User Manual

DWYER INSTRUMENTS, INC. Phone: [phone] www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, IN 46361, U.S.A. Fax: [phone] e-mail: [e-mail]
©Copyright 2009 Dwyer Instruments, Inc.
Printed in U.S.A. 10/09
FR# 443751-00
MAINTENANCE
Upon final installation of the Series 670 Hood Monitor, no routine maintenance is required. The Series
670 is not field serviceable and should be returned if repair is needed (field repair should not be
attempted and may void warranty). Be sure to include a brief description of the problem plus any rel-
evant application notes. Contact customer service to receive a return goods authorization number
before shipping.
AV-670:B-32 10/1/09 2:20 PM Page 16