to the heater element Please reference the Electrical Schematic for your chamber s heater bank ratings r L a F 1 4 te i 7 d SHEATHED HEATER Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 23 LUNAIR
26. ated by one or more blower conditioner motors Air flow is in a horizontal pattern through the chamber workspace Chamber sizes 10 thru 41 cubic feet employ one blower motor The 58 cubic foot model employs two blower motors Conditioner motors are externally mounted Air intake and exhaust tubes with manual dampers are provided to vent moisture or undesirable vapors from the chamber workspace Temperature Humidity Controller s Temperature conditions are controlled by a Watlow 96 Temperature Controller which uses an RTD sensor for temperature measurement Humidity conditions in the 3 and 4 models are controlled by a Watlow 96 Humidity Controller which uses a dry capacitance type humidity sensor for humidity measurement The Watlow 96 is a powerful one channel non profiling type controller that features one universal input a second auxiliary input that can be used for a remote set point or an event input and four outputs Outputs are configured in several different modes Time proportioning is used for the control of heat and humidity 3 amp 4 models On Off control is used for defrost in 2 and 4 models Alarm outputs are used for high and low limit setpoints Additional Options Lunaire Steady State and Stability Test Chambers are engineered with the capability to incorporate optional features that include a humidity alarm circuit a condensate pump and a one or two channel circular or strip type chart recorder And there s much
27. ature Control Heating amp Cooling 2 amp 4 Models The temperature range for all 2 and 4 Models is from 0 C to 99 C For the control of temperature Output C1 01 of the Watlow 96 Temperature Controller C1 is used for heat control and a Refrigeration On Off switch on the control panel is used for cooling C1 01 is enabled as soon as the Main Power Switch is turned ON When the Refrigeration Switch is turned ON the compressor will run constantly There is no cooling output Please reference the Single Stage Refrigeration System section for a description of this system When heating the chamber to a setpoint above 37 C the Refrigeration Switch should remain in the OFF position Otherwise it will take an extended period of time to reach your setpoint temperature with the refrigeration system running For ambient temperature up to 37 C the Refrigeration Switch can be turned ON The heating output will now bump against the constant running refrigeration system to attain a set temperature Anytime you change your setpoint temperature from a high level to a lower level the refrigeration system should be turned ON When heating is required output C1 01 will close to energize the solid state Heater Relay 1HR The contacts of 1HR along with those of the High Limit Relay 1HL provide power to the heater in the conditioning section Output C1 01 is a time proportioned PID solid state relay type that provides a temperature control tolerance o
28. eater s resistance Unusually high resistance would indicate lack of heating power With the Vapor Flo unit operating measure voltage at the immersion heater terminals The voltage should be no lower than 10 below nominal Chief cause of low immersion heater voltage is an inadequate power cord Immersion Heater Resistance The Heater Resistance Table is provided to identify shorted HEATER RESISTANCE or open elements and to identify heater size Resistance values are those at 75 degrees Fahrenheit and may vary Healer by 15 or more without falling out of tolerance Heater 300 Watt 115 Volt terminals can be accessed in the electrical box on the rear 750 Watt 220 Volt 63 Ohm of the Vapor Flo 1 000 Watt 220 Volt 47 Ohm 1 500 Watt 220 Volt 31 Ohm important The Vapor Flo Generator should be drained before checking heater resistance This prevents fee eel coder N erroneous readings that may occur from a shorted element 3 000 Watt 220 Volt 16 Ohm Spare Parts Complete spare parts are available from the TPS Service Department When you order please specify the model and serial number of the equipment served by your Vapor Flo Humidity Generator Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 40 LUNAIRE ENVIRONMENTAL 17 3 Preventative Maintenance Schedule Log Important For each of the items to be inspected refer to item description sections for details on maintenance and service PR
29. enerator when the resistivity of your water supply is less than 50 000 Ohms cm 20 Microsiemens cm Most city water supplies have a resistivity that ranges from 2 000 to 20 000 Ohms cm 500 to 50 Microsiemens cm The use of water with these resistivity levels would result in encrustation of the generator s immersion heater housing and float assembly and cause system failure Note A prefilter may be necessary to remove an excess of suspended particles Please refer to all water quality warnings in section 5 0 Universal Model Il Cartridge lon Exchanger This unit produces an effluent with a resistivity between 50 000 and 100 000 Ohm cm 20 to 10 Microsiemens cm which is equivalent to an ion concentration level obtainable by single distillation It has a maximum capacity of 1600 grains as CaCQs at a flow of 7 2 gallons per hour Essentially all ionizable constituents are removed with the exception of silica and free carbon dioxide The resin in a newly installed Model Universal Il Cartridge consists of white and purple spherical shaped beads Discoloration of the resin will occur from the top down with the resin changing to an amber color Important When discoloration of the cartridge media reaches the line indicated on the cartridge approx 21 4 from the bottom you must replace the cartridge The amount of time it takes for complete exhaustion of the cartridge depends on your water resistivity and the amount of use Typically
