1 2
CH1
Thermostat
3 4
CH2
Thermostat
5 6
Outdoor
Sensor
7 8
DHW
Aquastat
or Sensor
9 10
Manual
Reset
Limit
11 1 2
Auto
Reset
Limit
13 1 4
+ -
Modulation
Signal
15 16
System
Sensor
17 1 8 19
Cascade
Master
20 2 1 22
A B G
Modbus
25
L G N
CH2 Pump /
System Pump
23 24
37
L G N
Power Supply
35 36 40
Alarm
38 39
Cascade
Slave
31*
L G N
DHW Pump /
*Diverter Valve
29* 30
Circulator Terminals
28
L G N
Auxiliary
Boiler Pump
26 27
Circulator factory
wired on Prestige
Solo 110 only.
14
7
11
4
2
8
12
5
13
6
5
1
6
5
4
3
2
1
G
N
L
X00
X01
X11
X13
X14
X02
X15
TriMax
Control
Module
On / Off
Switch
6
5
4
3
2
1
3
2
9
10
5
4
1
6
8
7
6
3
1
4
1
8
7
3
2
9
X03
X04
X07
X05
X01
TriMax
Display
Module
5
4
3
X06
2
9
4
8
3
7
2
10
5
7
1
2
6
8
3
2
1
3
2
5
6
3
4
Flue Temperature Sensor
Supply Temperature Sensor
Return Temperature Sensor
LWCO
BK
BK
BK
BK
BK BK BK BK W W V V BR BR O O BL BL R R W W W BR Y GY BK BK BK BK BK RW W W W W R
W
W
W
W
W
W
W
W
V
V
BR
BR
O
O
BL
BL
R
R
W
W
W
BR
Y
GY
Y
Y
Y
Y
Y
Y
R
R
BK
BK
BK
R
BL
W
BK
W
BK
W
BK
W
BK
W
BK
W
O
BL
BL
R
R
Y
Y
W
BK
W
BK
Y
Y
Y
Y
Y
Y
O
1
2
4
5
3
2
1
Blower
Power Terminals
Blower
Blower
Signal Terminals
GND
5
Gas Valve
(All except Solo 399)
V1
V1
G
V2
V2
GND
Gas Valve
(Solo 399 only)
1
3
GND
F00
GND
GND
Ignitor
Notes:
1. If any of the original wire supplied with the appliance must be replaced, it must be replaced with the same
type or its equivalent.
2. All 120 VAC field wiring to the boiler shall have a minimum size of 14 AWG with a temperature rating of at
least 194° F [90°C].
Wire Legend
- Low Voltage
- Line Voltage
- Ignition Cable
Wire Color Legend
BK – Black
W – White
GR – Green
BL – Blue
R – Red
O – Orange
V – Violet
Y – Yellow
BR – Brown
GY - Gray
Prestige Solo Internal Wiring
34
L G N
CH (1) Pump /
*Diverter Valve
32* 33
Fig. 19: Prestige Solo Boiler Factory Wiring
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