ACV Prestige ACVMax - Page 53

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
A
quastat
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
C
H 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
F
LAME
P
UMP 4
P
UMP 3
D
HW PUMP
CH 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
M
ain Control Board
Cascade
M
aster
Cascade
Master
Cascade
Slave
Cascade
Slave
Fig. 26: Split Cascade Wiring
Note: Reference Fig. 25, page 48 for cascade piping.
2015-10 Prestige ACVMax Control Sup 12-14-15_ACVMax_Control 12/15/15 7:37 AM Page 49