Trane BAYBARO300 Series - Installation - Precedent

ACC-SVN156E-EN
11
Installation — Precedent™
1. Assemble block-off panel. Attach 1, 2 and 3 using six
screws.
Figure 20. Block-off panels
1
2
3
2. Cut one piece of gasket (item 11) to a length of
4.3 inches. Attach to the bottom of the side block-off
panel (item 1) leaving a 0.5 inch gap from surface A.
Figure 21. Attach gasket to side block-off panel
2
1
11
a. Standard and Low Leak Economizer: If
comparative enthalpy is installed, attach the return
air humidity (RAH) and return air temperature (RAT)
sensors to intermediate block-off panel (item 2) and
insert bushing into hole provided on block-off panel.
Connect RAH wire harness onto RAH sensor and
route wires through bushing.
Note: See the Comparative Enthalpy Installation
Instructions (ACC-SVN235*-EN) for further
details.
Figure 22. Attach RAH & RAT sensors to block-off
panel
RAT Sensor
RAH Sensor
Bushing
3. Attach one piece of gasket (item 11) to the base:
a. Standard Economizer: Align gasket with the
return air damper (RAD) bracket.
Figure 23. Attach gasket to base (standard
economizer)
RAD Bracket
b. Low Leak Economizers: Align gasket with the
return air damper flange as shown in Figure 24, p.
12.
Installation