Dunkirk Q95M-200 Installation, Operation & Maintanance Manual page 35

wiring diagram 4: multizone system with circulators and domestic hot water priority
NOTE: IN PLACE OF 115
VOLT ISOLATION RELAY,
OPTIONAL CONTROL
ARGO AR822II
TERMINAL 5 & 6 N.O.
TO DHW T1 & DHW T2
AR822-TT
L1 & L2 TO ARM L &
N ON PRIORITY ZONE
Xvi - pipinG and wirinG appendiX
Hotline indirect water heater
aquastat or thermostat
TORQUE TERMINAL
SCREWS
6 TO 7 INCH LBS
T T
24V
NO NC
R W C 5 6 6
L2 4 4
NO NC
120
VAC
Boiler Control Panel
CH T1
CH T2
DHW T1
DHW T2
A1
A2
OUTDOOR
AIR SENSOR
L2 N
120V AC
L1 (HOT)
DATA PORT
X-X
ZR-ZC
ARM-4P
CONTROL WITH
PRIORITY
X X
ISOLATED
ZC ZR
SWITCH
115 V COIL / ISOLATION RELAY
NORMALY OPEN
L1
L2
CH C1
CH C2
DHW C1
DHW C2
DHW CIRC
35
T-STAT
T-STAT
T-STAT
THERMOSTATS
PRIORITY
ZONE 2 ZONE 3 ZONE 4
ZONE
1 2 3 4
T T T T T T T
W R W R W R W
ZONE 1 ZONE 2 ZONE 3 ZONE 4
1 2 3 4
L N L N L N L
ZONE 2 ZONE 3 ZONE 4
CIRC 2
CIRC 3
CIRC 4
COMMON
T
R
24 VAC
@ 1VA
TO EXTRA
ZONE MODULE
PRIORITY ON
L N
N
120 VAC