York YAWS018 - 075 Installation Manual page 20

Geothermal heat pumps
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AFFINITY SINGLE STAGE HYDRONIC INSTALLATION MANUAL
Wiring Schematics cont.
Aurora Advanced Control - 208-230/60/1
Load Pump
G
208-230/60/1
Pump
Ext Pump
Pump
Pump
1/2 hp Total
208-230/60/1
G
REFRIGERATION
MONITORING
PRESSURE
TRANSDUCER
GND
1
Black
OUT
2
White
5DC
3
Red
Brown
T
Brown
Gray
T
Gray
Field Installed Flow Meter
GND
3
3
Green
OUT
2
2
White
5DC
4
4
Brown
Purple
T
Purple
White
T
White
PERFORMANCE
MONITORING
NOTE 8
Pump Slave
Input/Output
Future Use
Smart Grid
Home
Automation
Notes
1 - Switch blue and red wires for 208V operation.
2 – HydroZone controller is an optional field installed accessory.
3 – Reversing Valve wires not installed on heating only option
4 – FP2 is replaced with a resistor on heating only option
5 – Move black/white(3) wire when HydroZone is not used for pump control to
LPR-NC and CC-T1
6 – When Geothermal Storage Tank is wired directly to the Aurora Board
7 – Low voltage wiring is Class 2
8 – Flow Meter is sent with unit, but needs to be field installed outside the unit.
9 – HydroStat communicating controller is an optional field installed accessory.
1
Violet/White (8)
1
5A Circuit Breaker
PB1
2
2
Violet/White (9)
5A Circuit Breaker
1
Orange (12)
1
PB2
2
2
Brown (13)
Status
G
AXB™
(Aurora Expansion Board)
OFF
Modbus Add. ID
Future Use
Future Use
Acc 2 – Dip 4
Acc 2 – Dip 5
SW1
Black/White (1)
LPR
NC
Black/White (2)
COM
NO
Violet (7)
Violet (6)
White
Not Used
White
Black
Accessory 2 Output
Black
Orange
Orange
Blue
Capacitor
CT
Blue
Red
Compressor
Common CT
Red
Black
Auxiliary
Heat CT
Black
Brown
Brown
Load
Pump CT
REFRIGERATION
ON
1
MONITORING
2
Black
1
GND
3
White
2
OUT
4
Red
3
5DC
5
Blue
T
Blue
Pink
Pink
T
HOT WATER
OPTION
20
S
Blue
Black/White (3)
Capacitor
Red
Tan(10)
Capacitor
CT
T2
L2
Black (4)
Black (5)
NOTE 5
LPR
NC
Black/White (3)
COM
NO
CC-T1
NOTE 6
R
Aurora
Board
Y1
Geothermal Tank
Thermostat
NOTE 2
HZC
C4
C3
C2
C1
A+
B+
GND
O/B
HydroZone
OAT
TS
Controller
GND
Compressor
C
Black
R
Compressor
Common CT
T1
CC
L1
Black
Blue
240V
V
P
C
R
L
LPR
24 VDC

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