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IOM‐49 

2 of 12 

Mar 99 R4 

 
 

 

W‐TRAC 

 
 
If any errors or omissions are noted please contact the nearest Engineered Air Technical Service 
Department. 
 
To ensure warranty is honored, only qualified personnel should be employed for service and 
troubleshooting. If further information is required please contact the nearest Engineered Air office.  
 
There are two sets of electrical drawing and unit function sheets provided with the appliance. One set is in 
an envelope 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 
attached to the control panel door and should never be removed. 
 
Please report any omissions to the national service manager. 
 

Warning: 

 

Improper installation, adjustment, alteration, service or maintenance can cause 
property damage, injury or death. Read the installation, operating and 
maintenance instructions thoroughly before installing or servicing this equipment. 

 

Warning:  This unit is connected to high voltages.  Electrical shock or death could occur if 

instructions are not followed.  This equipment contains moving parts that can start 
unexpectedly.  Injury or death could occur if instructions are not followed.  All 
work should be performed by a qualified technician.  Always disconnect and lock 
out power before servicing.  DO NOT bypass any interlock or safety switches under 
any circumstances. 

 

 

 

 

Содержание EngA W-TRAC

Страница 1: ...ORY 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 TWINNEY DRIVE NE...

Страница 2: ...a safe place The other set is attached to the control panel door and should never be removed Please report any omissions to the national service manager Warning Improper installation adjustment altera...

Страница 3: ...A W TRAC IOM 49 3 of 12 Mar 99 R4...

Страница 4: ...7 TEMPERATURE CONTROL 7 BASE SETPOINT 8 SETPOINT RESET 8 FROST CONTROL 8 EXHAUST AIR RH SENSOR 8 RETURN AIR RH SENSOR 9 BDRH PREDICTED RETURN AIR RELATIVE HUMIDITY 9 WIRING 9 SENSOR TABLE 12 SERVICE N...

Страница 5: ...AC is designed to control only Engineered Air equipment Various upgrades and improvements have been made over time Always include any suffix letters and numbers for troubleshooting and or replacement...

Страница 6: ...d style DC drive motors P2 Wiper output potentiometer legacy for old style DC drive motors P3 High output potentiometer legacy for old style DC drive motors DIP SWITCHES W TRAC configuration options a...

Страница 7: ...y experienced and qualified personnel POT Description DIS CAL Discharge temperature sensor calibration EX CAL Exhaust temperature sensor calibration AMB CAL Ambient outdoor temperature sensor calibrat...

Страница 8: ...put voltage to terminals S and C1 with a setpoint fixed at 66 F Refer to the equipment function page for the design reset range Input Voltage 0 0 2 0 4 0 6 0 8 0 10 0 Discharge Setpoint F C No Resisto...

Страница 9: ...values are expected to be reasonably constant In these cases the W TRAC operates by sensible temperature only When enabled the BDRH pot Building Design Relative Humidity is set according to the expec...

Страница 10: ...ers Refer to the equipment wiring diagram for connection details The following setup parameters are typical Always refer to the equipment function sheet for any changes To ensure proper setup operatio...

Страница 11: ...the temperature at the sensing element Compare these readings to the sensor table values If the resistance is out by more than 16 ohms replace the sensor Measuring a sensor temperature between 60 70...

Страница 12: ...RH SENSOR TABLE Sensor Resistance Chart for TE6000EA3 Table 2 C F Resistance C F Resistance C F Resistance 40 40 602 18 3 65 983 48 9 120 1234 34 4 30 633 20 68 996 54 4 130 1269 28 9 20 665 20 6 69 1...

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