28
Wiring Schematics
Aurora Base Control 208-230/60/1 PSC with GeoStart
P13
P4
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
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
REV REV FP1 FP1 FP2 FP2 LPS LPS HPS HPS
Aurora Base Control
(ABC)
K1
K2
K3
K4
K5
K6
N/A
CFM
F
R
C
CC
G
Y1
C
R
Transformer
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
1 – Optional, factory installed unit mounted disconnect.
2 – Swap blue and red leads for 208V operation.
3 – Optional, factory installed internal isolation valve.
Notes:
Condensate
Brown (23)
Black/White
Green
Yellow
Black/White
Yellow
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
Fuse
SW1 – Push button
SW2 – DIP package 8 position
RB – Blower Relay
RV – Reversing Valve Coil
2
1
3
Isolation
Valve
Red
(51)
Green
(50)
White
(52)
Note 3
Note 3
Red
(53
)
Light Emitting Diode - Green
G
Light Emitting Diode - Yellow
Y
Light Emitting Diode - Red
R
97P817-02 11/08/10
L1
L2
CC
T1
T2
H
M
L
P3
PSC
Blower
Motor
Grn
Wht
Brn
Cap
3 Airflow
Settings
Black
White
Black
Blue
230V
Black
Red
208V
Note 2
1
3
RB
Note 1
Black (95)
Red (97)
Disconnect
Neutral
Ground
L1
L1
L2
L2
L3
L3
Unit Power Supply
208-230/60/1
G
Green (93)
Compressor
Cap
C
R
S
Black
Tan
Red
Blue
Soft Start
Run Winding
Active
Start Winding
Common Winding
Red
Pink
Pink
Blue
Black
Black
Blue
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
24V
RB
CC
Resistor
White
(12
)
Black
(13
)
Violet
(14
)
Black (15)
Oran
ge
(01
)
Oran
ge
(02
)
RV
HP
LP
T
FD
RV
Blue
(07
)
Blue
(08
)
Black (09)
Black (10)
Yellow
Yellow
LED4
LED5
G
G
LX ULTRA SERIES INSTALLATION MANUAL