30. f 0 3 after stabilization Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 21 LUNAIRE ENVIRONMENTAL 8 0 TEMPERATURE ALARM and SHUTDOWN CIRCUIT A high limit temperature shutdown circuit is provided on all models A low limit temperature shutdown circuit is provided on 2 and 4 Models only Both circuits sound an audible alarm when activated High Limit Temperature Alarm all Models Output C1 02 of the Watlow 96 Temperature Controller C1 is used as a high limit alarm output During normal conditions C1 02 is closed which energizes the High Limit Relay 1HL This relay enables the heater element and the Vapor Flo Humidity Generator 3 amp 4 Models When a programmed high limit setpoint is reached output C1 02 will open to deenergize 1HL This action removes power from the heater element and the humidity generator 3 amp 4 Models The High Limit Alarm light will illuminate and the audible alarm will sound Low Limit Temperature Alarm 2 amp 4 Models Output C1 03 of the Watlow 96 Temperature Controller C1 is used as a low limit alarm output When a programmed low limit setpoint is reached output C1 03 will close to energize the Low Limit Control relay 1CR Contacts of 1CR will open to deenergize and open the Refrigeration solenoid valve SV2 and the Liquid Injection solenoid valve SV3 Refrigerant flow to the cooling coil in the chamber conditioning section ceases 1CR will also illumin
31. fy Switch S6 must be closed to energize the air dryer and to enable the controller dehumidification output During operation the time proportioned output C2 02 of the Watlow 96 Heatiess Des tD Controller will energize and open the Dehumidify solenoid valve meamess estan ryer SV4 to permit the injection of dry air into the chamber The Dehumidify ON light will also illuminate Note Your equipment configuration may be slightly different from what is shown Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 33 LUNAIRE ENVIRONMENTAL 15 0 CHART RECORDER Optional for all models As an option your chamber may be provided with either a circular or strip type chart recorder to record temperature versus time This recorder is typically a one pen type which also digitally displays the process value A 100 ohm Platinum RTD sensor is used for temperature measurement The sensor is normally placed in the right side duct wall The recorder configuration is documented in the Test Report which is located in the Supplemental Instructions Section For complete details on the operation of the recorder please reference the recorder s user s manual which is located in the same section Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 34 LUNAIRE ENVIRONMENTAL 16 0 SEQUENCE OF OPERATION Important Make sure the Installation Instructions have been properly followed before operating the c
32. hamber Make sure all external switches are in the OFF position before performing the sequence below 1 Turn on the power source to the chamber and close the Main Power Switch The display of the main controller s and the Main Power On light should be illuminated The circulation blower s should be running 2 Load product and make sure the chamber door is securely closed 3 For heating control enter the desired temperature setpoint into the Temperature Controller C1 Enter your high limit and low limit 2 amp 4 Models alarm setpoints into C1 4 For cooling control with all 2 and 4 Models close the Refrigeration Switch when your temperature setpoint is below 37 C or when pulling the chamber temperature down from a high level The Refrigeration ON light should illuminate If this light does not illuminate the cooling system is in the defrost cycle Cooling will resume when the defrost cycle ends 5 For humidity control with the 3 and 4 Models close the Humidity Switch and enter the desired humidity setpoint into the Humidity Controller C2 If your chamber employs the Humidity Alarm option enter your high limit and low limit alarm setpoints into C2 6 If your chamber includes any options please reference the appropriate Optional section for further details Important Note For complete programming and or operating instructions on any of the controllers electrical mechanical components or optional equipment you
