MTI GSL-1600X Series Operation Manual

1600 c vacuum tube furnaces

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GSL-1600X Series

1600°C VACUUM* TUBE FURNACES

OPERATION MANUAL

860 South 19

Street, Richmond, CA 94804, USA

TEL: (510) 525 – 3070 FAX: (510) 525 – 4705

Website:

www.mtixtl.com

Email:

info@mtixtl.com

* Vacuum pressures may be safely used up to 1500°C

MTI Corporation

www.mtixtl.com

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Page 1 GSL-1600X Series GSL-1600X Series 1600°C VACUUM* TUBE FURNACES OPERATION MANUAL 860 South 19 Street, Richmond, CA 94804, USA TEL: (510) 525 – 3070 FAX: (510) 525 – 4705 Website: www.mtixtl.com Email: info@mtixtl.com * Vacuum pressures may be safely used up to 1500°C MTI Corporation www.mtixtl.com...
Page 2: Table Of Contents
GSL-1600X Series TABLE OF CONTENTS IMPORTANT NOTES ................................3 GENERAL WARNINGS ............................... 3 WARRANTY ..................................3 EQUIPMENT INFORMATION ............................4 INTRODUCTION: 4 FURNACE STRUCTURE: 4 SPECIFICATIONS: 5 ASSEMBLY INSTRUCTIONS ............................. 6 EQUIPMENT INSPECTION: 6 OPERATING ENVIRONMENT: 5 - 6 POWER CONNECTION: 6...
Page 3: Important Notes
The prospective user is responsible for carefully reading and understanding the contents of this manual prior to operating the equipment. MTI reserves the right to update or upgrade the product without informing customers of the data change(s) in this manual. Please visit www.mtixtl.com frequently for the latest information and manual.
Page 4: Equipment Information
GSL-1600X Series EQUIPMENT INFORMATION INTRODUCTION EQ-GSL-1600X single-zone series furnace use high-powered electric Molybdenum Disilicide (MoSi2) heating elements to achieve faster heating and cooling rates. Stainless steel vacuum flanges with valves, vacuum gauge and high purity ceramic tube are included for immediate use. This configuration allows for heating samples in vacuum or flowing gas. Precision temperature controller provides º...
Page 5: Specifications
GSL-1600X Series SPECIFICATIONS 1700° C Series Heating Element: Super 1800° C MoSi2 Heating Elements Model Size Power Requirement Heating Zone / Constant Temp. Zone Tube size: 18”(457 mm, single zone )/ GSL-1600X-80 AC 208-240 V, 50/60 Hz, 2” alumina tube: OD: 80mm x ID:72 mm Length: 1000 mm L 5.9"...
Page 6: Power Connection
208~240V AC. Attention: MTI Corporation will not be responsible for any equipment or property damage that results from improper or incorrect power connections. MTI Corporation...
Page 7 GSL-1600X Series Typical Single Phase AC Power In US MTI Corporation www.mtixtl.com...
Page 8: Thermocouple Installation
GSL-1600X Series THERMOCOUPLE INSTALLATION The thermocouple has been tested on the furnace to ensure proper function prior to shipping. However, some furnaces have special thermocouples that had to be removed prior to shipping to protect against damage. If your furnace does not come with the thermocouple already being installed, please use the following instructions to install it.
Page 9: General Operation
GSL-1600X Series Attention: Once the furnace setup is finished, we strongly recommend reading the handbook and follow the instructions listed in the “ HEATING PROFILE SETTING EXAMPLE ” section to perform a quick test and check the heating condition of the furnace.
Page 10 GSL-1600X Series  Limit the pressure regulator attached to the gas tank to below 1.1 atm before filling the tube with gas. Keep the vacuum valve(s) open during gas filling to avoid high pressure from building up inside tube. ...
Page 11 GSL-1600X Series Attention: A small to medium heating rate with a small temperature difference between the adjacent segments should be set when the furnace is being heated up from room temperature. Please take the characteristics of the material being sintered into consideration when setting the heating rate.
Page 12: Vacuum And Gas Flow Systems
The flanges on MTI furnaces can be readily configured to accept various fittings for vacuum pump connections. Typically, connection to the pump is made by securing stainless steel bellows to either side of the flange by quick locking clamps. For medium vacuum (25~10 Torr), the EQ-YTP550 vacuum pump is an ideal option.
Page 13: Temperature Control Instructions
