Dunkirk DCBF-125 - 125 F Zone Valves, DHW Tank W;T-Stat - Wiring Diagram

15
100F, 125F ZONE VALVES, DHW TANK W/T-STAT - WIRING DIAGRAM
ZONE 1
LINE
24V
Vac
L
C
R
115 Vac
NL
1
N
115
COM
Vac
ZRZC
NL
3
NL
2
115 Vac
N
L
1
L
N
ZONE CIRCULATORS
XXXXX
32
1
X
NEC Class 2 Low Voltage
ZONE 3ZONE 2
ZONE 1
W
R
NEC Class 2 Low Voltage
T
T
C
THERMOSTATS
ZONE VALVES
ZONE 3ZONE 2
43214321432
1
NEC Class 2 Low Voltage (24Vac)
W
R
T
T
C
W
R
T
T
C
PRI PUMP ZC/ZR
DIGITAL LCD USER DISPLAY
Fuse
ZONE MODULE
TO EXPANSION
Transformer
PTC
12A 250V
Domestic Hot
115 Vac FIELD SUPPLIED
POWER PER NEC
AND LOCAL CODES
Water Tank
PRIMARY
PUMP
ZONE
THERMOSTATS
ZONE VALVES
VANNES DE ZONE
4 Wire Valve 3 Wire Valve
12 34 12 3
w/T-Stat
12345678910
VAC
24
M2
G
*
100F & 125F WITH ZONE VALVES,
DHW
TANK , & TANK T-STAT, ARGO UZ3 ZONE CONTROL
UZ3
Reference zone control manufacturer instructions for details on setting priority if necessary.
If adding an indirect tank with Thermostat to a Heating Only Boiler, change P03 from 08 to 04. See Section 9, Parameter Settings in Boiler Installation, Operation & Maintenance Manual for details.
PN 240012875 REV. B [07/01/2021]