Engineered air EngA M-TRAC4 Скачать руководство пользователя страница 1

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IOM-33

Dec 16 R4

USER OPERATION

MANUAL

FOR

M-TRAC4

DIRECT 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) 287-2590

Fax: 888-364-2727

32050 W. 83

STREET

DESOTO, KANSAS

66018

Ph: (913) 583-3181

Fax: (913) 583-1406

1175 TWINNEY DRIVE

NEWMARKET, ONTARIO

L3Y 5V7

Ph: (905) 898-1114

Fax: (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 EngA M-TRAC4

Страница 1: ...CANADIAN EASTERN FACTORY 1401 HASTINGS CRES SE CALGARY ALBERTA T2G 4C8 Ph 403 287 2590 Fax 888 364 2727 32050 W 83 rd STREET DESOTO KANSAS 66018 Ph 913 583 3181 Fax 913 583 1406 1175 TWINNEY DRIVE NEW...

Страница 2: ...nvelope which also contains the Operation Installation and Maintenance manual s This package is for copying then should either be returned to the appliance or stored in a safe place The other set is a...

Страница 3: ...A M TRAC4 IOM 33 3 of 18 Dec 16 R4...

Страница 4: ...R SETPOINT 10 DISCHARGE AIR SENSOR 10 LOW LIMIT 10 DAMPER CONTROL 11 BLOWER CONTROL 11 BURNER CONTROL 11 PROFILE PLATE VELOCITY SENSING SYSTEM 12 TEMPERATURE RESET 12 MAKE BREAK THERMOSTAT 12 2 10 Vdc...

Страница 5: ...ion and Maintenance manual The M TRAC4 is designed to control only Engineered Air equipment Note It is necessary that all of the remote wiring and controls be complete and operational before starting...

Страница 6: ...put HS Heat switch input LMT Input from safety limit high limit VN Neutral for the 120 Vac Main gas valve feedback VFB 120 Hot for the 120 Vac Main gas valve feedback FR Flame relay control CFR Flame...

Страница 7: ...erature Reset 1 VAV application INDICATION AND DIAGNOSTIC LIGHTS There are 5 status lights on the M TRAC4 labeled A to E They operate in 4 patterns an irregular flash __ __ fast flash slow flash or co...

Страница 8: ...ETER TEST POINTS The M TRAC4 has readout test points for discharge air temperature discharge set point and profile plate velocity status Temperature readings are indicated by Vdc referenced to ground...

Страница 9: ...d below safe operating conditions there are delays built into the M TRAC4 that will shut off the unit within 45 seconds TABLE 6 Test Point Reading at high fire Status Result Below 0 8 volts Very low o...

Страница 10: ...al fans In most applications the discharge air sensor s is located in the supply blower outlet The discharge air sensor also serves as a low limit or freeze protection sensor The M TRAC4 automatically...

Страница 11: ...For the comfort priority program minimum airflow is defined as 60 of required airflow Airflow priority is defined as 40 of required airflow TABLE 7 Priority Level Status Comfort Air Flow Heat switch o...

Страница 12: ...ide contact or space mounted single stage thermostat with the second upper level adjustable from 75 24 C to 160 F 71 C by the SP LMT POT 2 10 Vdc SIGNAL BMS The set point can be adjusted linearly upwa...

Страница 13: ...his mode terminal AL will close on proof of supply air flow LOW FIRE The M TRAC4 low fire is set at the modulating valve With the air flow at maximum and the output to the Maxitrol modulating valve at...

Страница 14: ...h 1 on or return the room thermostat to its normal position Note If the adjustments have no effect on the discharge temperature the set point may be under the authority of the maximum set point limiti...

Страница 15: ...the number calculated in the above step 6 Adjust SP LMT until the voltage reading is the same as was recorded in step 5 SERVICE SERVICE MODE Placing the M TRAC4 into service mode allows for direct con...

Страница 16: ...sor located in the discharge duct that sensor must be mounted within inch of the Engineered Air sensor Note BMS Building Management System discharge air temperatures should never be used to reset the...

Страница 17: ...t until the voltage stops falling Do not set past this point This adjustment ensures that the internal temperature control reset curve starts just as the VFD begins to ramp up The internal reset signa...

Страница 18: ...n High air flow Sensed air flow is over 120 D Fast Ignition failure E Irregular Open discharge air sensor Sensor resistance should not exceed 1940 or 3450 for dual sensors E Fast Low limit Discharge t...

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