TriangleTube Smart Line Installation And Maintenance Manual page 22

Installation - Wiring
Fig. 18: Typical Circulator Zoning
with Domestic Priority
Honeywell
R845A
Relay
T
120 VAC
H
N
2
T
2
Water Heater C
Thermostat
Snap-Set
T
2
Priority Relay
Thermostat
zone 1
T
1 4 3 5 6
Circulator
Zone 1
Thermostat
zone 2
T
3
1 4 5 6
Circulator
Zone 2
1
2
T
4 3 5 6
1
Water
Heater
Circulator
Boiler
Thermostat
Terminals
Fig. 19: Typical Circulator Zoning
without Domestic Priority
Honeywell
R845A
Relay
120 VAC
H
N
Circulator
Zone 1
Water Heater
Thermostat
Snap-Set
High Voltage
Low Voltage
20
Thermostat
zone 1
T T
1 4 3 5 6
2
Thermostat
zone 2
T T
3
2 1 4 5 6
Circulator
Zone 2
C
1
2
T T
4 3 5 6
2 1
Water
Heater
Circulator
Boiler
Thermostat
Terminals