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47
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
SW1-4
SW1-5 DESCRIPTION
ON
ON
Cycles with Blower
OFF
ON
Cycles with CC
Į
rst 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 Se
ƫ
ngs
Communicating Thermostat
Dual Fuel Wiring Diagram
Using Field Installed Relay
24VDC
R from Fossil
Fuel Furnace
To Fossil Fuel
Furnace W input
EH1
C
ABC
Board
Note 11: Field installed SPST dual fuel relay
(Required for dual fuel installation)
Traditional Thermostat
Dual Fuel Wiring Diagram
Using Field Installed Relay
Y1
Y2
O
R
C
L
C
R
Fossil Fuel
Furnace
Thermostat
24 VAC
Common
Common
24 VAC
Fault Signal
Reversing Valve
2nd Stage Compressor
1st Stage Compressor
Y1
Y2
O
R
C
LO
ABC Board
G
G
Fan
W
W
Auxiliary Heat Relay
Note 11: Field installed SPST dual fuel relay
(Required for dual fuel installation)
Auxiliary Heat Relay
P2
P1
Auxiliary
Heat Relay
ES
= chassis
CC2
EH1
Factory
Fault
ALG
ALM
LS
ES
ACC c
Status
AURORA BASE
CONTROL™
RV – K1
CC2
CC – K2
CC Hi – K3
Fan – K4
Alarm – K5
Acc – K6
ACC no
ACC nc
O/B
C
R
LO
G
Y1
Y2
W
DH
3A-Fuse
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
CFM
PWM
ECM PWM
Factory
Factory Fan Connection
R
R
CC
C
C
R
(-)
(+)
RS 485
EH2
C
EH1
C
CO
(+)
(-)
R
C
RS485 Exp
Factory
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
Factory Use
Field Connections
Field Connections
C
LP
FP1
F
CC
G
Y1
1
2
3
4
5
6
7
8
Off
On
N/A
RS485 NET
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
VS
GND
24 VAC
0-10DC
1
2
3
R
C
ABC BOARD
AXB BOARD
MODULATING VALVE
1
2
10 – Variable speed pump power wires to connect the pump to L1 and L2 on the AXB board
are provided with Variable Speed Flow Center.
Notes
1 - Switch blue and red wires for 208V operation.
2 - The blk/wh and gray/wh wires are removed when Aux Heat is installed
12 - Refer to units 5 SPEED ECM MOTOR LOW VOLTAGE CONNECTION table for
factory settings.
5 - Y2 input wire Tan not connected on Single Speed units. Wire is secured at blower.
6 - Wires provided for Auxiliary Heat low voltage control. Wires are secured at blower.
7 – Brown blower power wire routed through Current Transducer two times.
8 – Field Connected: Refer to Installation Manual and Auxiliary Heat Instructions for
Current Transducer installation.
3 – When Auxiliary Heat is field installed the harness will be connected to the auxiliary
heat unit. The auxiliary heat unit will then power the blower. Refer to EAS/EAM/EAL
Auxiliary Heat kit installation instructions. Wires are secured at blower
9 – Variable speed pump low voltage harness provided with Variable Speed Flow Center.
11 - Field installed SPST relay required for dual fuel installation.
4 – Low voltage wiring CLASS 2.
AFFINITY & AFFINITY ADVANCED SINGLE & DUAL CAPACITY SERIES INSTALLATION MANUAL