Bard 920-0074 qwserv manual Contents

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 CO2 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

Manual	2100-533A
Page	2 of 12