Dunkirk Q95M-200 Installation, Operation & Maintanance Manual page 33

wiring diagram 3: multizone system with zone valves and domestic hot water priority (with circulator)
Boiler Control Panel
CH T1
CH T2
DHW T1
DHW T2
A1
A2
Xvi - pipinG and wirinG appendiX
SWITCH LEGEND
ON
OFF
L
Yellow
24VAC
Yellow
X X
N
L
Black
LINE
IN
White
N
PRIMARY
120 VAC
PUMP
N L N L
AZ-4CP
L1
L2
CH C1
CH
CIRCULATOR
CH C2
DHW C1
DHW C2
N
120 VAC
L
TANK
CONTROL
ARGO AZ-4CP
CONTROL
T T
STATUS
PRIORITY ON
PRIMARY PUMP
PRIORITY PUMP
X-X CONTACT
ZR ON
ZC ON
PRIORITY
FROM BOILER
PUMP
N L ZR ZC
PRI ZONE
1 2 3 4
JUMPER
DWH
END
CIRCULATOR
SWITCH
MOTOR
1 2 3 4
4 WIRE ZONE
VALVE ONLY
33
INDIRECT WATER
HEATER AQUASTAT
OR THERMOSTAT
T-STAT T-STAT
T T T T T T
ON
ZONE VALVE/PUMP
PRIORITY
ZR-ZC
DPM-2
OPTION SWITCH
ZONE 2
ZONE 3 ZONE 4
1 2 3 4 1 2 3 4 1 2 3
1
2
3
DO NOT USE
END
MOTOR
SWITCH
4
Note: Install
wire jumper
between
terminals 3
and 4 when
using zone
valves
without an
end switch.