ACV Prestige ACVMax - Page 49

45
7.0 Cascade
P
3
P
4
D
HW
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
C
H
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
T
hermostat
System
Sensor
Modulation
Signal
CH2
T
hermosta
t
CH1
T
hermostat
Outdoor
Sensor
DHW
S
ensor or
A
quastat
M
odbus
C
H
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
T
hermosta
t
CH1
Thermostat
Outdoor
Sensor
DHW
S
ensor or
A
quastat
M
odbus
Main Control Board Back of Display Panel
Back of Display Panel
ZV-2
End Switch
ZV-1
End Switch
Outdoor Sensor
DHW Sensor
System Sensor
C
ascade
M
aster
Cascade
Master
Cascade
Slave
Cascade
Slave
Main Control Board
Fig. 21: Primary Secondary Cascade Wiring
Note: Reference Fig. 21, page 44 for cascade piping.
2015-10 Prestige ACVMax Control Sup 12-14-15_ACVMax_Control 12/15/15 7:37 AM Page 45