33. heater Heater terminals can be accessed in the electrical box on the rear of the Vapor Flo Immersion heater cycles on and off This is usually an indication of low water level Be sure water supply is adequate Clean the water inlet valve and washer of contamination Flush and clean the bell jar Finally adjust the float so that water level is about 1 above the immersion heater You may have to bend the float arm slightly Careful Do not damage the float If the element still cycles replace the thermostat assembly Wind the sensing element on the immersion heater approximately as the original was wound Water continually runs or dribbles from over flow The float valve is leaking Shut off water Remove the bell jar insulating sleeve and bell jar Remove and disassemble the float valve Shake the float If it is water logged replace it Clean the valve and reassemble If the valve still leaks after cleaning replace the Viton seal Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 39 LUNAIRE ENVIRONMENTAL Humidifier operates but vapor volume is low Examine the humidity feed line and remove any obstruction Thoroughly clean the immersion heater Be sure the water level is approximately 1 above the immersion heater Check the optional reservoir water level which should be just below the top inlet port The Viton seal may need replaced if the water level is too far above this level Measure the immersion h
34. ic personnel should ever be permitted to perform any service related procedure on the refrigeration system Do not adjust any mechanical components such as refrigeration valves or any electrical components except as directed in this manual Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 5 LUNAIRE ENVIRONMENTAL 16 Human exposure to temperature extremes can cause injury Do not open the chamber door until chamber temperature drops below 200 F 93 C when applicable Take appropriate precautions before opening oven doors and upon handling any chamber contents 17 Do not modify any component on this unit Use only original equipment manufactured OEM parts as replacement parts Modifications to any component or the use of a non OEM replacement part could cause damage to your equipment personal injury or death 18 Do not overload the floor of the chamber workspace or load the unit unevenly INTERNATIONAL WARNING SAFETY SYMBOL DEFINITIONS Obey all DANGER WARNING and CAUTION labels shown in the manual and mounted on the equipment Do not remove any labels mounted on the equipment WARNING OF HAZARDOUS AREA WARNING OF DANGEROUS ELECTRIC VOLTAGE WARNING OF HOT SURFACE 0 gt ee EARTH GROUND PROTECTIVE CONDUCTOR TERMINAL Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 6 LUNAIRE ENVIRONMENTAL 3 0 PRODUCT
35. ical Connections AN Remove All Power From Chamber Inspect inside the control panel and the machinery compartment for loose electrical connections frayed wires loose components or other potential problems Inspection Period 6 Months Electric Heater s AN Remove All Power From Chamber Inspect the electric heater s inside the chamber conditioning plenum and look for defects Inspection Period 6 Months Electrical Supply Voltage Measure the power supply voltage to your oven and verify that it is within the 10 tolerance established for the nameplate rating of your oven Inspection Period 6 Months Controller Calibration The main temperature and high limit controllers should be checked for temperature indicating accuracy and for the proper activation of limit or alarm outputs Please reference the controller user manual for more information Inspection Period 1 Year Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 37 LUNAIRE ENVIRONMENTAL Cleaning The Unit AN Remove All Power From Chamber We recommend cleaning with soap and water or alcohol After cleaning a laboratory disinfectant should be used to finish Removal of shelves and side panels is typical Plenum Conditioning Section When all the shelves have been removed the plenum may be taken out First extract the three screws in front of and just below the gasket Then disconnect the plenum drain hose if provided Fini
36. ight Do not replace the cover until you follow all of the instructions that follow Overflow Vent Tube Gasket Note Bell jar is shown with water drained Water Level Note Your equipment configuration may be slightly different from what is shown VAPOR FLO HUMIDITY GENERATOR Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 13 5 6 LUNAIRE ENVIRONMENTAL Vapor Flo Water Supply Quality amp Connection 3 amp 4 Models Water Quality Important gt gt Fee D Please read and adhere to the important statements below before utilizing your water supply Also refer to the Humidity System Section in this manual for more details We strongly suggest that you have your water supply tested for resistivity organic content and inorganic content before using the humidifier The water supply to the generator must be demineralized or single distilled and have a resistance measurement between 50 000 and 100 000 Ohm cm 20 to 10 Microsiemens cm It is important that the water is very low in minerals Otherwise the generator s immersion heater and belljar will become encrusted with minerals and cause system failure If your water supply can not meet the resistivity specifications a cartridge ion exchanger deionizer should be obtained from TPS Note lon exchangers are discussed in detail in the Humidity System Section Do not use double or triple distilled ultra pure water Pu
