Xvi - pipinG and wirinG appendiX
120V AC
L2 N
L1 (HOT)
BOILER CIRC (WILL RUN FOR ALL CH
AND DHW CALLS FOR HEAT)
ELEC
TR
ONIC FUSE
VAC
CIR
CUIT ON
L2
120
NO
4
NC
4
6 TO 7 INCH LBS
TORQUE TERMINAL
SCREWS
AR822-TT
TT
T
T
R W
24V
C
AR822-II
5 6
NO
6
NC
Boiler Control Panel
DHW C1
DHW C2
CH C2
L2
ARM-4P
L1
CH C1
PRIORITY
CONTROL WITH
AIR SENSOR
OUTDOOR
A2
CH T2
DHW T1
DHW T2
A1
CH T1
DHW CIRC
NORMALY OPEN
115 V COIL / ISOLATION RELAY
L
CIRC 2
SWITCH
ISOLATED
X X
ZR
ZC
L
1
N
ZONE 1
CIRC 4
CIRC 3
ZONE 4
ZONE 4
ZONE 3
ZONE 2
N
2
L
N
3
L
ZONE 3
ZONE 2
120 VAC
4
N
L
N
PRIORITY ON
INDIRECT HOT WATER HEATER
AQUASTAT OR THERMOSTAT
W
T-STAT
DATA PORT
X-X
ZR-ZC
W
T
PRIORITY
T
1
ZONE
T
R
ZONE 4
THERMOSTATS
ZONE 3
T
ZONE 2
2
W
T
R
3
T
T
W
R
TO EXTRA
ZONE MODULE
T
4
R
@ 1VA
24 VAC
COMMON
T-STAT
T-STAT
15 VA
2.7K
SILKSCREEN
1.2K
L1 & L2 TO ARM L &
N ON PRIORITY ZONE
ELEC
TR
ONIC FUSE
VAC
CIR
CUIT ON
120
L2
NO
4
NC
4
SCREWS
TORQUE TERMINAL
6 TO 7 INCH LBS
AR822-TT
TT
T
T
R W
24V
C 5 6
NO
6
NC
TERMINAL 5 & 6 N.O.
TO DHW T1 & DHW T2
NOTE: IN PLACE OF 115
VOLT ISOLATION RELAY,
OPTIONAL CONTROL
ARGO AR822II
wiring diagram 5 : primary/secondary wiring with circulators and domestic hot water
37
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