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 Advanced with 5-Speed ECM cont.
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
TAP-2
TAP-3
TAP-4
TAP-5
BLUE
RED
GRAY
RED
GRAY
RED
GRAY
RED
GRAY
RED
GRAY
RED
GRAY
RED
GRAY
TAP-2
TAP-3
TAP-4
TAP-5
RED
TAN
GRAY
RED
TAN
GRAY
RED
TAN
GRAY
RED
TAN
GRAY
RED
TAN
GRAY
LOW VOLTAGE CONNECTIONS DUAL CAPACITY
R LOW VOLTAGE CONNECTIONS SINGLE SPEED
SW1-4
SW1-5 DESCRIPTION
ON
ON
Cycles with Blower
OFF
ON
Cycles with CC first stage compressor or compressor spd 1-12
ON
OFF
Cycles with CC2 second stage of compressor or comp spd 7-12
OFF
OFF
Cycles with DH from ABC board
AXB Accessory 2 DIP Settings
Communicating Thermostat
Dual Fuel Wiring Diagram
Using Field Installed Relay
24VDC
R f rom Foss il
Fue l Furnac e
To Foss il Fuel
Furnac e W input
EH1
C
ABC
Board
Note 11 : 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)
Tra ditional 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 11 : 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
CC2
EH1
Fa
ct
ory
Fault
AL
G
AL
M
LS
ES
ACC c
Status
AURORA BASE
CONTROL™
RV – K1
CC
2
CC – K2
CC Hi – K3
Fan – K4
Alarm – K5
Acc – K6
ACC n
o
ACC n
c
O/
B
C
R
LO
G
Y1
Y2
W
DH
3A
-F
us
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
ory
Factory Fan Connection
R
R
CC
C
RS
485
EH2
C
EH1
C
CO
(+)
(-)
R
C
RS
485 E
xp
Fa
ct
ory
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
ory
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
RS
485 N
ET
HA
2
HA
1
HO
M
E
SM
AR
T
GR
ID
AXB P4
WATER
SIREN
HOME AUTOMATION ACCESSORIES
NO
COM
K6 Relay
Connects to L2
and NO on
AXB Board
L2
Figure 1:
Optional Internal
Hot Water
Generation Pump
Wiring Schematic
DHW
Pump
Blue
Blue
Cabinet
HW
Switch
3
2
1
Purple
Affinity & Affinity Advanced Series
1 - 6 Tons 60Hz
SD2500AK6 11/22
49
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