Cascade Wiring; Modbus Wiring; Fig. 19 - Typical Zone Panel Wiring To Prestige With Zone Valves - TriangleTube PRESTIGE Excellence 110 Installation & Maintenance Manual

CHAPTER 8 - EXTERNAL WIRING

8.13. Cascade Wiring

The ACVMax control includes the ability to operate up
to six Prestige Solo boilers together as one without the
need for external controllers. Consult the PRESTIGE
ACVMax Control Supplement for more information.

8.14. Modbus Wiring

The ACVMax control includes the ability to communi-
cate with building management systems (BMS) through
a Modbus interface. Consult the PRESTIGE ACVMax
Control Supplement for more information.
Heat Call
CH1
CH2
DHW
Low Voltage Terminals
CH2 System Modulation
Thermostat Sensor Signal
- +
6 5 4 3 2
X5
34
PRESET PUMP CONFIGURATION 2
Pump 4
OFF
ON
OFF
External Limit
Terminals
Manual
CH1 Outdoor DHW Modbus
CH2
Thermostat Sensor Sensor or
Thermosta
Aquastat + G -
t
1 4 3 2 1 2 1 3 2 1
X6 X4 X7
PLUG-IN
CARDS
1 2 3 4
POWER
CONTROLS
SLAVE
EXPANSION
MODE
MASTER
RESET NORMAL
ZONE 1
N/O COM N/C
ENDSW ENDSW
1 2 3 4
B A
ZONE 4 RELAY
PUMP BOILER
1
2
3
4
Zone 1
Zone Valve
System
Circulator

Fig. 19 - Typical Zone Panel Wiring to PRESTIGE with Zone Valves

Modbus communication will only occur if the external
device is properly wired to the PRESTIGE Excellence as
follows:
X7-1 = RS-485 –
X7-2 = RS-485 Ground
X7-3 = RS-485 +
ACV-Triangle Tube has building management sys-
tem (BMS) gateways available to convert Modbus
to most BMS protocols including BACnet® MS/TP,
BACnet® /IP, Metasys® N2, and LonWorks®. Con-
tact ACV-Triangle Tube for more information
Pump 3 DHW Pump
ON
OFF
OFF
Mix Sensor
Line Voltage Terminals
Terminals
Auto
L G N L G N L G N
FLAME PUMP 4 PUMP 3
Zone 1 Zone 2 Zone 3
Thermostat Thermostat Thermostat
68 68 68
T T T T T T
ZONE 1 ZONE 2 ZONE 3
FOUR ZONE ZONE VALVE CONTROL WITH OPTIONAL PRIORITY
ZONE 2 ZONE 3 ZONE 4
1 2 3 4 1 2 3 4 1 2
1 1
2 2
3 3
4 4
Zone 2 Zone 3
Zone Valve Zone Valve
NOTICE
CH Pump
ON ON
ON ON
OFF ON
L G N L G N L G N L G N
CH PUMP ALARM
DHW PUMP
POWER SUPPLY
Internal 120V/15A
Circulator Service
ZONE 4
PRIORITY
T T
ON
ZONE 4
OFF
3 4