GSL-1600X Series TEMPERATURE CONTROL INSTRUCTIONS TEMPERATURE CONTROLLER 1. Specification a. Compatible Thermocouple: K、S、R、E、J、T、N; b. Measurement Accuracy: 0.3; c. Power Input: Single phase 220V AC (±10%) / 50~60Hz; d. Power: ≤5W; e. 30 Programmable Segments. f. MET Certified 2. Structure SETTING THE TEMPERATURE CONTROLLER Start Up State When starting the device, the meter type and program version will display for a few seconds, and then enter the normal state.
Page 14: Heating Profile Setting Example
GSL-1600X Series Displaying Switch a. In the “normal state” or “program running state”, press “SET” key (Button 2) for 1 second to switch to “executing program segment” (Set executing segment or display the ongoing temperature segment). b. Press “SET” key (Button 2) again for 1 second to switch to “running time state” (Display the total running time PV xxxx min.
Page 15 GSL-1600X Series  Press “←” once to display “C01” on PV window;  C by using Keystrokes :“←”, “↑” or “↓” ; Set initial temperature to 0  Press “Set” to display “t01” on PV window;  Set heat-up time...
Page 16: Illustration Of Heating Profile Setting
GSL-1600X Series Attention: When finish all the segments you need, please end the last segment with -121 ILLUSTRATION OF HEATING PROFILE SETTING Setting Example: Temperature Control Program with 6-segments According to figure I above, all segments were recorded in the follow ing:...
Page 17: Running The Program
GSL-1600X Series Keep 25 minutes at 800 C in the fourth segment Target temperature of the fifth cooling stage Cooling time 20 minutes from 800-500 Beginning temperature of the sixth stage -121 Program end, Out-put power off. Furnace cooling down naturally.(t06 = -121...
Page 18: Temperature Controller Parameters
GSL-1600X Series TEMPERATURE CONTROLLER PARAMETERS Introduction of Main Parameters Parameter Name Parameter Function Setting Range Unit Maintain parameter ° C or definable unit 1－9999 Speed 1－9999 Delay time second 1－2000 CtrL Control type 2，3 Parameter lock 0 or 808 Attention: Whenever you want to change the parameters referred below, please firstly change the value of parameter “Loc”...
Page 19 GSL-1600X Series Speed parameter P: Parameter P has nothing to do with integral function. The bigger the P value is, the stronger the proportion and differential function are, vice versa. Delay time t: It is defined as the time spent when the heating rate reaches to 63.5% of the maximum value with assumption that there is no heat dissipation.
Page 20: Parameter Setting
AUTO - TUNE In order to obtain precise temperature control, customers should pay more attention to the parameters of M5, P and t. Actually, MTI’s engineers have already made a strict high temperature pre-heating test (rate: 5℃/min) and fine-tuned on these three parameters according to each furnace’...
Page 21: Manual - Tune
GSL-1600X Series  You will see the SV screen flashes with “AT”, which indicates that the controller has entered the “auto-tune state”. Then, system begins to oscillate 2-3 times and the controller automatically analyzes the furnace’s heating behavior and yields the optimal parameters of M5, P and t.
Page 22: Equipment Maintenance & Troubleshooting
Do not open the furnace when it is being heated above 300 to prevent its insulation materials from cracking.  MTI furnaces are only suitable for using with air or inert gas environments. Other flammable or toxic gases, such as H , Cl and SO , will cause damage to the heating elements.
Page 23: Ceramic Tube Replacement
GSL-1600X Series CERAMIC TUBE REPLACEMENT 1) Remove the tube from the furnace after disassembling the vacuum sealing flanges from the tube (refer to Fig. 20). 2) Carefully insert a new ceramic tube into furnace while keeping the tube straight to avoid breaking heating elements inside the furnace.
Page 24: Heating Elements Replacement
GSL-1600X Series HEATING ELEMENTS REPLACEMENT Remove the 4 screws on top of furnace, and then open the cover as shown in Fig. 1 Take off the screws on the clips for heating elements as shown in Fig. 2 Disassemble the aluminum plates connecting the heating elements as shown in Fig. 3 Unfasten the screws on the metal clips used for fixing the ceramic blocks as shown in Fig.
Page 25: Troubleshooting For Typical Problems
SV, you may need to increase OPL value a little. thermocouple, which is not program (SV) sensitive at temperature below 300 TROUBLESHOOTING RESOURCES  Visit MTI web site link: WWW.MTIXTL.COM for additional information about the instrument through Help and Support  Contact us by Tel: 510-525-3070 or email: info@mtixtl.com...

This manual is also suitable for:

Gsl-1600x-80 Gsl-1600x-100