Summary of Contents for Thermotron S Series
- Page 1 A Venturedyne, Ltd., Company S/SM-Series Environmental Test Chamber Instruction Manual Revision 8: April 29, 2021...
- Page 2 Thermotron Industries. All relevant issues have been considered in the preparation of this document. Should you notice an omission or any questionable item in this document, please feel free to contact the Thermotron Product Support group between 8:00 and 4:30 Eastern Standard Time at 616-392-6550.
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Page 3: Table Of Contents
A guide to the operation instructions ............................B1 Operation safety instructions ............................... B2 Performing a test ....................................B3 Connecting and disconnecting electrical power ........................B5 Using port gloves ....................................B5 What to do if the chamber does not operate ........................B5 Thermotron Industries... - Page 4 Charging the R-404A, R-449A, or R-507 high-stage or single-stage refrigeration system ......... D7 Replacing a circulator fan ................................D8 Section E: Parts Lists and Drawings Recommended spare parts ................................E1 Calling Thermotron for assistance ............................... E1 Returning materials ................................... E2 Parts lists and drawings ..................................Section F: Appendix Glossary ........................................
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Page 5: Important Safety Instructions
Directly connect the chamber to a dedicated electrical circuit in accordance with local codes. Do not use an extension cord or power strip to connect the chamber to an electrical outlet. If the supplied power cable is too short, consult Thermotron Industries or a licensed electrician. •... - Page 6 Even when the chamber is off, fans and compressors can ALWAYS start when the primary power is connected. • Do not put the machinery section at an angle of more than 45° without special instructions from Thermotron Industries. Thermotron Industries...
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Page 7: Humidity System Supply Water Requirements
All low-humidity chambers must first be operated in a temperature-only mode to evaporate any water condensation from inside the chamber before low-humidity specifications can be met. • Refer to Section A (Installation) and Section C (Preventive Maintenance) for additional information. Thermotron Industries... -
Page 8: Chamber Capacity
• The floor capacity can be increased to 182 kilograms if your chamber was engineered to include a spreader plate or load bar. • Any load capacity requirements exceeding specifications will require engineering. Thermotron Industries... -
Page 9: Performance Specifications
1. Temperature uniformity is the standard deviation from the mean measured at either -25°C or +100°C. 2. When operating in temperature/humidity mode, temperature range and ramp rate are reduced. 3. Based on temperature uniformity specifications. 4. Air temperature with an empty chamber. Thermotron Industries... -
Page 10: General Description
(duty cycle) of a selected time frame. Refer to the refrigeration schematic, the electrical schematic, and the instrument wiring schematic. Thermotron Industries... - Page 11 • To disable humidity operation and monitoring, clear the Humidity option check box. To disable humidity operation but continue monitoring chamber humidity, select the Humidity option check Thermotron Industries...
- Page 12 If the chamber temperature is less than the LLS set point, this low limit switch will disable the LN auxiliary cooling system. For additional information, refer to the Watlow manual in the O.E.M. section of this manual. viii Thermotron Industries...
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Page 13: A Guide To The Installation Instructions
Installing a purge system cooling system cooling system ........A8 Installing humidity port plugs .............................. A9 Connecting the condenser water supply ......................... A9 Installing refrigeration piping ............................A10 Installing electrical wiring ..............................A10 Starting up a chamber ................................A11 ....................................................................................Thermotron Industries... -
Page 14: Safety Instructions
This equipment is heavy; use the proper equipment to move it. Do not put strain on pipes or external components. CAUTION: Never tip a refrigeration system more than 45° unless instructed by Thermotron Industries. CAUTION: Use the electrical power supply shown on your chamber’s electrical drawing and serial tag, located above the electrical compartment. -
Page 15: Location
1. Inspect the chamber to see that no damage was done during shipment. If the chamber was damaged, note the damage on the bill of lading and contact the carrier or Thermotron Industries. 2. Remove the plastic wrapping and cut the metal bands holding the chamber to the skid. -
Page 16: Installing Port Gloves
3. If your chamber has a solid-state humidity sensor, make sure the DRAIN valve is closed on the vapor generator. 4. Connect your demineralized water supply directly to the humidity water inlet, and adjust the water regulator to 20 psig. 5. Check for leaks. Thermotron Industries... -
Page 17: Installing A Demineralizer
6. Make sure the valve on top of the demineralizer holder is open. 7. Make sure the DRAIN valve is closed on the vapor generator. 8. Connect your water supply to the demineralizer’s inlet and set the water pressure regulator to 20 psig. 9. Check for leaks. Thermotron Industries... -
Page 18: Installing A Water Purification System
Make sure the valve on top of the demineralizer holder is open. 6. Make sure the DRAIN valve is closed on the vapor generator. 7. Connect your water supply to the filter assembly and set the water pressure regulator to 20 psig. 8. Check for leaks. Thermotron Industries... -
Page 19: Installing A Pressurized Recirculation System
2. Attach an air supply to the inlet. The air must be clean, oil-free, and free of liquid water. The air inlet pressure should be 60-100 psig. 3. While the purge is operating, adjust the flowmeter according to the dryer manual in Section F. Thermotron Industries... -
Page 20: Installing A Gn , Ln , Or Co System
1,000 psig. Include a high-pressure relief valve in the line, and insulate the line. 4. Pressurize the line and check for leaks using a leak-detecting solution. Thermotron Industries... -
Page 21: Installing Humidity Port Plugs
Flush the line with water to remove any debris. Connect the water supply line to the water inlet. NOTE: Glycol 50/50 mix by mass has a specific heat capacity of about 0.75 BTU/lb °F, thus requiring increased flow rates in same-system comparisons with water. Thermotron Industries... -
Page 22: Installing Refrigeration Piping
Run the supply line into the electrical compartment using the connector required by the applicable electrical code. Connect power leads to the disconnect switch terminals and run the ground wire to the ground block on the electrical panel. Thermotron Industries... -
Page 23: Starting Up A Chamber
If your chamber has a pump-down pressure switch (PDPS), allow the chamber to warm to ambient temperature, and turn on the main power. 6. To perform a test, refer to “Performing a test” in Section B of this manual. Thermotron Industries... - Page 24 Installation S/SM-Series Environmental Test Chamber Instruction Manual Thermotron Industries...