37. il safe design of the thermostat also removes power to the heater should the thermostat itself fail VAPOR amp WATER PORTS T STAT ELEMENT Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 28 LUNAIRE ENVIRONMENTAL Vent Tube y a a amp gt Water Supply Line amp Shutoff Valve Overflow Line Thermostat j Drain Line VAPOR FLO REAR RIGHT VIEW Note Your equipment configuration may be slightly different from what is shown Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 29 LUNAIRE ENVIRONMENTAL 12 3 Vapor Generating Capacity Approximate vapor generating capacity of various models is given in the table below This is a general guide Please remember that the data is approximate Variable factors such Heater Maximum Output as line voltage incoming water temperature back pressure and condition of the immersion heater will affect the output 12 4 Humidity Control Power to the electric immersion heater is time proportioned by the controller output This output may be derived directly from a dedicated Humidity Controller or from Channel 2 of a Temperature Humidity Controller PLCs normally use a 4 20 ma control output signal which may be converted to time proportioned control For standard Lunaire Model CEO chambers the controller output will energize a solid state relay which closes and provides power to the immersion
38. listed above The voltage rating is also found on the serial tag on the side of the oven Note the rated value here 2 Measure and record the intended voltage source Note the measured value here 3 Reference the Line Voltage Min Max Tables below Verify that the power supply voltage source you measured and recorded is within the minimum and maximum allowable operating voltages for your chamber rating If it is not within this operating range do not make the power connection Otherwise erratic operation and damage may occur to your equipment which may void your warranty If you have any questions please call the TPS Service Department Important One of the most common causes of equipment malfunction is low line voltage as the power source to the unit Ordinarily in this condition the heat output would be reduced and the system s motors would operate erratically eventually overheat and shut down You must be certain that your equipment is connected to a circuit with an adequate voltage and current source An oversupply voltage would also cause erratic operation and eventual shutdown or damage to your equipment 60 HERTZ SUPPLIES 50 HERTZ SUPPLIES LINE VOLTAGE MIN MAX TABLE LINE VOLTAGE MIN MAX TABLE Nominal Minimum Maximum Nominal Minimum Maximum Voltage Voltage oe Voltage Voltage Operation outside these Operation outside these limits can result in damage limits can result in damage to the system s motors
39. mity is maintained at 0 5 C throughout the chamber even with a variety of shelf loading configurations Lower humidity levels than those listed above can be achieved with an optional air dryer For Special Model CEO9xx x S N xxxxx only the following specifications apply Temperature Range x to xx degrees Celsius x x deg after stabilization Humidity Range xx to xx RH x after stabilization Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 7 LUNAIRE ENVIRONMENTAL Environmental Conditioning Functions Heating of chamber air is accomplished by recirculating chamber air through electric heater elements in the conditioning plenum of all models Cooling is accomplished in the 2 and 4 models by recirculating chamber air through a refrigerated cooling coil in the conditioning plenum These chambers incorporate a single stage refrigeration system with a hermetically sealed reciprocating compressor Non CFC refrigerant is used Humidification of chamber air in the 3 and 4 models is accomplished by water vapor injection which is generated by a Vapor Flo Humidity Generator The vapor is injected into the conditioning plenum near the conditioning blower intake Dehumidification of chamber air in the 3 and 4 models may be achieved with the optional heatless desiccant dryer This dryer generates dry air using a compressed air supply and is self regenerating Air circulation is gener
40. natural migration of vapor from the vapor port to the chamber conditioning plenum through copper or stainless steel tubing Vapor enters the conditioning plenum through a port on the discharge side of the fan blade or blower wheel and mixes in smoothly with the circulating air stream The system is very responsive but not overpowering as you may have with a steam injection type system An overpressure condition within the belljar can not occur because the vapor port acts like a vent port Another important feature of the Vapor Flo is its ability to increase chamber humidity levels with minimum effect on dry bulb temperature This is important in small chamber designs with limited cooling capacity Vapor generating capacities vary from 0 9 Ibs hr at 300 W 115 V to 9 0 Ibs hr at 3 000 W 220 V depending on the model used Note Your equipment configuration may be slightly different from what is shown in the photo below Vapor Line To Vent Tube Chamber 4 gt iy ot K se P a tAn u YN C l 47 Water n q Supply Line Float S ge 3 ie es 4 3 a nior as on ET ROE es esl eo oS ana LY FA eS brain Valve i 7 e r Ti one a Y VIEW DURING OPERATION Water Supply The water supply should be 30 40 PSIG maximum The connection is made to either the Utility Connection Panel 1 4 MPT or directly to the Water Pressure Regulator WPR 1 4 MPT The regulator is adjusted at the factory for optim
