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TABLE OF CONTENT
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 INSTALLING THE EXTERIOR HOODS .......................................................................................................9
2.5 CONNECTING THE DUCTS TO THE UNIT ................................................................................................. 9
2.5.1 DUCTS CONNECTION ................................................................................................................................. 10
3. CONNECTIONS .................................................................................................................11
3.1 ELECTRICAL CONNECTION TO OPTIONAL MAIN WALL CONTROL .................................................... 11
3.1.1 ELECTRICAL CONNECTION TO DEHUMIDISTAT OR AUTOMATIC OPTIONAL MAIN WALL CONTROL ................................ 11
3.1.2 ELECTRICAL CONNECTION TO ADVANCED OPTIONAL MAIN WALL CONTROL .......................................................... 11
3.2 ELECTRICAL CONNECTION TO OPTIONAL AUXILIARY WALL CONTROL ...........................................12
3.2.1 ELECTRICAL CONNECTION TO 20-40-60 OPTIONAL AUXILIARY WALL CONTROL ...................................................12
3.2.2 ELECTRICAL CONNECTION TO DRY CONTACT OPTIONAL AUXILIARY WALL CONTROL (E.G. CRANK TIMER) .................12
3.3 CONNECTION TO THE CENTRAL FORCED-AIR SYSTEM ..................................................................... 13
3.3.1 UNIT OPERATION USING A DRY CONTACT CONNECTION...................................................................................13
3.3.2 UNIT INTERCONNECTION WITH CENTRAL FORCED-AIR SYSTEM (R/C/G/GF) .......................................................13
3.3.3 SYNCHRONIZATION WITH CENTRAL FORCED-AIR SYSTEM FUNCTION ...................................................................13
4. WIRING DIAGRAM ............................................................................................................14
5. NAVIGATION ON LCD SCREEN ....................................................................................... 15
5.1 LCD SCREEN ............................................................................................................................................16
5.2 UNIT FIRST BOOT .....................................................................................................................................16
5.3 SETTINGS MODIFICATION .......................................................................................................................16
5.3.1 PROCEDURE TO MODIFY MIN CFM SETTING ....................................................................................................16
5.3.2 PROCEDURE TO MODIFY MAX CFM SETTING ...................................................................................................16
5.3.3 PROCEDURE TO MODIFY OPTIONS SETTING...................................................................................................16
5.3.4 PROCEDURE TO MODIFY INDEPENDENT AIRFLOWS SETTING ..............................................................................16
5.4 FACTORY SETTINGS RESET ................................................................................................................... 17
6. USING THIS UNIT .............................................................................................................. 17
6.1 YOUR VENTILATION SYSTEM ..................................................................................................................17
6.2 INTEGRATED CONTROL ..........................................................................................................................17
6.3 AHU MODE DISPLAY ................................................................................................................................17
7. SERVICE PARTS ................................................................................................................ 18
8. INSTALLER’S TROUBLESHOOTING ...............................................................................20
8.1 ELECTRONIC PROTECTION TO PREVENT ABNORMAL HIGH STATIC PRESSURE ............................22
9. MAINTENANCE .................................................................................................................23
9.1 QUARTERLY ..............................................................................................................................................23
9.2 ANNUAL (AT FALL) ....................................................................................................................................24
10. USER’S TROUBLESHOOTING .......................................................................................24
11. WARRANTY ......................................................................................................................25
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