Accessory List

SR201/301/601 Series
218
© Copyright 2006 TAC. All Rights Reserved. F-27382-1
Figure 2 Typical Wiring SR301 - 24 VAC High Limit and Gas Valve.
Figure 3 Typical Wiring SR201, SR301, and SR601 - Domestic Hot Water Priority.
72
T3
Zone 3
T-Stat
T3
72
RC
Zone 1
T-Stat
Optional for
3-wire
Thermostats
T1 T1
SR301
72
T2
K1 K2 K3
Zone 2
T-Stat
T2
Zone
3
Circ.
C3 C3
Zone
2
Circ.
K2
C2 C2
Zone
1
Circ.
C1
Bypass
Enable
C1
Pri-
ority
Pri-
ority
X1L2 L1
L1
L2
Hot
Com
120 VAC
X2
ZR
CP
ZC
BURNER
K1 K1
120/24 Volt
Transformer
High Limit
72
T3
Zone 3
T-Stat
T3R C T1 T1
SR301
72
T2
K1 K2 K3
Zone 2
T-Stat
T2
Zone
3
Circ.
C3 C3
Zone
2
Circ.
K2
C2 C2
Zone
1
Circ.
C1
Bypass
Enable
C1
Pri-
ority
Pri-
ority
X1L2 L1
L1
L2
Hot
Com
120 VAC
X2
ZR
CP
ZC
K1 K1
Reposition
or Remove
Jumper
Boiler Operating
Control
2
1
DHW Controller must provide dry contacts.
For Priority Plus, place Bypass/Enable jumper
on Enable.
1
2
Domestic Hot Water
Controller