AERCO SWDW68 U-Tube Double-Wall Heaters w/ECS - Manual (Page 77)

HE-
111 − CORRECTIVE MAINTENANCE
Rev B Mar 2013
8-23
NOTE:
SEE APPENDIX C FOR
WIRING CONNECTIONS
VIEW C - C
INTERIOR BACK WALL
9
TERMINAL
BLOCK TB-1
17
16
16
7
AC POWER
TERMINAL
BLOCK TB-2
REAR
INTERIOR BOTTOM SURFACE
VIEW D - D
8
VOLTAGE
REGULATOR
INPUT/OUTPUT
CONNECTOR
TB-2
21 22
14
20
15
16
17
19
18
Figure 8-12c. ECS Control Box Assembly Component Locations