AAON RN-140 - Manual (Page 92)

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4. On/Off LED = Alt. G/R Flashing
Phase Loss LED = Green
5. On/Off LED = Green
Phase Loss LED = Green
Powering up with no voltage present:
1. On/Off LED = Alternating Green/Red
Phase Loss LED = Out
Going into trip condition after operating
conditions were good:
1. On/Off LED = Green
Phase Loss LED = Green
2. On/Off LED = Green Flashing
Phase Loss LED = Red
3. On/Off LED = Red
Phase Loss LED = Red
Going to good condition from trip condition
- automatic reset:
1. On/Off LED = Red
Phase Loss LED = Red
2. On/Off LED = Alt. G/R Flashing
Phase Loss LED = Green
3. On/Off LED = Green
Phase Loss LED = Green
Going to good condition from trip condition
- manual reset:
1. On/Off LED = Red
Phase Loss LED = Red
2. On/Off LED = Alt. G/R Flashing
Phase Loss LED = Green
3. Manual Reset button is pressed
4. On/Off LED = Green
Phase Loss LED = Green
Variable Capacity Compressor
Controller
Units with variable capacity scroll
compressors may include the following
compressor controller. The following is an
explanation of the terminals and
troubleshooting alert flash codes of the controller. For more information on the
compressor controller, see Emerson Climate
Bulletin AE8-1328.
Figure 49 - Variable Capacity Compressor
Controller
Low Voltage Terminals
24COM
Module Common
24VAC Module Power
C1 & C2 Demand Input – & +
P1 Pressure Common
P2 Pressure Input
P3 Pressure Power 5VDC
P4 Pressure Shield
P5 & P6 Pressure Output – & +
T1 & T2 Discharge Temperature Sensor
High Voltage Terminals
A1 & A2
Alarm Relay Out
M1 & M2 Contractor
L1 Control Voltage N
L2 Control Voltage L
U1 & U2 Digital Unloader Solenoid
V1 & V2 Vapor Injection Solenoid
The compressor controller modulates the
compressor unloader solenoid in an on/off
To avoid damaging the Compressor
Controller do not connect wires to
terminals C3, C4, T3, T4, T5, or T6.
WARNING