Contractor:
P.O.:
Engineer:
Project Name:
Unit Tag:
The manufacturer works continually to improve its products. As a result, the design and speci
fi
cations of each product at the time of order may be changed without notice. Purchaser’s approval of this data set signi
fi
es that the equipment is acceptable under the provisions
of the job speci
fi
cation. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties, but are merely the manufacturer’s opinion or commendation of its products. York and Af
fi
nity are registered
trademarks of Johnson Controls, Inc., and are used with permission.
Wiring Schematics cont.
Aurora Base with PSC
Transformer
24V
To P2 on
Electric Heat
Board
RV
CC
HP
Condensate
Black
Black
Blue
Blue
LP
T
Yellow
Yellow
FP1
Orange
Orange
RV
Black(15)
Violet
(14)
Green(11)
Brown(23)
NOTE 1
Black/White
Yellow
Red
208V
1
C
2
4
3
2
Black(21)
Black(22)
Black(20)
PB2
1
3
2
Blue
240V
Black
CC
T2
T1
Compressor
C
R
S
Blue
G
L1
L2
Black
208-230/60/1
Unit Power Supply
Violet(7)
Red
Tan(6)
Black(3)
Black(2)
Cap
Ext Pump
1/2 hp Total
208-230/60/1
Pump
G
1
2
PB1
1
2
Pump
Violet(8)
NOTE 2
Gray/White(4)
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 Coil Limit
Fault Recognition Delay – Low Water Coil Limit
Fault Recognition Delay – Condensate Overflow
Thermostat Call Recognition Time
Comfort Alert Recognition Time
Auxiliary Heat Staging Delay
Emergency Heat Staging Delay
Water Valve Slow Open 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
90 seconds
90 seconds
90 seconds
90 seconds
5 minutes
2 minutes
20 seconds
7.5 seconds
Aurora Timing Events
Black/White(5)
Ther
m
os
tat
R
C
Y1
O
DH
Y2
G
W
LO
Circuit Breaker
Circuit Breaker
Optional Internal
Hot Water Generation P ump
1
5A
5A
DHW
Pump
Blue
Hot Water
Limit Switch
130°F
Blue
1
2
3
Purple
Traditional
Thermostat
Communicating
Thermostat
AID Tool
Cabinet
HW Switch
NOTE 7
H M L
P3
PSC
Blower
Motor
Grn
Wht
Brn
Cap
3 Airflow
Settings
P11
2
3
4
5
1
Brown
Orange
Green
5
2
4
RB
Black
Black(1)
White
RB
White(12)
Black
(13)
NOTE 4
NOTE 6
Water Solenoid
(see Open Loop
Groundwater Systems
section)
UNIT
12
18
22
30
36
42
48
60
70
UNIT
22
30
36
42
48
M
M
H
M
M
H
M
M
M
M
HIGH STATIC PSC
FACTORY SET FAN SPEED
M
M
STANDARD PSC
M
M
CC2
Fa
ct
or
y
Fault
AL
G
AL
M
LS
ES
A
CC c
Status
AURORA BASE
CONTROL™
RV – K1
CC
2
CC – K2
CC Hi – K3
Fan – K4
Alarm – K5
Acc – K6
A
CC n
o
A
CC n
c
O/
B
C
R
LO
G
Y1
Y2
W
DH
3A-
Fus
e
O/
B
C
R
LO
G
Y1
Y2
W
DH
LO
G
HI
CCG
CC
FG
F
R
HP
HP
LP
FP2
FP2
FP1
REV
REV
CF
M
PW
M
ECM PWM
Fa
ct
or
y
Factory Fan Connection
R
R
CC
C
R
S
485
EH2
C
EH1
C
CO
(+)
(-)
R
C
RS
485 E
xp
Fa
ct
or
y
Com1
Com2
Config
G
G
G
Y
R
SW1 Test
FP1 – 15
o
F/30
o
F
JW2 - Alarm
P11
P5
P2
P1
P8
P7
P9
P6
P3
SW2
P13
P4
FP2 – 15
o
F/30
o
F
RV – B/O
ACC – Dip 4
ACC – Dip 5
CC – Dual/Single
L – Pulse/Continuous
Reheat/Normal
Fa
ct
or
y U
se
Field Connections
Field Connections
C
LP
FP1
F
CC
G
Y1
1
2
3
4
5
6
7
8
Off
On
N/A
R
S485 N
E
T
EH1
DESCRIPTION
SW2-4
SW2-5
Cycle with Blower
ON
ON
Cycle with Compressor
OFF
OFF
Water Valve Slow Opening
ON
OFF
Cycle with Comm. T-stat Hum Cmd
OFF
ON
ABC SW2 Accessory Relay
LED1
LED2
LED3
T
Black
FP2
Black
CFM
P13
P4
SW1
P5
JW
2
P9
LO
O/B
Y2
W
DH
P8
P7
RS485 NET
RS485 NET
P6
RS485 EXP
P3
SW2
On
Future Use
L Output Type
CC – Dual/Single
Acc – Dip 5
Acc – Dip 4
RV – B/O
FP2 – 15
°F/30°F
FP1 – 15
°F/30°F
Com1
LED5
Com2
LED5
Test Mode
F1-3A
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
-
+
C R
-
+
Off
Fault
LED1
R
Status
LED3
Config
LED2
CC2
CC
F
C
R
F FG CC CCGCC2
HI
CC2
LO
CC2
G
REVREVFP1 FP1 FP2 FP2 LPS LPSHPSHPS
Aurora Base Control
(ABC)
K1-
R
V
Rel
ay
K2
-CC Re
la
y
K3
-C
C2
R
ela
y
K4
-Fan R
ela
y
K5-Alarm
Relay
K6-Acc
Relay
F
R
C
CC
G
Y1
C
R
ES
LS
P2
EH1
Y
G
G
G
LED4
LED5
Traditional Thermostat
Dual Fuel Wiring Diagram
Using Field Installed Relay
Y1
Y2
O
R
C
L
C
R
Fos sil Fue l
Furnac e
The rmost at
24 VAC
Common
Common
24 VAC
Fault Signa l
Re vers ing Va lve
2nd St age Compres sor
1st Sta ge Compre ss or
Y1
Y2
O
R
C
LO
ABC Board
G
G
Fan
W
W
Auxil iary Hea t R ela y
Note 8: Fiel d i ns ta lled SPST dua l f ue l rel ay
(Re quired f or dual f uel i ns ta llat ion)
Auxil iary Hea t R ela y
P2
P1
Auxil iary
He at Rela y
ES
= cha ssis
Notes
4 - When connected the Auxiliary Heat powers blower and controls. Wires are secured at blower.
3 - Use manufacturer’s part number 19P592-01 (jumper bar assembly) when single source power is
required.
1 - Switch blue and red wires for 208V operation.
2 - The blk/wh and gray/wh wires are removed when Aux Heat is installed
6 - Refer to FAN SPEED table for factory settings.
7 - Wires provided for Auxiliary Heat low voltage control. Wires are secured at blower.
8 - Field installed SPST relay required for dual fuel installation.
5 – Low voltage wiring CLASS 2.
Green/Yellow
Affinity & Affinity Advanced Series
1 - 6 Tons 60Hz
SD2500AK6 11/22
50
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