External wiring, Fig. 20: typical zone relay panel wiring, Fig. 21: storage tank recirculation wiring – Delta F-25 User Manual
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External Wiring
Thermostat
Zone 1
Zone 1
Circulator
120V
N
ELITE
"Room Thermostat"
Snap-Set
Zone 2
Circulator
Zone 3
Circulator
Thermostat
Zone 2
Thermostat
Zone 3
R
C
T1 T1
T2
T2
T3 T3
C3
C3
C2
C2
C1
C1
PR
PR
X2
X1
L1
L2 ZC
H
C
1
Fig. 20: Typical Zone Relay Panel Wiring
T
T
Bronze
Circulator
Storage Tank
Thermostat
Honeywell
R845A
Relay
H
120
VAC
6
2
1
4
3
5
T
T
N
Fig. 21: Storage Tank Recirculation Wiring