Trane RTHD Installation Instructions Manual page 38

Installation
1. Install choke core support bracket (1) using 6 mm thread
rolling screws (13) so that is centered between the motor
terminals.
Figure 39. Choke core support bracket
2. Install 4-inch din rail (2) using 6 mm thread rolling screws
(13).
3. Locate the 1F-1F3 fuse (3) (refer to
Figure 38), and install on 4-inch din rail (2).
4. Install din rail end-stops (4) on din rail (2).
Figure 40. Din rail/1F1-1F3 fuse install
WARNING
Backup Wrench Required!
Failure to follow instructions below could result in
death or serious injury. Use backup wrench when
installing and removing wire or buss bars from motor
terminals and inspect terminals to ensure that they are
not damaged. Motor terminals are ceramic and, if
cracked, could create an electrical hazard when power
is restored.
38
5. Install motor terminal buss bars (5/6). Torque to 40 ft·lb.
Figure 41. Correct and incorrect motor terminal buss
Figure 34 and
Figure 42. Installed motor terminal buss bars; inset
Note: Motor terminal buss bars must be flush on motor
terminal connection points; refer to
bar installation
shows buss bars over original terminals
T2
T3
Figure 41.
T1
SO-SVN048A-EN