TriangleTube Delta - Page 37

31
External Wiring
Thermostat
Z
one 1
Zone 1
Circulator
120V
N
To
MODULATING DELTA
Low Voltage
Terminal Strip
Zone 2
Circulator
Zone 3
Circulator
Thermostat
Zone 2
Thermostat
Zone 3
R
C
T1 T1 T2T2T3 T3
C3
C3
C2C2C1C1PRPR
X2X1L1L2ZC
H
7
8
Fig. 17: Typical Zone Relay Panel Wiring
T
T
Bronze
Circulator
Storage Tank
Thermostat
Honeywell
R845A
Relay
120
H
VA C
N
6
2
1
4
3
5
TT
Fig. 18: Storage Tank Recirculation Wiring