Rev. 6.7 January 2023
TABLE OF CONTENTS
1. SYSTEM FUCTION/OPERATING TIPS ...................................................................................................................... 3
2. INSTALLATION ............................................................................................................................................................. 4
Installation Supplies, Standard Issue Items ........................................................................................... 4
Installer's Responsibilities ........................................................................................................................ 4
Installation System Options ..................................................................................................................... 5
Ducting to The Outside ............................................................................................................................. 7
Mounting & Noise Control ....................................................................................................................... 8
Ductwork ................................................................................................................................................... 9
Drain Connections .................................................................................................................................. 10
Furnace Interlock .................................................................................................................................... 11
Balancing Air Flows ................................................................................................................................ 12
3. CONTROL OPTIONS & CONTROL WIRING ........................................................................................................... 14
ES Series Controls (12 VDC) ................................................................................................................. 14
NAV-460 20-40-60 Minute Timer .......................................................................................................... 16
Windsor Series Controls & Other 24 V Control Options ................................................................... 16
Status LEDs & Mode of Operation ....................................................................................................... 19
4. START-UP ..................................................................................................................................................................... 20
5. MAINTENANCE .......................................................................................................................................................... 20
6. ANNUAL SERVICING: ............................................................................................................................................... 20
7. TROUBLE SHOOTING ............................................................................................................................................... 21
8. ELECTRICAL SCHEMATICS .................................................................................................................................... 22
9. WARRANTIES .............................................................................................................................................................. 24
10. NOTES/SERVICE RECORD ....................................................................................................................................... 25
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