39
External Wiring
DHW Aquastat
Outdoor Sensor
Zone
#
2
Zone Valve
End Switch
Zone #
1
Zone Valve
End Switch
DC1
H
C1
120V/15A
Service
C21
S
mart Tank
Snap Set
C
H1
T-stat
5
Low voltage terminal strip
C
ascade
S
lave
CH2
T-stat
Outdoor
S
ensor
DHW
S
tat/Sens
Manual
R
eset/lmt
Auto
R
eset/lmt
Modulation
Signal
+
-
System
S
ensor
Cascade
Master
Modbus
A B G
C
H2 / Sys
Pump
L G N
Aux Boiler
Pump
L G N
D
HW Pump /
D
ivert Valve
L
G N
C
H1 Pump
D
iverter Valve
L
G N
P
ower
Supply
L G N
A
larm
Contact
Line voltage terminal strip
1 2 34 6 7 8 910111213141516171819202122 232425262728293031323334353637383940
Fig. 25: Prestige Wiring - Multiple Zone Valve with Single System/Boiler Circulator
DHW Aquastat
Outdoor Sensor
Room Thermostat
DC1
HC1
120V/15A
Service
C21
Smart Tank
Snap Set
CH1
T-stat
5
Low voltage terminal strip
Cascade
Slave
CH2
T-stat
Outdoor
Sensor
DHW
Stat/Sens
Manual
Reset/lmt
Auto
Reset/lmt
Modulation
Signal
+ -
System
Sensor
Cascade
Master
Modbus
A B G
CH2 / Sys
Pump
L G N
Aux Boiler
Pump
L G N
DHW Pump /
Divert Valve
L G N
CH1 Pump
Diverter Valve
L G N
Power
Supply
L G N
Alarm
Contact
Line voltage terminal strip
1 2 34 6 7 8 910111213141516171819202122 232425262728293031323334353637383940
68
Fig. 26: Prestige Wiring - Single Zone System with Single System/Boiler Circulator
Note: Reference Fig. 11, page 22 for
System Piping.
Note: Reference Fig. 12, page 22 for
System Piping.