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Page 25: A Guide To The Operation Instructions
Performing a test ................................B3-B4 Connecting and disconnecting the electrical power ....................B5 Using port gloves ..................................B5 What to do if the chamber does not operate ........................ B5 Programmer/controller manual ..............................Recorder manual ................................CD-ROM ....................................................................................Thermotron Industries... - Page 26 +65°C (+150°F). To remove gloves, pull them to the outside of the test space and insert the port plugs from the inside. CAUTION: Before resetting a safety device, read “What to do if the chamber does not operate” later in this section of the manual. Thermotron Industries...
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Page 27: Performing A Test
NOTE: If your chamber is equipped with a Therm-Alarm, the high limit has been set to +30°C at the factory. Thermotron recommends resetting this limit to a more suitable value to prevent Therm-Alarm trips while using your chamber. For additional information, see the Therm-Alarm section of your programmer/controller manual. - Page 28 NOTE: If your chamber is equipped with a Therm-Alarm, the high limit has been set to +30°C at the factory. Thermotron recommends resetting this limit to a more suitable value to prevent Therm-Alarm trips while using your chamber. For additional information, see the Therm-Alarm section of your programmer/controller manual.
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Page 29: Connecting And Disconnecting Electrical Power
Thermotron chambers have safety devices that prevent the chamber from operating when a problem exists. Some commonly used safety devices that can be reset by the operator are explained here. If necessary, call the Thermotron Product Support office at (616) 392-6550 between 8:00 am and 5:30 pm Eastern Standard Time. - Page 30 Operation S/SM-Series Environmental Test Chamber Instruction Manual Thermotron Industries...
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Page 31: A Guide To The Preventive Maintenance Instructions
Checking the oil level in a compressor ..........................C7 Testing safety switches ................................C7 Checking the R-23 or R-508B charge using a refrigeration gauge manifold ........... C8 Checking the R-404A, R-449A, or R-507 discharge pressure .................. C9 Cleaning your chamber ................................ C10 ....................................................................................Thermotron Industries... - Page 32 Use the main power disconnect switch to disconnect the electrical power from the chamber. If the disconnect switch is supplied by Thermotron, it is located on the electrical compartment door; put this switch in the OFF position to disconnect the electrical power.
