31
7.0
Internal Wiring
6
5
4
3
2
1
X11
X13
Y
Y
Y
Y
Y
Y
Y
7
Y
Y
8
8
3
7
2
6
1
4
7
14
9
2
8
1
13
2
1
3
9
Y
Y
9
Y
Y
10
Y
Y
Y
Y
Y
Y
Y
Cascade
Slave
Cascade
Master
ACV MAX
Display
ACV MAX
Control Board
Flame
P4 Pump
P3 Pump
DHW Pump
CH Pump
Power Supply
Alarm
6
5
1
2
4
3
1
2
3
4
5
12
11
6
4
3
2
1
2
1
1
2
3
1
2
3
4
5
6
X15
X10
X12
P14
P13
X16
X1
X3
X2
X5
X6
X4
X7
W
W
W
W
W
W
W
6
5
4
3
2
1
W
W
W
W
W
BK
W
BK
W
BK
W
W
BK
W
BK
W
BK
R
BK
Prestige Solo Internal Wiring
Wire Legend
- Line Voltage
- Ingnition Cable
Wire Color Legend
BK – Black
W – White
GR – Green
BL – Blue
R – Red
O – Orange
V – Violet
Y – Yellow
BR – Brown
GY – Gray
1
2
3
1
2
1
2
3
4
1
2
3
4
5
6
F
00
GND
GND
Ig
nit
or
On / Off
Switch
Blower
Gas Valve
(Solo 80/110)
CH2
Thermostat
System
Sensor
Modulation
Signal
CH1
Thermostat
Outdoor
Sensor
Modbus
R
W
V
BK
1
2
4
5
Blower
Signal Terminals
Water Pressure
Sensor
BK
V
W
R
- Low Voltage
Flue Temperature Sensor
Return Temperature Sensor
Supply Temperature Sensor
R
R
BL
BL
Y
Y
4
3
2
1
2
1
W
O
O
BR
BR
3
2
1
6
5
4
9
8
7
12
11
10
15
14
13
18
17
16
21
20
19
GND
GND
GND
BK
W
L
G
N
L
G
N
L
G
N
L
G
N
L
G
N
L
G
N
L
G
N
BK
BK
BK
BK
BK
BK
W
W
W
W
W
W
W
BK
Auto Reset
Limit
Mix
Sensor
Manual Reset
Limit
BR
BR
O
O
BK
BK
BK
BK
1
2
3
6
5
4
3
2
1
7
8
9
10
5
6
X9
W
BK
W
5
Gas Valve
(Solo 155/175/250)
V1
V1
G
V2
V2
GND
Gas Valve
(Solo 299/399)
1
3
GND
4
3
2
1
1
2
3
2
1
GND
Blower
Power Terminals
W
BK
BK
DHW Sensor
or Aquastat
5
4
2
Fig. 20: Prestige Solo Boiler Factory Wiring