41. nt may lead to poor performance and deterioration of unit Make sure the chamber and any remote equipment provided are leveled when installed The chamber door may swing shut on personnel if unit is tilted A main power disconnect may not be provided with your unit If not provided we recommend that a fused disconnect switch on a separate branch circuit be installed as the power source in accordance with all National and Local Electrical Codes If your unit is equipped with a power cord and plug you must utilize a receptacle with the appropriate rating which is on a branch circuit of its own Do not position the chamber in a manner that would make it difficult to operate your main power disconnect switch Your power supply line voltage may be too low or too high to properly and safely operate your equipment Before making the power supply connection to your equipment you must follow the specific directions stated under Power Connection in the Installation Instructions section Failing to perform the directions stated may damage your equipment and void your warranty Control panels gauge boxes the conditioning compartment etc contain exposed electrical connections Keep panels in place properly when the unit is in operation Disconnect and Lock Out Tag Out all electrical power from the unit at its source before servicing or cleaning Refrigerant under high pressure is used in the 2 and 4 units Only qualified refrigeration mechan
42. oled air The conditioned air is discharged down into the right side duct wall and then enters the workspace through semi pierced openings over the entire height and depth of the chamber Air flows horizontally across the product and exits the workspace through semi pierced openings in the left side duct wall Processed air flows up the left side duct wall and returns to the plenum for reconditioning A 100 Ohm Platinum RTD sensor is used for temperature measurement It is placed in the discharge air in the right side duct wall A capacitive humidity sensor is used for humidity measurement 3 amp 4 Models This sensor is placed in the chamber workspace below the plenum cover Intake Tube Refrig Coil Short Tube i MOURINO Discharge Air Note Right side duct wall is removed Exhaust Tube 2 _ Vapor 3 Injection Sra a Port o i i Humidity jf RTD Sensor I t Sensor PLENUM CONDITIONING SECTION Note Your chamber configuration may be slightly different from what is shown Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 18 LUNAIRE ENVIRONMENTAL Plenum Condensate Drip Pan PLENUM COVER INSTALLED Air Intake Tube Air Exhaust Tube An air intake tube and an air exhaust tube mounted at the top of the chamber provide a means of exchanging a portion of process air with fresh ambient air Both tubes have manual butterfly dampers which are factory set
43. om the plenum the chamber floor and the door drip pan mounted on the bottom of the door 5 4 Air Supply Connection 3 amp 4 Models Your chamber will require a compressed air supply for the Dry Air Dehumidification Dry Air Purge System option The supply should be clean and dry and range from 80 PSIG min to 100 PSIG max The connection type is FPT Make sure the connection is secure Reference the corresponding Options section in this manual and your chamber specifications for more details Flow Adjustments Twin Tower Adjust the flow adjustment valve at the supply meee rate connection to maintain 100 PSIG max Adjust the flowmeter metering valve to approximately 300 cubic feet per hour Note Your equipment configuration may be slightly different from what is shown a k 4 ry Flow Adjustment Valve T oy ey i ll Metering Valve Compressed Air Supply Input Dry Air Purge System Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 12 LUNAIRE ENVIRONMENTAL 55 Vapor Flo Humidity Generator Checks 3 amp 4 Models The humidity generator is installed inside the machinery section and consists mainly of a glass bell jar assembly A thick black insulating cover is wrapped around the bell jar Remove the cover by sliding it off Make sure the gasket sealing the bell jar is positioned properly around its perimeter and that the wingnuts securing the bell jar are t
44. ow keys raise or lower both of the display values Data Communications Optional Output No 4 is used for this option Data communications utilizes EIA 232 and EIA 485 serial interface with Modbus RTU protocol Modbus RTU enables a computer or PLC to read and write directly to registers containing the controller s parameters Both data interface types are briefly described below Refer to the main controller manual for details RS232C RS423A Both interfaces are compatible and use 3 wires a single transmit wire a single receive wire and a common line The maximum wire length is 50 feet Only a single chamber may be connected to your computer Data signals are measured as plus and minus 12 volts to common with RS232C and plus and minus 5 volts to common with RS423A EIA 485 This interface uses only 2 wires Both wires are used for transmitting and receiving data and therefore only one device may talk at a time Up to 10 chambers may be connected to your computer on a multi drop network up to 4 000 feet long Data signals are measured as a plus or minus 5 volt differential Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 25 LUNAIRE ENVIRONMENTAL Controller Configuration The pre programmed controller configuration for your chamber is documented in the Test Report which is located in the Supplemental Instructions Section Refer to the controller manual for programming details Important The config
