Specifications

Pro-Series
Table of Contents
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2001-2004 ERV Systems
®
. All rights reserved.
The information in this operations guide is furnished for informational use only, is subject to change without notice, and
should not be construed as a commitment by ERV Systems. ERV Systems assumes no responsibility for any errors that may
appear in this operations guide.
No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means,
electronic, mechanical, recording, or otherwise, without the prior written permission of ERV Systems.
PowerTwist Plus is a registered trademark of Fenner Drives. ERV Systems and the ERV System’s logo are registered trademarks.
Pro-Series Outdoor Air Ventilator .................................................................................... 1
Model Description .............................................................................................................. 1
Definitions .......................................................................................................................... 2
Receiving & Inspection ...................................................................................................... 3
Storage ................................................................................................................................. 3
Lifting Technique ................................................................................................................ 3
Overall Dimensions ........................................................................................................... 3
Installation .......................................................................................................................... 4
Curb Mounting .................................................................................................................. 5
Unit Configuration............................................................................................................. 5
Supply & Exhaust Air Flow Dampers ............................................................................. 6
Controls............................................................................................................................... 6
Basic Package ............................................................................................................... 6
Optional Electric Preheat Frost Control .................................................................. 6
Optional Stop/Jog Economizer And Wheel Frost Protection ............................ 7
Optional Rotation Detector Sensor.......................................................................... 7
Thermostat Frost Control......................................................................................... 7
3Ø Circuit Diagram, Pro-6 ................................................................................................. 8
3Ø Circuit Diagram, Pro-10 ............................................................................................... 9
3Ø Circuit Diagram, Pro-20 through Pro-90 ................................................................. 10
1Ø Circuit Diagram, Pro-6 ............................................................................................... 11
1Ø Circuit Diagram, Pro-10 through Pro-50 ................................................................. 12
3Ø Electric Preheat Frost Control Circuit Diagram ...................................................... 13
1Ø Electric Preheat Frost Control Circuit Diagram ...................................................... 13
Electric Preheat Layout ..................................................................................................... 14
Wheel Cassette .................................................................................................................. 15
Service ................................................................................................................................16
Maintenance....................................................................................................................... 16
Power Twist
®
Plus™V-Belts ............................................................................................ 17
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