TriangleTube Smart Line Installation And Maintenance Manual page 23

Installation - Wiring
Fig. 20: Priority Zone Circulator Wiring
Note: Maximum of 4 total circulator
zone when wiring 1 zone for priority.
Water Heater
Thermostat Snap Set
2
C
1
T
Low Voltage
High Voltage
Priority Zone
Circulator
CIRC
ON
ON
PR1 LIVE NEUT
T
Honeywell
R845A
Circulator
T
Relay
120 VAC
H N
2
Circulator
Zone 1
T
2
T
2
21
Thermostat
zone 1
T
3
1 4 5 6
Thermostat
zone 2
T
1 4 3 5 6
Circulator
Zone 2
Thermostat
zone 3
T
3
1 4 5 6
Circulator
Zone 3
To Boiler 24 VAC
Thermostat Leads