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Computer Weld GTFM IV, Operation & Installation Manual

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10.5  240 VAC In-Line GTFM IV

™

 System P/N: A0A0037

 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

ITEM 

QTY 

PART NO 

DESCRIPTION 

1 

1 

A3A0179 

GTFM4 Enclosure Assembly 

2 

1 

X3T5047 

240VAC Power Supply 

3 

1 

A3E0104 

GTFM4 Mounting Bar 

4 

2 

 

#10-32 x 1/2" Lg. Socket Flat Hd. Screw 

5 2 X6F5093 

Adaptor 

Fitting 

6 2 X6F5094 

Barb 

Fitting 

7 2 X6F5095 

"B" 

Size 

Nut 

 

 
 
 
 
 
 

17

 

Summary of Contents for GTFM IV

Page 1: ...ston Rd Houston TX 77086 Phone 713 462 2118 Fax 713 462 2503 Email cwt cweldtech com Computer Weld Technology Inc GTFM IV Gas Turbine Flow Monitor Operation Installation Manual Manual Part Number A8M5010 Revised June 26 2008 ...

Page 2: ......

Page 3: ...TS 7 4 1 DESCRIPTION 7 4 2 SETUP 7 5 0 GAS FLOW SURGE P MEASUREMENT 8 5 1 DESCRIPTION 8 6 0 GAS FLOW USAGE U MEASUREMENT 9 6 1 DESCRIPTION 9 6 2 SETUP 9 7 0 GAS CYLINDER LOW VOLUME MEASUREMENT 10 7 1 DESCRIPTION 10 7 2 SETUP 10 8 0 GTFM CONNECTOR PIN ASSIGNMENT 11 8 1 AUX CONNECTOR 11 8 2 RELAY CONNECTOR 11 9 0 CHANGING THE BATTERY 12 10 0 MODEL SPECIFICATIONS 13 10 1 120 VAC PORTABLE GTFM IV SYST...

Page 4: ...10 6 GTFM IV RELAY CABLE P N A3W0259 18 10 7 GTFM IV AUX CABLE P N A3W0260 19 10 8 GTFM IV ENCLOSURE ASSEMBLY P N A3W0179 20 10 9 GTFM IV MOUNTING DIMENSIONS 22 ...

Page 5: ... in line version is designed to be permanently installed in a welding fixture to continuously monitor the gas flow rate When used in this manner the GTFM can provide sure flow gas testing by setting upper and lower control limits for the user defined gas flow rates An internal fault relay can be used to warn or interrupt the welding process if an out of limits condition is detected 1 3 Features So...

Page 6: ... LPM Power Requirement 10 28 vdc 100 ma Operating Temperature 20 140 F 7 60 C Battery Charger 120 vac 60 hz 300 ma 220 VAC 50 hz 300 ma Battery Life Approximately 2 hours with full charge English Metric units of measurement available Note Specifications subject to change without notification 1 6 Models The following models are covered in this document Part No Description A0A0032 120 VAC Portable G...

Page 7: ...T INSTALL THE SENSOR ON THE INLET SIDE OF THE GAS SOLENOID If the sensor is installed on the inlet pressure side of the gas solenoid the maximum operating pressure 50 psi of the transducer may be exceeded WARNING Do not over tighten fittings as it may twist the sensor out of position 2 3 Cable Hookup The GTFM provides an analog voltage which will represent gas flow This analog voltage can be monit...

Page 8: ...culate the volume of gas used based on the measure flow rate If the user programs the initial volume in a cylinder and the minimum volume for safe operation the GTFM will indicate when the estimate minimum volume has been reached The GTFM will flash a G on the display when the estimated cylinder volume has decreased below the programmed minimum Setting the starting volume V to 0 disables the funct...

Page 9: ...rameter will appear on the display The letter displayed on the left most part of the display indicates the selected parameter To select the next parameter press the toggle switch to the up SET position To change any displayed value press the MODE switch to the down PGM position Each pressing of the switch will increment the value by 1 To auto increment the value hold the MODE switch in the down PG...

Page 10: ...f a MODE switch function is not activated within 20 seconds the GTFM will automatically return to the normal display mode 3 4 Battery Specifications The portable GTFM is supplied with an internal rechargeable battery The battery will operate the GTFM continuously for approximately 2 hours when fully charged The supplied plug in the wall transformer will recharge the battery in approximately 8 10 h...

Page 11: ...ter this time period has expired The T parameter is used to specify the amount of time that the gas flow rate must be continuously above or below the control limits before setting a gas fault condition 4 2 Setup To set the lower limit select the L parameter by pressing the MODE switch to the up SET position until the L parameter is displayed While viewing the L parameter press the MODE switch to t...

Page 12: ...g cycle The maximum value is the result of a gas surge which occurs when the gas solenoid is activated The MODE switch on the front panel is used to display the maximum flow rate The maximum value is displayed by pressing the MODE switch to the up position consecutively until the P parameter is displayed The maximum value is reset during power up and when the GTFM first detects gas flow 8 ...

Page 13: ...WHEN GTFM IS EMPLOYED TO MEASURE METRIC VOLUME THE DISPLAYED USAGE NUMBER MUST BE MULTIPLIED BY TEN 10 TO OBTAIN ACCURATE READING 6 2 Setup The accumulated usage value is displayed by consecutively pressing the MODE switch to the up SET position consecutively until the U parameter is displayed The value can be reset to zero by pressing the MODE key down to the PGM position NOTE THE GTFM PROVIDES A...

