Figure 16: Pca Wiring Schematic For Chillers With No Pump Or Reservoir - AEC PCA SERIES Operation And Installation Manual

Figure 16: PCA Wiring Schematic for Chillers with No Pump or Reservoir

Remote
Earth
interlock
ground
by others
Control
power
ON/OFF
Jumper
1FU 1FU
1S-1LT
1 1 X1
1S
1 3
"No Flow"
2LT
R
1FLS 1FLS
4
6 7 8 9 10
Jumper 1CNTL
1 2 3 4 5
(+) (-)
YEL RED
Type K thermocouple
PCA Series Chillers
1L2 1L1
230V
1T 1T
115V
"Low Refrig
Pres"
3LT
R
1PS 1PS
5 5
1C
1L1
1L2
2
"High Refrig
Pres"
4LT
R
2PS
6 7
Legend
Customer wiring/Customer-supplied components
Optional components
1T1
Compressor
1MTR
1T2
2T1
Fan
2MTR
2T2
Subpanel
ground
2
1S-1LT
G G "Power On"
Condensing unit
1C
contactor
5LT
G G "Compressor On"
2
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