Prestige ACVMax Control Supplement

49
7.0 Cascade
DHW
P3P4 DHW
N G L
Master Prestige Boiler
Slave Prestige Boiler
CH
Slave Prestige Boiler
L G N L G N L G N L G N L G N L G N L G N
FLAME PUMP 4 PUMP 3
DHW PUMP
CH PUMP
POWER SUPPLY
ALARM
CH2
Thermostat
System
Sensor
Modulation
Signal
CH2
Thermosta
t
CH1
Thermostat
Outdoor
Sensor
DHW
Sensor or
Aquastat
Modbus
CH
L G N L G N L G N L G N L G N L G N L G N
FLAME PUMP 4 PUMP 3
DHW PUMP
CH PUMP
POWER SUPPLY
ALARM
CH2
Thermostat
S
ystem
S
ensor
M
odulation
S
ignal
C
H2
T
hermosta
t
CH1
Thermostat
O
utdoor
S
ensor
D
HW
S
ensor or
A
quastat
M
odbus
CH
L G N L G N L G N L G N L G N L G N L G N
F
LAME
P
UMP 4
P
UMP 3
D
HW PUMP
C
H PUMP
P
OWER SUPPLY
A
LARM
CH2
Thermostat
System
Sensor
Modulation
Signal
C
H2
T
hermosta
t
CH1
Thermostat
Outdoor
Sensor
D
HW
S
ensor or
A
quastat
M
odbus
Main Control Board Back of Display Panel
Back of Display Panel
Heating Call From
Zone Panel
Outdoor Sensor
DHW Sensor
System Sensor
Main Control Board
Cascade
Master
Cascade
Master
Cascade
Slave
Cascade
Slave
Fig. 26: Split Cascade Wiring
Note: Reference Fig. 25, page 48 for cascade piping.