User's Manual

Initial Power Up – continued
PRELIMINARY
1X SCt4812ET Lite BTS Optimization/ATP
08/01/2001
2-18
Core
Heat Exchanger
Assembly
Blower
Power
Cord
Bottom (Ambient) Blower
Fan Module
T–30 Screw
Mounting
Bracket
Figure 2-10: Heat Exchanger Blower Assembly and Circuit
Breakers
DC PDA
Mounting
Bracket
T–30 Screw
Top (Internal) Blower
Fan Module
Blower
Power
Cord
OUT=OFF
IN=ON
Heat Exchanger
Blower Assembly
Circuit Breaker
Side View
SC4812ETL0016–3
LPA
1B 1D 3B 3D
1A 1C 3A 3C PS1 PS2
ETIB
OPTIONS
25 25
HEAT EXCHANGER
CAUTION
SHUT OFF BOTH BREAKERS
ONLY DURING HEAT EXCHANGER
MAINTENANCE OR REPAIR
LPA
BLOWERS
PUSH BUTTON
TO RESET
LPA BLOWERS
MAIN BREAKER
300
50 5010 1530 30 30 30 15
PILOT
BEACON
2