Bard 920-0074 qwserv Ventilation Hood User Manual


 
Manual 2100-533A
Page 2 of 12
CONTENTS
Electrical Specifications .......................................... 3
General Description of ERV ................................... 3
Control Requirements ............................................ 3
Recommended Control Sequences ....................... 4
Control Wiring ........................................................ 4
Ventilation Airflow ................................................... 4
Performance & Application Data ............................ 5
Energy Recovery Ventilator Maintenance ........ 6 & 7
Maintenance Procedures ....................................... 7
Figures
Figure 1 Blower Speed Adjustment ....................... 4
Figure 2 Belt Replacement .................................... 8
Figure 3 Hub Assembly with Ball Bearings ............ 9
Figure 4 Disconnect & Tape Off Wiring ................ 11
Figure 5 Field Set CO
2
Sensor Jumpers.............. 12
Wiring Diagram
.............................................................. 10
Tables
Table 1 Ventilation Air (CFM)................................ 4
Table 2 Summer Cooling Performance ................5
Table 3 Winter Heating Performance ................... 6
COPYRIGHT DECEMBER 2009
BARD MANUFACTURING COMPANY, INC.
BRYAN, OHIO USA 43506