User Guide

10 Room Devices–T-4000-A.9 Product/Technical Bulletin
Note: On groundplate, mount subplate with
(1) No. 10-24 x 1-1/2 in. screw with star
washer in Slot 6 and (1) No. 8 sheet metal
screw with star washer in Hole 17.
On wallbox, mount subplate with
(2) No. 10-24 x 1-1/2 in. screws with star
washers in Slot 6 and Hole 17. Refer to
page 12 for cover plate and Johnson Controls
replacement instrument mounting details.
Powers T-21 Series
Covers
Groundplate or Wallbox
Mortar Joint
Plug terminal connector leads into
O-rings of groundplate, wallbox, or
mortar joint pipehead.
Powers TH382 “D” Series (Cont.)
Make terminal connector
adaptation with adjustable
pipehead for groundplate or
wallbox installations.
Groundplate with
Modernized Air-fitting
Adapted
Subplate
(See note.)
Adapt Terminal Connector
leads to tubing on groundplate
with modernized air fitting
using 5/32 x 5/32 in. fittings.
Subplate
(See note.)
Note: On groundplate, mount subplate with
(2) No.6 x 1-1/2 in. sheet metal screws with star
washers in Slots 7 and 10. On wallbox or mortar
joint, mount subplate with (2) No. 4-40 x 1-5/8 in.
machine screws with star washers in Slots 7 and 10.
Refer to page 12 for the cover plate and Johnson
Controls replacement instrument mounting detail.