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TABLE OF CONTENTS
1. TECHNICAL DATA ...............................................................................................................4
1.1 AIR DISTRIBUTION (NORMAL OPERATION) .............................................................................................4
2. INSTALLATION ....................................................................................................................4
2.1 LOCATING AND MOUNTING THE UNIT .....................................................................................................4
2.2 INSTALLING THE DUCTWORK AND THE REGISTERS ............................................................................. 6
2.2.1 FULLY DUCTED SYSTEM (T-1) (THIS CONFIGURATION ALLOWS RECIRCULATION MODE TO OPERATE.) ............................6
2.2.2 EXHAUST DUCTED SYSTEM (T-2) (THIS CONFIGURATION ALLOWS RECIRCULATION MODE TO OPERATE.) .......................6
2.2.3 SIMPLIFIED INSTALLATION (T-4) (THIS CONFIGURATION DOES NOT ALLOW RECIRCULATION MODE TO OPERATE.) ..............7
2.3 CONNECTING THE DRAIN (HRV ONLY) .................................................................................................... 8
2.4 EXTERIOR HOODS INSTALLATION / LOCATION ......................................................................................9
2.5 CONNECTING THE DUCTS TO THE UNIT ...............................................................................................10
2.5.1 DUCTS CONNECTION ................................................................................................................................. 11
3. CONNECTIONS .................................................................................................................12
3.1 ELECTRICAL CONNECTION TO OPTIONAL MAIN WALL CONTROL ....................................................12
3.1.1 ELECTRICAL CONNECTION TO SPEED, DEHUMIDISTAT OR AUTOMATIC OPTIONAL MAIN WALL CONTROL ..................... 12
3.1.2 ELECTRICAL CONNECTION TO ADVANCED OPTIONAL MAIN WALL CONTROL .......................................................... 12
3.2 ELECTRICAL CONNECTION TO OPTIONAL AUXILIARY WALL CONTROL ...........................................13
3.2.1 ELECTRICAL CONNECTION TO 20-40-60 OPTIONAL AUXILIARY WALL CONTROL ................................................... 13
3.2.2 ELECTRICAL CONNECTION TO DRY CONTACT OPTIONAL AUXILIARY WALL CONTROL (E.G. CRANK TIMER) ................. 13
3.3 CONNECTION TO THE CENTRAL FORCED-AIR SYSTEM ..................................................................... 14
3.3.1 UNIT OPERATION USING A DRY CONTACT CONNECTION...................................................................................14
3.3.2 UNIT INTERCONNECTION WITH CENTRAL FORCED-AIR SYSTEM (R/C/G/GF) ....................................................... 14
3.3.3 SYNCHRONIZATION WITH CENTRAL FORCED-AIR SYSTEM FUNCTION ................................................................... 14
4. WIRING DIAGRAM ............................................................................................................15
5. NAVIGATION ON LCD SCREEN ....................................................................................... 16
5.1 LCD SCREEN ............................................................................................................................................ 17
5.2 UNIT FIRST BOOT ..................................................................................................................................... 17
5.3 SETTINGS MODIFICATION ....................................................................................................................... 17
5.3.1 PROCEDURE TO MODIFY MIN CFM SETTING ....................................................................................................17
5.3.2 PROCEDURE TO MODIFY MAX CFM SETTING ...................................................................................................17
5.3.3 PROCEDURE TO MODIFY OPTIONS SETTING................................................................................................... 17
5.3.4 PROCEDURE TO MODIFY INDEPENDENT AIRFLOWS SETTING .............................................................................. 17
5.4 FACTORY SETTINGS RESET ................................................................................................................... 18
6. USING THIS UNIT .............................................................................................................. 18
6.1 YOUR VENTILATION SYSTEM .................................................................................................................. 18
6.2 INTEGRATED CONTROL ..........................................................................................................................18
6.3 AHU MODE DISPLAY ................................................................................................................................ 18
7. SERVICE PARTS ................................................................................................................ 19
8. INSTALLER’S TROUBLESHOOTING ...............................................................................21
8.1 ELECTRONIC PROTECTION TO PREVENT ABNORMAL HIGH STATIC PRESSURE ............................23
9. MAINTENANCE .................................................................................................................24
9.1 QUARTERLY ..............................................................................................................................................24
9.2 ANNUAL (AT FALL) ....................................................................................................................................25
10. USER’S TROUBLESHOOTING .......................................................................................25
11. WARRANTY ......................................................................................................................26
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