2
3
Table of Contents
Model specifications
. . . . . . . . . . . . . . 3, 4, 5, 6
Option Controls . . . . . . . . . . . . . . . . . . . . 7
Selecting a Location . . . . . . . . . . . . . . . . . .11
Weather hood installation. . . . . . . . . . . . . . . .13
Dedicated Duct system . . . . . . . . . . . . . . . .14
Indirect Duct system . . . . . . . . . . . . . . . . . .15
Direct Duct system. . . . . . . . . . . . . . . . . . .16
Fresh Air supply ducting. . . . . . . . . . . . . . . .17
Stale Air return system. . . . . . . . . . . . . . . . .18
Air Flow Balancing . . . . . . . . . . . . . . . . . .18
Trouble shooting guide . . . . . . . . . . . . . . . .21
Wiring Diagrams. . . . . . . . . . . . . . . . . .28, 29
Replacement parts list . . . . . . . . . . . . . . . . .30
NOTE: Anytime the HRV is powered on allow 20
seconds for the main control to reset prior to making
any operational changes.