Wiring Schematics - York LX Series Installation Manual

LX SERIES INSTALLATION MANUAL

Wiring Schematics

Aurora BASE with 5-Speed ECM
Ext Pump
1/2 hp Total
208-230/60/1 PB1
1
1
1
Pump Pump
2
2
G
Hot Water
Blue
Limit Switch
130°F
DHW
Pump
Cabinet
HW Switch
Blue
3
2
1
Op onal Internal
Hot Water Genera on P ump
Water Solenoid
(see Open Loop
Groundwater Systems
sec on)
LO
R
C
O
G
Y1
Y2
Traditional
W
Thermostat
DH
AID Tool
Communicating
Thermostat
Violet(7)
Blue
Violet(8)
Cap
Circuit Breaker Tan(6) Tan(6)
5A
Black(2)
5A
Black(3)
Circuit Breaker
Unit Power Supply
208-230/60/1
G
Purple
Gray(30)
Tan(31)
CC2
EH1 CC C
F
P2
ES
LS
ALM
K5-Alarm
ALG
Relay
ACC COM
ACC NO
K6-Acc
ACC NC Relay
LO
R
C
O/B
G
Y1
Y2
W
DH
P1
Com2
LED5
RS485 NET
R
C
P8
Green(11)
Green/Yellow
Compr essor
S C
Black
R
Black
Red
T2 T1
CC
NOTE 2
L2 L1
Black/White(5)
Gray/White(4)
NOTE 1
Red(32)
Blue(33)
Black(35)
Dual Capacity
Units Only
Ultra Tech
CS
RCP
Black(15)
Violet(14)
Blue(16)
Blue(18)
CC2 CC2 CC2
P9
P5
R F FG CC CCG
HI LO G
Aurora Base Control
(ABC)
Com1
LED5
G
G
RS485 NET RS485 EXP
C R - + C R - + CO
P7 P6
Bro wn(23)
Condensate
28
Notes
1 - Switch blue a nd red wires for 208V operation.
2 - The blk/wh and gray/wh wi re s are removed when Aux He at is installed
3 - Refer to units X13 MOTOR LOW VOLTAGE CONNECTION table for factory setti ngs.
4 - Wires p rovided fo r Auxi liary Heat low voltage control. When connected the Auxil iary Heat
powers blower and controls. Wires a re secured at blower.
5 - Fi eld i nstalled SPST relay required for dual fuel instal lati on.
6 – All low voltage wi ri ng CLASS 2
7 – Use copper o r aluminum conductors
Green
Bro wn
2
Orange
1
3
PB2
NOTE 3
Black
Blue
240V
Red
208V
Tra nsformer
Yellow
24V
Black/White
470
RV FP1 LP HP
Resistor
Black
Orange Yellow
Blue Black
Yellow
Blue Black
Orange Black
P4
REVREV FP1 FP1 FP2 FP2 LPS LPS HPSHPS
C
R
F1-3A
F
PWM
Status CFM
SW1
LED3
G
Test Mode
C
Faul t
LED1
P13
R
Off
FP1 – 15°F/30°F
FP2 – 15°F/30°F
RV – B/O
Acc – Dip 4
Acc – Dip 5
CC – Dual/Single
L Output Type
Future Use
SW2
Config
LED2
Y
Y1 G CC
C EH1 C EH2
P3
NOTE 4
Black(21)
Black(22)
Black(20)
5 Speed ECM
Blower Motor
5 4 3 2 1 C
On
1
2
3
4
5
6
7
8
To P2 on
Electric Heat
Board