User Guide

6 T-3100/T-3200/T-3300 Technical Bulletin
Installation
T-3100, T-3200 and T-3300
series thermostats are supplied
with barbed fittings for the supply
and output air connections. “FR”
type polyethylene tubing is to be
used on the barbed fittings.
Linkage Assembly with Ball Joint
for Type “W” Connection to
Damper Shaft
Linkage Assembly with:
3/8 in. Diameter Crankarm
(D-3000-1071)
7/16 in. Diameter Crankarm
(D-3000-1072)
1/2 in. Diameter Crankarm
(D-3000-1073)
NOTE: Cut tubing off square for
a good fit on the barbed fitting.
If “HP” or copper tubing is used,
the barbed fitting(s) must be
removed and replaced with a
compression fitting, and in-line
restrictor when necessary.
NOTE: For applications which
require two (2) Ball Joints, order
Ball Joint Code No. D-251-6008
NOTE: “HP” tubing installation is
the same as the drawing below
except brass ferrule is replaced
with a thermoplastic ferrule
supplied with the R-3710-1007
restrictor.
and Connection Head Code
No. D-3000-1077.
Copper Tubing Installation
(Use R-3710-1007 In-Line Restrictor)