
Manual 2100-764
Page
2 of 8
CONTENTS
Description ............................................................3
QCRV-4 .................................................................3
Blade Adjustment for Desired Ventilation Air .............4
CRV Board Sequence of Operation ............................5
Adding Optional CO
2
Control Sensor .........................6
Figures
Figure 1 Adjusting OCC Potentiometer on CRV
Control Board. ......................................3
Figure 2 CRV Installation and Adjustment ............4
Figure 3 CRV Control Board ................................5
Figure 4 CRV Wiring Diagram ..............................7
Figure 5 8403-096 CO
2
Sensor Set Up ................8
Table
Table 1 QCRV-4 Ventilation Mode .......................5