26
ASTON COMPACT INSTALLATION MANUAL
Wiring Schematics
Aurora Control 460/60/3 Variable Speed ECM
97P818-08 3/19/12
Thermistor
Relay Coil
Switch - Condensate Overflow
Switch - High pressure
Switch - Low pressure
Polarized connector
Factory Low Voltage Wiring
Factory Line Voltage Wiring
Field Low Voltage Wiring
Field Line Voltage Wiring
Optional Block
DC Voltage PCB Traces
Internal Junction
Quick Connect Terminal
Field Wiring Lug
Ground
Relay Contacts – N.O., N.C.
Field Zone Sensor Wiring
Legend
L1
Capacitor
T
1
2
3
CC – Compressor Contactor
CO – Condensate Overflow Sensor
ES – Emergency Shutdown
HP – High Pressure Switch
LP – Low Pressure Switch
FD – Freeze Detection Sensor
F1 – Fuse
Fuse
Light Emitting Diode - Green
G
Light Emitting Diode - Yellow
Y
Light Emitting Diode - Red
R
SW1 – Push button
SW2 – DIP package 8 position
RB – Blower Relay
RV – Reversing Valve Coil
PGM – Phase Guard Monitor
RH – Reheat Valve Coil
Slow Flash
Fast Flash
Flash Code
Status LED (LED1, Green)
Configuration LED (LED2, Yellow)
Fault LED (LED3, Red)
Status LED (LED1, Green)
Normal Mode
Control is Non-Functional
Test Mode
Lockout Active
Dehumidification Mode
Reserved
Reserved
Load Shed
ESD
1 second on and 1 second off
Random Start Delay
Fast Flash
OFF
ON
Slow Flash
Fast Flash
Flash Code 2
Flash Code 3
Flash Code 6
Flash Code 4
Flash Code 5
Aurora LED Flash Codes
100 milliseconds on and 100 milliseconds off
100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating
Reserved
Flash Code 7
Configuration LED (LED2, Yellow)
Fault LED (LED3, Red)
Fast Flash
Fast Flash
No Software Overide
Flash ECM Setting
DIP Switch Overide
Slow Flash
Normal Mode
Input Fault Lockout
High Pressure Lockout
Low Pressure Lockout
Low Water Coil Limit Lockout - FP1
Low Air Coil Limit Lockout - FP2
Reserved
Condensate Overflow Lockout
Over/Under Voltage Shutdown
Reserved
Reserved
Air/Water Coil Limit Sensor Error
Flash Code 1
OFF
Flash Code 2
Flash Code 3
Flash Code 4
Flash Code 5
Flash Code 8
Flash Code 6
Flash Code 7
Flash Code 9
Flash Code 10
Flash Code 11
ECM Configure Mode
Fast Flash
Reset Configure Mode
Off
Accessory Relay
Cycle with Blower
Cycle with Compressor
Water Valve Slow Open
Outdoor Air Damper
SW2-4 SW2-5
On
On
Off
Off
On
Off
Off
On
Operation
Event
Normal Mode
Test Mode
Random Start Delay
Compressor On Delay
Compressor Minimum On Time
Compressor Short Cycle Delay
Blower Off Delay
Fault Recognition Delay – High Pressure
Start-Up Bypass – Low Pressure
Fault Recognition Delay – Low Pressure
Start-Up Bypass – Low Water/Air Coil Limit
Fault Recognition Delay – Low Water/Air Coil Limit
Fault Recognition Delay – Condensate Overflow
Thermostat Call Recognition Time
Auxiliary Heat Staging Delay
Emergency Heat Staging Delay
Less than 1 second
5 to 80 seconds
1 second
5 seconds
< 1 second
30 seconds
2 seconds
Less than 1 second
2 minutes
5 seconds
4 minutes
15 seconds
2 minutes
2 minutes
30 seconds
30 seconds
30 seconds
30 seconds
30 seconds
30 seconds
30 seconds
30 seconds
2 seconds
2 seconds
5 minutes
2 minutes
20 seconds
7.5 seconds
Aurora Timing Events
Reheat Delay
30 seconds
30 seconds
Water Valve Slow Open Delay
90 seconds
90 seconds
P13
P4
P12
24V
CC
SW1
P5
JW2
P9
ES
LS
LO
O/B
Y2
W
DH
P2
P8
P7
RS485 NET
RS485 NET
P6
RS485 EXP
P3
SW2
On
Reheat/Normal
L – Pulse/Continuous
CC – Dual/Single
Acc – Dip 2
Acc – Dip 1
RV – B/O
FP2 – 15
°F/30°F
FP1 – 15
°F/30°F
LED4
LED5
F1
P1
C
PWM
1
2
3
4
5
6
7
8
ALM
ALG
ACC COM
ACC NO
ACC NC
R
C
G
Y1
EH2
C
EH1
C
CO
C
R A- B+
C
R A- B+
Off
Fault
R
Status
G
Config
Y
DH W Y2 Y1 G O/B C
R LO
R
F FG CC CCG
CC2
HI
CC2
LO
CC2
G
REVREV FP1 FP1 FP2 FP2 LPS LPS HPSHPS
Aurora Base Control
(ABC)
K1
K2
K3
K4
K5
K6
N/A
CFM
F
R
C
CC
G
Y1
C
R
1 – Optional, factory installed unit mounted disconnect.
2 – Optional, factory installed internal isolation valve.
3 – Optional, factory installed phase guard
4 – Optional, factory installed phase guard. The yellow
transformer wire shall be connected directly to the CPU
board, if this option is not installed.
Notes
Transformer
Blue
460V
Black
Yellow
C
Y-OUT
Y
PGM
Yellow (91)
Black/White (92)
Note 4
Black/White
Yellow
Black/White
24V
Variable Speed
ECM
Blower Motor
P12
P11
2
3
4
5
1
1 3
12 15 10
PWM
C1
C2
R
G
16
CFM
Green
Violet (42)
Blue (24)
Yellow (25)
Green/Yellow (28)
Brown
Orange
2
1
3
Isolation
Valve
Red
(51)
Green
(50)
White
(52)
Note 2
Note 2
Red (53)
RH
Gray (60)
Gray
(61)
Compressor
T1
T2
T3
L2
L3
CC
T2
T3
L1
T1
Note 1
Disconnect
Neutral
Ground
L1
L1
L2
L2
L3
L3
Green (93)
Yellow
Red
Black
L1 L2 L3
Phase
Guard
Monitor
(PGM)
Note 3
Black (7)
White (8)
Red (9)
Unit Power Supply
460/60/3 w/Neutral
G
N
L1
L2
L3
PB3
Black (95)
Yellow (96)
Red (97)
Gray (94)
Brown
Orange
Red (56)
Blue (55)
Black (54)
Red (56)
Blue (55)
Black (54)
CC
Resistor
Violet (14)
Black (15)
Orange (01)
Orange (02)
Condensate
Brown (23)
Green
RV
HP
LP
T
FD
RV
Blue (07)
Blue (08)
Black (09)
Black (10)
Yellow
Yellow
UltraTech
Dual
Capacity
Units Only
RCP
CS
Blue(16)
Blue(18)
Summary of Contents for Aston Compact Series
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