Dwyer 670 User Manual

Page 6

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5

Installation using Duct Connection

Standard Installation

When using the Duct Connection method the 1/4˝ connection tube acts as a flow restrictor (due to the high-

er pressure in the duct). Use a 6 ft tube for pressures below 0.4 in w.c. and a 12 ft tube for higher pressures

AV-670:B-32 10/1/09 2:20 PM Page 6

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