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IOM-24

March 1999 R1

INSTALLATION, OPERATION

AND MAINTENANCE MANUAL

FOR

G-TRAC

Model 1.1

INDIRECT FIRED HEATING CONTROLLER

UNIT MODEL NO.

_________________

UNIT SERIAL NO.

_________________

SERVICED BY: ___________________

TEL.

NO:

________________________

CANADIAN

HEAD OFFICE

AND FACTORY

USA

HEAD OFFICE

AND FACTORY

CANADIAN

EASTERN FACTORY

1401 HASTINGS CRES. SE

CALGARY, ALBERTA

T2G 4C8

Ph: (403) 287-4774

Fx: 888-364-2727

32050 W. 83

STREET

DESOTO, KANSAS

66018

Ph: (913) 583-3181

Fx: (913) 583-1406

1175 TWINNEY DRIVE

NEWMARKET, ONTARIO

L3Y 5V7

Ph: (905) 898-1114

Fx: (905) 898-7244

SALES OFFICES ACROSS CANADA AND USA

Retain instructions with unit and maintain in a legible condition.

Please give model number and serial number when contacting

factory for information and/or parts.

www.engineeredair.com

Содержание G-TRAC 1.1

Страница 1: ...D OFFICE AND FACTORY CANADIAN EASTERN FACTORY 1401 HASTINGS CRES SE CALGARY ALBERTA T2G 4C8 Ph 403 287 4774 Fx 888 364 2727 32050 W 83rd STREET DESOTO KANSAS 66018 Ph 913 583 3181 Fx 913 583 1406 1175...

Страница 2: ...ns and Resistance Values 3 Sensor Resistance Chart for TE 6100 960 and TE 6000 960 4 Temperature Can Be Controlled By 4 VI RESET CONTROL 4 Example 1 5 Example 2 5 Example 3 5 Multiple Room Sensors 6 R...

Страница 3: ...Firing 12 Low Heat Burner Firing 12 Unit Short of Temperature Rise 12 Over Delivering Air 13 Inlet Gas Pressure Low or Burner Rumbles 13 Regulator Manifold Pressure Low or Slow to Respond 13 Gas Valve...

Страница 4: ...R1 ESTIMATED POT SETTINGS Use for situations where design values not available 16 Combustion Set Up 17 High Fire Combustion Set Up 17 Low Fire Combustion Set Up 17 Mid Fire Range Combustion Set Up 17...

Страница 5: ...who is familiar with the control Tampering may misalign the control operation resulting in poor combustion and or poor temperature control or calibration III SIMPLIFIED OPERATION 24 V power to termina...

Страница 6: ...later If the combustion blower is running it will allow a heat call to start immediately without going through pre purge IV TEMPERATURE CONTROL G TRAC as a Slave to the CTRAC In this application ther...

Страница 7: ...0 85 F and often remote mounted If the TE 6100 960 is used as a set point S to SP must not be jumpered and the TE 6100 must be wired TE 6100 Wires CTRAC2 1 Terminals Violet not used sensor Blue U Oran...

Страница 8: ...ature Can Be Controlled By DISCHARGE AIR CONTROL Consists of TE6000 960 duct sensor and set point often TE 6000 960 wired as above or use the internal set point pot 4 with a jumper on S to SP DISCHARG...

Страница 9: ...point Ratio pot 2 Room Call Max Room Call Min 63 F 72 F Pos 4 18 81 F 45 F This will allow discharge temperature as high as 81 F If the room set point were turned up to 76 F we would reset discharge...

Страница 10: ...Q and U To force a G TRAC to low fire substitute a 1000 ohm resistor for the discharge sensor and adjust the set point pot to a point that just turns the heat call light on VIII G TRAC DISCHARGE TEMPE...

Страница 11: ...arge temperature It should be wired to terminals Q and U Adjust pot 1 until the heat light just shuts off This places the G TRAC in its dead band area Return the control to normal Assuming the control...

Страница 12: ...ls Z and X and measure the resistance on them Reconnect the wires Compare the reading with the TE 6000 resistance chart in this document Adjust the room reset set point dial to the same value as relat...

Страница 13: ...gh to drive the calculated set point below the controls setting It can also result in SA SA contacts cycling and damage the supply air motor or contactor If this is a problem 1 Disconnect all grounds...

Страница 14: ...4 20 MA BMS System Position 5 75 1 40 on 0 10 VDC BMS System P8 BURNER ON OFF CONTROL BAND This sets the points at which the burner cycles on and off There is no delay off Setting this control low in...

Страница 15: ...TROUBLE SHOOTING Supply Blower Not Starting G TRAC DIAGNOSTIC LIGHTS HEAT CALL PRE PURGE TIMER BURNER ENABLE COMBUS TION BLOWER OPERATING CONDITIONS OR PROBLEM DIAGNOSIS OFF OFF OFF OFF Check for 24 V...

Страница 16: ...ints resets and calibration OFF ON OFF RUNNING There has been a short heat call Check for intermittent wiring electrical noise intermittent sensors set points or rapidly changing BMS Signals Shielded...

Страница 17: ...cludes the main regulator and the line is not adequately sized an erratic inlet pressure will result and cause improper combustion and also burner pulsating problems Some SJ unit manifolds have RV app...

Страница 18: ...f in order for the heat exchanger to warm up Voltage to and would then go to O VDC again resulting in no call for heat and the cycle will then repeat Note that some DDC or BMS panels must have a posit...

Страница 19: ...pilot orifice and the depth of the pilot stub past the burner retention plate is very important see sketch below F A poor ground path can contribute to flame failure problems If this is suspected a g...

Страница 20: ...lows a maintain purge time of 12 minutes plus or minus 2 minutes ESTIMATED POT SETTINGS Use for situations where design values not available If the old G TRAC is available there was a sticker inside t...

Страница 21: ...inlet damper Low Fire Combustion Set Up Remove Q209 used in above step Attach G TRAC wiring from terminals RBW to gas valve Adjust discharge temperature pot or control to just bring heat light on Aft...

Страница 22: ...r not calling for heat Supply fan should come on within 34 sec Yes No Normal operation If heat light comes on within 2 min of fan starting fan may shut off while burner prepares for pre purge Pre purg...

Страница 23: ...IOM 24 Page i March 1999 R1...

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