Smart 40 Indirect Water Heater Manual

Installation - Wiring
19
T
T
1
4
3
5
6
Circulator
Zone 1
T
hermostat
z
one 1
H
oneywell
R845A
C
irculator
Relay
1
20
H
VAC
N
2
T
T
1
4
3
6
Circulator
Zone 2
Circulator
Zone 3
T
hermostat
z
one 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 CIRCULATOR
CIRC
ON
PR1
LIVE
NEUT
TT
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. 20:
P
riority Zone Circulator Wiring
661A0300 - Rev B
Smart manual_Smart manual 10/29/14 10:00 AM Page 21