Total Control; Total Control Electrical Control Panel; Figure 5-12 Total Control Key Pad/Display; Figure 5-13 Total Control Electrical Panel (Typical) - Carrier Transport Air Conditioning Installation Procedures Manual

5.6 TOTAL CONTROL

The Total Control system consists of a Key Pad Display
(Figure 5-12), an Electrical Control Panel, (Figure 5-13)
and inter connecting wiring. The Key Pad Display must
be located within easy reach of the vehicle operator.
12.
11.
10.
9.
8.
1. Display
2. Green LED, Cool Mode
3. Red LED, Heat Mode
Red LED, Flash, Alarm
4. ON Button
5. OFF Button
6. Increase Selection
7. SET Button
8. Decrease Selection
9. Fan Speed Button
10. Green LED, Inside Temperature
11. Green LED, Set Point
12. Total Control Mounting Assembly

Figure 5-12 Total Control Key Pad/Display

5.6.1 Total Control Electrical Control Panel

The key pad/display is wired to the Total Control
electronic control panel (lFigure 5-13). The panel
contains relays, circuit
microprocessor used for system control. It must be
1.
2.
3.
4.
5.
7. 6.
breakers, and the
located in an area that is protected from heat, moisture
and road hazards.
Care must be taken when routing the return air sensor
(thermistor) cable and the cab command cable. Both
these cables can be damaged easily if pulled across
rough or sharp areas of the bus chassis or A/C system.
5. 6. 7.
4.

Figure 5-13 Total Control Electrical Panel (Typical)

1. Logic Module (Speed Control)
2. Fuse (5 Amp
3. Circuit Breaker (Condenser)
4. Circuit Breaker (High Speed)
5. Clutch relay
6. Relay Filter - PWM (Pulse Width Modulation)
7. Condenser Relay
8. High Speed Relay
A completely wired Gen 5 dual system total
control is shown in Figure 5-14. Notice that the
system control panels are labeled front and
rear. They can also be labeled left or right if side
mounted evaporators are used. A easily remov-
able cover was also fabricated for this installa-
tion.
5--5
8.
1.
3.
2.
NOTE
T--311