45. re water greater than 1 0 Megohm cm will attack metals such as copper brass etc and will drastically reduce the life of the humidifier Never supply demineralized or single distilled water to a cartridge ion exchanger The result is double distilled water lf your water supply tests show that appreciable amounts of suspended particles are present as determined by a Certified Test Lab either a 5 micron or 25 micron polypropylene pre filter should be used This filter may be needed in addition to an ion exchanger All filter types can be obtained through TPS If your water supply test shows that appreciable amount of organics free chlorine and chloramines phosphate complexes and turbidity are present as determined by a Certified Test Lab a roughing filter US Filter Model Absorber should be used This filter may be needed in addition to an ion exchanger All filter types can be obtained through TPS Due to periodic changes that could occur in the quality of city or well water supplies you should check your water for resistivity and organic inorganic content every 1 to 2 months Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 14 LUNAIRE ENVIRONMENTAL Supply Connection The water supply should be 30 40 PSIG maximum The connection is normally made directly to the Water Pressure Regulator WPR 1 4 MPT The regulator is adjusted at the factory for optimal performance which is normall
46. row is located on the motor housing to show proper rotation If it is opposite shut down the oven and disconnect the main power supply source Perform Lock Out Tag Out Procedures established by your company Reverse two of the line feeds to obtain proper operation Failure to check motor rotation may result in DAMAGE TO THE EQUIPMENT due to opposite airflow or no airflow Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 17 LUNAIRE ENVIRONMENTAL 6 0 AIR CIRCULATION SYSTEM System Overview Lunaire chambers are engineered with a highly efficient horizontal airflow system to provide maximum temperature uniformity The generation and conditioning of airflow occurs in the plenum conditioning section at the top of the chamber The plenum is isolated from the workspace so that no direct radiation to the product can occur Air circulation is generated by a blower wheel which is driven by an externally mounted motor Two conditioner blowers are used in the larger Model CEO958 s Conditioning equipment includes electric Incoloy sheathed heaters a refrigeration coil 2 amp 4 Models a humidity injection port 3 amp 4 Models and a dry air injection port optional Airflow Description Process air is conditioned as it is drawn through the heaters and the refrigeration coil 2 amp 4 Models by the blower wheel Injected humidified air or dry air 3 amp 4 Models mixes in smoothly with the heated or co
47. sh this step by sliding the plenum toward the front of the unit until it is completely out Side Panels The side panels are held in place by four stainless steel nuts To remove the panels remove the four nuts on each side panel Swing the bottom of panels toward the center of the unit and remove Important Note For complete preventative maintenance instructions or equipment maintenance instructions on any of the instruments electrical or mechanical components or electrical mechanical machinery and motors you must refer to their operating manuals included with your Tenney or Lunaire Environmental manual The smaller manuals and vendor cut sheets are located in the Supplemental Instructions Section Any large manuals that could not fit into this 3 ring blue binder are sent alongside of it Notes The refrigeration system is permanently sealed and a periodic oil change is NOT required fa loss of cooling performance is noted immediately check the condenser for restricted air flow All motors are permanently lubricated therefore greasing or oiling is not required Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 38 LUNAIRE ENVIRONMENTAL 17 2 Vapor Flo Humidifier Maintenance amp Troubleshooting AN Only qualified service personnel should ever be permitted to perform any service related procedure on this chamber Maintenance Pull back the bell jar insulation and inspect the float heater
