ACV Prestige ACVMax - Page 51

47
7.0 Cascade
P
3
D
HW
N G L
Master Prestige Boiler
Slave Prestige Boiler
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
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
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
CH2
T
hermosta
t
CH1
Thermostat
O
utdoor
S
ensor
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
F
LAME
P
UMP 4
P
UMP 3
DHW PUMP
C
H PUMP
P
OWER SUPPLY
A
LARM
CH2
Thermostat
S
ystem
S
ensor
M
odulation
S
ignal
CH2
Thermosta
t
CH1
Thermostat
O
utdoor
S
ensor
DHW
Sensor or
Aquastat
Modbus
Main Control Board Back of Display Panel
Back of Display Panel
Heating Call
From Zone Panel
Outdoor Sensor
DHW Sensor
System Sensor
C
ascade
Master
Cascade
Master
Cascade
Slave
Cascade
Slave
Main Control Board
Fig. 24: Reverse Return Cascade Wiring
Note: Reference Fig. 23, page 46 for cascade piping.
2015-10 Prestige ACVMax Control Sup 12-14-15_ACVMax_Control 12/15/15 7:37 AM Page 47