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Page 33: Checking The R-23 Or R-508B Charge (For Chambers With Built-In Refrigeration Gauges)
Also, check the condenser for signs of rubbing or abrasion on tubing, and make sure the fan blades are tight and the condenser fan motor is bracketed down tightly. Thermotron Industries... -
Page 34: Checking And Replacing The Demineralizer
Chamber liner maintenance Suggested frequency: Every week Thermotron typically uses stainless steel for all interior parts of a chamber. To prevent corrosion, please follow these guidelines: • To avoid the buildup of chlorides or any contamination on the interior surfaces of the chamber, clean the chamber liner weekly using mild soap and water and a non-abrasive cloth or plastic scouring pad. -
Page 35: Checking And Replacing The Water Filter
4. Close the drain valve. 5. Reconnect the power to the chamber by turning the disconnect switch to ON. 6. Close the service panel. NOTE: Thermotron recommends you drain, disassemble, inspect, and clean the vapor generator at least once a year. Thermotron Industries... -
Page 36: Checking And Replacing The Dry Air Purge Filter
Thermotron Industries. • If large amounts of oil and water are always present, the dryer could be damaged. Replacement dryers are available from Thermotron Industries. 4. Replace the filter bowl; do not use a wrench to tighten it. Miscellaneous checks WARNING: High voltages that can kill are present. -
Page 37: Checking The Oil Level In A Compressor
If the switch is working, it will trip and shut the chamber down when the air temperature reaches the temperature setting on the switch. If the switch is not working, replace it. You can get replacement switches from Thermotron Industries. Thermotron Industries... -
Page 38: Checking The R-23 Or R-508B Charge Using A Refrigeration Gauge Manifold
Refer to “Charging the R-23 or R-508B refrigeration system” in Section D of this manual. • If the system does not need charging: Remove the hoses. b. Replace the service valve cap. Check the service valve cap for leaks. Close the service panel. Thermotron Industries... -
Page 39: Checking The R-404A, R-449A, Or R-507 Discharge Pressure
On a water-cooled system, you can adjust the R-404A, R-449A, or R-507 discharge pressure with the condenser’s water valve. The water valve has a marking on top indicating how to lower or raise the pressure. Lowering the pressure raises the flow, and raising the pressure lowers the flow. Thermotron Industries... -
Page 40: Cleaning Your Chamber
1. Wipe using a soft cloth or sponge dampened with a mild soap or detergent. 2. Dry with a soft cloth or chamois. • To clean the surface of the work space, use soap, non-abrasive detergent, or oven cleaner. • To clean the programmer/controller, gently wipe with a damp cloth. Thermotron Industries... -
Page 41: A Guide To The Service Instructions
A guide to the service instructions This section contains instructions for some common service procedures; for professional service help, contact the nearest Thermotron field service office. The instructions that are not checked do not apply to your chamber. Safety instructions ..............................i-ii and D2 Resetting safety switches ............................... - Page 42 Section D: Service NOTE: If you need technical assistance troubleshooting problems with your Thermotron environmental test chamber, please contact the Thermotron Technical Liaison office at (616) 392-6550 between 8:00 am and 5:30 pm Eastern Standard Time. Follow all WARNINGS to prevent death or personal injury.
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Page 43: Resetting Safety Switches
The water level in the recirculation Pump reset recirculation tank lid tank is too low. Therm-Alarms and other optional instruments can also act as safety switches. See the configuration sheet, controller manual, and OEM literature for more information on these instruments. Thermotron Industries... -
Page 44: Checking And Replacing Heat Links
Tighten the two nuts. NOTE: Make sure that the nuts are tight. Loose nuts can cause a blown heat link. 6. Replace the plenum cover and reattach any control sensors that were removed. 7. Reconnect the electrical power. Thermotron Industries... -
Page 45: Adding Refrigeration Oil
R-404A, R-449A, and R-507 cooling properties. • Maintain the R-404A compressor’s head pressure at 220 psig ±10 psig. • Maintain the R-449A compressor’s head pressure at 220 psig ±10 psig. • Maintain the R-507 compressor’s head pressure at 220 psig ±10 psig. Thermotron Industries... -
Page 46: Recovering Used Refrigerant
You may also call our field service engineers to recover the refrigerant for you. To arrange to have the procedure done, call the Thermotron Product Support office at (616) 392-6550 between 8:00 am and 5:30 pm Eastern Standard Time. -
Page 47: Charging The R-404A, R-449A, Or R-507 High-Stage Or Single-Stage Refrigeration System
• Make sure bubbles do not reappear. If they do, add more refrigerant. 5. Check the compressor amperage to make sure the system is not overcharged. If the system is overcharged, the amperage will be higher than normal. Thermotron Industries... -
Page 48: Replacing A Circulator Fan
9. Tighten the motor mounting screws. 10. Test again for free movement of the fan blade. Re-adjust the motor’s position if necessary. 11. Reconnect the fan motor wiring and test with power applied to the chamber. Thermotron Industries... -
Page 49: Section E: Parts Lists And Drawings
Thermocouples Heating coils Thermostats Limit switches Calling Thermotron for assistance At Thermotron, our telephone staff is trained to match your current needs to the proper person or department. To accomplish this, they need the following information: • Your name •... -
Page 50: Returning Materials
NOTE: If the defective part is received within 30 days of the issuance of the RMT number, Thermotron will replace the part under the terms of the warranty at no charge. If the part is received after 30 days, Thermotron will invoice the customer for the full cost of the replacement part. -
Page 51: Glossary
An opening designed to allow access to the test space. port plug: A piece of insulation material that fits into a chamber port. Thermotron Industries... - Page 52 (t/c): A device used to sense temperature as a function of voltage. transducer: A device that converts information from one medium, such as pressure, to another, such as current. Thermotron Industries...
Need help?
Do you have a question about the S Series and is the answer not in the manual?
Questions and answers
i have the old style controller from 1987, original . do you have a manual on the controller
Yes, there is a manual available for the Thermotron 100F-350F Testing System from 1987. It includes operation manuals and parts lists and covers models 100F, 100F-350F, and 350F.
This answer is automatically generated