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Honeywell AT175A - page 1
INST ALLA TION INSTRUCTIONS 69-0251- 3 A T120A, A T140A, A T150A, A T175A Universal T ransformers APPLICATION These transfo rmers are for use in 24 V ac nominal contro l circuits. They are typically used in heating/cooling co ntrol systems but can be used in any application that d oes not exceed th e load rat ings. They me et Nationa l Electrical C ...
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Honeywell AT175A - page 2
A T120A, A T140A, A T150A, A T175A UN IVERSAL T RANSFOR MERS 69-0251-3 2 Mounting The transfor mer can be mo unted in one of three ways: — foot mount ing. — plate mounting . — mounting th rough outlet box knockout hole. Foot Mounting 1. Mount th e transfo rmer usin g screws (not supp lied) through t he four 3/16 in. x 3/8 in. holes in the mou ...
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Honeywell AT175A - page 3
A T120A, AT140A, A T150A, A T 175A UNIVERSA L T RANSFORM ERS 3 69-0251-3 Fig. 3. When screw is tig htened, clamp ho lds plate on tr ansforme r . MOUNTING PLATE AT L AMINATIONS 1. Remove th e large rec tangu lar knockou t in the mounting plate as sho wn in Fig. 4. 2. Hold the transf ormer so the c lamp on the end bell faces you. 3. With the keyhole ...
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Honeywell AT175A - page 4
A T120A, A T140A, A T150A, A T175A UN IVERSAL T RANSFOR MERS Automation and Cont rol Solution s Honeywell Internatio nal Inc. Honeywell Limited-H oneywell Limitée 1985 Douglas Dr ive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough , Ontario M1V 4 Z9 customer.hone ywell.com ® U.S. Regi stered T rademark © 2005 Hone ywell Interna tional ...
