Phase iii, Installation - wiring, Priority zone circulator wiring – TriangleTube TR Series User Manual
Page 22
Phase III
®
19
Installation - Wiring
T
T
1
4
3
5
6
Circulator
Zone 1
Thermostat
zone 1
Honeywell
R845A
Circulator
Relay
120
H
VAC
N
2
T
T
1
4
3
6
Circulator
Zone 2
Circulator
Zone 3
Thermostat
zone 2
Thermostat
zone 3
5
2
T
T
1
4
3
6
5
High Voltage
Low Voltage
To Boiler 24 VAC
Thermostat Leads
2
ON
PRIORITY
ZONING CIRCULA
T
OR
CIRC
ON
PR-IN PR-OUT LIVE NEUT
1
2
3
4
2
1
C
Water Heater
Thermostat Snap Set
Priority Zone
Circulator
Note: Maximum of 4 total circulator
zone when wiring 1 zone for priority.
Fig. 18:
Priority Zone Circulator Wiring
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