York YAFT026, Installation Manual

Page: 54 / 78

54
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 Pump
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
Fac
tor
y
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 n
o
ACC 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
CFM
PWM
ECM PWM
Fac
tor
y
Factory Fan Connection
R R
C
C
C
RS
485
EH2
C
EH1
C
CO
(+)
(-)
R
C
RS
485 E
xp
Fac
tor
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
Fac
tor
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
RS
485 N
ET
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
JW2
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-
RV
Rel
ay
K2
-C
C R
el
ay
K3
-C
C2
R
elay
K4
-Fa
n R
elay
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 rmostat
24 VAC
Common Common
24 VAC
Fault Signa l
Re vers ing Va lve
2nd Stage 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 fue l rel ay
(Re quired for dual fuel i ns ta llation)
Auxil iary Hea t R ela y
P2
P1
Auxil iary
He at Rela y
ES
= chassis
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 SINGLE & DUAL CAPACITY SERIES INSTALLATION MANUAL