Page 14: ...original volume is zero To disable this function set the V parameter to zero 7 2 Setup To set the starting volume select the V parameter by consecutively pressing the MODE switch to the up SET position until the V parameter is displayed While viewing the V parameter press the MODE switch to the down PGM position to increment to the desired value To set the minimum limit select the M parameter by p...

Page 15: ...rate output 4 Common power input 5 Common power input Plug LEMO Manufacture P N FGG 1B 305 CLAD52Z CWT P N X3P5628 8 2 RELAY Connector The following is the pin assignment for the RELAY connector Pin No Function 1 Relay common 2 N C Will be open when gas flow is within programmed limits 3 N O Will be closed when gas flow is within programmed limits Plug LEMO Manufacture P N FGG 1B 303 CLAD52Z CWT P...

Page 16: ...inlet outlet holes are Carefully lift the cover off Unplug the battery from JP4 Install the new battery pack and plug the battery onto JP4 Make sure that the Red wire is toward the RED marking on the P C board and the Black Wire is toward the BLK marking on the P C board Reinstall the cover and the eight 8 mounting screws CWT Replacement Part P N X3B5008 4 8V Rechargeable Battery 12 ...

Page 17: ...ATIONS 10 1 120 VAC Portable GTFM IV System P N A0A0032 ITEM QTY PART NO DESCRIPTION 1 1 A3A0179 GTFM4 Enclosure Assembly 2 1 X3B5008 Rechargeable Battery 3 1 A2M0170 Hose Cone Assembly 4 1 X3T5036 120VAC Power Supply 13 ...

Page 18: ...40 VAC Portable GTFM IV System P N A0A0033 ITEM QTY PART NO DESCRIPTION 1 1 A3A0179 GTFM4 Enclosure Assembly 2 1 X3B5008 Rechargeable Battery 3 1 A2M0170 Hose Cone Assembly 4 1 X3T5047 240VAC Power Supply 14 ...

Page 19: ...TEM QTY PART NO DESCRIPTION 1 1 A3A0179 GTFM4 Enclosure Assembly 2 1 A3W0288 GTFM4 Aux Cable 3 1 A3E0104 GTFM4 Mounting Bar 4 2 10 32 x 1 2 Lg Socket Flat Hd Screw 5 2 X6F5093 Adaptor Fitting 6 2 X6F5094 Barb Fitting 7 2 X6F5095 B Size Nut 15 ...

Page 20: ... ITEM QTY PART NO DESCRIPTION 1 1 A3A0179 GTFM4 Enclosure Assembly 2 1 X3T5036 120VAC Power Supply 3 1 A3E0104 GTFM4 Mounting Bar 4 2 10 32 x 1 2 Lg Socket Flat Hd Screw 5 2 X6F5093 Adaptor Fitting 6 2 X6F5094 Barb Fitting 7 2 X6F5095 B Size Nut 16 ...

Page 21: ... ITEM QTY PART NO DESCRIPTION 1 1 A3A0179 GTFM4 Enclosure Assembly 2 1 X3T5047 240VAC Power Supply 3 1 A3E0104 GTFM4 Mounting Bar 4 2 10 32 x 1 2 Lg Socket Flat Hd Screw 5 2 X6F5093 Adaptor Fitting 6 2 X6F5094 Barb Fitting 7 2 X6F5095 B Size Nut 17 ...

Page 22: ...3W0259 ITEM QTY PART NO DESCRIPTION 1 1 X3P5627 3 Circuit Plug 2 1 X3P5629 Yellow Strain Relief 3 1 X3W5025 3 Conductor Shielded Cable WIRE COLOR FROM DESCRIPTION Black Pin 1 Relay Common Clear Pin 2 Relay N C Red Pin 3 Relay N O 18 ...

Page 23: ...CRIPTION 1 1 X3P5628 5 Circuit Plug 2 1 X3P5629 Yellow Strain Relief 3 1 X3W5037 4 Conductor Shielded Cable WIRE COLOR FROM DESCRIPTION Red Pin 1 Power 10 28 vdc White Pin 2 VOUT 0 2 55 vdc Green Pin 3 VOUT Black Pin 4 Common Shield Pin 5 Chassis Ground 19 ...

Page 24: ...10 8 GTFM IV Enclosure Assembly P N A3W0179 20 ...

Page 25: ...ch Assembly 7 1 A3E0100 GTFM4 Enclosure 8 1 A3E0101 GTFM4 Cover 9 1 A3E0103 GTFM4 Overlay 10 1 A5A0094 GTFM4 Dual P C B Assembly 11 1 A5I0010 GTFM4 Eprom 12 1 X3Q5002 Flow Cartridge 13 2 X3S5093 Dress Nut 14 1 X4S0100 O Ring 15 1 X4S5001 O Ring 16 2 X6S5053 Standoff 17 4 4 40 X 1 4 Lg Binder Hd Screw 18 4 4 Internal Lock Washer 19 8 4 40 X 3 16 Lg Binder Hd Screw 20 4 6 32 X 1 2 Lg Socket Flat Hd ...

Page 26: ...10 9 GTFM IV Mounting Dimensions Rear View Side View Installation with Threaded Inserts Rear View Side View Installation with Mounting Bar 22 ...

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