48. sted in this manual as well as all Caution Danger and Warning signs or labels mounted on the equipment to reduce the risk of equipment damage and personal injury Steady State Stability Test Chambers Models CEO9Qxx 1 2 3 4 W96s Page 9 LUNAIRE ENVIRONMENTAL 4 0 DRAWINGS INFORMATION and VENDOR INSTRUCTION LISTINGS As applicable to the chamber model and serial number the following drawings are included in the Supplemental Instructions Section of this manual Note For specially designed chambers the Electrical Schematic will be designated by the number D800 and the Relay Pan Layout when provided will be designated by the number D801 Electrical Schematic LE10XX 4 Relay Pan Layout when provided L100X 4 Refrigeration Schematic 2 amp 4 Models 1 3 HP System R 1736 4 1 2 HP System R 1737 4 3 4 HP System R 1738 4 Condensate Pump amp Dehumid Option when applicable for 3 amp 4 LE1000 2 Humidity High Low Alarm Option when applicable for 3 amp 4 LE1001 2 Boost Buck Transformer for Circulation Motor Optional when applicable LE1002 2 The following vendor manuals and information are provided Watlow 96 Controller Manual Humidity Sensor For 3 and 4 Models Vaisala Chart Recorder with option Test Report Heatless Dryer Manual with dry air dehumid option Note Various other vendor manuals and product information sheets may be provided which contain important operation and main
49. tenance instructions Their inclusion is subject to vendor availability Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 10 LUNAIRE ENVIRONMENTAL 5 0 INSTALLATION INSTRUCTIONS Read this section completely before attempting to install or operate the equipment 5 1 Delivery and Uncrating of Unit Inspect equipment and shipping crate immediately upon receipt If any damage is apparent you should discuss it with the trucking delivery person and contact the transportation company immediately Make notes of any damage on the Bill Of Lading Retain all shipping materials for inspection Any claims for damage must start at the receiving point Check packing slip carefully and make sure all materials have been received as indicated on the packing ticket Unless otherwise noted YOUR ORDER HAS BEEN SHIPPED COMPLETE and transported in an upright position or as indicated on the shipping pallet Damage to the i Warning Chambers remote control cabinets and remote machinery skids should be handled equipment may be incurred if it is not handled properly Important Do to the vibration incurred during shipping and handling it is possible that mechanical connections could become loose Check all connections to make sure they are secure For 3 and 4 models with a Vapor Flo Humidity Generator check all water fittings to make sure they are tight Inspect the Vapor Flo Humidity Generator assembly as described below
50. uration set up is mainly provided for your reference Not all of the parameters shown apply to your chamber Changes to some of the set up parameters may drastically affect your chamber performance and void your warranty Contact the TPS Service Dept before attempting any changes 11 2 Conditioning Control Functions Humidity Control 3 amp 4 Models For 3 Models humidity levels range from above ambient to 96 RH For 4 Models humidity levels range from 20 to 96 RH Control tolerance is 2 RH after stabilization Extended dehumidification levels can be achieved with the optional dry air system The Humidity Switch must be turned ON to enable the humidity circuitry When humidification is required the time proportioned output C2 01 of the controller will energize solid state relay 2HR which provides power to the Vapor Flo Humidity Generator Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 26 LUNAIRE ENVIRONMENTAL 12 0 HUMIDITY SYSTEM 3 amp 4 Models AN Make sure the water supply is turned on to the Vapor Flo System before operating 12 1 System Overview Vapor Flo Humidity Generators are used to generate water vapor for the humidification of test chambers Vapor is produced by heating water with an electric immersion heater in an enclosed glass bell jar assembly Power to the heater is time proportioned by the controller output The build up of vapor pressure in the bell jar causes a
51. y between 10 and 20 PSIG at the input gauge Water Reservoir When the optional 5 Gallon Water Reservoir is used fill the reservoir to just below the top hose inlet port when provided Water is fed by gravity to the humidifier When operating with high humidity conditions you may have to fill the reservoir daily Condensate Pump The optional condensate pump may be used to reduce the frequency of refilling the reservoir or to conserve water Water is pumped back to the reservoir in response to an integral float switch Important Refer to the Humidity System Section in this manual when a water reservoir a condensate pump or a cartridge ion exchanger is used Water Supply Regulator After turning on the water supply and adjusting the pressure make sure the water level in the belljar is approximately 1 above the immersion heater Replace the insulating cover 5 7 Before Running Humidity Tests Important exhaust port dampers at the top of the chamber The extra heat introduced by the high volume of i Before running high temperature with high humidity conditions you should open the intake and vapor needs to be removed Steady State Stability Test Chambers Models CEO9xx 1 2 3 4 W96s Page 15 LUNAIRE ENVIRONMENTAL 5 8 Power Connection AN Warning Before making the power supply connection to your unit you must perform the following procedure 1 Verify the power supply voltage rating established for your chamber
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