VOGT ICE TUBE-ICE P-24A Service Manual page 61

P24A & P34A Service Manual
1M1 Motor Starter contactor #1
1M1OL Overload Relay #1
1M2 Motor Starter contactor #1
1M2OL Overload Relay #1
CB1 Circuit Breaker – 3 pole
FB1 Fuse Block #1
FB2 Fuse Block #2
R1 Relay
TB1 Terminal Block #1
TB2 Terminal Block #2
TR Delay Timer
DS1 CE panel - Highside Disconnect
(not shown)
12/17/12
FIGURE 6-4
Part Wind Start Compressor Motor Starter
Used to start compressor motor. Energizes first.
Provide over-current protection for one half of motor
Used to start compressor motor. Is energized approximately 1 second after
1M1 is energized.
Provides over-current protection for one half of motor
Provides short circuit protection and a disconnecting means to lowside
control panel. Supplies power to lowside unit.
Provides short circuit protection for one half of motor (3 fuses)
Provides short circuit protection for one half of motor (3 fuses)
Relay used to energize 1M2 contactor.
Note: R1 is a control relay used on machines where contactor 1M2 is too
large for TR to energize.
Main Power connection.
Secondary terminal block. Connections to Lowside panel.
Used to delay second motor starter (1M2). Timer either connected to R1
or 1M2 coil connection.
Used to disconnect power from panel when panel door opened.
TABLE 6-3
Description of Control Panel Parts
ELECTRICAL CONTROLS
6-5